Reader GetAll, GetByMin and getByMax test

CoreUnitTests/DataAccessTests/MongoDbReaderTests/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.Model;
+using FluentAssertions;
+using MongoDB.Driver;
+using MongoDbGenericRepository;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.DataAccessTests.MongoDbReaderTests;
+
+public class GetOneAsyncTests : BaseReaderTests
+{
+    [Fact]
+    public async Task WithFilter_GetsMatchingDocuments()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        Expression<Func<TestDocument, bool>> filter = x => x.Id == documents[0].Id;
+        var (context, cursor) = SetupAsyncGet(documents, collection);
+
+
+        // Act
+        var result = await Sut.GetOneAsync<TestDocument, Guid>(filter);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(CancellationToken.None), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    [Fact]
+    public async Task WithFilterAndCancellationToken_GetsMatchingDocuments()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var token = new CancellationToken(true);
+        Expression<Func<TestDocument, bool>> filter = x => x.Id == documents[0].Id;
+        var (context, cursor) = SetupAsyncGet(documents, collection);
+
+        // Act
+        var result = await Sut.GetOneAsync<TestDocument, Guid>(filter, cancellationToken: token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(token), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    [Fact]
+    public async Task WithFilterAndPartitionKey_GetsMatchingDocuments()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        Expression<Func<TestDocument, bool>> filter = x => x.Id == documents[0].Id;
+        var (context, cursor) = SetupAsyncGet(documents, collection, partitionKey);
+
+        // Act
+        var result = await Sut.GetOneAsync<TestDocument, Guid>(filter, partitionKey);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(CancellationToken.None), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    [Fact]
+    public async Task WithFilterAndPartitionKeyAndCancellationToken_GetsMatchingDocuments()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+        Expression<Func<TestDocument, bool>> filter = x => x.Id == documents[0].Id;
+        var (context, cursor) = SetupAsyncGet(documents, collection, partitionKey);
+
+        // Act
+        var result = await Sut.GetOneAsync<TestDocument, Guid>(filter, partitionKey, token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(token), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    [Fact]
+    public async Task WithCondition_GetsMatchingDocuments()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var condition = Builders<TestDocument>.Filter.Eq("Id", documents[0].Id);
+        var (context, cursor) = SetupAsyncGet(documents, collection);
+
+        // Act
+        var result = await Sut.GetOneAsync<TestDocument, Guid>(condition);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(CancellationToken.None), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    [Fact]
+    public async Task WithConditionAndCancellationToken_GetsMatchingDocuments()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var condition = Builders<TestDocument>.Filter.Eq("Id", documents[0].Id);
+        var token = new CancellationToken(true);
+        var (context, cursor) = SetupAsyncGet(documents, collection);
+
+        // Act
+        var result = await Sut.GetOneAsync<TestDocument, Guid>(condition, cancellationToken: token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(token), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    [Fact]
+    public async Task WithConditionAndPartitionKey_GetsMatchingDocuments()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var condition = Builders<TestDocument>.Filter.Eq("Id", documents[0].Id);
+        var partitionKey = Fixture.Create<string>();
+        var (context, cursor) = SetupAsyncGet(documents, collection, partitionKey);
+
+        // Act
+        var result = await Sut.GetOneAsync<TestDocument, Guid>(condition, partitionKey: partitionKey);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(CancellationToken.None), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    [Fact]
+    public async Task WithConditionAndPartitionKeyAndCancellationToken_GetsMatchingDocuments()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var condition = Builders<TestDocument>.Filter.Eq("Id", documents[0].Id);
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+        var (context, cursor) = SetupAsyncGet(documents, collection, partitionKey);
+
+        // Act
+        var result = await Sut.GetOneAsync<TestDocument, Guid>(condition, partitionKey: partitionKey, cancellationToken: token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(token), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    [Fact]
