tests for readonly repositories

CoreUnitTests/Infrastructure/Model/TestDocument.cs

@@ -25,6 +25,8 @@ public class TestDocument : Document
 
     public int GroupingKey { get; set; }
 
+    public Guid OtherGroupingKey { get; set; }
+
     public Nested Nested { get; set; }
 
     public List<Child> Children { get; set; }

CoreUnitTests/Infrastructure/Model/TestDocumentWithKey.cs

@@ -22,6 +22,8 @@ public class TestDocumentWithKey<TKey> : IDocument<TKey>
 
     public int SomeValue { get; set; }
 
+    public int SomeDecimalValue { get; set; }
+
     public string SomeContent { get; set; }
     public string SomeContent2 { get; set; }
     public string SomeContent3 { get; set; }
@@ -31,4 +33,4 @@ public class TestDocumentWithKey<TKey> : IDocument<TKey>
     public Nested Nested { get; set; }
 
     public List<Child> Children { get; set; }
-}
+}

CoreUnitTests/Infrastructure/TestReadOnlyMongoRepository.cs

@@ -0,0 +1,29 @@
+using System;
+using MongoDB.Driver;
+using MongoDbGenericRepository;
+using MongoDbGenericRepository.DataAccess.Read;
+
+namespace CoreUnitTests.Infrastructure;
+
+public class TestReadOnlyMongoRepository : ReadOnlyMongoRepository
+{
+    /// <inheritdoc />
+    public TestReadOnlyMongoRepository(string connectionString, string databaseName = null)
+        : base(connectionString, databaseName)
+    {
+    }
+
+    /// <inheritdoc />
+    public TestReadOnlyMongoRepository(IMongoDatabase mongoDatabase)
+        : base(mongoDatabase)
+    {
+    }
+
+    /// <inheritdoc />
+    public TestReadOnlyMongoRepository(IMongoDbContext mongoDbContext)
+        : base(mongoDbContext)
+    {
+    }
+
+    public void SetReader(IMongoDbReader reader) => MongoDbReader = reader;
+}

CoreUnitTests/Infrastructure/TestReadOnlyMongoRepositoryContext.cs

@@ -0,0 +1,49 @@
+using System;
+using AutoFixture;
+using AutoFixture.AutoMoq;
+using MongoDB.Driver;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+
+namespace CoreUnitTests.Infrastructure;
+
+public class TestReadOnlyMongoRepositoryContext
+{
+    private readonly Mock<IMongoDatabase> mongoDatabase;
+
+    private TestReadOnlyMongoRepository sut;
+
+    protected TestReadOnlyMongoRepositoryContext()
+    {
+        mongoDatabase = new Mock<IMongoDatabase>();
+        Fixture = new Fixture().Customize(new AutoMoqCustomization());
+    }
+
+    protected IFixture Fixture { get; set; }
+
+    protected TestReadOnlyMongoRepository Sut
+    {
+        get
+        {
+            if (sut != null)
+            {
+                return sut;
+            }
+
+            sut = Fixture.Create<TestReadOnlyMongoRepository>();
+
+            if (Reader != null)
+            {
+                sut.SetReader(Reader.Object);
+            }
+
+            return sut;
+        }
+    }
+
+    protected Mock<IMongoDbReader> Reader { get; set; }
+
+    protected Mock<T> MockOf<T>()
+        where T : class =>
+        Fixture.Freeze<Mock<T>>();
+}

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/AnyAsyncTests.cs

@@ -12,9 +12,9 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class AnyAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class AnyAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
-    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> filter = document => document.SomeContent == "SomeContent";
 
     [Fact]
     public async Task WithFilter_GetsResult()
@@ -28,7 +28,7 @@ public class AnyAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().BeTrue();
         Reader.Verify(
-            x => x.AnyAsync<TestDocument, Guid>(filter, null, CancellationToken.None),
+            x => x.AnyAsync<TestDocumentWithKey<int>, int>(filter, null, CancellationToken.None),
             Times.Once);
     }
 
@@ -46,7 +46,7 @@ public class AnyAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().BeTrue();
         Reader.Verify(
-            x => x.AnyAsync<TestDocument, Guid>(filter, null, token),
+            x => x.AnyAsync<TestDocumentWithKey<int>, int>(filter, null, token),
             Times.Once);
     }
 
@@ -64,7 +64,7 @@ public class AnyAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().BeTrue();
         Reader.Verify(
-            x => x.AnyAsync<TestDocument, Guid>(filter, partitionKey, CancellationToken.None),
+            x => x.AnyAsync<TestDocumentWithKey<int>, int>(filter, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -83,7 +83,7 @@ public class AnyAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().BeTrue();
         Reader.Verify(
-            x => x.AnyAsync<TestDocument, Guid>(filter, partitionKey, token),
+            x => x.AnyAsync<TestDocumentWithKey<int>, int>(filter, partitionKey, token),
             Times.Once);
     }
 
@@ -92,8 +92,8 @@ public class AnyAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.AnyAsync<TestDocument, Guid>(
+                x => x.AnyAsync<TestDocumentWithKey<int>, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .ReturnsAsync(true);

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/AnyTests.cs

@@ -11,9 +11,9 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class AnyTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class AnyTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
-    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> filter = document => document.SomeContent == "SomeContent";
 
     [Fact]
     public void WithFilter_GetsResult()
@@ -27,7 +27,7 @@ public class AnyTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().BeTrue();
         Reader.Verify(
-            x => x.Any<TestDocument, Guid>(filter, null, CancellationToken.None),
+            x => x.Any<TestDocumentWithKey<int>, int>(filter, null, CancellationToken.None),
             Times.Once);
     }
 
@@ -45,7 +45,7 @@ public class AnyTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().BeTrue();
         Reader.Verify(
-            x => x.Any<TestDocument, Guid>(filter, null, token),
+            x => x.Any<TestDocumentWithKey<int>, int>(filter, null, token),
             Times.Once);
     }
 
@@ -63,7 +63,7 @@ public class AnyTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().BeTrue();
         Reader.Verify(
-            x => x.Any<TestDocument, Guid>(filter, partitionKey, CancellationToken.None),
+            x => x.Any<TestDocumentWithKey<int>, int>(filter, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -82,7 +82,7 @@ public class AnyTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().BeTrue();
         Reader.Verify(
-            x => x.Any<TestDocument, Guid>(filter, partitionKey, token),
+            x => x.Any<TestDocumentWithKey<int>, int>(filter, partitionKey, token),
             Times.Once);
     }
 
@@ -91,8 +91,8 @@ public class AnyTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.Any<TestDocument, Guid>(
+                x => x.Any<TestDocumentWithKey<int>, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .Returns(true);

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/CountAsyncTests.cs

@@ -14,9 +14,9 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class CountAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class CountAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
-    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> filter = document => document.SomeContent == "SomeContent";
 
     [Fact]
     public async Task WithFilter_GetsOne()
@@ -32,7 +32,7 @@ public class CountAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(count);
         Reader.Verify(
-            x => x.CountAsync<TestDocument, Guid>(filter, null, CancellationToken.None),
+            x => x.CountAsync<TestDocumentWithKey<int>, int>(filter, null, CancellationToken.None),
             Times.Once);
     }
 
@@ -51,7 +51,7 @@ public class CountAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(count);
         Reader.Verify(
-            x => x.CountAsync<TestDocument, Guid>(filter, null, token),
+            x => x.CountAsync<TestDocumentWithKey<int>, int>(filter, null, token),
             Times.Once);
     }
 
@@ -70,7 +70,7 @@ public class CountAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(count);
         Reader.Verify(
-            x => x.CountAsync<TestDocument, Guid>(filter, partitionKey, CancellationToken.None),
+            x => x.CountAsync<TestDocumentWithKey<int>, int>(filter, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -90,7 +90,7 @@ public class CountAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(count);
         Reader.Verify(
-            x => x.CountAsync<TestDocument, Guid>(filter, partitionKey, token),
+            x => x.CountAsync<TestDocumentWithKey<int>, int>(filter, partitionKey, token),
             Times.Once);
     }
 
@@ -99,8 +99,8 @@ public class CountAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.CountAsync<TestDocument, Guid>(
+                x => x.CountAsync<TestDocumentWithKey<int>, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .ReturnsAsync(count);

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/CountTests.cs

@@ -11,9 +11,9 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class CountTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class CountTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
-    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> filter = document => document.SomeContent == "SomeContent";
 
     [Fact]
     public void WithFilter_GetsOne()
@@ -29,7 +29,7 @@ public class CountTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(count);
         Reader.Verify(
-            x => x.Count<TestDocument, Guid>(filter, null, CancellationToken.None),
+            x => x.Count<TestDocumentWithKey<int>, int>(filter, null, CancellationToken.None),
             Times.Once);
     }
 
@@ -48,7 +48,7 @@ public class CountTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(count);
         Reader.Verify(
-            x => x.Count<TestDocument, Guid>(filter, null, token),
+            x => x.Count<TestDocumentWithKey<int>, int>(filter, null, token),
             Times.Once);
     }
 
@@ -67,7 +67,7 @@ public class CountTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(count);
         Reader.Verify(
-            x => x.Count<TestDocument, Guid>(filter, partitionKey, CancellationToken.None),
+            x => x.Count<TestDocumentWithKey<int>, int>(filter, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -87,7 +87,7 @@ public class CountTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(count);
         Reader.Verify(
-            x => x.Count<TestDocument, Guid>(filter, partitionKey, token),
+            x => x.Count<TestDocumentWithKey<int>, int>(filter, partitionKey, token),
             Times.Once);
     }
 
@@ -96,8 +96,8 @@ public class CountTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.Count<TestDocument, Guid>(
+                x => x.Count<TestDocumentWithKey<int>, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .Returns(count);

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetAllAsyncTests.cs

@@ -14,15 +14,15 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class GetAllAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class GetAllAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
-    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> filter = document => document.SomeContent == "SomeContent";
 
     [Fact]
     public async Task WithFilter_GetsOne()
     {
         // Arrange
-        var document = Fixture.CreateMany<TestDocument>().ToList();
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
 
         SetupReader(document);
 
@@ -33,7 +33,7 @@ public class GetAllAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetAllAsync<TestDocument, Guid>(filter, null, CancellationToken.None),
+            x => x.GetAllAsync<TestDocumentWithKey<int>, int>(filter, null, CancellationToken.None),
             Times.Once);
     }
 
@@ -41,7 +41,7 @@ public class GetAllAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public async Task WithFilterAndCancellationToken_GetsOne()
     {
         // Arrange
-        var document = Fixture.CreateMany<TestDocument>().ToList();
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
         var token = new CancellationToken(true);
 
         SetupReader(document);
@@ -53,7 +53,7 @@ public class GetAllAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetAllAsync<TestDocument, Guid>(filter, null, token),
+            x => x.GetAllAsync<TestDocumentWithKey<int>, int>(filter, null, token),
             Times.Once);
     }
 
@@ -61,7 +61,7 @@ public class GetAllAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public async Task WithFilterAndPartitionKey_GetsOne()
     {
         // Arrange
-        var document = Fixture.CreateMany<TestDocument>().ToList();
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
         var partitionKey = Fixture.Create<string>();
 
         SetupReader(document);
@@ -73,7 +73,7 @@ public class GetAllAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetAllAsync<TestDocument, Guid>(filter, partitionKey, CancellationToken.None),
+            x => x.GetAllAsync<TestDocumentWithKey<int>, int>(filter, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -81,7 +81,7 @@ public class GetAllAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public async Task WithFilterAndPartitionKeyAndCancellationToken_GetsOne()
     {
         // Arrange
-        var document = Fixture.CreateMany<TestDocument>().ToList();
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
         var partitionKey = Fixture.Create<string>();
         var token = new CancellationToken(true);
 
@@ -94,17 +94,17 @@ public class GetAllAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetAllAsync<TestDocument, Guid>(filter, partitionKey, token),
+            x => x.GetAllAsync<TestDocumentWithKey<int>, int>(filter, partitionKey, token),
             Times.Once);
     }
 
-    private void SetupReader(List<TestDocument> documents)
+    private void SetupReader(List<TestDocumentWithKey<int>> documents)
     {
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.GetAllAsync<TestDocument, Guid>(
+                x => x.GetAllAsync<TestDocumentWithKey<int>, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .ReturnsAsync(documents);

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetAllTests.cs

@@ -13,15 +13,15 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class GetAllTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class GetAllTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
-    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> filter = document => document.SomeContent == "SomeContent";
 
     [Fact]
     public void WithFilter_GetsOne()
     {
         // Arrange
-        var document = Fixture.CreateMany<TestDocument>().ToList();
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
 
         SetupReader(document);
 
@@ -32,7 +32,7 @@ public class GetAllTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetAll<TestDocument, Guid>(filter, null, CancellationToken.None),
+            x => x.GetAll<TestDocumentWithKey<int>, int>(filter, null, CancellationToken.None),
             Times.Once);
     }
 
@@ -40,7 +40,7 @@ public class GetAllTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public void WithFilterAndCancellationToken_GetsOne()
     {
         // Arrange
-        var document = Fixture.CreateMany<TestDocument>().ToList();
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
         var token = new CancellationToken(true);
 
         SetupReader(document);
@@ -52,7 +52,7 @@ public class GetAllTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetAll<TestDocument, Guid>(filter, null, token),
+            x => x.GetAll<TestDocumentWithKey<int>, int>(filter, null, token),
             Times.Once);
     }
 
@@ -60,7 +60,7 @@ public class GetAllTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public void WithFilterAndPartitionKey_GetsOne()
     {
         // Arrange
-        var document = Fixture.CreateMany<TestDocument>().ToList();
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
         var partitionKey = Fixture.Create<string>();
 
         SetupReader(document);
@@ -72,7 +72,7 @@ public class GetAllTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetAll<TestDocument, Guid>(filter, partitionKey, CancellationToken.None),
+            x => x.GetAll<TestDocumentWithKey<int>, int>(filter, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -80,7 +80,7 @@ public class GetAllTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public void WithFilterAndPartitionKeyAndCancellationToken_GetsOne()
     {
         // Arrange
-        var document = Fixture.CreateMany<TestDocument>().ToList();
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
         var partitionKey = Fixture.Create<string>();
         var token = new CancellationToken(true);
 
@@ -93,17 +93,17 @@ public class GetAllTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetAll<TestDocument, Guid>(filter, partitionKey, token),
+            x => x.GetAll<TestDocumentWithKey<int>, int>(filter, partitionKey, token),
             Times.Once);
     }
 
-    private void SetupReader(List<TestDocument> documents)
+    private void SetupReader(List<TestDocumentWithKey<int>> documents)
     {
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.GetAll<TestDocument, Guid>(
+                x => x.GetAll<TestDocumentWithKey<int>, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .Returns(documents);

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetByIdAsyncTests.cs

@@ -1,6 +1,3 @@
-using System;
-using System.Linq;
-using System.Linq.Expressions;
 using System.Threading;
 using System.Threading.Tasks;
 using AutoFixture;
@@ -13,24 +10,24 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class GetByIdAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class GetByIdAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
     [Fact]
     public async Task WithId_Gets()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
 
         SetupReader(document);
 
         // Act
-        var result = await Sut.GetByIdAsync<TestDocument>(document.Id);
+        var result = await Sut.GetByIdAsync<TestDocumentWithKey<int>>(document.Id);
 
         // Assert
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetByIdAsync<TestDocument, Guid>(document.Id, null, CancellationToken.None),
+            x => x.GetByIdAsync<TestDocumentWithKey<int>, int>(document.Id, null, CancellationToken.None),
             Times.Once);
     }
 
@@ -38,19 +35,19 @@ public class GetByIdAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public async Task WithIdAndCancellationToken_Gets()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var token = new CancellationToken(true);
 
         SetupReader(document);
 
         // Act
-        var result = await Sut.GetByIdAsync<TestDocument>(document.Id, token);
+        var result = await Sut.GetByIdAsync<TestDocumentWithKey<int>>(document.Id, token);
 
         // Assert
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetByIdAsync<TestDocument, Guid>(document.Id, null, token),
+            x => x.GetByIdAsync<TestDocumentWithKey<int>, int>(document.Id, null, token),
             Times.Once);
     }
 
@@ -58,19 +55,19 @@ public class GetByIdAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public async Task WithIdAndPartitionKey_Gets()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var partitionKey = Fixture.Create<string>();
 
         SetupReader(document);
 
         // Act
-        var result = await Sut.GetByIdAsync<TestDocument>(document.Id, partitionKey);
+        var result = await Sut.GetByIdAsync<TestDocumentWithKey<int>>(document.Id, partitionKey);
 
         // Assert
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetByIdAsync<TestDocument, Guid>(document.Id, partitionKey, CancellationToken.None),
+            x => x.GetByIdAsync<TestDocumentWithKey<int>, int>(document.Id, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -78,30 +75,30 @@ public class GetByIdAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public async Task WithIdAndPartitionKeyAndCancellationToken_Gets()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var partitionKey = Fixture.Create<string>();
         var token = new CancellationToken(true);
 
         SetupReader(document);
 
         // Act
-        var result = await Sut.GetByIdAsync<TestDocument>(document.Id, partitionKey, token);
+        var result = await Sut.GetByIdAsync<TestDocumentWithKey<int>>(document.Id, partitionKey, token);
 
         // Assert
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetByIdAsync<TestDocument, Guid>(document.Id, partitionKey, token),
+            x => x.GetByIdAsync<TestDocumentWithKey<int>, int>(document.Id, partitionKey, token),
             Times.Once);
     }
 
-    private void SetupReader(TestDocument document)
+    private void SetupReader(TestDocumentWithKey<int> document)
     {
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.GetByIdAsync<TestDocument, Guid>(
+                x => x.GetByIdAsync<TestDocumentWithKey<int>, int>(
-                    It.IsAny<Guid>(),
+                    It.IsAny<int>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .ReturnsAsync(document);

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetByIdTests.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Linq;
-using System.Linq.Expressions;
 using System.Threading;
-using System.Threading.Tasks;
 using AutoFixture;
 using CoreUnitTests.Infrastructure;
 using CoreUnitTests.Infrastructure.Model;
@@ -13,24 +9,24 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class GetByIdTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class GetByIdTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
     [Fact]
     public void WithId_Gets()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
 
         SetupReader(document);
 
         // Act
-        var result = Sut.GetById<TestDocument>(document.Id);
+        var result = Sut.GetById<TestDocumentWithKey<int>>(document.Id);
 
         // Assert
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetById<TestDocument, Guid>(document.Id, null, CancellationToken.None),
+            x => x.GetById<TestDocumentWithKey<int>, int>(document.Id, null, CancellationToken.None),
             Times.Once);
     }
 
@@ -38,19 +34,19 @@ public class GetByIdTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public void WithIdAndCancellationToken_Gets()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var token = new CancellationToken(true);
 
         SetupReader(document);
 
         // Act
-        var result = Sut.GetById<TestDocument>(document.Id, token);
+        var result = Sut.GetById<TestDocumentWithKey<int>>(document.Id, token);
 
         // Assert
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetById<TestDocument, Guid>(document.Id, null, token),
+            x => x.GetById<TestDocumentWithKey<int>, int>(document.Id, null, token),
             Times.Once);
     }
 
@@ -58,19 +54,19 @@ public class GetByIdTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public void WithIdAndPartitionKey_Gets()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var partitionKey = Fixture.Create<string>();
 
         SetupReader(document);
 
         // Act
-        var result = Sut.GetById<TestDocument>(document.Id, partitionKey);
+        var result = Sut.GetById<TestDocumentWithKey<int>>(document.Id, partitionKey);
 
         // Assert
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetById<TestDocument, Guid>(document.Id, partitionKey, CancellationToken.None),
+            x => x.GetById<TestDocumentWithKey<int>, int>(document.Id, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -78,30 +74,30 @@ public class GetByIdTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public void WithIdAndPartitionKeyAndCancellationToken_Gets()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var partitionKey = Fixture.Create<string>();
         var token = new CancellationToken(true);
 
         SetupReader(document);
 
         // Act
-        var result = Sut.GetById<TestDocument>(document.Id, partitionKey, token);
+        var result = Sut.GetById<TestDocumentWithKey<int>>(document.Id, partitionKey, token);
 
         // Assert
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetById<TestDocument, Guid>(document.Id, partitionKey, token),
+            x => x.GetById<TestDocumentWithKey<int>, int>(document.Id, partitionKey, token),
             Times.Once);
     }
 
-    private void SetupReader(TestDocument document)
+    private void SetupReader(TestDocumentWithKey<int> document)
     {
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.GetById<TestDocument, Guid>(
+                x => x.GetById<TestDocumentWithKey<int>, int>(
-                    It.IsAny<Guid>(),
+                    It.IsAny<int>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .Returns(document);

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetByMaxAsyncTests.cs

@@ -12,16 +12,16 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class GetByMaxAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class GetByMaxAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
-    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> filter = document => document.SomeContent == "SomeContent";
-    private readonly Expression<Func<TestDocument, object>> selector = document => document.SomeValue;
+    private readonly Expression<Func<TestDocumentWithKey<int>, object>> selector = document => document.SomeValue;
 
     [Fact]
     public async Task WithFilterAndSelector_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
 
         SetupReader(document);
 
