diff --git a/CoreUnitTests/DataAccessTests/MongoDbReaderTests/AnyAsyncTests.cs b/CoreUnitTests/DataAccessTests/MongoDbReaderTests/AnyAsyncTests.cs
new file mode 100644
index 0000000..a1e38a3
--- /dev/null
+++ b/CoreUnitTests/DataAccessTests/MongoDbReaderTests/AnyAsyncTests.cs
@@ -0,0 +1,282 @@
+using System;
+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 AnyAsyncTests : BaseReaderTests
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = x => x.SomeContent == "SomeContent";
+
+    [Fact]
+    public async Task WithFilter_ReturnsResult()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(null))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocumentsAsync(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(documents.Count);
+
+        // Act
+        var result = await Sut.AnyAsync<TestDocument, Guid>(filter);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        collection.Verify(
+            x => x.CountDocumentsAsync(It.Is<ExpressionFilterDefinition<TestDocument>>(y => y.Expression == filter), null, CancellationToken.None),
+            Times.Once);
+        result.Should().BeTrue();
+    }
+
+    [Fact]
+    public async Task WithFilterAndCancellationToken_ReturnsResult()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var token = new CancellationToken(true);
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(null))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocumentsAsync(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(documents.Count);
+
+        // Act
+        var result = await Sut.AnyAsync<TestDocument, Guid>(filter, cancellationToken: token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        collection.Verify(
+            x => x.CountDocumentsAsync(It.Is<ExpressionFilterDefinition<TestDocument>>(y => y.Expression == filter), null, token),
+            Times.Once);
+        result.Should().BeTrue();
+    }
+
+    [Fact]
+    public async Task WithFilterAndPartitionKey_ReturnsResult()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(partitionKey))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocumentsAsync(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(documents.Count);
+
+        // Act
+        var result = await Sut.AnyAsync<TestDocument, Guid>(filter, partitionKey);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        collection.Verify(
+            x => x.CountDocumentsAsync(It.Is<ExpressionFilterDefinition<TestDocument>>(y => y.Expression == filter), null, CancellationToken.None),
+            Times.Once);
+        result.Should().BeTrue();
+    }
+
+    [Fact]
+    public async Task WithFilterAndPartitionKeyAndCancellationToken_ReturnsResult()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(partitionKey))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocumentsAsync(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(documents.Count);
+
+        // Act
+        var result = await Sut.AnyAsync<TestDocument, Guid>(filter, partitionKey, token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        collection.Verify(
+            x => x.CountDocumentsAsync(It.Is<ExpressionFilterDefinition<TestDocument>>(y => y.Expression == filter), null, token),
+            Times.Once);
+        result.Should().BeTrue();
+    }
+
+    [Fact]
+    public async Task WithCondition_ReturnsResult()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var condition = Builders<TestDocument>.Filter.Eq("Id", documents[0].Id);
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(null))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocumentsAsync(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(documents.Count);
+
+        // Act
+        var result = await Sut.AnyAsync<TestDocument, Guid>(condition);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        collection.Verify(
+            x => x.CountDocumentsAsync(condition, null, CancellationToken.None),
+            Times.Once);
+        result.Should().BeTrue();
+    }
+
+    [Fact]
+    public async Task WithConditionAndCancellationToken_ReturnsResult()
+    {
+        // 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 = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(null))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocumentsAsync(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(documents.Count);
+
+        // Act
+        var result = await Sut.AnyAsync<TestDocument, Guid>(condition, cancellationToken: token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        collection.Verify(
+            x => x.CountDocumentsAsync(condition, null, token),
+            Times.Once);
+        result.Should().BeTrue();
+    }
+
+    [Fact]
+    public async Task WithConditionAndPartitionKey_ReturnsResult()
+    {
+        // 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 = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(partitionKey))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocumentsAsync(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(documents.Count);
+
+        // Act
+        var result = await Sut.AnyAsync<TestDocument, Guid>(condition, partitionKey: partitionKey);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        collection.Verify(
+            x => x.CountDocumentsAsync(condition, null, CancellationToken.None),
+            Times.Once);
+        result.Should().BeTrue();
+    }
+
+    [Fact]
+    public async Task WithConditionAndPartitionKeyAndCancellationToken_ReturnsResult()
+    {
+        // 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 = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(partitionKey))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocumentsAsync(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(documents.Count);
+
+        // Act
+        var result = await Sut.AnyAsync<TestDocument, Guid>(condition, partitionKey: partitionKey, cancellationToken:token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        collection.Verify(
+            x => x.CountDocumentsAsync(condition, null, token),
+            Times.Once);
+        result.Should().BeTrue();
+    }
+}
diff --git a/CoreUnitTests/DataAccessTests/MongoDbReaderTests/AnyTests.cs b/CoreUnitTests/DataAccessTests/MongoDbReaderTests/AnyTests.cs
