unit tests for keyed readonly repo

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/AnyAsyncTests.cs

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+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.KeyedReadOnlyMongoRepositoryTests;
+
+public class AnyAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+
+    [Fact]
+    public async Task WithFilter_GetsResult()
+    {
+        // Arrange
+        SetupReader();
+
+        // Act
+        var result = await Sut.AnyAsync(filter);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.AnyAsync<TestDocument, Guid>(filter, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndCancellationToken_GetsResult()
+    {
+        // Arrange
+        var token = new CancellationToken(true);
+
+        SetupReader();
+
+        // Act
+        var result = await Sut.AnyAsync(filter, token);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.AnyAsync<TestDocument, Guid>(filter, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndPartitionKey_GetsResult()
+    {
+        // Arrange
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader();
+
+        // Act
+        var result = await Sut.AnyAsync(filter, partitionKey);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.AnyAsync<TestDocument, Guid>(filter, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndPartitionKeyAndCancellationToken_GetsResult()
+    {
+        // Arrange
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader();
+
+        // Act
+        var result = await Sut.AnyAsync(filter, partitionKey, token);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.AnyAsync<TestDocument, Guid>(filter, partitionKey, token),
+            Times.Once);
+    }
+
+    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/KeyedReadOnlyMongoRepositoryTests/AnyTests.cs

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+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.KeyedReadOnlyMongoRepositoryTests;
+
+public class AnyTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+
+    [Fact]
+    public void WithFilter_GetsResult()
+    {
+        // Arrange
+        SetupReader();
+
+        // Act
+        var result = Sut.Any(filter);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.Any<TestDocument, Guid>(filter, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndCancellationToken_GetsResult()
+    {
+        // Arrange
+        var token = new CancellationToken(true);
+
+        SetupReader();
+
+        // Act
+        var result = Sut.Any(filter, token);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.Any<TestDocument, Guid>(filter, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndPartitionKey_GetsResult()
+    {
+        // Arrange
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader();
+
+        // Act
+        var result = Sut.Any(filter, partitionKey);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.Any<TestDocument, Guid>(filter, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndPartitionKeyAndCancellationToken_GetsResult()
+    {
+        // Arrange
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader();
+
+        // Act
+        var result = Sut.Any(filter, partitionKey, token);
+
+        // Assert
+        result.Should().BeTrue();
+        Reader.Verify(
+            x => x.Any<TestDocument, Guid>(filter, 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);
+    }
+}

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/CountAsyncTests.cs

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+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.KeyedReadOnlyMongoRepositoryTests;
+
+public class CountAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+
+    [Fact]
+    public async Task WithFilter_GetsOne()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+
+        SetupReader(count);
+
+        // Act
+        var result = await Sut.CountAsync(filter);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.CountAsync<TestDocument, Guid>(filter, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var token = new CancellationToken(true);
+
+        SetupReader(count);
+
+        // Act
+        var result = await Sut.CountAsync(filter, token);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.CountAsync<TestDocument, Guid>(filter, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndPartitionKey_GetsOne()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(count);
+
+        // Act
+        var result = await Sut.CountAsync(filter, partitionKey);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.CountAsync<TestDocument, Guid>(filter, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndPartitionKeyAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(count);
+
+        // Act
+        var result = await Sut.CountAsync(filter, partitionKey, token);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.CountAsync<TestDocument, Guid>(filter, 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);
+    }
+}

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/CountTests.cs

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+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.KeyedReadOnlyMongoRepositoryTests;
+
+public class CountTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+
+    [Fact]
+    public void WithFilter_GetsOne()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+
+        SetupReader(count);
+
+        // Act
+        var result = Sut.Count(filter);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.Count<TestDocument, Guid>(filter, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var token = new CancellationToken(true);
+
+        SetupReader(count);
+
+        // Act
+        var result = Sut.Count(filter, token);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.Count<TestDocument, Guid>(filter, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndPartitionKey_GetsOne()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(count);
+
+        // Act
+        var result = Sut.Count(filter, partitionKey);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.Count<TestDocument, Guid>(filter, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndPartitionKeyAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var count = Fixture.Create<long>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(count);
+
+        // Act
+        var result = Sut.Count(filter, partitionKey, token);
+
+        // Assert
+        result.Should().Be(count);
+        Reader.Verify(
+            x => x.Count<TestDocument, Guid>(filter, 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);
+    }
+}

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetAllAsyncTests.cs

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+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.KeyedReadOnlyMongoRepositoryTests;
+
+public class GetAllAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+
+    [Fact]
+    public async Task WithFilter_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocument>().ToList();
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetAllAsync(filter);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAllAsync<TestDocument, Guid>(filter, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocument>().ToList();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetAllAsync(filter, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAllAsync<TestDocument, Guid>(filter, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndPartitionKey_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetAllAsync(filter, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAllAsync<TestDocument, Guid>(filter, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithFilterAndPartitionKeyAndCancellationToken_GetsOne()
+    {
+        // 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(filter, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAllAsync<TestDocument, Guid>(filter, 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);
+    }
+}