@@ -32,7 +32,7 @@ public class GetByMaxAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetByMaxAsync<TestDocument, Guid>(filter, selector, null, CancellationToken.None),
+            x => x.GetByMaxAsync<TestDocumentWithKey<int>, int>(filter, selector, null, CancellationToken.None),
             Times.Once);
     }
 
@@ -40,7 +40,7 @@ public class GetByMaxAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public async Task WithFilterAndSelectorAndCancellationToken_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var token = new CancellationToken(true);
 
         SetupReader(document);
@@ -52,7 +52,7 @@ public class GetByMaxAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetByMaxAsync<TestDocument, Guid>(filter, selector, null, token),
+            x => x.GetByMaxAsync<TestDocumentWithKey<int>, int>(filter, selector, null, token),
             Times.Once);
     }
 
@@ -60,7 +60,7 @@ public class GetByMaxAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public async Task WithFilterAndSelectorAndPartitionKey_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var partitionKey = Fixture.Create<string>();
 
         SetupReader(document);
@@ -72,7 +72,7 @@ public class GetByMaxAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetByMaxAsync<TestDocument, Guid>(filter, selector, partitionKey, CancellationToken.None),
+            x => x.GetByMaxAsync<TestDocumentWithKey<int>, int>(filter, selector, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -80,7 +80,7 @@ public class GetByMaxAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public async Task WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var partitionKey = Fixture.Create<string>();
         var token = new CancellationToken(true);
 
@@ -93,18 +93,18 @@ public class GetByMaxAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetByMaxAsync<TestDocument, Guid>(filter, selector, partitionKey, token),
+            x => x.GetByMaxAsync<TestDocumentWithKey<int>, int>(filter, selector, partitionKey, token),
             Times.Once);
     }
 
-    private void SetupReader(TestDocument document)
+    private void SetupReader(TestDocumentWithKey<int> document)
     {
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.GetByMaxAsync<TestDocument, Guid>(
+                x => x.GetByMaxAsync<TestDocumentWithKey<int>, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
-                    It.IsAny<Expression<Func<TestDocument, object>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, object>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .ReturnsAsync(document);

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetByMaxTests.cs

@@ -11,16 +11,16 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class GetByMaxTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class GetByMaxTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
-    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> filter = document => document.SomeContent == "SomeContent";
-    private readonly Expression<Func<TestDocument, object>> selector = document => document.SomeValue;
+    private readonly Expression<Func<TestDocumentWithKey<int>, object>> selector = document => document.SomeValue;
 
     [Fact]
     public void WithFilterAndSelector_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
 
         SetupReader(document);
 
@@ -31,7 +31,7 @@ public class GetByMaxTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetByMax<TestDocument, Guid>(filter, selector, null, CancellationToken.None),
+            x => x.GetByMax<TestDocumentWithKey<int>, int>(filter, selector, null, CancellationToken.None),
             Times.Once);
     }
 
@@ -39,7 +39,7 @@ public class GetByMaxTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public void WithFilterAndSelectorAndCancellationToken_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var token = new CancellationToken(true);
 
         SetupReader(document);
@@ -51,7 +51,7 @@ public class GetByMaxTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetByMax<TestDocument, Guid>(filter, selector, null, token),
+            x => x.GetByMax<TestDocumentWithKey<int>, int>(filter, selector, null, token),
             Times.Once);
     }
 
@@ -59,7 +59,7 @@ public class GetByMaxTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public void WithFilterAndSelectorAndPartitionKey_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var partitionKey = Fixture.Create<string>();
 
         SetupReader(document);
@@ -71,7 +71,7 @@ public class GetByMaxTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetByMax<TestDocument, Guid>(filter, selector, partitionKey, CancellationToken.None),
+            x => x.GetByMax<TestDocumentWithKey<int>, int>(filter, selector, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -79,7 +79,7 @@ public class GetByMaxTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public void WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var partitionKey = Fixture.Create<string>();
         var token = new CancellationToken(true);
 
@@ -92,18 +92,18 @@ public class GetByMaxTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetByMax<TestDocument, Guid>(filter, selector, partitionKey, token),
+            x => x.GetByMax<TestDocumentWithKey<int>, int>(filter, selector, partitionKey, token),
             Times.Once);
     }
 
-    private void SetupReader(TestDocument document)
+    private void SetupReader(TestDocumentWithKey<int> document)
     {
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.GetByMax<TestDocument, Guid>(
+                x => x.GetByMax<TestDocumentWithKey<int>, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
-                    It.IsAny<Expression<Func<TestDocument, object>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, object>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .Returns(document);

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetByMinAsyncTests.cs

@@ -12,16 +12,16 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class GetByMinAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class GetByMinAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
-    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> filter = document => document.SomeContent == "SomeContent";
-    private readonly Expression<Func<TestDocument, object>> selector = document => document.SomeValue;
+    private readonly Expression<Func<TestDocumentWithKey<int>, object>> selector = document => document.SomeValue;
 
     [Fact]
     public async Task WithFilterAndSelector_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
 
         SetupReader(document);
 
@@ -32,7 +32,7 @@ public class GetByMinAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetByMinAsync<TestDocument, Guid>(filter, selector, null, CancellationToken.None),
+            x => x.GetByMinAsync<TestDocumentWithKey<int>, int>(filter, selector, null, CancellationToken.None),
             Times.Once);
     }
 
@@ -40,7 +40,7 @@ public class GetByMinAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public async Task WithFilterAndSelectorAndCancellationToken_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var token = new CancellationToken(true);
 
         SetupReader(document);
@@ -52,7 +52,7 @@ public class GetByMinAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetByMinAsync<TestDocument, Guid>(filter, selector, null, token),
+            x => x.GetByMinAsync<TestDocumentWithKey<int>, int>(filter, selector, null, token),
             Times.Once);
     }
 
@@ -60,7 +60,7 @@ public class GetByMinAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public async Task WithFilterAndSelectorAndPartitionKey_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var partitionKey = Fixture.Create<string>();
 
         SetupReader(document);
@@ -72,7 +72,7 @@ public class GetByMinAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetByMinAsync<TestDocument, Guid>(filter, selector, partitionKey, CancellationToken.None),
+            x => x.GetByMinAsync<TestDocumentWithKey<int>, int>(filter, selector, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -80,7 +80,7 @@ public class GetByMinAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public async Task WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var partitionKey = Fixture.Create<string>();
         var token = new CancellationToken(true);
 
@@ -93,18 +93,18 @@ public class GetByMinAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetByMinAsync<TestDocument, Guid>(filter, selector, partitionKey, token),
+            x => x.GetByMinAsync<TestDocumentWithKey<int>, int>(filter, selector, partitionKey, token),
             Times.Once);
     }
 
-    private void SetupReader(TestDocument document)
+    private void SetupReader(TestDocumentWithKey<int> document)
     {
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.GetByMinAsync<TestDocument, Guid>(
+                x => x.GetByMinAsync<TestDocumentWithKey<int>, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
-                    It.IsAny<Expression<Func<TestDocument, object>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, object>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .ReturnsAsync(document);

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetByMinTests.cs

@@ -11,16 +11,16 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class GetByMinTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class GetByMinTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
-    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> filter = document => document.SomeContent == "SomeContent";
-    private readonly Expression<Func<TestDocument, object>> selector = document => document.SomeValue;
+    private readonly Expression<Func<TestDocumentWithKey<int>, object>> selector = document => document.SomeValue;
 
     [Fact]
     public void WithFilterAndSelector_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
 
         SetupReader(document);
 
@@ -31,7 +31,7 @@ public class GetByMinTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetByMin<TestDocument, Guid>(filter, selector, null, CancellationToken.None),
+            x => x.GetByMin<TestDocumentWithKey<int>, int>(filter, selector, null, CancellationToken.None),
             Times.Once);
     }
 
@@ -39,7 +39,7 @@ public class GetByMinTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public void WithFilterAndSelectorAndCancellationToken_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var token = new CancellationToken(true);
 
         SetupReader(document);
@@ -51,7 +51,7 @@ public class GetByMinTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetByMin<TestDocument, Guid>(filter, selector, null, token),
+            x => x.GetByMin<TestDocumentWithKey<int>, int>(filter, selector, null, token),
             Times.Once);
     }
 
@@ -59,7 +59,7 @@ public class GetByMinTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public void WithFilterAndSelectorAndPartitionKey_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var partitionKey = Fixture.Create<string>();
 
         SetupReader(document);
@@ -71,7 +71,7 @@ public class GetByMinTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetByMin<TestDocument, Guid>(filter, selector, partitionKey, CancellationToken.None),
+            x => x.GetByMin<TestDocumentWithKey<int>, int>(filter, selector, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -79,7 +79,7 @@ public class GetByMinTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public void WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var partitionKey = Fixture.Create<string>();
         var token = new CancellationToken(true);
 
@@ -92,18 +92,18 @@ public class GetByMinTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetByMin<TestDocument, Guid>(filter, selector, partitionKey, token),
+            x => x.GetByMin<TestDocumentWithKey<int>, int>(filter, selector, partitionKey, token),
             Times.Once);
     }
 
-    private void SetupReader(TestDocument document)
+    private void SetupReader(TestDocumentWithKey<int> document)
     {
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.GetByMin<TestDocument, Guid>(
+                x => x.GetByMin<TestDocumentWithKey<int>, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
-                    It.IsAny<Expression<Func<TestDocument, object>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, object>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .Returns(document);

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetMaxValueAsyncTests.cs

@@ -12,10 +12,10 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class GetMaxValueAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class GetMaxValueAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
-    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> filter = document => document.SomeContent == "SomeContent";
-    private readonly Expression<Func<TestDocument, int>> selector = document => document.SomeValue;
+    private readonly Expression<Func<TestDocumentWithKey<int>, int>> selector = document => document.SomeValue;
 
     [Fact]
     public async Task WithFilterAndSelector_GetsMaxValue()
@@ -31,7 +31,7 @@ public class GetMaxValueAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Gui
         // Assert
         result.Should().Be(value);
         Reader.Verify(
-            x => x.GetMaxValueAsync<TestDocument, Guid, int>(filter, selector, null, CancellationToken.None),
+            x => x.GetMaxValueAsync<TestDocumentWithKey<int>, int, int>(filter, selector, null, CancellationToken.None),
             Times.Once);
     }
 
@@ -50,7 +50,7 @@ public class GetMaxValueAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Gui
         // Assert
         result.Should().Be(value);
         Reader.Verify(
-            x => x.GetMaxValueAsync<TestDocument, Guid, int>(filter, selector, null, token),
+            x => x.GetMaxValueAsync<TestDocumentWithKey<int>, int, int>(filter, selector, null, token),
             Times.Once);
     }
 
@@ -69,7 +69,7 @@ public class GetMaxValueAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Gui
         // Assert
         result.Should().Be(value);
         Reader.Verify(
-            x => x.GetMaxValueAsync<TestDocument, Guid, int>(filter, selector, partitionKey, CancellationToken.None),
+            x => x.GetMaxValueAsync<TestDocumentWithKey<int>, int, int>(filter, selector, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -89,7 +89,7 @@ public class GetMaxValueAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Gui
         // Assert
         result.Should().Be(value);
         Reader.Verify(
-            x => x.GetMaxValueAsync<TestDocument, Guid, int>(filter, selector, partitionKey, token),
+            x => x.GetMaxValueAsync<TestDocumentWithKey<int>, int, int>(filter, selector, partitionKey, token),
             Times.Once);
     }
 
@@ -98,9 +98,9 @@ public class GetMaxValueAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Gui
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.GetMaxValueAsync<TestDocument, Guid, int>(
+                x => x.GetMaxValueAsync<TestDocumentWithKey<int>, int, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
-                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .ReturnsAsync(value);

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetMaxValueTests.cs

@@ -11,10 +11,10 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class GetMaxValueTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class GetMaxValueTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
-    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> filter = document => document.SomeContent == "SomeContent";
-    private readonly Expression<Func<TestDocument, int>> selector = document => document.SomeValue;
+    private readonly Expression<Func<TestDocumentWithKey<int>, int>> selector = document => document.SomeValue;
 
     [Fact]
     public void WithFilterAndSelector_GetsMaxValue()
@@ -30,7 +30,7 @@ public class GetMaxValueTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(value);
         Reader.Verify(
-            x => x.GetMaxValue<TestDocument, Guid, int>(filter, selector, null, CancellationToken.None),
+            x => x.GetMaxValue<TestDocumentWithKey<int>, int, int>(filter, selector, null, CancellationToken.None),
             Times.Once);
     }
 
@@ -49,7 +49,7 @@ public class GetMaxValueTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(value);
         Reader.Verify(
-            x => x.GetMaxValue<TestDocument, Guid, int>(filter, selector, null, token),
+            x => x.GetMaxValue<TestDocumentWithKey<int>, int, int>(filter, selector, null, token),
             Times.Once);
     }
 
@@ -68,7 +68,7 @@ public class GetMaxValueTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(value);
         Reader.Verify(
-            x => x.GetMaxValue<TestDocument, Guid, int>(filter, selector, partitionKey, CancellationToken.None),
+            x => x.GetMaxValue<TestDocumentWithKey<int>, int, int>(filter, selector, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -88,7 +88,7 @@ public class GetMaxValueTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(value);
         Reader.Verify(
-            x => x.GetMaxValue<TestDocument, Guid, int>(filter, selector, partitionKey, token),
+            x => x.GetMaxValue<TestDocumentWithKey<int>, int, int>(filter, selector, partitionKey, token),
             Times.Once);
     }
 
@@ -97,9 +97,9 @@ public class GetMaxValueTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.GetMaxValue<TestDocument, Guid, int>(
+                x => x.GetMaxValue<TestDocumentWithKey<int>, int, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
-                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .Returns(value);

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetMinValueAsyncTests.cs

@@ -12,10 +12,10 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class GetMinValueAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class GetMinValueAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
-    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> filter = document => document.SomeContent == "SomeContent";
-    private readonly Expression<Func<TestDocument, int>> selector = document => document.SomeValue;
+    private readonly Expression<Func<TestDocumentWithKey<int>, int>> selector = document => document.SomeValue;
 
     [Fact]
     public async Task WithFilterAndSelector_GetsMaxValue()
@@ -31,7 +31,7 @@ public class GetMinValueAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Gui
         // Assert
         result.Should().Be(value);
         Reader.Verify(
-            x => x.GetMinValueAsync<TestDocument, Guid, int>(filter, selector, null, CancellationToken.None),
+            x => x.GetMinValueAsync<TestDocumentWithKey<int>, int, int>(filter, selector, null, CancellationToken.None),
             Times.Once);
     }
 
@@ -50,7 +50,7 @@ public class GetMinValueAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Gui
         // Assert
         result.Should().Be(value);
         Reader.Verify(
-            x => x.GetMinValueAsync<TestDocument, Guid, int>(filter, selector, null, token),
+            x => x.GetMinValueAsync<TestDocumentWithKey<int>, int, int>(filter, selector, null, token),
             Times.Once);
     }
 
@@ -69,7 +69,7 @@ public class GetMinValueAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Gui
         // Assert
         result.Should().Be(value);
         Reader.Verify(
-            x => x.GetMinValueAsync<TestDocument, Guid, int>(filter, selector, partitionKey, CancellationToken.None),
+            x => x.GetMinValueAsync<TestDocumentWithKey<int>, int, int>(filter, selector, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -89,7 +89,7 @@ public class GetMinValueAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Gui
         // Assert
         result.Should().Be(value);
         Reader.Verify(
-            x => x.GetMinValueAsync<TestDocument, Guid, int>(filter, selector, partitionKey, token),
+            x => x.GetMinValueAsync<TestDocumentWithKey<int>, int, int>(filter, selector, partitionKey, token),
             Times.Once);
     }
 
@@ -98,9 +98,9 @@ public class GetMinValueAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Gui
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.GetMinValueAsync<TestDocument, Guid, int>(
+                x => x.GetMinValueAsync<TestDocumentWithKey<int>, int, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
-                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .ReturnsAsync(value);

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetMinValueTests.cs

@@ -11,10 +11,10 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class GetMinValueTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class GetMinValueTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
-    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> filter = document => document.SomeContent == "SomeContent";
-    private readonly Expression<Func<TestDocument, int>> selector = document => document.SomeValue;
+    private readonly Expression<Func<TestDocumentWithKey<int>, int>> selector = document => document.SomeValue;
 
     [Fact]
     public void WithFilterAndSelector_GetsMinValue()
@@ -30,7 +30,7 @@ public class GetMinValueTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(value);
         Reader.Verify(
-            x => x.GetMinValue<TestDocument, Guid, int>(filter, selector, null, CancellationToken.None),
+            x => x.GetMinValue<TestDocumentWithKey<int>, int, int>(filter, selector, null, CancellationToken.None),
             Times.Once);
     }
 
@@ -49,7 +49,7 @@ public class GetMinValueTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(value);
         Reader.Verify(
-            x => x.GetMinValue<TestDocument, Guid, int>(filter, selector, null, token),
+            x => x.GetMinValue<TestDocumentWithKey<int>, int, int>(filter, selector, null, token),
             Times.Once);
     }
 
@@ -68,7 +68,7 @@ public class GetMinValueTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(value);
         Reader.Verify(
-            x => x.GetMinValue<TestDocument, Guid, int>(filter, selector, partitionKey, CancellationToken.None),
+            x => x.GetMinValue<TestDocumentWithKey<int>, int, int>(filter, selector, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -88,7 +88,7 @@ public class GetMinValueTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(value);
         Reader.Verify(
-            x => x.GetMinValue<TestDocument, Guid, int>(filter, selector, partitionKey, token),
+            x => x.GetMinValue<TestDocumentWithKey<int>, int, int>(filter, selector, partitionKey, token),
             Times.Once);
     }
 
@@ -97,9 +97,9 @@ public class GetMinValueTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.GetMinValue<TestDocument, Guid, int>(
+                x => x.GetMinValue<TestDocumentWithKey<int>, int, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
-                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .Returns(value);

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetOneAsyncTests.cs

@@ -12,15 +12,15 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class GetOneAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class GetOneAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
-    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> filter = document => document.SomeContent == "SomeContent";
 
     [Fact]
     public async Task WithFilter_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
 
         SetupReader(document);
 
@@ -31,7 +31,7 @@ public class GetOneAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetOneAsync<TestDocument, Guid>(filter, null, CancellationToken.None),
+            x => x.GetOneAsync<TestDocumentWithKey<int>, int>(filter, null, CancellationToken.None),
             Times.Once);
     }
 
@@ -39,7 +39,7 @@ public class GetOneAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public async Task WithFilterAndCancellationToken_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var token = new CancellationToken(true);
 
         SetupReader(document);
@@ -51,7 +51,7 @@ public class GetOneAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetOneAsync<TestDocument, Guid>(filter, null, token),
+            x => x.GetOneAsync<TestDocumentWithKey<int>, int>(filter, null, token),
             Times.Once);
     }
 
@@ -59,7 +59,7 @@ public class GetOneAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public async Task WithFilterAndPartitionKey_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var partitionKey = Fixture.Create<string>();
 
         SetupReader(document);
@@ -71,7 +71,7 @@ public class GetOneAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetOneAsync<TestDocument, Guid>(filter, partitionKey, CancellationToken.None),
+            x => x.GetOneAsync<TestDocumentWithKey<int>, int>(filter, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -79,7 +79,7 @@ public class GetOneAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
     public async Task WithFilterAndPartitionKeyAndCancellationToken_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var partitionKey = Fixture.Create<string>();
         var token = new CancellationToken(true);
 
@@ -92,17 +92,17 @@ public class GetOneAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetOneAsync<TestDocument, Guid>(filter, partitionKey, token),
+            x => x.GetOneAsync<TestDocumentWithKey<int>, int>(filter, partitionKey, token),
             Times.Once);
     }
 
-    private void SetupReader(TestDocument document)
+    private void SetupReader(TestDocumentWithKey<int> document)
     {
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.GetOneAsync<TestDocument, Guid>(
+                x => x.GetOneAsync<TestDocumentWithKey<int>, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .ReturnsAsync(document);

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetOneTests.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Linq.Expressions;
 using System.Threading;
-using System.Threading.Tasks;
 using AutoFixture;
 using CoreUnitTests.Infrastructure;
 using CoreUnitTests.Infrastructure.Model;
@@ -12,15 +11,15 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class GetOneTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class GetOneTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
-    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> filter = document => document.SomeContent == "SomeContent";
 
     [Fact]
-    public void WithId_GetsOne()
+    public void WithFilter_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
 
         SetupReader(document);
 
@@ -31,15 +30,15 @@ public class GetOneTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetOne<TestDocument, Guid>(filter, null, CancellationToken.None),
+            x => x.GetOne<TestDocumentWithKey<int>, int>(filter, null, CancellationToken.None),
             Times.Once);
     }
 
     [Fact]
-    public void WithIdAndCancellationToken_GetsOne()
+    public void WithFilterAndCancellationToken_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var token = new CancellationToken(true);
 
         SetupReader(document);
@@ -51,15 +50,15 @@ public class GetOneTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetOne<TestDocument, Guid>(filter, null, token),
+            x => x.GetOne<TestDocumentWithKey<int>, int>(filter, null, token),
             Times.Once);
     }
 