new file mode 100644
index 0000000..a58acaa
--- /dev/null
+++ b/CoreUnitTests/DataAccessTests/MongoDbReaderTests/AnyTests.cs
@@ -0,0 +1,281 @@
+using System;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Threading;
+using AutoFixture;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDB.Driver;
+using MongoDbGenericRepository;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.DataAccessTests.MongoDbReaderTests;
+
+public class AnyTests : BaseReaderTests
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = x => x.SomeContent == "SomeContent";
+
+    [Fact]
+    public void WithFilter_ReturnsResult()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(null))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocuments(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(documents.Count);
+
+        // Act
+        var result = Sut.Any<TestDocument, Guid>(filter);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        collection.Verify(
+            x => x.CountDocuments(It.Is<ExpressionFilterDefinition<TestDocument>>(y => y.Expression == filter), null, CancellationToken.None),
+            Times.Once);
+        result.Should().BeTrue();
+    }
+
+    [Fact]
+    public void WithFilterAndCancellationToken_ReturnsResult()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var token = new CancellationToken(true);
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(null))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocuments(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(documents.Count);
+
+        // Act
+        var result = Sut.Any<TestDocument, Guid>(filter, cancellationToken: token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        collection.Verify(
+            x => x.CountDocuments(It.Is<ExpressionFilterDefinition<TestDocument>>(y => y.Expression == filter), null, token),
+            Times.Once);
+        result.Should().BeTrue();
+    }
+
+    [Fact]
+    public void WithFilterAndPartitionKey_ReturnsResult()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(partitionKey))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocuments(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(documents.Count);
+
+        // Act
+        var result = Sut.Any<TestDocument, Guid>(filter, partitionKey);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        collection.Verify(
+            x => x.CountDocuments(It.Is<ExpressionFilterDefinition<TestDocument>>(y => y.Expression == filter), null, CancellationToken.None),
+            Times.Once);
+        result.Should().BeTrue();
+    }
+
+    [Fact]
+    public void WithFilterAndPartitionKeyAndCancellationToken_ReturnsResult()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(partitionKey))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocuments(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(documents.Count);
+
+        // Act
+        var result = Sut.Any<TestDocument, Guid>(filter, partitionKey, token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        collection.Verify(
+            x => x.CountDocuments(It.Is<ExpressionFilterDefinition<TestDocument>>(y => y.Expression == filter), null, token),
+            Times.Once);
+        result.Should().BeTrue();
+    }
+
+    [Fact]
+    public void WithCondition_ReturnsResult()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var condition = Builders<TestDocument>.Filter.Eq("Id", documents[0].Id);
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(null))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocuments(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(documents.Count);
+
+        // Act
+        var result = Sut.Any<TestDocument, Guid>(condition);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        collection.Verify(
+            x => x.CountDocuments(condition, null, CancellationToken.None),
+            Times.Once);
+        result.Should().BeTrue();
+    }
+
+    [Fact]
+    public void WithConditionAndCancellationToken_ReturnsResult()
+    {
+        // 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 = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(null))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocuments(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(documents.Count);
+
+        // Act
+        var result = Sut.Any<TestDocument, Guid>(condition, cancellationToken: token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        collection.Verify(
+            x => x.CountDocuments(condition, null, token),
+            Times.Once);
+        result.Should().BeTrue();
+    }
+
+    [Fact]
+    public void WithConditionAndPartitionKey_ReturnsResult()
+    {
+        // 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 = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(partitionKey))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocuments(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(documents.Count);
+
+        // Act
+        var result = Sut.Any<TestDocument, Guid>(condition, partitionKey: partitionKey);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        collection.Verify(
+            x => x.CountDocuments(condition, null, CancellationToken.None),
+            Times.Once);
+        result.Should().BeTrue();
+    }
+
+    [Fact]
+    public void WithConditionAndPartitionKeyAndCancellationToken_ReturnsResult()
+    {
+        // 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 = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(partitionKey))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocuments(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(documents.Count);
+
+        // Act
+        var result = Sut.Any<TestDocument, Guid>(condition, partitionKey: partitionKey, cancellationToken: token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        collection.Verify(
+            x => x.CountDocuments(condition, null, token),
+            Times.Once);
+        result.Should().BeTrue();
+    }
+}
diff --git a/CoreUnitTests/DataAccessTests/MongoDbReaderTests/CountAsyncTests.cs b/CoreUnitTests/DataAccessTests/MongoDbReaderTests/CountAsyncTests.cs
new file mode 100644
index 0000000..22e22ac
--- /dev/null