+    public async Task WithConditionAndFindOptions_GetsMatchingDocuments()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var options = Fixture
+            .Build<FindOptions>()
+            .Without(x => x.Comment)
+            .Without(x => x.Hint)
+            .Create();
+        var condition = Builders<TestDocument>.Filter.Eq("Id", documents[0].Id);
+        var (context, cursor) = SetupAsyncGet(documents, collection);
+
+        // Act
+        var result = await Sut.GetOneAsync<TestDocument, Guid>(condition, options);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(CancellationToken.None), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    [Fact]
+    public async Task WithConditionAndFindOptionsAndCancellationToken_GetsMatchingDocuments()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var options = Fixture
+            .Build<FindOptions>()
+            .Without(x => x.Comment)
+            .Without(x => x.Hint)
+            .Create();
+        var condition = Builders<TestDocument>.Filter.Eq("Id", documents[0].Id);
+        var token = new CancellationToken(true);
+        var (context, cursor) = SetupAsyncGet(documents, collection);
+
+        // Act
+        var result = await Sut.GetOneAsync<TestDocument, Guid>(condition, options, cancellationToken: token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(token), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    [Fact]
+    public async Task WithConditionAndFindOptionsAndPartitionKeyAndCancellationToken_GetsMatchingDocuments()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var options = Fixture
+            .Build<FindOptions>()
+            .Without(x => x.Comment)
+            .Without(x => x.Hint)
+            .Create();
+        var condition = Builders<TestDocument>.Filter.Eq("Id", documents[0].Id);
+        var token = new CancellationToken(true);
+        var partitionKey = Fixture.Create<string>();
+        var (context, cursor) = SetupAsyncGet(documents, collection, partitionKey);
+
+        // Act
+        var result = await Sut.GetOneAsync<TestDocument, Guid>(condition, options, partitionKey, token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(token), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    private (Mock<IMongoDbContext>, Mock<IAsyncCursor<TDocument>>) SetupAsyncGet<TDocument>(
+        List<TDocument> documents,
+        Mock<IMongoCollection<TDocument>> collection,
+        string partitionKey = null)
+    {
+        var asyncCursor = SetupAsyncCursor(documents);
+
+        SetupFindAsync(collection, asyncCursor);
+
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TDocument>(partitionKey))
+            .Returns(collection.Object);
+
+        return (context, asyncCursor);
+    }
+}

CoreUnitTests/DataAccessTests/MongoDbReaderTests/GetAllTests.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.Model;
+using FluentAssertions;
+using MongoDB.Driver;
+using MongoDbGenericRepository;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.DataAccessTests.MongoDbReaderTests;
+
+public class GetAllAsyncTests : BaseReaderTests
+{
+    [Fact]
+    public async Task WithFilter_GetsMatchingDocuments()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        Expression<Func<TestDocument, bool>> filter = x => x.Id == documents[0].Id;
+        var (context, cursor) = SetupAsyncGet(documents, collection);
+
+
+        // Act
+        var result = await Sut.GetAllAsync<TestDocument, Guid>(filter);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        cursor.Verify(x => x.Current, Times.Exactly(documents.Count));
+        cursor.Verify(x => x.MoveNextAsync(CancellationToken.None), Times.Exactly(documents.Count + 1));
+        result.Should().NotBeNull();
+        result.Should().OnlyContain(x => documents.Contains(x));
+    }
+
+    [Fact]
+    public async Task WithFilterAndCancellationToken_GetsMatchingDocuments()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var token = new CancellationToken(false);
+        Expression<Func<TestDocument, bool>> filter = x => x.Id == documents[0].Id;
+        var (context, cursor) = SetupAsyncGet(documents, collection);
+
+        // Act
+        var result = await Sut.GetAllAsync<TestDocument, Guid>(filter, cancellationToken: token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        cursor.Verify(x => x.Current, Times.Exactly(documents.Count));
+        cursor.Verify(x => x.MoveNextAsync(token), Times.Exactly(documents.Count + 1));
+        result.Should().NotBeNull();
+        result.Should().OnlyContain(x => documents.Contains(x));
+    }
+
+    [Fact]
+    public async Task WithFilterAndPartitionKey_GetsMatchingDocuments()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        Expression<Func<TestDocument, bool>> filter = x => x.Id == documents[0].Id;