     [Fact]
-    public void WithIdAndPartitionKey_GetsOne()
+    public void WithFilterAndPartitionKey_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var partitionKey = Fixture.Create<string>();
 
         SetupReader(document);
@@ -71,15 +70,15 @@ public class GetOneTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetOne<TestDocument, Guid>(filter, partitionKey, CancellationToken.None),
+            x => x.GetOne<TestDocumentWithKey<int>, int>(filter, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
     [Fact]
-    public void WithIdAndPartitionKeyAndCancellationToken_GetsOne()
+    public void WithFilterAndPartitionKeyAndCancellationToken_GetsOne()
     {
         // Arrange
-        var document = Fixture.Create<TestDocument>();
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
         var partitionKey = Fixture.Create<string>();
         var token = new CancellationToken(true);
 
@@ -92,17 +91,17 @@ public class GetOneTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(document);
         Reader.Verify(
-            x => x.GetOne<TestDocument, Guid>(filter, partitionKey, token),
+            x => x.GetOne<TestDocumentWithKey<int>, int>(filter, partitionKey, token),
             Times.Once);
     }
 
-    private void SetupReader(TestDocument document)
+    private void SetupReader(TestDocumentWithKey<int> document)
     {
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.GetOne<TestDocument, Guid>(
+                x => x.GetOne<TestDocumentWithKey<int>, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .Returns(document);

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetSortedPaginatedAsyncTests.cs

@@ -15,11 +15,11 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class GetSortedPaginatedAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class GetSortedPaginatedAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
-    private readonly Expression<Func<TestDocument, bool>> filter = document => document.GroupingKey == 1;
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> filter = document => document.GroupingKey == 1;
-    private readonly Expression<Func<TestDocument, object>> selector = document => document.GroupingKey;
+    private readonly Expression<Func<TestDocumentWithKey<int>, object>> selector = document => document.GroupingKey;
-    private readonly SortDefinition<TestDocument> sortDefinition = Builders<TestDocument>.Sort.Ascending(document => document.GroupingKey);
+    private readonly SortDefinition<TestDocumentWithKey<int>> sortDefinition = Builders<TestDocumentWithKey<int>>.Sort.Ascending(document => document.GroupingKey);
 
     private const bool DefaultAscending = true;
     private const int DefaultSkipNumber = 0;
@@ -178,15 +178,15 @@ public class GetSortedPaginatedAsyncTests : TestKeyedReadOnlyMongoRepositoryCont
         VerifyDefinition(result, documents, DefaultSkipNumber, DefaultTakeNumber, null, token);
     }
 
-    private List<TestDocument> SetupReaderWithSortSelector()
+    private List<TestDocumentWithKey<int>> SetupReaderWithSortSelector()
     {
-        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var documents = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
         Reader = new Mock<IMongoDbReader>();
 
         Reader.Setup(
-                x => x.GetSortedPaginatedAsync<TestDocument, Guid>(
+                x => x.GetSortedPaginatedAsync<TestDocumentWithKey<int>, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
-                    It.IsAny<Expression<Func<TestDocument, object>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, object>>>(),
                     It.IsAny<bool>(),
                     It.IsAny<int>(),
                     It.IsAny<int>(),
@@ -196,12 +196,12 @@ public class GetSortedPaginatedAsyncTests : TestKeyedReadOnlyMongoRepositoryCont
         return documents;
     }
 
-    private void VerifySelector(List<TestDocument> result, List<TestDocument> documents, bool ascending, int skipNumber, int takeNumber, string partitionKey, CancellationToken cancellationToken)
+    private void VerifySelector(List<TestDocumentWithKey<int>> result, List<TestDocumentWithKey<int>> documents, bool ascending, int skipNumber, int takeNumber, string partitionKey, CancellationToken cancellationToken)
     {
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(documents);
         Reader.Verify(
-            x => x.GetSortedPaginatedAsync<TestDocument, Guid>(
+            x => x.GetSortedPaginatedAsync<TestDocumentWithKey<int>, int>(
                 filter,
                 selector,
                 ascending,
@@ -212,15 +212,15 @@ public class GetSortedPaginatedAsyncTests : TestKeyedReadOnlyMongoRepositoryCont
             Times.Once);
     }
 
-    private List<TestDocument> SetupReaderWithSortDefinition()
+    private List<TestDocumentWithKey<int>> SetupReaderWithSortDefinition()
     {
-        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var documents = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
         Reader = new Mock<IMongoDbReader>();
 
         Reader.Setup(
-                x => x.GetSortedPaginatedAsync<TestDocument, Guid>(
+                x => x.GetSortedPaginatedAsync<TestDocumentWithKey<int>, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
-                    It.IsAny<SortDefinition<TestDocument>>(),
+                    It.IsAny<SortDefinition<TestDocumentWithKey<int>>>(),
                     It.IsAny<int>(),
                     It.IsAny<int>(),
                     It.IsAny<string>(),
@@ -229,12 +229,12 @@ public class GetSortedPaginatedAsyncTests : TestKeyedReadOnlyMongoRepositoryCont
         return documents;
     }
 
-    private void VerifyDefinition(List<TestDocument> result, List<TestDocument> documents, int skipNumber, int takeNumber, string partitionKey, CancellationToken cancellationToken)
+    private void VerifyDefinition(List<TestDocumentWithKey<int>> result, List<TestDocumentWithKey<int>> documents, int skipNumber, int takeNumber, string partitionKey, CancellationToken cancellationToken)
     {
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(documents);
         Reader.Verify(
-            x => x.GetSortedPaginatedAsync<TestDocument, Guid>(
+            x => x.GetSortedPaginatedAsync<TestDocumentWithKey<int>, int>(
                 filter,
                 sortDefinition,
                 skipNumber,

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GroupByTests.cs

@@ -12,11 +12,11 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class GroupByTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class GroupByTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
-    private readonly Expression<Func<TestDocument, int>> grouping = document => document.GroupingKey;
+    private readonly Expression<Func<TestDocumentWithKey<int>, int>> grouping = document => document.GroupingKey;
-    private readonly Expression<Func<IGrouping<int, TestDocument>, TestProjection>> projection = documents => new TestProjection {Count = documents.Count()};
+    private readonly Expression<Func<IGrouping<int, TestDocumentWithKey<int>>, TestProjection>> projection = documents => new TestProjection {Count = documents.Count()};
-    private readonly Expression<Func<TestDocument, bool>> filter = document => document.GroupingKey == 1;
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> filter = document => document.GroupingKey == 1;
 
     [Fact]
     public void WithGroupingCriteriaAndProjection_Groups()
@@ -26,9 +26,9 @@ public class GroupByTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         Reader = new Mock<IMongoDbReader>();
 
         Reader.Setup(
-                x => x.GroupBy<TestDocument, int, TestProjection, Guid>(
+                x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(
-                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
-                    It.IsAny<Expression<Func<IGrouping<int, TestDocument>, TestProjection>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocumentWithKey<int>>, TestProjection>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .Returns(projections);
@@ -40,7 +40,7 @@ public class GroupByTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(projections);
         Reader.Verify(
-            x => x.GroupBy<TestDocument, int, TestProjection, Guid>(grouping, projection, null, CancellationToken.None),
+            x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(grouping, projection, null, CancellationToken.None),
             Times.Once);
     }
 
@@ -54,9 +54,9 @@ public class GroupByTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
 
         Reader
             .Setup(
-                x => x.GroupBy<TestDocument, int, TestProjection, Guid>(
+                x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(
-                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
-                    It.IsAny<Expression<Func<IGrouping<int, TestDocument>, TestProjection>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocumentWithKey<int>>, TestProjection>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .Returns(projections);
@@ -68,7 +68,7 @@ public class GroupByTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(projections);
         Reader.Verify(
-            x => x.GroupBy<TestDocument, int, TestProjection, Guid>(grouping, projection, null, token),
+            x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(grouping, projection, null, token),
             Times.Once);
     }
 
@@ -82,9 +82,9 @@ public class GroupByTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
 
         Reader
             .Setup(
-                x => x.GroupBy<TestDocument, int, TestProjection, Guid>(
+                x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(
-                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
-                    It.IsAny<Expression<Func<IGrouping<int, TestDocument>, TestProjection>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocumentWithKey<int>>, TestProjection>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .Returns(projections);
@@ -96,7 +96,7 @@ public class GroupByTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(projections);
         Reader.Verify(
-            x => x.GroupBy<TestDocument, int, TestProjection, Guid>(grouping, projection, partitionKey, CancellationToken.None),
+            x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(grouping, projection, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -111,9 +111,9 @@ public class GroupByTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
 
         Reader
             .Setup(
-                x => x.GroupBy<TestDocument, int, TestProjection, Guid>(
+                x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(
-                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
-                    It.IsAny<Expression<Func<IGrouping<int, TestDocument>, TestProjection>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocumentWithKey<int>>, TestProjection>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .Returns(projections);
@@ -125,7 +125,7 @@ public class GroupByTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(projections);
         Reader.Verify(
-            x => x.GroupBy<TestDocument, int, TestProjection, Guid>(grouping, projection, partitionKey, token),
+            x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(grouping, projection, partitionKey, token),
             Times.Once);
     }
 
@@ -137,10 +137,10 @@ public class GroupByTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         Reader = new Mock<IMongoDbReader>();
 
         Reader.Setup(
-                x => x.GroupBy<TestDocument, int, TestProjection, Guid>(
+                x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(
-                    It.IsAny<Expression<Func<TestDocument,bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>,bool>>>(),
-                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
-                    It.IsAny<Expression<Func<IGrouping<int, TestDocument>, TestProjection>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocumentWithKey<int>>, TestProjection>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .Returns(projections);
@@ -152,7 +152,7 @@ public class GroupByTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(projections);
         Reader.Verify(
-            x => x.GroupBy<TestDocument, int, TestProjection, Guid>(filter, grouping, projection, null, CancellationToken.None),
+            x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(filter, grouping, projection, null, CancellationToken.None),
             Times.Once);
     }
 
@@ -165,10 +165,10 @@ public class GroupByTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         Reader = new Mock<IMongoDbReader>();
 
         Reader.Setup(
-                x => x.GroupBy<TestDocument, int, TestProjection, Guid>(
+                x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(
-                    It.IsAny<Expression<Func<TestDocument,bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>,bool>>>(),
-                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
-                    It.IsAny<Expression<Func<IGrouping<int, TestDocument>, TestProjection>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocumentWithKey<int>>, TestProjection>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .Returns(projections);
@@ -180,7 +180,7 @@ public class GroupByTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(projections);
         Reader.Verify(
-            x => x.GroupBy<TestDocument, int, TestProjection, Guid>(filter, grouping, projection, null, token),
+            x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(filter, grouping, projection, null, token),
             Times.Once);
     }
 
@@ -193,10 +193,10 @@ public class GroupByTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         Reader = new Mock<IMongoDbReader>();
 
         Reader.Setup(
-                x => x.GroupBy<TestDocument, int, TestProjection, Guid>(
+                x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(
-                    It.IsAny<Expression<Func<TestDocument,bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>,bool>>>(),
-                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
-                    It.IsAny<Expression<Func<IGrouping<int, TestDocument>, TestProjection>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocumentWithKey<int>>, TestProjection>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .Returns(projections);
@@ -208,7 +208,7 @@ public class GroupByTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(projections);
         Reader.Verify(
-            x => x.GroupBy<TestDocument, int, TestProjection, Guid>(filter, grouping, projection, partitionKey, CancellationToken.None),
+            x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(filter, grouping, projection, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -222,10 +222,10 @@ public class GroupByTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         Reader = new Mock<IMongoDbReader>();
 
         Reader.Setup(
-                x => x.GroupBy<TestDocument, int, TestProjection, Guid>(
+                x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(
-                    It.IsAny<Expression<Func<TestDocument,bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>,bool>>>(),
-                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
-                    It.IsAny<Expression<Func<IGrouping<int, TestDocument>, TestProjection>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocumentWithKey<int>>, TestProjection>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .Returns(projections);
@@ -237,7 +237,7 @@ public class GroupByTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         result.Should().NotBeNull();
         result.Should().BeEquivalentTo(projections);
         Reader.Verify(
-            x => x.GroupBy<TestDocument, int, TestProjection, Guid>(filter, grouping, projection, partitionKey, token),
+            x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(filter, grouping, projection, partitionKey, token),
             Times.Once);
     }
 }

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/ProjectManyAsyncTests.cs

@@ -14,10 +14,10 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class ProjectManyAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class ProjectManyAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
-    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> filter = document => document.SomeContent == "SomeContent";
-    private readonly Expression<Func<TestDocument, TestProjection>> projection = document => new TestProjection {NestedData = document.Nested.SomeDate};
+    private readonly Expression<Func<TestDocumentWithKey<int>, TestProjection>> projection = document => new TestProjection {NestedData = document.Nested.SomeDate};
 
     [Fact]
     public async Task WithFilterAndProjection_Projects()
@@ -33,7 +33,7 @@ public class ProjectManyAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Gui
         // Assert
         result.Should().OnlyContain(x => projections.Contains(x));
         Reader.Verify(
-            x => x.ProjectManyAsync<TestDocument, TestProjection, Guid>(
+            x => x.ProjectManyAsync<TestDocumentWithKey<int>, TestProjection, int>(
                 filter,
                 projection,
                 null,
@@ -56,7 +56,7 @@ public class ProjectManyAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Gui
         // Assert
         result.Should().OnlyContain(x => projections.Contains(x));
         Reader.Verify(
-            x => x.ProjectManyAsync<TestDocument, TestProjection, Guid>(filter, projection, null, token),
+            x => x.ProjectManyAsync<TestDocumentWithKey<int>, TestProjection, int>(filter, projection, null, token),
             Times.Once);
     }
 
@@ -75,7 +75,7 @@ public class ProjectManyAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Gui
         // Assert
         result.Should().OnlyContain(x => projections.Contains(x));
         Reader.Verify(
-            x => x.ProjectManyAsync<TestDocument, TestProjection, Guid>(filter, projection, partitionKey, CancellationToken.None),
+            x => x.ProjectManyAsync<TestDocumentWithKey<int>, TestProjection, int>(filter, projection, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -95,7 +95,7 @@ public class ProjectManyAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Gui
         // Assert
         result.Should().OnlyContain(x => projections.Contains(x));
         Reader.Verify(
-            x => x.ProjectManyAsync<TestDocument, TestProjection, Guid>(filter, projection, partitionKey, token),
+            x => x.ProjectManyAsync<TestDocumentWithKey<int>, TestProjection, int>(filter, projection, partitionKey, token),
             Times.Once);
     }
 
@@ -104,9 +104,9 @@ public class ProjectManyAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Gui
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.ProjectManyAsync<TestDocument, TestProjection, Guid>(
+                x => x.ProjectManyAsync<TestDocumentWithKey<int>, TestProjection, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
-                    It.IsAny<Expression<Func<TestDocument, TestProjection>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, TestProjection>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .ReturnsAsync(projections);

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/ProjectManyTests.cs

@@ -13,10 +13,10 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class ProjectManyTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class ProjectManyTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
-    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> filter = document => document.SomeContent == "SomeContent";
-    private readonly Expression<Func<TestDocument, TestProjection>> projection = document => new TestProjection {NestedData = document.Nested.SomeDate};
+    private readonly Expression<Func<TestDocumentWithKey<int>, TestProjection>> projection = document => new TestProjection {NestedData = document.Nested.SomeDate};
 
     [Fact]
     public void WithFilterAndProjection_Projects()
@@ -32,7 +32,7 @@ public class ProjectManyTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().OnlyContain(x => projections.Contains(x));
         Reader.Verify(
-            x => x.ProjectMany<TestDocument, TestProjection, Guid>(
+            x => x.ProjectMany<TestDocumentWithKey<int>, TestProjection, int>(
                 filter,
                 projection,
                 null,
@@ -55,7 +55,7 @@ public class ProjectManyTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().OnlyContain(x => projections.Contains(x));
         Reader.Verify(
-            x => x.ProjectMany<TestDocument, TestProjection, Guid>(filter, projection, null, token),
+            x => x.ProjectMany<TestDocumentWithKey<int>, TestProjection, int>(filter, projection, null, token),
             Times.Once);
     }
 
@@ -74,7 +74,7 @@ public class ProjectManyTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().OnlyContain(x => projections.Contains(x));
         Reader.Verify(
-            x => x.ProjectMany<TestDocument, TestProjection, Guid>(filter, projection, partitionKey, CancellationToken.None),
+            x => x.ProjectMany<TestDocumentWithKey<int>, TestProjection, int>(filter, projection, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -94,7 +94,7 @@ public class ProjectManyTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().OnlyContain(x => projections.Contains(x));
         Reader.Verify(
-            x => x.ProjectMany<TestDocument, TestProjection, Guid>(filter, projection, partitionKey, token),
+            x => x.ProjectMany<TestDocumentWithKey<int>, TestProjection, int>(filter, projection, partitionKey, token),
             Times.Once);
     }
 
@@ -103,9 +103,9 @@ public class ProjectManyTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.ProjectMany<TestDocument, TestProjection, Guid>(
+                x => x.ProjectMany<TestDocumentWithKey<int>, TestProjection, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
-                    It.IsAny<Expression<Func<TestDocument, TestProjection>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, TestProjection>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .Returns(projections);

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/ProjectOneAsyncTests.cs

@@ -12,10 +12,10 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class ProjectOneAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class ProjectOneAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
-    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> filter = document => document.SomeContent == "SomeContent";
-    private readonly Expression<Func<TestDocument, TestProjection>> projection = document => new TestProjection {NestedData = document.Nested.SomeDate};
+    private readonly Expression<Func<TestDocumentWithKey<int>, TestProjection>> projection = document => new TestProjection {NestedData = document.Nested.SomeDate};
 
     [Fact]
     public async Task WithFilterAndProjection_Projects()
@@ -31,7 +31,7 @@ public class ProjectOneAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid
         // Assert
         result.Should().Be(expected);
         Reader.Verify(
-            x => x.ProjectOneAsync<TestDocument, TestProjection, Guid>(
+            x => x.ProjectOneAsync<TestDocumentWithKey<int>, TestProjection, int>(
                 filter,
                 projection,
                 null,
@@ -54,7 +54,7 @@ public class ProjectOneAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid
         // Assert
         result.Should().Be(expected);
         Reader.Verify(
-            x => x.ProjectOneAsync<TestDocument, TestProjection, Guid>(filter, projection, null, token),
+            x => x.ProjectOneAsync<TestDocumentWithKey<int>, TestProjection, int>(filter, projection, null, token),
             Times.Once);
     }
 
@@ -73,7 +73,7 @@ public class ProjectOneAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid
         // Assert
         result.Should().Be(expected);
         Reader.Verify(
-            x => x.ProjectOneAsync<TestDocument, TestProjection, Guid>(filter, projection, partitionKey, CancellationToken.None),
+            x => x.ProjectOneAsync<TestDocumentWithKey<int>, TestProjection, int>(filter, projection, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -93,7 +93,7 @@ public class ProjectOneAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid
         // Assert
         result.Should().Be(expected);
         Reader.Verify(
-            x => x.ProjectOneAsync<TestDocument, TestProjection, Guid>(filter, projection, partitionKey, token),
+            x => x.ProjectOneAsync<TestDocumentWithKey<int>, TestProjection, int>(filter, projection, partitionKey, token),
             Times.Once);
     }
 
@@ -102,9 +102,9 @@ public class ProjectOneAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.ProjectOneAsync<TestDocument, TestProjection, Guid>(
+                x => x.ProjectOneAsync<TestDocumentWithKey<int>, TestProjection, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
-                    It.IsAny<Expression<Func<TestDocument, TestProjection>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, TestProjection>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .ReturnsAsync(result);

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/ProjectOneTests.cs

@@ -11,10 +11,10 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class ProjectOneTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class ProjectOneTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
-    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> filter = document => document.SomeContent == "SomeContent";
-    private readonly Expression<Func<TestDocument, TestProjection>> projection = document => new TestProjection {NestedData = document.Nested.SomeDate};
+    private readonly Expression<Func<TestDocumentWithKey<int>, TestProjection>> projection = document => new TestProjection {NestedData = document.Nested.SomeDate};
 
     [Fact]
     public void WithFilterAndProjection_Projects()
@@ -30,7 +30,7 @@ public class ProjectOneTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(expected);
         Reader.Verify(
-            x => x.ProjectOne<TestDocument, TestProjection, Guid>(
+            x => x.ProjectOne<TestDocumentWithKey<int>, TestProjection, int>(
                 filter,
                 projection,
                 null,
@@ -53,7 +53,7 @@ public class ProjectOneTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(expected);
         Reader.Verify(
-            x => x.ProjectOne<TestDocument, TestProjection, Guid>(filter, projection, null, token),
+            x => x.ProjectOne<TestDocumentWithKey<int>, TestProjection, int>(filter, projection, null, token),
             Times.Once);
     }
 
@@ -72,7 +72,7 @@ public class ProjectOneTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(expected);
         Reader.Verify(
-            x => x.ProjectOne<TestDocument, TestProjection, Guid>(filter, projection, partitionKey, CancellationToken.None),
+            x => x.ProjectOne<TestDocumentWithKey<int>, TestProjection, int>(filter, projection, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -92,7 +92,7 @@ public class ProjectOneTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(expected);
         Reader.Verify(
-            x => x.ProjectOne<TestDocument, TestProjection, Guid>(filter, projection, partitionKey, token),
+            x => x.ProjectOne<TestDocumentWithKey<int>, TestProjection, int>(filter, projection, partitionKey, token),
             Times.Once);
     }
 