+++ b/CoreUnitTests/DataAccessTests/MongoDbReaderTests/CountAsyncTests.cs
@@ -0,0 +1,282 @@
+using System;
+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 CountAsyncTests : BaseReaderTests
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = x => x.SomeContent == "SomeContent";
+
+    [Fact]
+    public async Task WithFilter_ReturnsResult()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(null))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocumentsAsync(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(documents.Count);
+
+        // Act
+        var result = await Sut.CountAsync<TestDocument, Guid>(filter);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        collection.Verify(
+            x => x.CountDocumentsAsync(It.Is<ExpressionFilterDefinition<TestDocument>>(y => y.Expression == filter), null, CancellationToken.None),
+            Times.Once);
+        result.Should().Be(documents.Count);
+    }
+
+    [Fact]
+    public async Task WithFilterAndCancellationToken_ReturnsResult()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var token = new CancellationToken(true);
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(null))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocumentsAsync(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(documents.Count);
+
+        // Act
+        var result = await Sut.CountAsync<TestDocument, Guid>(filter, cancellationToken: token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        collection.Verify(
+            x => x.CountDocumentsAsync(It.Is<ExpressionFilterDefinition<TestDocument>>(y => y.Expression == filter), null, token),
+            Times.Once);
+        result.Should().Be(documents.Count);
+    }
+
+    [Fact]
+    public async Task WithFilterAndPartitionKey_ReturnsResult()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(partitionKey))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocumentsAsync(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(documents.Count);
+
+        // Act
+        var result = await Sut.CountAsync<TestDocument, Guid>(filter, partitionKey);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        collection.Verify(
+            x => x.CountDocumentsAsync(It.Is<ExpressionFilterDefinition<TestDocument>>(y => y.Expression == filter), null, CancellationToken.None),
+            Times.Once);
+        result.Should().Be(documents.Count);
+    }
+
+    [Fact]
+    public async Task WithFilterAndPartitionKeyAndCancellationToken_ReturnsResult()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(partitionKey))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocumentsAsync(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(documents.Count);
+
+        // Act
+        var result = await Sut.CountAsync<TestDocument, Guid>(filter, partitionKey, token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        collection.Verify(
+            x => x.CountDocumentsAsync(It.Is<ExpressionFilterDefinition<TestDocument>>(y => y.Expression == filter), null, token),
+            Times.Once);
+        result.Should().Be(documents.Count);
+    }
+
+    [Fact]
+    public async Task WithCondition_ReturnsResult()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var condition = Builders<TestDocument>.Filter.Eq("Id", documents[0].Id);
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(null))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocumentsAsync(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(documents.Count);
+
+        // Act
+        var result = await Sut.CountAsync<TestDocument, Guid>(condition);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        collection.Verify(
+            x => x.CountDocumentsAsync(condition, null, CancellationToken.None),
+            Times.Once);
+        result.Should().Be(documents.Count);
+    }
+
+    [Fact]
+    public async Task WithConditionAndCancellationToken_ReturnsResult()
+    {
+        // 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 = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(null))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocumentsAsync(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(documents.Count);
+
+        // Act
+        var result = await Sut.CountAsync<TestDocument, Guid>(condition, cancellationToken: token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        collection.Verify(
+            x => x.CountDocumentsAsync(condition, null, token),
+            Times.Once);
+        result.Should().Be(documents.Count);
+    }
+
+    [Fact]
+    public async Task WithConditionAndPartitionKey_ReturnsResult()
+    {
+        // 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 = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(partitionKey))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocumentsAsync(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(documents.Count);
+
+        // Act
+        var result = await Sut.CountAsync<TestDocument, Guid>(condition, partitionKey: partitionKey);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        collection.Verify(
+            x => x.CountDocumentsAsync(condition, null, CancellationToken.None),
+            Times.Once);
+        result.Should().Be(documents.Count);
+    }
+
+    [Fact]
+    public async Task WithConditionAndPartitionKeyAndCancellationToken_ReturnsResult()
+    {
+        // 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 = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(partitionKey))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocumentsAsync(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .ReturnsAsync(documents.Count);
+
+        // Act
+        var result = await Sut.CountAsync<TestDocument, Guid>(condition, partitionKey: partitionKey, cancellationToken:token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        collection.Verify(
+            x => x.CountDocumentsAsync(condition, null, token),
+            Times.Once);
+        result.Should().Be(documents.Count);
+    }
+}
diff --git a/CoreUnitTests/DataAccessTests/MongoDbReaderTests/CountTests.cs b/CoreUnitTests/DataAccessTests/MongoDbReaderTests/CountTests.cs
new file mode 100644
index 0000000..bdcdba6