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetAllTests.cs

@@ -0,0 +1,111 @@
+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.KeyedReadOnlyMongoRepositoryTests;
+
+public class GetAllTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+
+    [Fact]
+    public void WithFilter_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocument>().ToList();
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetAll(filter);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAll<TestDocument, Guid>(filter, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocument>().ToList();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetAll(filter, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAll<TestDocument, Guid>(filter, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndPartitionKey_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetAll(filter, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAll<TestDocument, Guid>(filter, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithFilterAndPartitionKeyAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetAll(filter, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetAll<TestDocument, Guid>(filter, 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);
+    }
+}

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetByIdAsyncTests.cs

@@ -0,0 +1,109 @@
+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;
+using FluentAssertions;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
+
+public class GetByIdAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+{
+    [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);
+    }
+}

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetByIdTests.cs

@@ -0,0 +1,109 @@
+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;
+using FluentAssertions;
+using MongoDbGenericRepository.DataAccess.Read;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.KeyedReadOnlyMongoRepositoryTests;
+
+public class GetByIdTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+{
+    [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);
+    }
+}

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetByMaxAsyncTests.cs

@@ -0,0 +1,112 @@
+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.KeyedReadOnlyMongoRepositoryTests;
+
+public class GetByMaxAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+{
+    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);
+    }
+}

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetByMaxTests.cs

@@ -0,0 +1,111 @@
+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.KeyedReadOnlyMongoRepositoryTests;
+
+public class GetByMaxTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+{
+    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);
+    }
+}

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetByMinAsyncTests.cs

@@ -0,0 +1,112 @@
+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.KeyedReadOnlyMongoRepositoryTests;
+
+public class GetByMinAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+{
+    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);
+    }
+}

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetByMinTests.cs

@@ -0,0 +1,111 @@
+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.KeyedReadOnlyMongoRepositoryTests;
+
+public class GetByMinTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+{
+    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);
+    }
+}

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetMaxValueAsyncTests.cs

@@ -0,0 +1,108 @@
+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.KeyedReadOnlyMongoRepositoryTests;
+
+public class GetMaxValueAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+{
+    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);
+    }
+}

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetMaxValueTests.cs

@@ -0,0 +1,107 @@
+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.KeyedReadOnlyMongoRepositoryTests;
+
+public class GetMaxValueTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+{
+    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);
+    }
+}

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetMinValueAsyncTests.cs

@@ -0,0 +1,108 @@
+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.KeyedReadOnlyMongoRepositoryTests;
+
+public class GetMinValueAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+{
+    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);
+    }
+}

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetMinValueTests.cs

@@ -0,0 +1,107 @@
+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.KeyedReadOnlyMongoRepositoryTests;
+
+public class GetMinValueTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+{
+    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);
+    }
+}

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetOneAsyncTests.cs

@@ -0,0 +1,110 @@
+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.KeyedReadOnlyMongoRepositoryTests;
+
+public class GetOneAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+
+    [Fact]
+    public async Task WithId_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetOneAsync(filter);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOneAsync<TestDocument, Guid>(filter, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithIdAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetOneAsync(filter, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOneAsync<TestDocument, Guid>(filter, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithIdAndPartitionKey_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(document);
+
+        // Act
+        var result = await Sut.GetOneAsync(filter, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOneAsync<TestDocument, Guid>(filter, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public async Task WithIdAndPartitionKeyAndCancellationToken_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(filter, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOneAsync<TestDocument, Guid>(filter, 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);
+    }
+}

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/GetOneTests.cs

@@ -0,0 +1,110 @@
+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.KeyedReadOnlyMongoRepositoryTests;
+
+public class GetOneTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = document => document.SomeContent == "SomeContent";
+
+    [Fact]
+    public void WithId_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetOne(filter);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOne<TestDocument, Guid>(filter, null, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithIdAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetOne(filter, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOne<TestDocument, Guid>(filter, null, token),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithIdAndPartitionKey_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var partitionKey = Fixture.Create<string>();
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetOne(filter, partitionKey);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOne<TestDocument, Guid>(filter, partitionKey, CancellationToken.None),
+            Times.Once);
+    }
+
+    [Fact]
+    public void WithIdAndPartitionKeyAndCancellationToken_GetsOne()
+    {
+        // Arrange
+        var document = Fixture.Create<TestDocument>();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        SetupReader(document);
+
+        // Act
+        var result = Sut.GetOne(filter, partitionKey, token);
+
+        // Assert
+        result.Should().NotBeNull();
+        result.Should().BeEquivalentTo(document);
+        Reader.Verify(
+            x => x.GetOne<TestDocument, Guid>(filter, 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);
+    }
+}

CoreUnitTests/KeyedReadOnlyMongoRepositoryTests/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.KeyedReadOnlyMongoRepositoryTests;
+
+public class GetSortedPaginatedAsyncTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+{
+    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/KeyedReadOnlyMongoRepositoryTests/GroupByTests.cs

@@ -0,0 +1,243 @@
+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.KeyedReadOnlyMongoRepositoryTests;
+
+public class GroupByTests : TestKeyedReadOnlyMongoRepositoryContext<Guid>
+{
+    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);
+    }
+}