@@ -101,9 +101,9 @@ public class ProjectOneTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.ProjectOne<TestDocument, TestProjection, Guid>(
+                x => x.ProjectOne<TestDocumentWithKey<int>, TestProjection, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
-                    It.IsAny<Expression<Func<TestDocument, TestProjection>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, TestProjection>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .Returns(result);

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/SumByAsyncTests.cs

@@ -12,11 +12,11 @@ using Xunit;
 
 namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
 
-public class SumByAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+public class SumByAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<int>
 {
-    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> filter = document => document.SomeContent == "SomeContent";
-    private readonly Expression<Func<TestDocument, int>> intSelector = document => document.SomeValue;
+    private readonly Expression<Func<TestDocumentWithKey<int>, int>> intSelector = document => document.SomeValue;
-    private readonly Expression<Func<TestDocument, decimal>> decimalSelector = document => document.SomeDecimalValue;
+    private readonly Expression<Func<TestDocumentWithKey<int>, decimal>> decimalSelector = document => document.SomeDecimalValue;
 
     [Fact]
     public async Task Int_WithFilterAndSelector_Sums()
@@ -32,7 +32,7 @@ public class SumByAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(expected);
         Reader.Verify(
-            x => x.SumByAsync<TestDocument, Guid>(filter, intSelector, null, CancellationToken.None),
+            x => x.SumByAsync<TestDocumentWithKey<int>, int>(filter, intSelector, null, CancellationToken.None),
             Times.Once);
     }
 
@@ -51,7 +51,7 @@ public class SumByAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(expected);
         Reader.Verify(
-            x => x.SumByAsync<TestDocument, Guid>(filter, intSelector, null, token),
+            x => x.SumByAsync<TestDocumentWithKey<int>, int>(filter, intSelector, null, token),
             Times.Once);
     }
 
@@ -70,7 +70,7 @@ public class SumByAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(expected);
         Reader.Verify(
-            x => x.SumByAsync<TestDocument, Guid>(filter, intSelector, partitionKey, CancellationToken.None),
+            x => x.SumByAsync<TestDocumentWithKey<int>, int>(filter, intSelector, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -90,7 +90,7 @@ public class SumByAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(expected);
         Reader.Verify(
-            x => x.SumByAsync<TestDocument, Guid>(filter, intSelector, partitionKey, token),
+            x => x.SumByAsync<TestDocumentWithKey<int>, int>(filter, intSelector, partitionKey, token),
             Times.Once);
     }
 
@@ -108,7 +108,7 @@ public class SumByAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(expected);
         Reader.Verify(
-            x => x.SumByAsync<TestDocument, Guid>(filter, decimalSelector, null, CancellationToken.None),
+            x => x.SumByAsync<TestDocumentWithKey<int>, int>(filter, decimalSelector, null, CancellationToken.None),
             Times.Once);
     }
 
@@ -127,7 +127,7 @@ public class SumByAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(expected);
         Reader.Verify(
-            x => x.SumByAsync<TestDocument, Guid>(filter, decimalSelector, null, token),
+            x => x.SumByAsync<TestDocumentWithKey<int>, int>(filter, decimalSelector, null, token),
             Times.Once);
     }
 
@@ -146,7 +146,7 @@ public class SumByAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(expected);
         Reader.Verify(
-            x => x.SumByAsync<TestDocument, Guid>(filter, decimalSelector, partitionKey, CancellationToken.None),
+            x => x.SumByAsync<TestDocumentWithKey<int>, int>(filter, decimalSelector, partitionKey, CancellationToken.None),
             Times.Once);
     }
 
@@ -166,7 +166,7 @@ public class SumByAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         // Assert
         result.Should().Be(expected);
         Reader.Verify(
-            x => x.SumByAsync<TestDocument, Guid>(filter, decimalSelector, partitionKey, token),
+            x => x.SumByAsync<TestDocumentWithKey<int>, int>(filter, decimalSelector, partitionKey, token),
             Times.Once);
     }
 
@@ -175,9 +175,9 @@ public class SumByAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.SumByAsync<TestDocument, Guid>(
+                x => x.SumByAsync<TestDocumentWithKey<int>, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
-                    It.IsAny<Expression<Func<TestDocument,int>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>,int>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .ReturnsAsync(expected);
@@ -188,9 +188,9 @@ public class SumByAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
         Reader = new Mock<IMongoDbReader>();
         Reader
             .Setup(
-                x => x.SumByAsync<TestDocument, Guid>(
+                x => x.SumByAsync<TestDocumentWithKey<int>, int>(
-                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
-                    It.IsAny<Expression<Func<TestDocument, decimal>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, decimal>>>(),
                     It.IsAny<string>(),
                     It.IsAny<CancellationToken>()))
             .ReturnsAsync(expected);

CoreUnitTests/ReadOnlyMongoRepositoryTests/AnyAsyncTests.cs

@@ -0,0 +1,349 @@
+using System;
+using System.Linq.Expressions;
+using System.Threading;
+using System.Threading.Tasks;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDB.Driver;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class AnyAsyncTests : TestReadOnlyMongoRepositoryContext
+{
+    private readonly Expression<Func<TestDocument, bool>> expression = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> keyedExpression = document => document.SomeContent == "SomeContent";
+    private readonly FilterDefinition<TestDocumentWithKey<int>> keyedFilter = Builders<TestDocumentWithKey<int>>.Filter.Eq(x => x.Id, 1);
+
+    [Fact]
+    public async Task WithExpression_GetsResult()
+    {
+        // Arrange
+        SetupReader();
+
+        // Act
+        var result = await Sut.AnyAsync(expression);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.AnyAsync<TestDocument, Guid>(expression, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithExpressionAndCancellationToken_GetsResult()
+    {
+        // Arrange
+        var token = new CancellationToken(true);
+
+        SetupReader();
+
+        // Act
+        var result = await Sut.AnyAsync(expression, token);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.AnyAsync<TestDocument, Guid>(expression, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithExpressionAndPartitionKey_GetsResult()
+    {
+        // Arrange
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader();
+
+        // Act
+        var result = await Sut.AnyAsync(expression, partitionKey);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.AnyAsync<TestDocument, Guid>(expression, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithExpressionAndPartitionKeyAndCancellationToken_GetsResult()
+    {
+        // Arrange
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader();
+
+        // Act
+        var result = await Sut.AnyAsync(expression, partitionKey, token);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.AnyAsync<TestDocument, Guid>(expression, partitionKey, token),
+            Times.Once);
+    }
+
+    #region keyed
+
+    [Fact]
+    public async Task Keyed_WithExpression_GetsResult()
+    {
+        // Arrange
+        SetupKeyedReaderWithExpression();
+
+        // Act
+        var result = await Sut.AnyAsync<TestDocumentWithKey<int>, int>(keyedExpression);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.AnyAsync<TestDocumentWithKey<int>, int>(keyedExpression, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithExpressionAndCancellationToken_GetsResult()
+    {
+        // Arrange
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderWithExpression();
+
+        // Act
+        var result = await Sut.AnyAsync<TestDocumentWithKey<int>, int>(keyedExpression, token);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.AnyAsync<TestDocumentWithKey<int>, int>(keyedExpression, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithExpressionAndPartitionKey_GetsResult()
+    {
+        // Arrange
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReaderWithExpression();
+
+        // Act
+        var result = await Sut.AnyAsync<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.AnyAsync<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithExpressionAndPartitionKeyAndCancellationToken_GetsResult()
+    {
+        // Arrange
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderWithExpression();
+
+        // Act
+        var result = await Sut.AnyAsync<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, token);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.AnyAsync<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilter_GetsResult()
+    {
+        // Arrange
+        SetupKeyedReaderWithFilter();
+
+        // Act
+        var result = await Sut.AnyAsync<TestDocumentWithKey<int>, int>(keyedFilter);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.AnyAsync<TestDocumentWithKey<int>, int>(keyedFilter, null, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndOptions_GetsResult()
+    {
+        // Arrange
+        var options = new CountOptions();
+        SetupKeyedReaderWithFilter();
+
+        // Act
+        var result = await Sut.AnyAsync<TestDocumentWithKey<int>, int>(keyedFilter, options);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.AnyAsync<TestDocumentWithKey<int>, int>(keyedFilter, options, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndCancellationToken_GetsResult()
+    {
+        // Arrange
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderWithFilter();
+
+        // Act
+        var result = await Sut.AnyAsync<TestDocumentWithKey<int>, int>(keyedFilter, token);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.AnyAsync<TestDocumentWithKey<int>, int>(keyedFilter, null, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndOptionsAndCancellationToken_GetsResult()
+    {
+        // Arrange
+        var token = new CancellationToken(true);
+        var options = new CountOptions();
+
+        SetupKeyedReaderWithFilter();
+
+        // Act
+        var result = await Sut.AnyAsync<TestDocumentWithKey<int>, int>(keyedFilter, options, token);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.AnyAsync<TestDocumentWithKey<int>, int>(keyedFilter, options, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndPartitionKey_GetsResult()
+    {
+        // Arrange
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReaderWithFilter();
+
+        // Act
+        var result = await Sut.AnyAsync<TestDocumentWithKey<int>, int>(keyedFilter, partitionKey);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.AnyAsync<TestDocumentWithKey<int>, int>(keyedFilter, null, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndCountOptionsAndPartitionKey_GetsResult()
+    {
+        // Arrange
+        var partitionKey = Fixture.Create<string>();
+        var options = new CountOptions();
+
+        SetupKeyedReaderWithFilter();
+
+        // Act
+        var result = await Sut.AnyAsync<TestDocumentWithKey<int>, int>(keyedFilter, options, partitionKey);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.AnyAsync<TestDocumentWithKey<int>, int>(keyedFilter, options, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+    [Fact]
+    public async Task Keyed_WithFilterAndPartitionKeyAndCancellationToken_GetsResult()
+    {
+        // Arrange
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderWithFilter();
+
+        // Act
+        var result = await Sut.AnyAsync<TestDocumentWithKey<int>, int>(keyedFilter, partitionKey, token);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.AnyAsync<TestDocumentWithKey<int>, int>(keyedFilter, null, partitionKey, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndCountOptionsAndPartitionKeyAndCancellationToken_GetsResult()
+    {
+        // Arrange
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+        var options = new CountOptions();
+
+        SetupKeyedReaderWithFilter();
+
+        // Act
+        var result = await Sut.AnyAsync<TestDocumentWithKey<int>, int>(keyedFilter, options, partitionKey, token);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.AnyAsync<TestDocumentWithKey<int>, int>(keyedFilter, options, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupKeyedReaderWithExpression()
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.AnyAsync<TestDocumentWithKey<int>, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(true);
+    }
+
+    private void SetupKeyedReaderWithFilter()
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.AnyAsync<TestDocumentWithKey<int>, int>(
+                    It.IsAny<FilterDefinition<TestDocumentWithKey<int>>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(true);
+    }
+
+    #endregion
+
+    private void SetupReader()
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.AnyAsync<TestDocument, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(true);
+    }
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/AnyTests.cs

@@ -0,0 +1,349 @@
+using System;
+using System.Linq.Expressions;
+using System.Threading;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDB.Driver;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class AnyTests : TestReadOnlyMongoRepositoryContext
+{
+    private readonly Expression<Func<TestDocument, bool>> expression = document => document.SomeContent == "SomeContent";
+
+    [Fact]
+    public void WithExpression_GetsResult()
+    {
+        // Arrange
+        SetupReader();
+
+        // Act
+        var result = Sut.Any(expression);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.Any<TestDocument, Guid>(expression, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithExpressionAndCancellationToken_GetsResult()
+    {
+        // Arrange
+        var token = new CancellationToken(true);
+
+        SetupReader();
+
+        // Act
+        var result = Sut.Any(expression, token);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.Any<TestDocument, Guid>(expression, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithExpressionAndPartitionKey_GetsResult()
+    {
+        // Arrange
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader();
+
+        // Act
+        var result = Sut.Any(expression, partitionKey);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.Any<TestDocument, Guid>(expression, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithExpressionAndPartitionKeyAndCancellationToken_GetsResult()
+    {
+        // Arrange
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader();
+
+        // Act
+        var result = Sut.Any(expression, partitionKey, token);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.Any<TestDocument, Guid>(expression, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader()
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.Any<TestDocument, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(true);
+    }
+
+    #region Keyed
+
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> keyedExpression = document => document.SomeContent == "SomeContent";
+    private readonly FilterDefinition<TestDocumentWithKey<int>> keyedFilter = Builders<TestDocumentWithKey<int>>.Filter.Eq(document => document.SomeContent, "SomeContent");
+
+    [Fact]
+    public void Keyed_WithExpression_GetsResult()
+    {
+        // Arrange
+        SetupKeyedReaderWithExpression();
+
+        // Act
+        var result = Sut.Any<TestDocumentWithKey<int>, int>(keyedExpression);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.Any<TestDocumentWithKey<int>, int>(keyedExpression, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithExpressionAndCancellationToken_GetsResult()
+    {
+        // Arrange
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderWithExpression();
+
+        // Act
+        var result = Sut.Any<TestDocumentWithKey<int>, int>(keyedExpression, token);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.Any<TestDocumentWithKey<int>, int>(keyedExpression, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithExpressionAndPartitionKey_GetsResult()
+    {
+        // Arrange
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReaderWithExpression();
+
+        // Act
+        var result = Sut.Any<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.Any<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithExpressionAndPartitionKeyAndCancellationToken_GetsResult()
+    {
+        // Arrange
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderWithExpression();
+
+        // Act
+        var result = Sut.Any<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, token);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.Any<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilter_GetsResult()
+    {
+        // Arrange
+        SetupKeyedReaderWithFilter();
+
+        // Act
+        var result = Sut.Any<TestDocumentWithKey<int>, int>(keyedFilter);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.Any<TestDocumentWithKey<int>, int>(keyedFilter, null, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndCancellationToken_GetsResult()
+    {
+        // Arrange
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderWithFilter();
+
+        // Act
+        var result = Sut.Any<TestDocumentWithKey<int>, int>(keyedFilter, token);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.Any<TestDocumentWithKey<int>, int>(keyedFilter, null, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndOptions_GetsResult()
+    {
+        // Arrange
+        var options = new CountOptions();
+        SetupKeyedReaderWithFilter();
+
+        // Act
+        var result = Sut.Any<TestDocumentWithKey<int>, int>(keyedFilter, options);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.Any<TestDocumentWithKey<int>, int>(keyedFilter, options, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndOptionsAndCancellationToken_GetsResult()
+    {
+        // Arrange
+        var options = new CountOptions();
+        var token = new CancellationToken(true);
+        SetupKeyedReaderWithFilter();
+
+        // Act
+        var result = Sut.Any<TestDocumentWithKey<int>, int>(keyedFilter, options, token);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.Any<TestDocumentWithKey<int>, int>(keyedFilter, options, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndPartitionKey_GetsResult()
+    {
+        // Arrange
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReaderWithFilter();
+
+        // Act
+        var result = Sut.Any<TestDocumentWithKey<int>, int>(keyedFilter, partitionKey);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.Any<TestDocumentWithKey<int>, int>(keyedFilter, null, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndOptionsAndPartitionKey_GetsResult()
+    {
+        // Arrange
+        var partitionKey = Fixture.Create<string>();
+        var options = new CountOptions();
+
+        SetupKeyedReaderWithFilter();
+
+        // Act
+        var result = Sut.Any<TestDocumentWithKey<int>, int>(keyedFilter, options, partitionKey);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.Any<TestDocumentWithKey<int>, int>(keyedFilter, options, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndPartitionKeyAndCancellationToken_GetsResult()
+    {
+        // Arrange
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderWithFilter();
+
+        // Act
+        var result = Sut.Any<TestDocumentWithKey<int>, int>(keyedFilter, partitionKey, token);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.Any<TestDocumentWithKey<int>, int>(keyedFilter, null, partitionKey, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndOptionsAndPartitionKeyAndCancellationToken_GetsResult()
+    {
+        // Arrange
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+        var options = new CountOptions();
+
+        SetupKeyedReaderWithFilter();
+
+        // Act
+        var result = Sut.Any<TestDocumentWithKey<int>, int>(keyedFilter, options, partitionKey, token);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.Any<TestDocumentWithKey<int>, int>(keyedFilter, options, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupKeyedReaderWithExpression()
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.Any<TestDocumentWithKey<int>, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(true);
+    }
+
+    private void SetupKeyedReaderWithFilter()
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.Any<TestDocumentWithKey<int>, int>(
+                    It.IsAny<FilterDefinition<TestDocumentWithKey<int>>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(true);
+    }
+
+    #endregion
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/CountAsyncTests.cs

@@ -0,0 +1,371 @@
+using System;
+using System.Linq.Expressions;
+using System.Threading;
+using System.Threading.Tasks;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDB.Driver;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class CountAsyncTests : TestReadOnlyMongoRepositoryContext
+{
+    private readonly Expression<Func<TestDocument, bool>> expression = document => document.SomeContent == "SomeContent";
+
+    [Fact]
+    public async Task WithExpression_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+
+        SetupReader(count);
+
+        // Act
+        var result = await Sut.CountAsync(expression);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.CountAsync<TestDocument, Guid>(expression, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithExpressionAndCancellationToken_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var token = new CancellationToken(true);
+
+        SetupReader(count);
+
+        // Act
+        var result = await Sut.CountAsync(expression, token);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.CountAsync<TestDocument, Guid>(expression, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithExpressionAndPartitionKey_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(count);
+
+        // Act
+        var result = await Sut.CountAsync(expression, partitionKey);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.CountAsync<TestDocument, Guid>(expression, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithExpressionAndPartitionKeyAndCancellationToken_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(count);
+
+        // Act
+        var result = await Sut.CountAsync(expression, partitionKey, token);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.CountAsync<TestDocument, Guid>(expression, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader(long count)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.CountAsync<TestDocument, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(count);
+    }
+
+    #region Keyed
+
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> keyedExpression = document => document.SomeContent == "SomeContent";
+    private readonly FilterDefinition<TestDocumentWithKey<int>> keyedFilter = Builders<TestDocumentWithKey<int>>.Filter.Eq(document => document.Id, 1);
+
+    [Fact]
+    public async Task Keyed_WithExpression_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+
+        SetupKeyedReaderWithExpression(count);
+
+        // Act
+        var result = await Sut.CountAsync<TestDocumentWithKey<int>, int>(keyedExpression);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.CountAsync<TestDocumentWithKey<int>, int>(keyedExpression, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithExpressionAndCancellationToken_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderWithExpression(count);
+
+        // Act
+        var result = await Sut.CountAsync<TestDocumentWithKey<int>, int>(keyedExpression, token);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.CountAsync<TestDocumentWithKey<int>, int>(keyedExpression, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithExpressionAndPartitionKey_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReaderWithExpression(count);
+
+        // Act
+        var result = await Sut.CountAsync<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.CountAsync<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithExpressionAndPartitionKeyAndCancellationToken_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderWithExpression(count);
+
+        // Act
+        var result = await Sut.CountAsync<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, token);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.CountAsync<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilter_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+
+        SetupKeyedReaderWithFilter(count);
+
+        // Act
+        var result = await Sut.CountAsync<TestDocumentWithKey<int>, int>(keyedFilter);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.CountAsync<TestDocumentWithKey<int>, int>(keyedFilter, null, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndCountOptions_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var countOptions = new CountOptions();
+
+        SetupKeyedReaderWithFilter(count);
+
+        // Act
+        var result = await Sut.CountAsync<TestDocumentWithKey<int>, int>(keyedFilter, countOptions);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.CountAsync<TestDocumentWithKey<int>, int>(keyedFilter, countOptions, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndCancellationToken_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderWithFilter(count);
+
+        // Act
+        var result = await Sut.CountAsync<TestDocumentWithKey<int>, int>(keyedFilter, token);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.CountAsync<TestDocumentWithKey<int>, int>(keyedFilter, null, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndCountOptionsAndCancellationToken_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var token = new CancellationToken(true);
+        var countOptions = new CountOptions();
+
+        SetupKeyedReaderWithFilter(count);
+
+        // Act
+        var result = await Sut.CountAsync<TestDocumentWithKey<int>, int>(keyedFilter, countOptions, token);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.CountAsync<TestDocumentWithKey<int>, int>(keyedFilter, countOptions, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndPartitionKey_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReaderWithFilter(count);
+
+        // Act
+        var result = await Sut.CountAsync<TestDocumentWithKey<int>, int>(keyedFilter, partitionKey);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.CountAsync<TestDocumentWithKey<int>, int>(keyedFilter, null, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndCountOptionsAndPartitionKey_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var partitionKey = Fixture.Create<string>();
+        var countOptions = new CountOptions();
+
+        SetupKeyedReaderWithFilter(count);
+
+        // Act
+        var result = await Sut.CountAsync<TestDocumentWithKey<int>, int>(keyedFilter, countOptions, partitionKey);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.CountAsync<TestDocumentWithKey<int>, int>(keyedFilter, countOptions, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndPartitionKeyAndCancellationToken_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderWithFilter(count);
+
+        // Act
+        var result = await Sut.CountAsync<TestDocumentWithKey<int>, int>(keyedFilter, partitionKey, token);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.CountAsync<TestDocumentWithKey<int>, int>(keyedFilter, null, partitionKey, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndCountOptionsPartitionKeyAndCancellationToken_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+        var countOptions = new CountOptions();
+
+        SetupKeyedReaderWithFilter(count);
+
+        // Act
+        var result = await Sut.CountAsync<TestDocumentWithKey<int>, int>(keyedFilter, countOptions, partitionKey, token);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.CountAsync<TestDocumentWithKey<int>, int>(keyedFilter, countOptions, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupKeyedReaderWithExpression(long count)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.CountAsync<TestDocumentWithKey<int>, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(count);
+    }
+
+    private void SetupKeyedReaderWithFilter(long count)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.CountAsync<TestDocumentWithKey<int>, int>(
+                    It.IsAny<FilterDefinition<TestDocumentWithKey<int>>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(count);
+    }
+
+    #endregion
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/CountTests.cs