+        var (context, cursor) = SetupAsyncGet(documents, collection, partitionKey);
+
+        // Act
+        var result = await Sut.GetAllAsync<TestDocument, Guid>(filter, partitionKey);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        cursor.Verify(x => x.Current, Times.Exactly(documents.Count));
+        cursor.Verify(x => x.MoveNextAsync(CancellationToken.None), Times.Exactly(documents.Count + 1));
+        result.Should().NotBeNull();
+        result.Should().OnlyContain(x => documents.Contains(x));
+    }
+
+    [Fact]
+    public async Task WithFilterAndPartitionKeyAndCancellationToken_GetsMatchingDocuments()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(false);
+        Expression<Func<TestDocument, bool>> filter = x => x.Id == documents[0].Id;
+        var (context, cursor) = SetupAsyncGet(documents, collection, partitionKey);
+
+        // Act
+        var result = await Sut.GetAllAsync<TestDocument, Guid>(filter, partitionKey, token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        cursor.Verify(x => x.Current, Times.Exactly(documents.Count));
+        cursor.Verify(x => x.MoveNextAsync(token), Times.Exactly(documents.Count + 1));
+        result.Should().NotBeNull();
+        result.Should().OnlyContain(x => documents.Contains(x));
+    }
+
+    [Fact]
+    public async Task WithCondition_GetsMatchingDocuments()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var condition = Builders<TestDocument>.Filter.Eq("Id", documents[0].Id);
+        var (context, cursor) = SetupAsyncGet(documents, collection);
+
+        // Act
+        var result = await Sut.GetAllAsync<TestDocument, Guid>(condition);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        cursor.Verify(x => x.Current, Times.Exactly(documents.Count));
+        cursor.Verify(x => x.MoveNextAsync(CancellationToken.None), Times.Exactly(documents.Count + 1));
+        result.Should().NotBeNull();
+        result.Should().OnlyContain(x => documents.Contains(x));
+    }
+
+    [Fact]
+    public async Task WithConditionAndCancellationToken_GetsMatchingDocuments()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var condition = Builders<TestDocument>.Filter.Eq("Id", documents[0].Id);
+        var token = new CancellationToken(false);
+        var (context, cursor) = SetupAsyncGet(documents, collection);
+
+        // Act
+        var result = await Sut.GetAllAsync<TestDocument, Guid>(condition, cancellationToken: token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        cursor.Verify(x => x.Current, Times.Exactly(documents.Count));
+        cursor.Verify(x => x.MoveNextAsync(token), Times.Exactly(documents.Count + 1));
+        result.Should().NotBeNull();
+        result.Should().OnlyContain(x => documents.Contains(x));
+    }
+
+    [Fact]
+    public async Task WithConditionAndPartitionKey_GetsMatchingDocuments()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var condition = Builders<TestDocument>.Filter.Eq("Id", documents[0].Id);
+        var partitionKey = Fixture.Create<string>();
+        var (context, cursor) = SetupAsyncGet(documents, collection, partitionKey);
+
+        // Act
+        var result = await Sut.GetAllAsync<TestDocument, Guid>(condition, partitionKey: partitionKey);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(CancellationToken.None), Times.Exactly(documents.Count + 1));
+        cursor.Verify(x => x.Current, Times.Exactly(documents.Count));
+        result.Should().NotBeNull();
+        result.Should().OnlyContain(x => documents.Contains(x));
+    }
+
+    [Fact]
+    public async Task WithConditionAndPartitionKeyAndCancellationToken_GetsMatchingDocuments()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var condition = Builders<TestDocument>.Filter.Eq("Id", documents[0].Id);
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(false);
+        var (context, cursor) = SetupAsyncGet(documents, collection, partitionKey);
+
+        // Act
+        var result = await Sut.GetAllAsync<TestDocument, Guid>(condition, partitionKey: partitionKey, cancellationToken: token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        cursor.Verify(x => x.Current, Times.Exactly(documents.Count));
+        cursor.Verify(x => x.MoveNextAsync(token), Times.Exactly(documents.Count + 1));
+        result.Should().NotBeNull();
+        result.Should().OnlyContain(x => documents.Contains(x));
+    }
+
+    [Fact]
+    public async Task WithConditionAndFindOptions_GetsMatchingDocuments()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var options = Fixture
+            .Build<FindOptions>()
+            .Without(x => x.Comment)
+            .Without(x => x.Hint)
+            .Create();
+        var condition = Builders<TestDocument>.Filter.Eq("Id", documents[0].Id);