@@ -0,0 +1,373 @@
+using System;
+using System.Linq.Expressions;
+using System.Threading;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDB.Driver;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class CountTests : TestReadOnlyMongoRepositoryContext
+{
+    private readonly Expression<Func<TestDocument, bool>> expression = document => document.SomeContent == "SomeContent";
+
+    [Fact]
+    public void WithExpression_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+
+        SetupReader(count);
+
+        // Act
+        var result = Sut.Count(expression);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.Count<TestDocument, Guid>(expression, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithExpressionAndCancellationToken_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var token = new CancellationToken(true);
+
+        SetupReader(count);
+
+        // Act
+        var result = Sut.Count(expression, token);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.Count<TestDocument, Guid>(expression, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithExpressionAndPartitionKey_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(count);
+
+        // Act
+        var result = Sut.Count(expression, partitionKey);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.Count<TestDocument, Guid>(expression, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithExpressionAndPartitionKeyAndCancellationToken_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(count);
+
+        // Act
+        var result = Sut.Count(expression, partitionKey, token);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.Count<TestDocument, Guid>(expression, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader(long count)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.Count<TestDocument, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(count);
+    }
+
+    #region Keyed
+
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> keyedExpression = document => document.SomeContent == "SomeContent";
+
+    private readonly FilterDefinition<TestDocumentWithKey<int>> keyedFilter = Builders<TestDocumentWithKey<int>>.Filter.Eq(
+        document => document.SomeContent,
+        "SomeContent");
+
+    [Fact]
+    public void Keyed_WithExpression_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+
+        SetupKeyedReader(count);
+
+        // Act
+        var result = Sut.Count<TestDocumentWithKey<int>, int>(keyedExpression);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.Count<TestDocumentWithKey<int>, int>(keyedExpression, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithExpressionAndCancellationToken_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(count);
+
+        // Act
+        var result = Sut.Count<TestDocumentWithKey<int>, int>(keyedExpression, token);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.Count<TestDocumentWithKey<int>, int>(keyedExpression, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithExpressionAndPartitionKey_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReader(count);
+
+        // Act
+        var result = Sut.Count<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.Count<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithExpressionAndPartitionKeyAndCancellationToken_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(count);
+
+        // Act
+        var result = Sut.Count<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, token);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.Count<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupKeyedReader(long count)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.Count<TestDocumentWithKey<int>, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(count);
+    }
+
+    [Fact]
+    public void Keyed_WithFilter_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+
+        SetupKeyedReaderWithFilter(count);
+
+        // Act
+        var result = Sut.Count<TestDocumentWithKey<int>, int>(keyedFilter);
+
+        // Assert
+        Reader.Verify(
+            x => x.Count<TestDocumentWithKey<int>, int>(keyedFilter, null, null, CancellationToken.None),
+            Times.Once);
+        result.Should().Be(count);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndCountOptions_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var countOptions = new CountOptions();
+
+        SetupKeyedReaderWithFilter(count);
+
+        // Act
+        var result = Sut.Count<TestDocumentWithKey<int>, int>(keyedFilter, countOptions);
+
+        // Assert
+        Reader.Verify(
+            x => x.Count<TestDocumentWithKey<int>, int>(keyedFilter, countOptions, null, CancellationToken.None),
+            Times.Once);
+        result.Should().Be(count);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndCancellationToken_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderWithFilter(count);
+
+        // Act
+        var result = Sut.Count<TestDocumentWithKey<int>, int>(keyedFilter, token);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.Count<TestDocumentWithKey<int>, int>(keyedFilter, null, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndCountOptionsAndCancellationToken_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var token = new CancellationToken(true);
+        var countOptions = new CountOptions();
+
+        SetupKeyedReaderWithFilter(count);
+
+        // Act
+        var result = Sut.Count<TestDocumentWithKey<int>, int>(keyedFilter, countOptions,  token);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.Count<TestDocumentWithKey<int>, int>(keyedFilter, countOptions, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndPartitionKey_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReaderWithFilter(count);
+
+        // Act
+        var result = Sut.Count<TestDocumentWithKey<int>, int>(keyedFilter, partitionKey);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.Count<TestDocumentWithKey<int>, int>(keyedFilter, null, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndCountOptionsAndPartitionKey_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var partitionKey = Fixture.Create<string>();
+        var countOptions = new CountOptions();
+
+        SetupKeyedReaderWithFilter(count);
+
+        // Act
+        var result = Sut.Count<TestDocumentWithKey<int>, int>(keyedFilter, countOptions, partitionKey);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.Count<TestDocumentWithKey<int>, int>(keyedFilter, countOptions, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndPartitionKeyAndCancellationToken_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderWithFilter(count);
+
+        // Act
+        var result = Sut.Count<TestDocumentWithKey<int>, int>(keyedFilter, partitionKey, token);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.Count<TestDocumentWithKey<int>, int>(keyedFilter, null, partitionKey, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndCountOptionsAndPartitionKeyAndCancellationToken_Counts()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+        var countOptions = new CountOptions();
+
+        SetupKeyedReaderWithFilter(count);
+
+        // Act
+        var result = Sut.Count<TestDocumentWithKey<int>, int>(keyedFilter, countOptions, partitionKey, token);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.Count<TestDocumentWithKey<int>, int>(keyedFilter, countOptions, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupKeyedReaderWithFilter(long count)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.Count<TestDocumentWithKey<int>, int>(
+                    It.IsAny<FilterDefinition<TestDocumentWithKey<int>>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(count);
+    }
+
+    #endregion
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/GetAllAsyncTests.cs

@@ -0,0 +1,389 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Threading;
+using System.Threading.Tasks;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDB.Driver;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class GetAllAsyncTests : TestReadOnlyMongoRepositoryContext
+{
+    private readonly Expression<Func<TestDocument, bool>> expression = document => document.SomeContent == "SomeContent";
+
+    [Fact]
+    public async Task WithExpression_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocument>().ToList();
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetAllAsync(expression);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAllAsync<TestDocument, Guid>(expression, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithExpressionAndCancellationToken_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocument>().ToList();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetAllAsync(expression, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAllAsync<TestDocument, Guid>(expression, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithExpressionAndPartitionKey_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetAllAsync(expression, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAllAsync<TestDocument, Guid>(expression, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithExpressionAndPartitionKeyAndCancellationToken_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetAllAsync(expression, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAllAsync<TestDocument, Guid>(expression, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader(List<TestDocument> documents)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetAllAsync<TestDocument, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(documents);
+    }
+
+    #region Keyed
+
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> keyedExpression = document => document.SomeContent == "SomeContent";
+    private readonly FilterDefinition<TestDocumentWithKey<int>> keyedFilter = Builders<TestDocumentWithKey<int>>.Filter.Eq(document => document.SomeContent, "SomeContent");
+
+    [Fact]
+    public async Task Keyed_WithExpression_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetAllAsync<TestDocumentWithKey<int>, int>(keyedExpression);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAllAsync<TestDocumentWithKey<int>, int>(keyedExpression, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithExpressionAndCancellationToken_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetAllAsync<TestDocumentWithKey<int>, int>(keyedExpression, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAllAsync<TestDocumentWithKey<int>, int>(keyedExpression, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithExpressionAndPartitionKey_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetAllAsync<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAllAsync<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithExpressionAndPartitionKeyAndCancellationToken_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetAllAsync<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAllAsync<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilter_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+
+        SetupReaderWithFilter(document);
+
+        // Act
+        var result = await Sut.GetAllAsync<TestDocumentWithKey<int>, int>(keyedFilter);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAllAsync<TestDocumentWithKey<int>, int>(keyedFilter, null, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndOptions_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+        var options = new FindOptions();
+
+        SetupReaderWithFilter(document);
+
+        // Act
+        var result = await Sut.GetAllAsync<TestDocumentWithKey<int>, int>(keyedFilter, options);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAllAsync<TestDocumentWithKey<int>, int>(keyedFilter, options, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndCancellationToken_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+        var token = new CancellationToken(true);
+
+        SetupReaderWithFilter(document);
+
+        // Act
+        var result = await Sut.GetAllAsync<TestDocumentWithKey<int>, int>(keyedFilter, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAllAsync<TestDocumentWithKey<int>, int>(keyedFilter, null, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndFindOptionsAndCancellationToken_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+        var token = new CancellationToken(true);
+        var options = new FindOptions();
+
+        SetupReaderWithFilter(document);
+
+        // Act
+        var result = await Sut.GetAllAsync<TestDocumentWithKey<int>, int>(keyedFilter, options, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAllAsync<TestDocumentWithKey<int>, int>(keyedFilter, options, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndPartitionKey_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReaderWithFilter(document);
+
+        // Act
+        var result = await Sut.GetAllAsync<TestDocumentWithKey<int>, int>(keyedFilter, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAllAsync<TestDocumentWithKey<int>, int>(keyedFilter, null, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndFindOptionsAndPartitionKey_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var options = new FindOptions();
+
+        SetupReaderWithFilter(document);
+
+        // Act
+        var result = await Sut.GetAllAsync<TestDocumentWithKey<int>, int>(keyedFilter, options, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAllAsync<TestDocumentWithKey<int>, int>(keyedFilter, options, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndPartitionKeyAndCancellationToken_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReaderWithFilter(document);
+
+        // Act
+        var result = await Sut.GetAllAsync<TestDocumentWithKey<int>, int>(keyedFilter, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAllAsync<TestDocumentWithKey<int>, int>(keyedFilter, null, partitionKey, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndFindOptionsAndPartitionKeyAndCancellationToken_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+        var options = new FindOptions();
+
+        SetupReaderWithFilter(document);
+
+        // Act
+        var result = await Sut.GetAllAsync<TestDocumentWithKey<int>, int>(keyedFilter, options, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAllAsync<TestDocumentWithKey<int>, int>(keyedFilter, options, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReaderWithFilter(List<TestDocumentWithKey<int>> documents)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetAllAsync<TestDocumentWithKey<int>, int>(
+                    It.IsAny<FilterDefinition<TestDocumentWithKey<int>>>(),
+                    It.IsAny<FindOptions>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(documents);
+    }
+
+    private void SetupReader(List<TestDocumentWithKey<int>> documents)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetAllAsync<TestDocumentWithKey<int>, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(documents);
+    }
+
+    #endregion
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/GetAllTests.cs

@@ -0,0 +1,388 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Threading;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDB.Driver;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class GetAllTests : TestReadOnlyMongoRepositoryContext
+{
+    private readonly Expression<Func<TestDocument, bool>> expression = document => document.SomeContent == "SomeContent";
+
+    [Fact]
+    public void WithExpression_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocument>().ToList();
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetAll(expression);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAll<TestDocument, Guid>(expression, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithExpressionAndCancellationToken_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocument>().ToList();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetAll(expression, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAll<TestDocument, Guid>(expression, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithExpressionAndPartitionKey_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetAll(expression, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAll<TestDocument, Guid>(expression, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithExpressionAndPartitionKeyAndCancellationToken_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetAll(expression, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAll<TestDocument, Guid>(expression, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader(List<TestDocument> documents)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetAll<TestDocument, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(documents);
+    }
+
+    #region Keyed
+
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> keyedExpression = document => document.SomeContent == "SomeContent";
+    private readonly FilterDefinition<TestDocumentWithKey<int>> keyedFilter = Builders<TestDocumentWithKey<int>>.Filter.Eq(document => document.SomeContent, "SomeContent");
+
+    [Fact]
+    public void Keyed_WithExpression_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+
+        SetupKeyedReader(document);
+
+        // Act
+        var result = Sut.GetAll<TestDocumentWithKey<int>, int>(keyedExpression);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAll<TestDocumentWithKey<int>, int>(keyedExpression, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithExpressionAndCancellationToken_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(document);
+
+        // Act
+        var result = Sut.GetAll<TestDocumentWithKey<int>, int>(keyedExpression, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAll<TestDocumentWithKey<int>, int>(keyedExpression, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithExpressionAndPartitionKey_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReader(document);
+
+        // Act
+        var result = Sut.GetAll<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAll<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithExpressionAndPartitionKeyAndCancellationToken_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(document);
+
+        // Act
+        var result = Sut.GetAll<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAll<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilter_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = Sut.GetAll<TestDocumentWithKey<int>, int>(keyedFilter);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAll<TestDocumentWithKey<int>, int>(keyedFilter, null, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndFindOptions_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+        var options = new FindOptions();
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = Sut.GetAll<TestDocumentWithKey<int>, int>(keyedFilter, options);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAll<TestDocumentWithKey<int>, int>(keyedFilter, options, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndCancellationToken_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = Sut.GetAll<TestDocumentWithKey<int>, int>(keyedFilter, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAll<TestDocumentWithKey<int>, int>(keyedFilter, null, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndFindOptionsAndCancellationToken_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+        var token = new CancellationToken(true);
+        var options = new FindOptions();
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = Sut.GetAll<TestDocumentWithKey<int>, int>(keyedFilter, options, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAll<TestDocumentWithKey<int>, int>(keyedFilter, options, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndPartitionKey_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = Sut.GetAll<TestDocumentWithKey<int>, int>(keyedFilter, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAll<TestDocumentWithKey<int>, int>(keyedFilter, null, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndFindOptionsAndPartitionKey_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var options = new FindOptions();
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = Sut.GetAll<TestDocumentWithKey<int>, int>(keyedFilter, options, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAll<TestDocumentWithKey<int>, int>(keyedFilter, options, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndPartitionKeyAndCancellationToken_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = Sut.GetAll<TestDocumentWithKey<int>, int>(keyedFilter, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAll<TestDocumentWithKey<int>, int>(keyedFilter, null, partitionKey, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndFindOptionsAndPartitionKeyAndCancellationToken_GetsAll()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocumentWithKey<int>>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+        var options = new FindOptions();
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = Sut.GetAll<TestDocumentWithKey<int>, int>(keyedFilter, options, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAll<TestDocumentWithKey<int>, int>(keyedFilter, options, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupKeyedReaderWithFilter(List<TestDocumentWithKey<int>> documents)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetAll<TestDocumentWithKey<int>, int>(
+                    It.IsAny<FilterDefinition<TestDocumentWithKey<int>>>(),
+                    It.IsAny<FindOptions>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(documents);
+    }
+
+    private void SetupKeyedReader(List<TestDocumentWithKey<int>> documents)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetAll<TestDocumentWithKey<int>, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(documents);
+    }
+
+    #endregion
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/GetByIdAsyncTests.cs

@@ -0,0 +1,203 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class GetByIdAsyncTests : TestReadOnlyMongoRepositoryContext
+{
+    [Fact]
+    public async Task WithId_Gets()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetByIdAsync<TestDocument>(document.Id);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByIdAsync<TestDocument, Guid>(document.Id, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithIdAndCancellationToken_Gets()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetByIdAsync<TestDocument>(document.Id, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByIdAsync<TestDocument, Guid>(document.Id, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithIdAndPartitionKey_Gets()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetByIdAsync<TestDocument>(document.Id, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByIdAsync<TestDocument, Guid>(document.Id, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithIdAndPartitionKeyAndCancellationToken_Gets()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetByIdAsync<TestDocument>(document.Id, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByIdAsync<TestDocument, Guid>(document.Id, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader(TestDocument document)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetByIdAsync<TestDocument, Guid>(
+                    It.IsAny<Guid>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(document);
+    }
+
+    #region Keyed
+
+    [Fact]
+    public async Task Keyed_WithId_Gets()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+
+        SetupKeyedReader(document);
+
+        // Act
+        var result = await Sut.GetByIdAsync<TestDocumentWithKey<int>, int>(document.Id);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByIdAsync<TestDocumentWithKey<int>, int>(document.Id, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithIdAndCancellationToken_Gets()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(document);
+
+        // Act
+        var result = await Sut.GetByIdAsync<TestDocumentWithKey<int>, int>(document.Id, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByIdAsync<TestDocumentWithKey<int>, int>(document.Id, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithIdAndPartitionKey_Gets()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReader(document);
+
+        // Act
+        var result = await Sut.GetByIdAsync<TestDocumentWithKey<int>, int>(document.Id, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByIdAsync<TestDocumentWithKey<int>, int>(document.Id, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithIdAndPartitionKeyAndCancellationToken_Gets()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(document);
+
+        // Act
+        var result = await Sut.GetByIdAsync<TestDocumentWithKey<int>, int>(document.Id, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByIdAsync<TestDocumentWithKey<int>, int>(document.Id, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupKeyedReader(TestDocumentWithKey<int> document)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetByIdAsync<TestDocumentWithKey<int>, int>(
+                    It.IsAny<int>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(document);
+    }
+
+    #endregion
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/GetByIdTests.cs

@@ -0,0 +1,202 @@
+using System;
+using System.Threading;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class GetByIdTests : TestReadOnlyMongoRepositoryContext
+{
+    [Fact]
+    public void WithId_Gets()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetById<TestDocument>(document.Id);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetById<TestDocument, Guid>(document.Id, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithIdAndCancellationToken_Gets()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetById<TestDocument>(document.Id, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetById<TestDocument, Guid>(document.Id, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithIdAndPartitionKey_Gets()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetById<TestDocument>(document.Id, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetById<TestDocument, Guid>(document.Id, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithIdAndPartitionKeyAndCancellationToken_Gets()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetById<TestDocument>(document.Id, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetById<TestDocument, Guid>(document.Id, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader(TestDocument document)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetById<TestDocument, Guid>(
+                    It.IsAny<Guid>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(document);
+    }
+
+    #region Keyed
+
+    [Fact]
+    public void Keyed_WithId_Gets()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+
+        SetupKeyedReader(document);
+
+        // Act
+        var result = Sut.GetById<TestDocumentWithKey<int>, int>(document.Id);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetById<TestDocumentWithKey<int>, int>(document.Id, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithIdAndCancellationToken_Gets()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(document);
+
+        // Act
+        var result = Sut.GetById<TestDocumentWithKey<int>, int>(document.Id, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetById<TestDocumentWithKey<int>, int>(document.Id, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithIdAndPartitionKey_Gets()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReader(document);
+
+        // Act
+        var result = Sut.GetById<TestDocumentWithKey<int>, int>(document.Id, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetById<TestDocumentWithKey<int>, int>(document.Id, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithIdAndPartitionKeyAndCancellationToken_Gets()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(document);
+
+        // Act
+        var result = Sut.GetById<TestDocumentWithKey<int>, int>(document.Id, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetById<TestDocumentWithKey<int>, int>(document.Id, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupKeyedReader(TestDocumentWithKey<int> document)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetById<TestDocumentWithKey<int>, int>(
+                    It.IsAny<int>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(document);
+    }
+
+    #endregion
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/GetByMaxAsyncTests.cs

@@ -0,0 +1,212 @@
+using System;
+using System.Linq.Expressions;
+using System.Threading;
+using System.Threading.Tasks;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class GetByMaxAsyncTests : TestReadOnlyMongoRepositoryContext
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocument, object>> selector = document => document.SomeValue;
+
+    [Fact]
+    public async Task WithFilterAndSelector_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetByMaxAsync(filter, selector);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMaxAsync<TestDocument, Guid>(filter, selector, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSelectorAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetByMaxAsync(filter, selector, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMaxAsync<TestDocument, Guid>(filter, selector, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSelectorAndPartitionKey_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetByMaxAsync(filter, selector, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMaxAsync<TestDocument, Guid>(filter, selector, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetByMaxAsync(filter, selector, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMaxAsync<TestDocument, Guid>(filter, selector, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader(TestDocument document)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetByMaxAsync<TestDocument, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocument, object>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(document);
+    }
+
+    #region Keyed
+
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> keyedFilter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, object>> keyedSelector = document => document.SomeValue;
+
+    [Fact]
+    public async Task Keyed_WithFilterAndSelector_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetByMaxAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMaxAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndSelectorAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetByMaxAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMaxAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndSelectorAndPartitionKey_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetByMaxAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMaxAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetByMaxAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMaxAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader(TestDocumentWithKey<int> document)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetByMaxAsync<TestDocumentWithKey<int>, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, object>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(document);
+    }
+
+    #endregion
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/GetByMaxTests.cs

@@ -0,0 +1,211 @@
+using System;
+using System.Linq.Expressions;
+using System.Threading;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class GetByMaxTests : TestReadOnlyMongoRepositoryContext
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocument, object>> selector = document => document.SomeValue;
+
+    [Fact]
+    public void WithFilterAndSelector_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetByMax(filter, selector);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMax<TestDocument, Guid>(filter, selector, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndSelectorAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetByMax(filter, selector, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMax<TestDocument, Guid>(filter, selector, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndSelectorAndPartitionKey_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetByMax(filter, selector, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMax<TestDocument, Guid>(filter, selector, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetByMax(filter, selector, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMax<TestDocument, Guid>(filter, selector, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader(TestDocument document)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetByMax<TestDocument, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocument, object>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(document);
+    }
+
+    #region Keyed
+
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> keyedFilter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, object>> keyedSelector = document => document.SomeValue;
+
+    [Fact]
+    public void Keyed_WithFilterAndSelector_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetByMax<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMax<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndSelectorAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetByMax<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMax<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndSelectorAndPartitionKey_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetByMax<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMax<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetByMax<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMax<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader(TestDocumentWithKey<int> document)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetByMax<TestDocumentWithKey<int>, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, object>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(document);
+    }
+
+    #endregion
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/GetByMinAsyncTests.cs

@@ -0,0 +1,212 @@
+using System;
+using System.Linq.Expressions;
+using System.Threading;
+using System.Threading.Tasks;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class GetByMinAsyncTests : TestReadOnlyMongoRepositoryContext
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocument, object>> selector = document => document.SomeValue;
+
+    [Fact]
+    public async Task WithFilterAndSelector_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetByMinAsync(filter, selector);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMinAsync<TestDocument, Guid>(filter, selector, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSelectorAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetByMinAsync(filter, selector, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMinAsync<TestDocument, Guid>(filter, selector, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSelectorAndPartitionKey_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetByMinAsync(filter, selector, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMinAsync<TestDocument, Guid>(filter, selector, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetByMinAsync(filter, selector, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMinAsync<TestDocument, Guid>(filter, selector, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader(TestDocument document)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetByMinAsync<TestDocument, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocument, object>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(document);
+    }
+
+    #region Keyed
+
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> keyedFilter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, object>> keyedSelector = document => document.SomeValue;
+
+    [Fact]
+    public async Task Keyed_WithFilterAndSelector_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+
+        SetupKeyedReader(document);
+
+        // Act
+        var result = await Sut.GetByMinAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMinAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndSelectorAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(document);
+
+        // Act
+        var result = await Sut.GetByMinAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMinAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndSelectorAndPartitionKey_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReader(document);
+
+        // Act
+        var result = await Sut.GetByMinAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMinAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(document);
+
+        // Act
+        var result = await Sut.GetByMinAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMinAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupKeyedReader(TestDocumentWithKey<int> document)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetByMinAsync<TestDocumentWithKey<int>, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, object>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(document);
+    }
+
+    #endregion
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/GetByMinTests.cs

@@ -0,0 +1,211 @@
+using System;
+using System.Linq.Expressions;
+using System.Threading;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class GetByMinTests : TestReadOnlyMongoRepositoryContext
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocument, object>> selector = document => document.SomeValue;
+
+    [Fact]
+    public void WithFilterAndSelector_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetByMin(filter, selector);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMin<TestDocument, Guid>(filter, selector, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndSelectorAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetByMin(filter, selector, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMin<TestDocument, Guid>(filter, selector, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndSelectorAndPartitionKey_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetByMin(filter, selector, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMin<TestDocument, Guid>(filter, selector, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetByMin(filter, selector, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMin<TestDocument, Guid>(filter, selector, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader(TestDocument document)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetByMin<TestDocument, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocument, object>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(document);
+    }
+
+    #region Keyed
+
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> keyedFilter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, object>> keyedSelector = document => document.SomeValue;
+
+    [Fact]
+    public void Keyed_WithFilterAndSelector_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetByMin<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMin<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndSelectorAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetByMin<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMin<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndSelectorAndPartitionKey_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetByMin<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMin<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetByMin<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetByMin<TestDocumentWithKey<int>, int>(keyedFilter, keyedSelector, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader(TestDocumentWithKey<int> document)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetByMin<TestDocumentWithKey<int>, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, object>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(document);
+    }
+
+    #endregion
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/GetMaxValueAsyncTests.cs

@@ -0,0 +1,204 @@
+using System;
+using System.Linq.Expressions;
+using System.Threading;
+using System.Threading.Tasks;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class GetMaxValueAsyncTests : TestReadOnlyMongoRepositoryContext
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocument, int>> selector = document => document.SomeValue;
+
+    [Fact]
+    public async Task WithFilterAndSelector_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+
+        SetupReader(value);
+
+        // Act
+        var result = await Sut.GetMaxValueAsync(filter, selector);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMaxValueAsync<TestDocument, Guid, int>(filter, selector, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSelectorAndCancellationToken_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var token = new CancellationToken(true);
+
+        SetupReader(value);
+
+        // Act
+        var result = await Sut.GetMaxValueAsync(filter, selector, token);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMaxValueAsync<TestDocument, Guid, int>(filter, selector, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSelectorAndPartitionKey_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(value);
+
+        // Act
+        var result = await Sut.GetMaxValueAsync(filter, selector, partitionKey);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMaxValueAsync<TestDocument, Guid, int>(filter, selector, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(value);
+
+        // Act
+        var result = await Sut.GetMaxValueAsync(filter, selector, partitionKey, token);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMaxValueAsync<TestDocument, Guid, int>(filter, selector, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader(int value)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetMaxValueAsync<TestDocument, Guid, int>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(value);
+    }
+
+    #region Keyed
+
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> keyedFilter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, int>> keyedSelector = document => document.SomeValue;
+
+    [Fact]
+    public async Task Keyed_WithFilterAndSelector_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+
+        SetupKeyedReader(value);
+
+        // Act
+        var result = await Sut.GetMaxValueAsync<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMaxValueAsync<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndSelectorAndCancellationToken_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(value);
+
+        // Act
+        var result = await Sut.GetMaxValueAsync<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, token);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMaxValueAsync<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndSelectorAndPartitionKey_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReader(value);
+
+        // Act
+        var result = await Sut.GetMaxValueAsync<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, partitionKey);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMaxValueAsync<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(value);
+
+        // Act
+        var result = await Sut.GetMaxValueAsync<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, partitionKey, token);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMaxValueAsync<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupKeyedReader(int value)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetMaxValueAsync<TestDocumentWithKey<int>, int, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(value);
+    }
+
+    #endregion
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/GetMaxValueTests.cs

@@ -0,0 +1,203 @@
+using System;
+using System.Linq.Expressions;
+using System.Threading;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class GetMaxValueTests : TestReadOnlyMongoRepositoryContext
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocument, int>> selector = document => document.SomeValue;
+
+    [Fact]
+    public void WithFilterAndSelector_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+
+        SetupReader(value);
+
+        // Act
+        var result = Sut.GetMaxValue(filter, selector);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMaxValue<TestDocument, Guid, int>(filter, selector, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndSelectorAndCancellationToken_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var token = new CancellationToken(true);
+
+        SetupReader(value);
+
+        // Act
+        var result = Sut.GetMaxValue(filter, selector, token);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMaxValue<TestDocument, Guid, int>(filter, selector, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndSelectorAndPartitionKey_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(value);
+
+        // Act
+        var result = Sut.GetMaxValue(filter, selector, partitionKey);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMaxValue<TestDocument, Guid, int>(filter, selector, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(value);
+
+        // Act
+        var result = Sut.GetMaxValue(filter, selector, partitionKey, token);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMaxValue<TestDocument, Guid, int>(filter, selector, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader(int value)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetMaxValue<TestDocument, Guid, int>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(value);
+    }
+
+    #region Keyed
+
+        private readonly Expression<Func<TestDocumentWithKey<int>, bool>> keyedFilter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, int>> keyedSelector = document => document.SomeValue;
+
+    [Fact]
+    public void Keyed_WithFilterAndSelector_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+
+        SetupKeyedReader(value);
+
+        // Act
+        var result = Sut.GetMaxValue<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMaxValue<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndSelectorAndCancellationToken_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(value);
+
+        // Act
+        var result = Sut.GetMaxValue<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, token);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMaxValue<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndSelectorAndPartitionKey_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReader(value);
+
+        // Act
+        var result = Sut.GetMaxValue<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, partitionKey);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMaxValue<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(value);
+
+        // Act
+        var result = Sut.GetMaxValue<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, partitionKey, token);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMaxValue<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupKeyedReader(int value)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetMaxValue<TestDocumentWithKey<int>, int, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(value);
+    }
+
+    #endregion
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/GetMinValueAsyncTests.cs

@@ -0,0 +1,204 @@
+using System;
+using System.Linq.Expressions;
+using System.Threading;
+using System.Threading.Tasks;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class GetMinValueAsyncTests : TestReadOnlyMongoRepositoryContext
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocument, int>> selector = document => document.SomeValue;
+
+    [Fact]
+    public async Task WithFilterAndSelector_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+
+        SetupReader(value);
+
+        // Act
+        var result = await Sut.GetMinValueAsync(filter, selector);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMinValueAsync<TestDocument, Guid, int>(filter, selector, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSelectorAndCancellationToken_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var token = new CancellationToken(true);
+
+        SetupReader(value);
+
+        // Act
+        var result = await Sut.GetMinValueAsync(filter, selector, token);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMinValueAsync<TestDocument, Guid, int>(filter, selector, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSelectorAndPartitionKey_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(value);
+
+        // Act
+        var result = await Sut.GetMinValueAsync(filter, selector, partitionKey);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMinValueAsync<TestDocument, Guid, int>(filter, selector, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(value);
+
+        // Act
+        var result = await Sut.GetMinValueAsync(filter, selector, partitionKey, token);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMinValueAsync<TestDocument, Guid, int>(filter, selector, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader(int value)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetMinValueAsync<TestDocument, Guid, int>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(value);
+    }
+
+    #region Keyed
+
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> keyedFilter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, int>> keyedSelector = document => document.SomeValue;
+
+    [Fact]
+    public async Task Keyed_WithFilterAndSelector_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+
+        SetupKeyedReader(value);
+
+        // Act
+        var result = await Sut.GetMinValueAsync<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMinValueAsync<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndSelectorAndCancellationToken_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(value);
+
+        // Act
+        var result = await Sut.GetMinValueAsync<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, token);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMinValueAsync<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndSelectorAndPartitionKey_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReader(value);
+
+        // Act
+        var result = await Sut.GetMinValueAsync<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, partitionKey);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMinValueAsync<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsMaxValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(value);
+
+        // Act
+        var result = await Sut.GetMinValueAsync<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, partitionKey, token);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMinValueAsync<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupKeyedReader(int value)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetMinValueAsync<TestDocumentWithKey<int>, int, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(value);
+    }
+
+    #endregion
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/GetMinValueTests.cs

@@ -0,0 +1,203 @@
+using System;
+using System.Linq.Expressions;
+using System.Threading;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class GetMinValueTests : TestReadOnlyMongoRepositoryContext
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocument, int>> selector = document => document.SomeValue;
+
+    [Fact]
+    public void WithFilterAndSelector_GetsMinValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+
+        SetupReader(value);
+
+        // Act
+        var result = Sut.GetMinValue(filter, selector);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMinValue<TestDocument, Guid, int>(filter, selector, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndSelectorAndCancellationToken_GetsMinValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var token = new CancellationToken(true);
+
+        SetupReader(value);
+
+        // Act
+        var result = Sut.GetMinValue(filter, selector, token);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMinValue<TestDocument, Guid, int>(filter, selector, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndSelectorAndPartitionKey_GetsMinValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(value);
+
+        // Act
+        var result = Sut.GetMinValue(filter, selector, partitionKey);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMinValue<TestDocument, Guid, int>(filter, selector, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsMinValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(value);
+
+        // Act
+        var result = Sut.GetMinValue(filter, selector, partitionKey, token);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMinValue<TestDocument, Guid, int>(filter, selector, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader(int value)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetMinValue<TestDocument, Guid, int>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(value);
+    }
+
+    #region Keyed
+
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> keyedFilter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, int>> keyedSelector = document => document.SomeValue;
+
+    [Fact]
+    public void Keyed_WithFilterAndSelector_GetsMinValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+
+        SetupKeyedReader(value);
+
+        // Act
+        var result = Sut.GetMinValue<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMinValue<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndSelectorAndCancellationToken_GetsMinValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(value);
+
+        // Act
+        var result = Sut.GetMinValue<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, token);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMinValue<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndSelectorAndPartitionKey_GetsMinValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReader(value);
+
+        // Act
+        var result = Sut.GetMinValue<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, partitionKey);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMinValue<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsMinValue()
+    {
+        // Arrange
+        var value = Fixture.Create<int>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(value);
+
+        // Act
+        var result = Sut.GetMinValue<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, partitionKey, token);
+
+        // Assert
+        result.Should().Be(value);
+        Reader.Verify(
+            x => x.GetMinValue<TestDocumentWithKey<int>, int, int>(keyedFilter, keyedSelector, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupKeyedReader(int value)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetMinValue<TestDocumentWithKey<int>, int, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(value);
+    }
+
+    #endregion
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/GetOneAsyncTests.cs

@@ -0,0 +1,387 @@
+using System;
+using System.Linq.Expressions;
+using System.Threading;
+using System.Threading.Tasks;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDB.Driver;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class GetOneAsyncTests : TestReadOnlyMongoRepositoryContext
+{
+    private readonly Expression<Func<TestDocument, bool>> expression = document => document.SomeContent == "SomeContent";
+
+    [Fact]
+    public async Task WithExpression_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetOneAsync(expression);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOneAsync<TestDocument, Guid>(expression, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithExpressionAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetOneAsync(expression, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOneAsync<TestDocument, Guid>(expression, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithExpressionAndPartitionKey_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetOneAsync(expression, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOneAsync<TestDocument, Guid>(expression, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithExpressionAndPartitionKeyAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetOneAsync(expression, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOneAsync<TestDocument, Guid>(expression, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader(TestDocument document)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetOneAsync<TestDocument, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(document);
+    }
+
+    #region Keyed
+
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> keyedExpression = document => document.SomeContent == "SomeContent";
+    private readonly FilterDefinition<TestDocumentWithKey<int>> keyedFilter = Builders<TestDocumentWithKey<int>>.Filter.Eq(document => document.SomeContent, "SomeContent");
+
+    [Fact]
+    public async Task Keyed_WithExpression_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetOneAsync<TestDocumentWithKey<int>, int>(keyedExpression);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOneAsync<TestDocumentWithKey<int>, int>(keyedExpression, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithExpressionAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetOneAsync<TestDocumentWithKey<int>, int>(keyedExpression, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOneAsync<TestDocumentWithKey<int>, int>(keyedExpression, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithExpressionAndPartitionKey_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetOneAsync<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOneAsync<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithExpressionAndPartitionKeyAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetOneAsync<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOneAsync<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilter_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = await Sut.GetOneAsync<TestDocumentWithKey<int>, int>(keyedFilter);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOneAsync<TestDocumentWithKey<int>, int>(keyedFilter, null, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndFindOptions_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var options = new FindOptions();
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = await Sut.GetOneAsync<TestDocumentWithKey<int>, int>(keyedFilter, options);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOneAsync<TestDocumentWithKey<int>, int>(keyedFilter, options, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = await Sut.GetOneAsync<TestDocumentWithKey<int>, int>(keyedFilter, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOneAsync<TestDocumentWithKey<int>, int>(keyedFilter, null, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndFindOptionsAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var token = new CancellationToken(true);
+        var options = new FindOptions();
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = await Sut.GetOneAsync<TestDocumentWithKey<int>, int>(keyedFilter, options, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOneAsync<TestDocumentWithKey<int>, int>(keyedFilter, options, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndPartitionKey_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = await Sut.GetOneAsync<TestDocumentWithKey<int>, int>(keyedFilter, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOneAsync<TestDocumentWithKey<int>, int>(keyedFilter,null, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndFindOptionsAndPartitionKey_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+        var options = new FindOptions();
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = await Sut.GetOneAsync<TestDocumentWithKey<int>, int>(keyedFilter, options, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOneAsync<TestDocumentWithKey<int>, int>(keyedFilter,options, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndPartitionKeyAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = await Sut.GetOneAsync<TestDocumentWithKey<int>, int>(keyedFilter, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOneAsync<TestDocumentWithKey<int>, int>(keyedFilter,null, partitionKey, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndFindOptionsAndPartitionKeyAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+        var options = new FindOptions();
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = await Sut.GetOneAsync<TestDocumentWithKey<int>, int>(keyedFilter, options, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOneAsync<TestDocumentWithKey<int>, int>(keyedFilter,options, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupKeyedReaderWithFilter(TestDocumentWithKey<int> document)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetOneAsync<TestDocumentWithKey<int>, int>(
+                    It.IsAny<FilterDefinition<TestDocumentWithKey<int>>>(),
+                    It.IsAny<FindOptions>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(document);
+    }
+
+    private void SetupReader(TestDocumentWithKey<int> document)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetOneAsync<TestDocumentWithKey<int>, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(document);
+    }
+
+    #endregion
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/GetOneTests.cs

@@ -0,0 +1,386 @@
+using System;
+using System.Linq.Expressions;
+using System.Threading;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDB.Driver;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class GetOneTests : TestReadOnlyMongoRepositoryContext
+{
+    private readonly Expression<Func<TestDocument, bool>> expression = document => document.SomeContent == "SomeContent";
+
+    [Fact]
+    public void WithExpression_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetOne(expression);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOne<TestDocument, Guid>(expression, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithExpressionAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetOne(expression, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOne<TestDocument, Guid>(expression, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithExpressionAndPartitionKey_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetOne(expression, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOne<TestDocument, Guid>(expression, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithExpressionAndPartitionKeyAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetOne(expression, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOne<TestDocument, Guid>(expression, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader(TestDocument document)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetOne<TestDocument, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(document);
+    }
+
+    #region Keyed
+
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> keyedExpression = document => document.SomeContent == "SomeContent";
+    private readonly FilterDefinition<TestDocumentWithKey<int>> keyedFilter = Builders<TestDocumentWithKey<int>>.Filter.Eq(document => document.SomeContent, "SomeContent");
+
+    [Fact]
+    public void Keyed_WithExpression_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+
+        SetupKeyedReader(document);
+
+        // Act
+        var result = Sut.GetOne<TestDocumentWithKey<int>, int>(keyedExpression);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOne<TestDocumentWithKey<int>, int>(keyedExpression, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithExpressionAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(document);
+
+        // Act
+        var result = Sut.GetOne<TestDocumentWithKey<int>, int>(keyedExpression, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOne<TestDocumentWithKey<int>, int>(keyedExpression, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithExpressionAndPartitionKey_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReader(document);
+
+        // Act
+        var result = Sut.GetOne<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOne<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithExpressionAndPartitionKeyAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(document);
+
+        // Act
+        var result = Sut.GetOne<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOne<TestDocumentWithKey<int>, int>(keyedExpression, partitionKey, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilter_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = Sut.GetOne<TestDocumentWithKey<int>, int>(keyedFilter);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOne<TestDocumentWithKey<int>, int>(keyedFilter, null, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndFindOptions_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var options = new FindOptions();
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = Sut.GetOne<TestDocumentWithKey<int>, int>(keyedFilter, options);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOne<TestDocumentWithKey<int>, int>(keyedFilter, options, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = Sut.GetOne<TestDocumentWithKey<int>, int>(keyedFilter, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOne<TestDocumentWithKey<int>, int>(keyedFilter, null, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndFindOptionsAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var token = new CancellationToken(true);
+        var options = new FindOptions();
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = Sut.GetOne<TestDocumentWithKey<int>, int>(keyedFilter, options, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOne<TestDocumentWithKey<int>, int>(keyedFilter, options, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndPartitionKey_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = Sut.GetOne<TestDocumentWithKey<int>, int>(keyedFilter, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOne<TestDocumentWithKey<int>, int>(keyedFilter, null, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndFindOptionsAndPartitionKey_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+        var options = new FindOptions();
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = Sut.GetOne<TestDocumentWithKey<int>, int>(keyedFilter, options, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOne<TestDocumentWithKey<int>, int>(keyedFilter, options, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndPartitionKeyAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = Sut.GetOne<TestDocumentWithKey<int>, int>(keyedFilter, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOne<TestDocumentWithKey<int>, int>(keyedFilter, null, partitionKey, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndFindOptionsAndPartitionKeyAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocumentWithKey<int>>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+        var options = new FindOptions();
+
+        SetupKeyedReaderWithFilter(document);
+
+        // Act
+        var result = Sut.GetOne<TestDocumentWithKey<int>, int>(keyedFilter, options, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOne<TestDocumentWithKey<int>, int>(keyedFilter, options, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupKeyedReader(TestDocumentWithKey<int> document)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetOne<TestDocumentWithKey<int>, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(document);
+    }
+
+    private void SetupKeyedReaderWithFilter(TestDocumentWithKey<int> document)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.GetOne<TestDocumentWithKey<int>, int>(
+                    It.IsAny<FilterDefinition<TestDocumentWithKey<int>>>(),
+                    It.IsAny<FindOptions>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(document);
+    }
+
+    #endregion
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/GetSortedPaginatedAsyncTests.cs