+        var (context, cursor) = SetupAsyncGet(documents, collection);
+
+        // Act
+        var result = await Sut.GetAllAsync<TestDocument, Guid>(condition, options);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        cursor.Verify(x => x.Current, Times.Exactly(documents.Count));
+        cursor.Verify(x => x.MoveNextAsync(CancellationToken.None), Times.Exactly(documents.Count + 1));
+        result.Should().NotBeNull();
+        result.Should().OnlyContain(x => documents.Contains(x));
+    }
+
+    [Fact]
+    public async Task WithConditionAndFindOptionsAndCancellationToken_GetsMatchingDocuments()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var options = Fixture
+            .Build<FindOptions>()
+            .Without(x => x.Comment)
+            .Without(x => x.Hint)
+            .Create();
+        var condition = Builders<TestDocument>.Filter.Eq("Id", documents[0].Id);
+        var token = new CancellationToken(false);
+        var (context, cursor) = SetupAsyncGet(documents, collection);
+
+        // Act
+        var result = await Sut.GetAllAsync<TestDocument, Guid>(condition, options, cancellationToken: token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        cursor.Verify(x => x.Current, Times.Exactly(documents.Count));
+        cursor.Verify(x => x.MoveNextAsync(token), Times.Exactly(documents.Count + 1));
+        result.Should().NotBeNull();
+        result.Should().OnlyContain(x => documents.Contains(x));
+    }
+
+    [Fact]
+    public async Task WithConditionAndFindOptionsAndPartitionKeyAndCancellationToken_GetsMatchingDocuments()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var options = Fixture
+            .Build<FindOptions>()
+            .Without(x => x.Comment)
+            .Without(x => x.Hint)
+            .Create();
+        var condition = Builders<TestDocument>.Filter.Eq("Id", documents[0].Id);
+        var token = new CancellationToken(false);
+        var partitionKey = Fixture.Create<string>();
+        var (context, cursor) = SetupAsyncGet(documents, collection, partitionKey);
+
+        // Act
+        var result = await Sut.GetAllAsync<TestDocument, Guid>(condition, options, partitionKey, token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        cursor.Verify(x => x.Current, Times.Exactly(documents.Count));
+        cursor.Verify(x => x.MoveNextAsync(token), Times.Exactly(documents.Count + 1));
+        result.Should().NotBeNull();
+        result.Should().OnlyContain(x => documents.Contains(x));
+    }
+
+    private (Mock<IMongoDbContext>, Mock<IAsyncCursor<TDocument>>) SetupAsyncGet<TDocument>(
+        List<TDocument> documents,
+        Mock<IMongoCollection<TDocument>> collection,
+        string partitionKey = null)
+    {
+        var asyncCursor = SetupAsyncCursor(documents);
+
+        SetupFindAsync(collection, asyncCursor);
+
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TDocument>(partitionKey))
+            .Returns(collection.Object);
+
+        return (context, asyncCursor);
+    }
+}

CoreUnitTests/DataAccessTests/MongoDbReaderTests/GetByMaxAsyncTests.cs

@@ -0,0 +1,115 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using AutoFixture;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDB.Driver;
+using MongoDbGenericRepository;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.DataAccessTests.MongoDbReaderTests;
+
+public class GetByIdAsyncTests : BaseReaderTests
+{
+    [Fact]
+    public async Task WithId_GetsMatchingDocument()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var (context, cursor) = SetupAsyncGet(documents, collection);
+
+        // Act
+        var result = await Sut.GetByIdAsync<TestDocument, Guid>(documents[0].Id);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(CancellationToken.None), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    [Fact]
+    public async Task WithIdAndCancellationToken_GetsMatchingDocument()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var token = new CancellationToken(true);
+        var (context, cursor) = SetupAsyncGet(documents, collection);
+
+        // Act
+        var result = await Sut.GetByIdAsync<TestDocument, Guid>(documents[0].Id, cancellationToken: token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(token), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    [Fact]
+    public async Task WithIdAndPartitionKey_GetsMatchingDocument()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var (context, cursor) = SetupAsyncGet(documents, collection, partitionKey);
+
+        // Act
+        var result = await Sut.GetByIdAsync<TestDocument, Guid>(documents[0].Id, partitionKey);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(CancellationToken.None), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    [Fact]