@@ -0,0 +1,246 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Threading;
+using System.Threading.Tasks;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDB.Driver;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class GetSortedPaginatedAsyncTests : TestReadOnlyMongoRepositoryContext
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = document => document.GroupingKey == 1;
+    private readonly Expression<Func<TestDocument, object>> selector = document => document.GroupingKey;
+    private readonly SortDefinition<TestDocument> sortDefinition = Builders<TestDocument>.Sort.Ascending(document => document.GroupingKey);
+
+    private const bool DefaultAscending = true;
+    private const int DefaultSkipNumber = 0;
+    private const int DefaultTakeNumber = 50;
+
+    [Fact]
+    public async Task WithFilterAndSortSelector_GetsResults()
+    {
+        // Arrange
+        var documents = SetupReaderWithSortSelector();
+
+        // Act
+        var result = await Sut.GetSortedPaginatedAsync(filter, selector);
+
+        // Assert
+        VerifySelector(result, documents, DefaultAscending, DefaultSkipNumber, DefaultTakeNumber, null, CancellationToken.None);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSortSelectorAndAscending_GetsResults()
+    {
+        // Arrange
+        var documents = SetupReaderWithSortSelector();
+        var ascending = Fixture.Create<bool>();
+
+        // Act
+        var result = await Sut.GetSortedPaginatedAsync(filter, selector, ascending);
+
+        // Assert
+        VerifySelector(result, documents, ascending, DefaultSkipNumber, DefaultTakeNumber, null, CancellationToken.None);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSortSelectorAndSkipNumber_GetsResults()
+    {
+        // Arrange
+        var documents = SetupReaderWithSortSelector();
+        var skipNumber = Fixture.Create<int>();
+
+        // Act
+        var result = await Sut.GetSortedPaginatedAsync(filter, selector, skipNumber: skipNumber);
+
+        // Assert
+        VerifySelector(result, documents, DefaultAscending, skipNumber, DefaultTakeNumber, null, CancellationToken.None);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSortSelectorAndTakeNumber_GetsResults()
+    {
+        // Arrange
+        var documents = SetupReaderWithSortSelector();
+        var ascending = Fixture.Create<bool>();
+        var takeNumber = Fixture.Create<int>();
+
+        // Act
+        var result = await Sut.GetSortedPaginatedAsync(filter, selector, ascending, takeNumber: takeNumber);
+
+        // Assert
+        VerifySelector(result, documents, ascending, DefaultSkipNumber, takeNumber, null, CancellationToken.None);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSortSelectorAndPartitionKey_GetsResults()
+    {
+        // Arrange
+        var documents = SetupReaderWithSortSelector();
+        var partitionKey = Fixture.Create<string>();
+
+        // Act
+        var result = await Sut.GetSortedPaginatedAsync(filter, selector, partitionKey: partitionKey);
+
+        // Assert
+        VerifySelector(result, documents, DefaultAscending, DefaultSkipNumber, DefaultTakeNumber, partitionKey, CancellationToken.None);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSortSelectorAndCancellationToken_GetsResults()
+    {
+        // Arrange
+        var documents = SetupReaderWithSortSelector();
+        var cancellationToken = new CancellationToken(true);
+
+        // Act
+        var result = await Sut.GetSortedPaginatedAsync(filter, selector, cancellationToken: cancellationToken);
+
+        // Assert
+        VerifySelector(result, documents, DefaultAscending, DefaultSkipNumber, DefaultTakeNumber, null, cancellationToken);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSortDefinition_GetsResults()
+    {
+        // Arrange
+        var documents = SetupReaderWithSortDefinition();
+
+        // Act
+        var result = await Sut.GetSortedPaginatedAsync(filter, sortDefinition);
+
+        // Assert
+        VerifyDefinition(result, documents, DefaultSkipNumber, DefaultTakeNumber, null, CancellationToken.None);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSortDefinitionAndSkipNumber_GetsResults()
+    {
+        // Arrange
+        var documents = SetupReaderWithSortDefinition();
+        var skipNumber = Fixture.Create<int>();
+
+        // Act
+        var result = await Sut.GetSortedPaginatedAsync(filter, sortDefinition, skipNumber);
+
+        // Assert
+        VerifyDefinition(result, documents, skipNumber, DefaultTakeNumber, null, CancellationToken.None);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSortDefinitionAndTakeNumber_GetsResults()
+    {
+        // Arrange
+        var documents = SetupReaderWithSortDefinition();
+        var takeNumber = Fixture.Create<int>();
+
+        // Act
+        var result = await Sut.GetSortedPaginatedAsync(filter, sortDefinition, takeNumber: takeNumber);
+
+        // Assert
+        VerifyDefinition(result, documents, DefaultSkipNumber, takeNumber, null, CancellationToken.None);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSortDefinitionAndPartitionKey_GetsResults()
+    {
+        // Arrange
+        var documents = SetupReaderWithSortDefinition();
+        var partitionKey = Fixture.Create<string>();
+
+        // Act
+        var result = await Sut.GetSortedPaginatedAsync(filter, sortDefinition, partitionKey: partitionKey);
+
+        // Assert
+        VerifyDefinition(result, documents, DefaultSkipNumber, DefaultTakeNumber, partitionKey, CancellationToken.None);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSortDefinitionAndCancellationToken_GetsResults()
+    {
+        // Arrange
+        var documents = SetupReaderWithSortDefinition();
+        var token = new CancellationToken(true);
+
+        // Act
+        var result = await Sut.GetSortedPaginatedAsync(filter, sortDefinition, cancellationToken: token);
+
+        // Assert
+        VerifyDefinition(result, documents, DefaultSkipNumber, DefaultTakeNumber, null, token);
+    }
+
+    private List<TestDocument> SetupReaderWithSortSelector()
+    {
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        Reader = new Mock<IMongoDbReader>();
+
+        Reader.Setup(
+                x => x.GetSortedPaginatedAsync<TestDocument, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocument, object>>>(),
+                    It.IsAny<bool>(),
+                    It.IsAny<int>(),
+                    It.IsAny<int>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(documents);
+        return documents;
+    }
+
+    private void VerifySelector(List<TestDocument> result, List<TestDocument> documents, bool ascending, int skipNumber, int takeNumber, string partitionKey, CancellationToken cancellationToken)
+    {
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(documents);
+        Reader.Verify(
+            x => x.GetSortedPaginatedAsync<TestDocument, Guid>(
+                filter,
+                selector,
+                ascending,
+                skipNumber,
+                takeNumber,
+                partitionKey,
+                cancellationToken),
+            Times.Once);
+    }
+
+    private List<TestDocument> SetupReaderWithSortDefinition()
+    {
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        Reader = new Mock<IMongoDbReader>();
+
+        Reader.Setup(
+                x => x.GetSortedPaginatedAsync<TestDocument, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<SortDefinition<TestDocument>>(),
+                    It.IsAny<int>(),
+                    It.IsAny<int>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(documents);
+        return documents;
+    }
+
+    private void VerifyDefinition(List<TestDocument> result, List<TestDocument> documents, int skipNumber, int takeNumber, string partitionKey, CancellationToken cancellationToken)
+    {
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(documents);
+        Reader.Verify(
+            x => x.GetSortedPaginatedAsync<TestDocument, Guid>(
+                filter,
+                sortDefinition,
+                skipNumber,
+                takeNumber,
+                partitionKey,
+                cancellationToken),
+            Times.Once);
+    }
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/GroupByTests.cs

@@ -0,0 +1,474 @@
+using System;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Threading;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class GroupByTests : TestReadOnlyMongoRepositoryContext
+{
+    private readonly Expression<Func<TestDocument, int>> grouping = document => document.GroupingKey;
+    private readonly Expression<Func<IGrouping<int, TestDocument>, TestProjection>> projection = documents => new TestProjection {Count = documents.Count()};
+    private readonly Expression<Func<TestDocument, bool>> filter = document => document.GroupingKey == 1;
+
+    [Fact]
+    public void WithGroupingCriteriaAndProjection_Groups()
+    {
+        // Arrange
+        var projections = Fixture.CreateMany<TestProjection>().ToList();
+        Reader = new Mock<IMongoDbReader>();
+
+        Reader.Setup(
+                x => x.GroupBy<TestDocument, int, TestProjection, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocument>, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(projections);
+
+        // Act
+        var result = Sut.GroupBy(grouping, projection);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(projections);
+        Reader.Verify(
+            x => x.GroupBy<TestDocument, int, TestProjection, Guid>(grouping, projection, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithGroupingCriteriaAndProjectionAndCancellationToken_Groups()
+    {
+        // Arrange
+        var projections = Fixture.CreateMany<TestProjection>().ToList();
+        var token = new CancellationToken(true);
+        Reader = new Mock<IMongoDbReader>();
+
+        Reader
+            .Setup(
+                x => x.GroupBy<TestDocument, int, TestProjection, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocument>, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(projections);
+
+        // Act
+        var result = Sut.GroupBy(grouping, projection, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(projections);
+        Reader.Verify(
+            x => x.GroupBy<TestDocument, int, TestProjection, Guid>(grouping, projection, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithGroupingCriteriaAndProjectionAndPartitionKey_Groups()
+    {
+        // Arrange
+        var projections = Fixture.CreateMany<TestProjection>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        Reader = new Mock<IMongoDbReader>();
+
+        Reader
+            .Setup(
+                x => x.GroupBy<TestDocument, int, TestProjection, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocument>, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(projections);
+
+        // Act
+        var result = Sut.GroupBy(grouping, projection, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(projections);
+        Reader.Verify(
+            x => x.GroupBy<TestDocument, int, TestProjection, Guid>(grouping, projection, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithGroupingCriteriaAndProjectionAndPartitionKeyAndCancellationToken_Groups()
+    {
+        // Arrange
+        var projections = Fixture.CreateMany<TestProjection>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+        Reader = new Mock<IMongoDbReader>();
+
+        Reader
+            .Setup(
+                x => x.GroupBy<TestDocument, int, TestProjection, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocument>, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(projections);
+
+        // Act
+        var result = Sut.GroupBy(grouping, projection, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(projections);
+        Reader.Verify(
+            x => x.GroupBy<TestDocument, int, TestProjection, Guid>(grouping, projection, partitionKey, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndGroupingCriteriaAndProjection_Groups()
+    {
+        // Arrange
+        var projections = Fixture.CreateMany<TestProjection>().ToList();
+        Reader = new Mock<IMongoDbReader>();
+
+        Reader.Setup(
+                x => x.GroupBy<TestDocument, int, TestProjection, Guid>(
+                    It.IsAny<Expression<Func<TestDocument,bool>>>(),
+                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocument>, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(projections);
+
+        // Act
+        var result = Sut.GroupBy(filter, grouping, projection);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(projections);
+        Reader.Verify(
+            x => x.GroupBy<TestDocument, int, TestProjection, Guid>(filter, grouping, projection, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndGroupingCriteriaAndProjectionAndCancellationToken_Groups()
+    {
+        // Arrange
+        var projections = Fixture.CreateMany<TestProjection>().ToList();
+        var token = new CancellationToken(true);
+        Reader = new Mock<IMongoDbReader>();
+
+        Reader.Setup(
+                x => x.GroupBy<TestDocument, int, TestProjection, Guid>(
+                    It.IsAny<Expression<Func<TestDocument,bool>>>(),
+                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocument>, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(projections);
+
+        // Act
+        var result = Sut.GroupBy(filter, grouping, projection, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(projections);
+        Reader.Verify(
+            x => x.GroupBy<TestDocument, int, TestProjection, Guid>(filter, grouping, projection, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndGroupingCriteriaAndProjectionAndPartitionKey_Groups()
+    {
+        // Arrange
+        var projections = Fixture.CreateMany<TestProjection>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        Reader = new Mock<IMongoDbReader>();
+
+        Reader.Setup(
+                x => x.GroupBy<TestDocument, int, TestProjection, Guid>(
+                    It.IsAny<Expression<Func<TestDocument,bool>>>(),
+                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocument>, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(projections);
+
+        // Act
+        var result = Sut.GroupBy(filter, grouping, projection, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(projections);
+        Reader.Verify(
+            x => x.GroupBy<TestDocument, int, TestProjection, Guid>(filter, grouping, projection, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndGroupingCriteriaAndProjectionAndPartitionKeyAndCancellationToken_Groups()
+    {
+        // Arrange
+        var projections = Fixture.CreateMany<TestProjection>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+        Reader = new Mock<IMongoDbReader>();
+
+        Reader.Setup(
+                x => x.GroupBy<TestDocument, int, TestProjection, Guid>(
+                    It.IsAny<Expression<Func<TestDocument,bool>>>(),
+                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocument>, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(projections);
+
+        // Act
+        var result = Sut.GroupBy(filter, grouping, projection, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(projections);
+        Reader.Verify(
+            x => x.GroupBy<TestDocument, int, TestProjection, Guid>(filter, grouping, projection, partitionKey, token),
+            Times.Once);
+    }
+
+    #region Keyed
+
+    private readonly Expression<Func<TestDocumentWithKey<int>, int>> keyedGrouping = document => document.GroupingKey;
+    private readonly Expression<Func<IGrouping<int, TestDocumentWithKey<int>>, TestProjection>> keyedProjection = documents => new TestProjection {Count = documents.Count()};
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> keyedFilter = document => document.GroupingKey == 1;
+
+    [Fact]
+    public void Keyed_WithGroupingCriteriaAndProjection_Groups()
+    {
+        // Arrange
+        var keyedProjections = Fixture.CreateMany<TestProjection>().ToList();
+        Reader = new Mock<IMongoDbReader>();
+
+        Reader.Setup(
+                x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocumentWithKey<int>>, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(keyedProjections);
+
+        // Act
+        var result = Sut.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(keyedGrouping, keyedProjection);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(keyedProjections);
+        Reader.Verify(
+            x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(keyedGrouping, keyedProjection, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithGroupingCriteriaAndProjectionAndCancellationToken_Groups()
+    {
+        // Arrange
+        var keyedProjections = Fixture.CreateMany<TestProjection>().ToList();
+        var token = new CancellationToken(true);
+        Reader = new Mock<IMongoDbReader>();
+
+        Reader
+            .Setup(
+                x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocumentWithKey<int>>, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(keyedProjections);
+
+        // Act
+        var result = Sut.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(keyedGrouping, keyedProjection, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(keyedProjections);
+        Reader.Verify(
+            x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(keyedGrouping, keyedProjection, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithGroupingCriteriaAndProjectionAndPartitionKey_Groups()
+    {
+        // Arrange
+        var keyedProjections = Fixture.CreateMany<TestProjection>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        Reader = new Mock<IMongoDbReader>();
+
+        Reader
+            .Setup(
+                x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocumentWithKey<int>>, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(keyedProjections);
+
+        // Act
+        var result = Sut.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(keyedGrouping, keyedProjection, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(keyedProjections);
+        Reader.Verify(
+            x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(keyedGrouping, keyedProjection, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithGroupingCriteriaAndProjectionAndPartitionKeyAndCancellationToken_Groups()
+    {
+        // Arrange
+        var keyedProjections = Fixture.CreateMany<TestProjection>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+        Reader = new Mock<IMongoDbReader>();
+
+        Reader
+            .Setup(
+                x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocumentWithKey<int>>, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(keyedProjections);
+
+        // Act
+        var result = Sut.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(keyedGrouping, keyedProjection, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(keyedProjections);
+        Reader.Verify(
+            x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(keyedGrouping, keyedProjection, partitionKey, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndGroupingCriteriaAndProjection_Groups()
+    {
+        // Arrange
+        var keyedProjections = Fixture.CreateMany<TestProjection>().ToList();
+        Reader = new Mock<IMongoDbReader>();
+
+        Reader.Setup(
+                x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>,bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocumentWithKey<int>>, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(keyedProjections);
+
+        // Act
+        var result = Sut.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(keyedFilter, keyedGrouping, keyedProjection);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(keyedProjections);
+        Reader.Verify(
+            x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(keyedFilter, keyedGrouping, keyedProjection, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndGroupingCriteriaAndProjectionAndCancellationToken_Groups()
+    {
+        // Arrange
+        var keyedProjections = Fixture.CreateMany<TestProjection>().ToList();
+        var token = new CancellationToken(true);
+        Reader = new Mock<IMongoDbReader>();
+
+        Reader.Setup(
+                x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>,bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocumentWithKey<int>>, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(keyedProjections);
+
+        // Act
+        var result = Sut.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(keyedFilter, keyedGrouping, keyedProjection, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(keyedProjections);
+        Reader.Verify(
+            x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(keyedFilter, keyedGrouping, keyedProjection, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndGroupingCriteriaAndProjectionAndPartitionKey_Groups()
+    {
+        // Arrange
+        var keyedProjections = Fixture.CreateMany<TestProjection>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        Reader = new Mock<IMongoDbReader>();
+
+        Reader.Setup(
+                x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>,bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocumentWithKey<int>>, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(keyedProjections);
+
+        // Act
+        var result = Sut.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(keyedFilter, keyedGrouping, keyedProjection, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(keyedProjections);
+        Reader.Verify(
+            x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(keyedFilter, keyedGrouping, keyedProjection, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndGroupingCriteriaAndProjectionAndPartitionKeyAndCancellationToken_Groups()
+    {
+        // Arrange
+        var keyedProjections = Fixture.CreateMany<TestProjection>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+        Reader = new Mock<IMongoDbReader>();
+
+        Reader.Setup(
+                x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>,bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, int>>>(),
+                    It.IsAny<Expression<Func<IGrouping<int, TestDocumentWithKey<int>>, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(keyedProjections);
+
+        // Act
+        var result = Sut.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(keyedFilter, keyedGrouping, keyedProjection, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(keyedProjections);
+        Reader.Verify(
+            x => x.GroupBy<TestDocumentWithKey<int>, int, TestProjection, int>(keyedFilter, keyedGrouping, keyedProjection, partitionKey, token),
+            Times.Once);
+    }
+
+    #endregion
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/ProjectManyAsyncTests.cs

@@ -0,0 +1,214 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Threading;
+using System.Threading.Tasks;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class ProjectManyAsyncTests : TestReadOnlyMongoRepositoryContext
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocument, TestProjection>> projection = document => new TestProjection {NestedData = document.Nested.SomeDate};
+
+    [Fact]
+    public async Task WithFilterAndProjection_Projects()
+    {
+        // Arrange
+        var projections = Fixture.CreateMany<TestProjection>().ToList();
+
+        SetupReader(projections);
+
+        // Act
+        var result = await Sut.ProjectManyAsync(filter, projection);
+
+        // Assert
+        result.Should().OnlyContain(x => projections.Contains(x));
+        Reader.Verify(
+            x => x.ProjectManyAsync<TestDocument, TestProjection, Guid>(
+                filter,
+                projection,
+                null,
+                CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndProjectionAndCancellationToken_Projects()
+    {
+        // Arrange
+        var projections = Fixture.CreateMany<TestProjection>().ToList();
+        var token = new CancellationToken(true);
+
+        SetupReader(projections);
+
+        // Act
+        var result = await Sut.ProjectManyAsync(filter, projection, token);
+
+        // Assert
+        result.Should().OnlyContain(x => projections.Contains(x));
+        Reader.Verify(
+            x => x.ProjectManyAsync<TestDocument, TestProjection, Guid>(filter, projection, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndProjectionAndPartitionKey_Projects()
+    {
+        // Arrange
+        var projections = Fixture.CreateMany<TestProjection>().ToList();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(projections);
+
+        // Act
+        var result = await Sut.ProjectManyAsync(filter, projection, partitionKey);
+
+        // Assert
+        result.Should().OnlyContain(x => projections.Contains(x));
+        Reader.Verify(
+            x => x.ProjectManyAsync<TestDocument, TestProjection, Guid>(filter, projection, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndProjectionAndPartitionKeyAndCancellationToken_Projects()
+    {
+        // Arrange
+        var projections = Fixture.CreateMany<TestProjection>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(projections);
+
+        // Act
+        var result = await Sut.ProjectManyAsync(filter, projection, partitionKey, token);
+
+        // Assert
+        result.Should().OnlyContain(x => projections.Contains(x));
+        Reader.Verify(
+            x => x.ProjectManyAsync<TestDocument, TestProjection, Guid>(filter, projection, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader(List<TestProjection> projections)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.ProjectManyAsync<TestDocument, TestProjection, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocument, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(projections);
+    }
+
+    #region Keyed
+
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> keyedFilter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, TestProjection>> keyedProjection = document => new TestProjection {NestedData = document.Nested.SomeDate};
+
+    [Fact]
+    public async Task Keyed_WithFilterAndProjection_Projects()
+    {
+        // Arrange
+        var keyedProjections = Fixture.CreateMany<TestProjection>().ToList();
+
+        SetupKeyedReader(keyedProjections);
+
+        // Act
+        var result = await Sut.ProjectManyAsync<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection);
+
+        // Assert
+        result.Should().OnlyContain(x => keyedProjections.Contains(x));
+        Reader.Verify(
+            x => x.ProjectManyAsync<TestDocumentWithKey<int>, TestProjection, int>(
+                keyedFilter,
+                keyedProjection,
+                null,
+                CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndProjectionAndCancellationToken_Projects()
+    {
+        // Arrange
+        var keyedProjections = Fixture.CreateMany<TestProjection>().ToList();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(keyedProjections);
+
+        // Act
+        var result = await Sut.ProjectManyAsync<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, token);
+
+        // Assert
+        result.Should().OnlyContain(x => keyedProjections.Contains(x));
+        Reader.Verify(
+            x => x.ProjectManyAsync<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndProjectionAndPartitionKey_Projects()
+    {
+        // Arrange
+        var keyedProjections = Fixture.CreateMany<TestProjection>().ToList();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReader(keyedProjections);
+
+        // Act
+        var result = await Sut.ProjectManyAsync<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, partitionKey);
+
+        // Assert
+        result.Should().OnlyContain(x => keyedProjections.Contains(x));
+        Reader.Verify(
+            x => x.ProjectManyAsync<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndProjectionAndPartitionKeyAndCancellationToken_Projects()
+    {
+        // Arrange
+        var keyedProjections = Fixture.CreateMany<TestProjection>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(keyedProjections);
+
+        // Act
+        var result = await Sut.ProjectManyAsync<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, partitionKey, token);
+
+        // Assert
+        result.Should().OnlyContain(x => keyedProjections.Contains(x));
+        Reader.Verify(
+            x => x.ProjectManyAsync<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupKeyedReader(List<TestProjection> keyedProjections)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.ProjectManyAsync<TestDocumentWithKey<int>, TestProjection, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(keyedProjections);
+    }
+
+    #endregion
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/ProjectManyTests.cs