+    public async Task WithIdAndPartitionKeyAndCancellationToken_GetsMatchingDocument()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+        var (context, cursor) = SetupAsyncGet(documents, collection, partitionKey);
+
+        // Act
+        var result = await Sut.GetByIdAsync<TestDocument, Guid>(documents[0].Id, partitionKey, token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(token), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    private (Mock<IMongoDbContext>, Mock<IAsyncCursor<TDocument>>) SetupAsyncGet<TDocument>(
+        List<TDocument> documents,
+        Mock<IMongoCollection<TDocument>> collection,
+        string partitionKey = null)
+    {
+        var asyncCursor = SetupAsyncCursor(documents);
+
+        SetupFindAsync(collection, asyncCursor);
+
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TDocument>(partitionKey))
+            .Returns(collection.Object);
+
+        return (context, asyncCursor);
+    }
+}

CoreUnitTests/DataAccessTests/MongoDbReaderTests/GetByMaxTests.cs

@@ -0,0 +1,119 @@
+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.Model;
+using FluentAssertions;
+using MongoDB.Driver;
+using MongoDbGenericRepository;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.DataAccessTests.MongoDbReaderTests;
+
+public class GetByMaxAsyncTests : BaseReaderTests
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = x => x.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocument, object>> selector = x => x.SomeValue;
+
+    [Fact]
+    public async Task WithFilterAndSelector_GetsMatchingDocument()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var (context, cursor) = SetupAsyncGet(documents, collection);
+
+        // Act
+        var result = await Sut.GetByMaxAsync<TestDocument, Guid>(filter, selector);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(CancellationToken.None), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSelectorAndCancellationToken_GetsMatchingDocument()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var token = new CancellationToken(true);
+        var (context, cursor) = SetupAsyncGet(documents, collection);
+
+        // Act
+        var result = await Sut.GetByMaxAsync<TestDocument, Guid>(filter, selector, cancellationToken: token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(token), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSelectorAndPartitionKey_GetsMatchingDocument()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var (context, cursor) = SetupAsyncGet(documents, collection, partitionKey);
+
+        // Act
+        var result = await Sut.GetByMaxAsync<TestDocument, Guid>(filter, selector, partitionKey);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(CancellationToken.None), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsMatchingDocument()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+        var (context, cursor) = SetupAsyncGet(documents, collection, partitionKey);
+
+        // Act
+        var result = await Sut.GetByMaxAsync<TestDocument, Guid>(filter, selector, partitionKey, token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(token), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    private (Mock<IMongoDbContext>, Mock<IAsyncCursor<TDocument>>) SetupAsyncGet<TDocument>(
+        List<TDocument> documents,
+        Mock<IMongoCollection<TDocument>> collection,
+        string partitionKey = null)
+    {
+        var asyncCursor = SetupAsyncCursor(documents);
+
+        SetupFindAsync(collection, asyncCursor);
+
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TDocument>(partitionKey))
+            .Returns(collection.Object);
+
+        return (context, asyncCursor);
+    }
+}

CoreUnitTests/DataAccessTests/MongoDbReaderTests/GetByMinAsyncTests.cs

@@ -0,0 +1,119 @@
+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.Model;
+using FluentAssertions;
+using MongoDB.Driver;
+using MongoDbGenericRepository;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.DataAccessTests.MongoDbReaderTests;
+
+public class GetByMaxAsyncTests : BaseReaderTests
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = x => x.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocument, object>> selector = x => x.SomeValue;
+
+    [Fact]
+    public async Task WithFilterAndSelector_GetsMatchingDocument()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var (context, cursor) = SetupAsyncGet(documents, collection);
+
+        // Act
+        var result = await Sut.GetByMaxAsync<TestDocument, Guid>(filter, selector);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(CancellationToken.None), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSelectorAndCancellationToken_GetsMatchingDocument()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var token = new CancellationToken(true);