@@ -0,0 +1,214 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Threading;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class ProjectManyTests : TestReadOnlyMongoRepositoryContext
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocument, TestProjection>> projection = document => new TestProjection {NestedData = document.Nested.SomeDate};
+
+    [Fact]
+    public void WithFilterAndProjection_Projects()
+    {
+        // Arrange
+        var projections = Fixture.CreateMany<TestProjection>().ToList();
+
+        SetupReader(projections);
+
+        // Act
+        var result = Sut.ProjectMany(filter, projection);
+
+        // Assert
+        result.Should().OnlyContain(x => projections.Contains(x));
+        Reader.Verify(
+            x => x.ProjectMany<TestDocument, TestProjection, Guid>(
+                filter,
+                projection,
+                null,
+                CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndProjectionAndCancellationToken_Projects()
+    {
+        // Arrange
+        var projections = Fixture.CreateMany<TestProjection>().ToList();
+        var token = new CancellationToken(true);
+
+        SetupReader(projections);
+
+        // Act
+        var result = Sut.ProjectMany(filter, projection, token);
+
+        // Assert
+        result.Should().OnlyContain(x => projections.Contains(x));
+        Reader.Verify(
+            x => x.ProjectMany<TestDocument, TestProjection, Guid>(filter, projection, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndProjectionAndPartitionKey_Projects()
+    {
+        // Arrange
+        var projections = Fixture.CreateMany<TestProjection>().ToList();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(projections);
+
+        // Act
+        var result = Sut.ProjectMany(filter, projection, partitionKey);
+
+        // Assert
+        result.Should().OnlyContain(x => projections.Contains(x));
+        Reader.Verify(
+            x => x.ProjectMany<TestDocument, TestProjection, Guid>(filter, projection, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndProjectionAndPartitionKeyAndCancellationToken_Projects()
+    {
+        // Arrange
+        var projections = Fixture.CreateMany<TestProjection>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(projections);
+
+        // Act
+        var result = Sut.ProjectMany(filter, projection, partitionKey, token);
+
+        // Assert
+        result.Should().OnlyContain(x => projections.Contains(x));
+        Reader.Verify(
+            x => x.ProjectMany<TestDocument, TestProjection, Guid>(filter, projection, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader(List<TestProjection> projections)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.ProjectMany<TestDocument, TestProjection, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocument, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(projections);
+    }
+
+    #region Keyed
+
+        private readonly Expression<Func<TestDocumentWithKey<int>, bool>> keyedFilter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, TestProjection>> keyedProjection = document => new TestProjection {NestedData = document.Nested.SomeDate};
+
+    [Fact]
+    public void Keyed_WithFilterAndProjection_Projects()
+    {
+        // Arrange
+        var keyedProjections = Fixture.CreateMany<TestProjection>().ToList();
+
+        SetupKeyedReader(keyedProjections);
+
+        // Act
+        var result = Sut.ProjectMany<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection);
+
+        // Assert
+        result.Should().OnlyContain(x => keyedProjections.Contains(x));
+        Reader.Verify(
+            x => x.ProjectMany<TestDocumentWithKey<int>, TestProjection, int>(
+                keyedFilter,
+                keyedProjection,
+                null,
+                CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndProjectionAndCancellationToken_Projects()
+    {
+        // Arrange
+        var keyedProjections = Fixture.CreateMany<TestProjection>().ToList();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(keyedProjections);
+
+        // Act
+        var result = Sut.ProjectMany<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, token);
+
+        // Assert
+        result.Should().OnlyContain(x => keyedProjections.Contains(x));
+        Reader.Verify(
+            x => x.ProjectMany<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndProjectionAndPartitionKey_Projects()
+    {
+        // Arrange
+        var keyedProjections = Fixture.CreateMany<TestProjection>().ToList();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReader(keyedProjections);
+
+        // Act
+        var result = Sut.ProjectMany<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, partitionKey);
+
+        // Assert
+        result.Should().OnlyContain(x => keyedProjections.Contains(x));
+        Reader.Verify(
+            x => x.ProjectMany<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndProjectionAndPartitionKeyAndCancellationToken_Projects()
+    {
+        // Arrange
+        var keyedProjections = Fixture.CreateMany<TestProjection>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(keyedProjections);
+
+        // Act
+        var result = Sut.ProjectMany<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, partitionKey, token);
+
+        // Assert
+        result.Should().OnlyContain(x => keyedProjections.Contains(x));
+        Reader.Verify(
+            x => x.ProjectMany<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupKeyedReader(List<TestProjection> keyedProjections)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.ProjectMany<TestDocumentWithKey<int>, TestProjection, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(keyedProjections);
+    }
+
+
+    #endregion
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/ProjectOneAsyncTests.cs

@@ -0,0 +1,212 @@
+using System;
+using System.Linq.Expressions;
+using System.Threading;
+using System.Threading.Tasks;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class ProjectOneAsyncTests : TestReadOnlyMongoRepositoryContext
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocument, TestProjection>> projection = document => new TestProjection {NestedData = document.Nested.SomeDate};
+
+    [Fact]
+    public async Task WithFilterAndProjection_Projects()
+    {
+        // Arrange
+        var expected = Fixture.Create<TestProjection>();
+
+        SetupReader(expected);
+
+        // Act
+        var result = await Sut.ProjectOneAsync(filter, projection);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.ProjectOneAsync<TestDocument, TestProjection, Guid>(
+                filter,
+                projection,
+                null,
+                CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndProjectionAndCancellationToken_Projects()
+    {
+        // Arrange
+        var expected = Fixture.Create<TestProjection>();
+        var token = new CancellationToken(true);
+
+        SetupReader(expected);
+
+        // Act
+        var result = await Sut.ProjectOneAsync(filter, projection, token);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.ProjectOneAsync<TestDocument, TestProjection, Guid>(filter, projection, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndProjectionAndPartitionKey_Projects()
+    {
+        // Arrange
+        var expected = Fixture.Create<TestProjection>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(expected);
+
+        // Act
+        var result = await Sut.ProjectOneAsync(filter, projection, partitionKey);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.ProjectOneAsync<TestDocument, TestProjection, Guid>(filter, projection, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndProjectionAndPartitionKeyAndCancellationToken_Projects()
+    {
+        // Arrange
+        var expected = Fixture.Create<TestProjection>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(expected);
+
+        // Act
+        var result = await Sut.ProjectOneAsync(filter, projection, partitionKey, token);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.ProjectOneAsync<TestDocument, TestProjection, Guid>(filter, projection, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader(TestProjection result)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.ProjectOneAsync<TestDocument, TestProjection, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocument, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(result);
+    }
+
+    #region keyed
+
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> keyedFilter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, TestProjection>> keyedProjection = document => new TestProjection {NestedData = document.Nested.SomeDate};
+
+    [Fact]
+    public async Task Keyed_WithFilterAndProjection_Projects()
+    {
+        // Arrange
+        var expected = Fixture.Create<TestProjection>();
+
+        SetupKeyedReader(expected);
+
+        // Act
+        var result = await Sut.ProjectOneAsync<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.ProjectOneAsync<TestDocumentWithKey<int>, TestProjection, int>(
+                keyedFilter,
+                keyedProjection,
+                null,
+                CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndProjectionAndCancellationToken_Projects()
+    {
+        // Arrange
+        var expected = Fixture.Create<TestProjection>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(expected);
+
+        // Act
+        var result = await Sut.ProjectOneAsync<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, token);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.ProjectOneAsync<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndProjectionAndPartitionKey_Projects()
+    {
+        // Arrange
+        var expected = Fixture.Create<TestProjection>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReader(expected);
+
+        // Act
+        var result = await Sut.ProjectOneAsync<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, partitionKey);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.ProjectOneAsync<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_WithFilterAndProjectionAndPartitionKeyAndCancellationToken_Projects()
+    {
+        // Arrange
+        var expected = Fixture.Create<TestProjection>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(expected);
+
+        // Act
+        var result = await Sut.ProjectOneAsync<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, partitionKey, token);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.ProjectOneAsync<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupKeyedReader(TestProjection result)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.ProjectOneAsync<TestDocumentWithKey<int>, TestProjection, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(result);
+    }
+
+    #endregion
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/ProjectOneTests.cs

@@ -0,0 +1,211 @@
+using System;
+using System.Linq.Expressions;
+using System.Threading;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class ProjectOneTests : TestReadOnlyMongoRepositoryContext
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocument, TestProjection>> projection = document => new TestProjection {NestedData = document.Nested.SomeDate};
+
+    [Fact]
+    public void WithFilterAndProjection_Projects()
+    {
+        // Arrange
+        var expected = Fixture.Create<TestProjection>();
+
+        SetupReader(expected);
+
+        // Act
+        var result = Sut.ProjectOne(filter, projection);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.ProjectOne<TestDocument, TestProjection, Guid>(
+                filter,
+                projection,
+                null,
+                CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndProjectionAndCancellationToken_Projects()
+    {
+        // Arrange
+        var expected = Fixture.Create<TestProjection>();
+        var token = new CancellationToken(true);
+
+        SetupReader(expected);
+
+        // Act
+        var result = Sut.ProjectOne(filter, projection, token);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.ProjectOne<TestDocument, TestProjection, Guid>(filter, projection, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndProjectionAndPartitionKey_Projects()
+    {
+        // Arrange
+        var expected = Fixture.Create<TestProjection>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(expected);
+
+        // Act
+        var result = Sut.ProjectOne(filter, projection, partitionKey);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.ProjectOne<TestDocument, TestProjection, Guid>(filter, projection, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndProjectionAndPartitionKeyAndCancellationToken_Projects()
+    {
+        // Arrange
+        var expected = Fixture.Create<TestProjection>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(expected);
+
+        // Act
+        var result = Sut.ProjectOne(filter, projection, partitionKey, token);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.ProjectOne<TestDocument, TestProjection, Guid>(filter, projection, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReader(TestProjection result)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.ProjectOne<TestDocument, TestProjection, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocument, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(result);
+    }
+
+    #region Keyed
+
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> keyedFilter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, TestProjection>> keyedProjection = document => new TestProjection {NestedData = document.Nested.SomeDate};
+
+    [Fact]
+    public void Keyed_WithFilterAndProjection_Projects()
+    {
+        // Arrange
+        var expected = Fixture.Create<TestProjection>();
+
+        SetupKeyedReader(expected);
+
+        // Act
+        var result = Sut.ProjectOne<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.ProjectOne<TestDocumentWithKey<int>, TestProjection, int>(
+                keyedFilter,
+                keyedProjection,
+                null,
+                CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndProjectionAndCancellationToken_Projects()
+    {
+        // Arrange
+        var expected = Fixture.Create<TestProjection>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(expected);
+
+        // Act
+        var result = Sut.ProjectOne<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, token);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.ProjectOne<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndProjectionAndPartitionKey_Projects()
+    {
+        // Arrange
+        var expected = Fixture.Create<TestProjection>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReader(expected);
+
+        // Act
+        var result = Sut.ProjectOne<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, partitionKey);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.ProjectOne<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void Keyed_WithFilterAndProjectionAndPartitionKeyAndCancellationToken_Projects()
+    {
+        // Arrange
+        var expected = Fixture.Create<TestProjection>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReader(expected);
+
+        // Act
+        var result = Sut.ProjectOne<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, partitionKey, token);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.ProjectOne<TestDocumentWithKey<int>, TestProjection, int>(keyedFilter, keyedProjection, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupKeyedReader(TestProjection result)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.ProjectOne<TestDocumentWithKey<int>, TestProjection, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, TestProjection>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(result);
+    }
+
+    #endregion
+}

CoreUnitTests/ReadOnlyMongoRepositoryTests/SumByAsyncTests.cs

@@ -0,0 +1,384 @@
+using System;
+using System.Linq.Expressions;
+using System.Threading;
+using System.Threading.Tasks;
+using AutoFixture;
+using CoreUnitTests.Infrastructure;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.ReadOnlyMongoRepositoryTests;
+
+public class SumByAsyncTests : TestReadOnlyMongoRepositoryContext
+{
+    private readonly Expression<Func<TestDocument, decimal>> decimalSelector = document => document.SomeDecimalValue;
+    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocument, int>> intSelector = document => document.SomeValue;
+
+    [Fact]
+    public async Task Int_WithFilterAndSelector_Sums()
+    {
+        // Arrange
+        var expected = Fixture.Create<int>();
+
+        SetupReaderInt(expected);
+
+        // Act
+        var result = await Sut.SumByAsync(filter, intSelector);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.SumByAsync<TestDocument, Guid>(filter, intSelector, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Int_WithFilterAndSelectorAndCancellationToken_Sums()
+    {
+        // Arrange
+        var expected = Fixture.Create<int>();
+        var token = new CancellationToken(true);
+
+        SetupReaderInt(expected);
+
+        // Act
+        var result = await Sut.SumByAsync(filter, intSelector, token);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.SumByAsync<TestDocument, Guid>(filter, intSelector, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Int_WithFilterAndSelectorAndPartitionKey_Sums()
+    {
+        // Arrange
+        var expected = Fixture.Create<int>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReaderInt(expected);
+
+        // Act
+        var result = await Sut.SumByAsync(filter, intSelector, partitionKey);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.SumByAsync<TestDocument, Guid>(filter, intSelector, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Int_WithFilterAndSelectorAndPartitionKeyAndCancellationToken_Sums()
+    {
+        // Arrange
+        var expected = Fixture.Create<int>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReaderInt(expected);
+
+        // Act
+        var result = await Sut.SumByAsync(filter, intSelector, partitionKey, token);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.SumByAsync<TestDocument, Guid>(filter, intSelector, partitionKey, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Decimal_WithFilterAndSelector_Sums()
+    {
+        // Arrange
+        var expected = Fixture.Create<decimal>();
+
+        SetupReaderDecimal(expected);
+
+        // Act
+        var result = await Sut.SumByAsync(filter, decimalSelector);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.SumByAsync<TestDocument, Guid>(filter, decimalSelector, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Decimal_WithFilterAndSelectorAndCancellationToken_Sums()
+    {
+        // Arrange
+        var expected = Fixture.Create<decimal>();
+        var token = new CancellationToken(true);
+
+        SetupReaderDecimal(expected);
+
+        // Act
+        var result = await Sut.SumByAsync(filter, decimalSelector, token);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.SumByAsync<TestDocument, Guid>(filter, decimalSelector, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Decimal_WithFilterAndSelectorAndPartitionKey_Sums()
+    {
+        // Arrange
+        var expected = Fixture.Create<decimal>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReaderDecimal(expected);
+
+        // Act
+        var result = await Sut.SumByAsync(filter, decimalSelector, partitionKey);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.SumByAsync<TestDocument, Guid>(filter, decimalSelector, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Decimal_WithFilterAndSelectorAndPartitionKeyAndCancellationToken_Sums()
+    {
+        // Arrange
+        var expected = Fixture.Create<decimal>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReaderDecimal(expected);
+
+        // Act
+        var result = await Sut.SumByAsync(filter, decimalSelector, partitionKey, token);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.SumByAsync<TestDocument, Guid>(filter, decimalSelector, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupReaderInt(int expected)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.SumByAsync<TestDocument, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocument, int>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(expected);
+    }
+
+    private void SetupReaderDecimal(decimal expected)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.SumByAsync<TestDocument, Guid>(
+                    It.IsAny<Expression<Func<TestDocument, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocument, decimal>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(expected);
+    }
+
+    #region Keyed
+
+    private readonly Expression<Func<TestDocumentWithKey<int>, bool>> keyedFilter = document => document.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocumentWithKey<int>, int>> keyedIntSelector = document => document.SomeValue;
+    private readonly Expression<Func<TestDocumentWithKey<int>, decimal>> keyedDecimalSelector = document => document.SomeDecimalValue;
+
+    [Fact]
+    public async Task Keyed_Int_WithFilterAndSelector_Sums()
+    {
+        // Arrange
+        var expected = Fixture.Create<int>();
+
+        SetupKeyedReaderInt(expected);
+
+        // Act
+        var result = await Sut.SumByAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedIntSelector);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.SumByAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedIntSelector, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_Int_WithFilterAndSelectorAndCancellationToken_Sums()
+    {
+        // Arrange
+        var expected = Fixture.Create<int>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderInt(expected);
+
+        // Act
+        var result = await Sut.SumByAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedIntSelector, token);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.SumByAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedIntSelector, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_Int_WithFilterAndSelectorAndPartitionKey_Sums()
+    {
+        // Arrange
+        var expected = Fixture.Create<int>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReaderInt(expected);
+
+        // Act
+        var result = await Sut.SumByAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedIntSelector, partitionKey);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.SumByAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedIntSelector, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_Int_WithFilterAndSelectorAndPartitionKeyAndCancellationToken_Sums()
+    {
+        // Arrange
+        var expected = Fixture.Create<int>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderInt(expected);
+
+        // Act
+        var result = await Sut.SumByAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedIntSelector, partitionKey, token);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.SumByAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedIntSelector, partitionKey, token),
+            Times.Once);
+    }
+
+        [Fact]
+    public async Task Keyed_Decimal_WithFilterAndSelector_Sums()
+    {
+        // Arrange
+        var expected = Fixture.Create<decimal>();
+
+        SetupKeyedReaderDecimal(expected);
+
+        // Act
+        var result = await Sut.SumByAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedDecimalSelector);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.SumByAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedDecimalSelector, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_Decimal_WithFilterAndSelectorAndCancellationToken_Sums()
+    {
+        // Arrange
+        var expected = Fixture.Create<decimal>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderDecimal(expected);
+
+        // Act
+        var result = await Sut.SumByAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedDecimalSelector, token);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.SumByAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedDecimalSelector, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_Decimal_WithFilterAndSelectorAndPartitionKey_Sums()
+    {
+        // Arrange
+        var expected = Fixture.Create<decimal>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupKeyedReaderDecimal(expected);
+
+        // Act
+        var result = await Sut.SumByAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedDecimalSelector, partitionKey);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.SumByAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedDecimalSelector, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task Keyed_Decimal_WithFilterAndSelectorAndPartitionKeyAndCancellationToken_Sums()
+    {
+        // Arrange
+        var expected = Fixture.Create<decimal>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupKeyedReaderDecimal(expected);
+
+        // Act
+        var result = await Sut.SumByAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedDecimalSelector, partitionKey, token);
+
+        // Assert
+        result.Should().Be(expected);
+        Reader.Verify(
+            x => x.SumByAsync<TestDocumentWithKey<int>, int>(keyedFilter, keyedDecimalSelector, partitionKey, token),
+            Times.Once);
+    }
+
+    private void SetupKeyedReaderInt(int expected)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.SumByAsync<TestDocumentWithKey<int>, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>,int>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(expected);
+    }
+
+    private void SetupKeyedReaderDecimal(decimal expected)
+    {
+        Reader = new Mock<IMongoDbReader>();
+        Reader
+            .Setup(
+                x => x.SumByAsync<TestDocumentWithKey<int>, int>(
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, bool>>>(),
+                    It.IsAny<Expression<Func<TestDocumentWithKey<int>, decimal>>>(),
+                    It.IsAny<string>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(expected);
+    }
+
+    #endregion
+}