+        var (context, cursor) = SetupAsyncGet(documents, collection);
+
+        // Act
+        var result = await Sut.GetByMaxAsync<TestDocument, Guid>(filter, selector, cancellationToken: token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(token), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSelectorAndPartitionKey_GetsMatchingDocument()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var (context, cursor) = SetupAsyncGet(documents, collection, partitionKey);
+
+        // Act
+        var result = await Sut.GetByMaxAsync<TestDocument, Guid>(filter, selector, partitionKey);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(CancellationToken.None), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    [Fact]
+    public async Task WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsMatchingDocument()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+        var (context, cursor) = SetupAsyncGet(documents, collection, partitionKey);
+
+        // Act
+        var result = await Sut.GetByMaxAsync<TestDocument, Guid>(filter, selector, partitionKey, token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNextAsync(token), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    private (Mock<IMongoDbContext>, Mock<IAsyncCursor<TDocument>>) SetupAsyncGet<TDocument>(
+        List<TDocument> documents,
+        Mock<IMongoCollection<TDocument>> collection,
+        string partitionKey = null)
+    {
+        var asyncCursor = SetupAsyncCursor(documents);
+
+        SetupFindAsync(collection, asyncCursor);
+
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TDocument>(partitionKey))
+            .Returns(collection.Object);
+
+        return (context, asyncCursor);
+    }
+}

CoreUnitTests/DataAccessTests/MongoDbReaderTests/GetByMinTests.cs

@@ -0,0 +1,119 @@
+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.Model;
+using FluentAssertions;
+using MongoDB.Driver;
+using MongoDbGenericRepository;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.DataAccessTests.MongoDbReaderTests;
+
+public class GetByMaxTests : BaseReaderTests
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = x => x.SomeContent == "SomeContent";
+    private readonly Expression<Func<TestDocument, object>> selector = x => x.SomeValue;
+
+    [Fact]
+    public void WithFilterAndSelector_GetsMatchingDocument()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var (context, cursor) = SetupSyncGet(documents, collection);
+
+        // Act
+        var result = Sut.GetByMax<TestDocument, Guid>(filter, selector);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNext(CancellationToken.None), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    [Fact]
+    public void WithFilterAndSelectorAndCancellationToken_GetsMatchingDocument()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var token = new CancellationToken(true);
+        var (context, cursor) = SetupSyncGet(documents, collection);
+
+        // Act
+        var result = Sut.GetByMax<TestDocument, Guid>(filter, selector, cancellationToken: token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNext(token), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    [Fact]
+    public void WithFilterAndSelectorAndPartitionKey_GetsMatchingDocument()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var (context, cursor) = SetupSyncGet(documents, collection, partitionKey);
+
+        // Act
+        var result = Sut.GetByMax<TestDocument, Guid>(filter, selector, partitionKey);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNext(CancellationToken.None), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    [Fact]
+    public void WithFilterAndSelectorAndPartitionKeyAndCancellationToken_GetsMatchingDocument()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+        var (context, cursor) = SetupSyncGet(documents, collection, partitionKey);
+
+        // Act
+        var result = Sut.GetByMax<TestDocument, Guid>(filter, selector, partitionKey, token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        cursor.Verify(x => x.Current, Times.Once);
+        cursor.Verify(x => x.MoveNext(token), Times.Once);
+        result.Should().NotBeNull();
+        result.Should().Be(documents[0]);
+    }
+
+    private (Mock<IMongoDbContext>, Mock<IAsyncCursor<TDocument>>) SetupSyncGet<TDocument>(
+        List<TDocument> documents,
+        Mock<IMongoCollection<TDocument>> collection,
+        string partitionKey = null)
+    {
+        var asyncCursor = SetupSyncCursor(documents);
+
+        SetupFindSync(collection, asyncCursor);
+
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TDocument>(partitionKey))
+            .Returns(collection.Object);
+
+        return (context, asyncCursor);
+    }
+}