--- /dev/null
+++ b/CoreUnitTests/DataAccessTests/MongoDbReaderTests/CountTests.cs
@@ -0,0 +1,281 @@
+using System;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Threading;
+using AutoFixture;
+using CoreUnitTests.Infrastructure.Model;
+using FluentAssertions;
+using MongoDB.Driver;
+using MongoDbGenericRepository;
+using Moq;
+using Xunit;
+
+namespace CoreUnitTests.DataAccessTests.MongoDbReaderTests;
+
+public class CountTests : BaseReaderTests
+{
+    private readonly Expression<Func<TestDocument, bool>> filter = x => x.SomeContent == "SomeContent";
+
+    [Fact]
+    public void WithFilter_ReturnsResult()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(null))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocuments(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(documents.Count);
+
+        // Act
+        var result = Sut.Count<TestDocument, Guid>(filter);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        collection.Verify(
+            x => x.CountDocuments(It.Is<ExpressionFilterDefinition<TestDocument>>(y => y.Expression == filter), It.IsAny<CountOptions>(), CancellationToken.None),
+            Times.Once);
+        result.Should().Be(documents.Count);
+    }
+
+    [Fact]
+    public void WithFilterAndCancellationToken_ReturnsResult()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var token = new CancellationToken(true);
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(null))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocuments(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(documents.Count);
+
+        // Act
+        var result = Sut.Count<TestDocument, Guid>(filter, cancellationToken: token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        collection.Verify(
+            x => x.CountDocuments(It.Is<ExpressionFilterDefinition<TestDocument>>(y => y.Expression == filter), It.IsAny<CountOptions>(), token),
+            Times.Once);
+        result.Should().Be(documents.Count);
+    }
+
+    [Fact]
+    public void WithFilterAndPartitionKey_ReturnsResult()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(partitionKey))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocuments(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(documents.Count);
+
+        // Act
+        var result = Sut.Count<TestDocument, Guid>(filter, partitionKey);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        collection.Verify(
+            x => x.CountDocuments(It.Is<ExpressionFilterDefinition<TestDocument>>(y => y.Expression == filter), It.IsAny<CountOptions>(), CancellationToken.None),
+            Times.Once);
+        result.Should().Be(documents.Count);
+    }
+
+    [Fact]
+    public void WithFilterAndPartitionKeyAndCancellationToken_ReturnsResult()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var partitionKey = Fixture.Create<string>();
+        var token = new CancellationToken(true);
+
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(partitionKey))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocuments(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(documents.Count);
+
+        // Act
+        var result = Sut.Count<TestDocument, Guid>(filter, partitionKey, token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        collection.Verify(
+            x => x.CountDocuments(It.Is<ExpressionFilterDefinition<TestDocument>>(y => y.Expression == filter), It.IsAny<CountOptions>(), token),
+            Times.Once);
+        result.Should().Be(documents.Count);
+    }
+
+    [Fact]
+    public void WithCondition_ReturnsResult()
+    {
+        // Arrange
+        var collection = MockOf<IMongoCollection<TestDocument>>();
+        var documents = Fixture.CreateMany<TestDocument>().ToList();
+        var condition = Builders<TestDocument>.Filter.Eq("Id", documents[0].Id);
+        var context = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(null))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocuments(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(documents.Count);
+
+        // Act
+        var result = Sut.Count<TestDocument, Guid>(condition);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        collection.Verify(
+            x => x.CountDocuments(condition, null, CancellationToken.None),
+            Times.Once);
+        result.Should().Be(documents.Count);
+    }
+
+    [Fact]
+    public void WithConditionAndCancellationToken_ReturnsResult()
+    {
+        // 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 = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(null))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocuments(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(documents.Count);
+
+        // Act
+        var result = Sut.Count<TestDocument, Guid>(condition, cancellationToken: token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(null), Times.Once);
+        collection.Verify(
+            x => x.CountDocuments(condition, null, token),
+            Times.Once);
+        result.Should().Be(documents.Count);
+    }
+
+    [Fact]
+    public void WithConditionAndPartitionKey_ReturnsResult()
+    {
+        // 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 = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(partitionKey))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocuments(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(documents.Count);
+
+        // Act
+        var result = Sut.Count<TestDocument, Guid>(condition, partitionKey: partitionKey);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        collection.Verify(
+            x => x.CountDocuments(condition, null, CancellationToken.None),
+            Times.Once);
+        result.Should().Be(documents.Count);
+    }
+
+    [Fact]
+    public void WithConditionAndPartitionKeyAndCancellationToken_ReturnsResult()
+    {
+        // 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 = MockOf<IMongoDbContext>();
+
+        context
+            .Setup(x => x.GetCollection<TestDocument>(partitionKey))
+            .Returns(collection.Object);
+
+        collection
+            .Setup(
+                x => x.CountDocuments(
+                    It.IsAny<FilterDefinition<TestDocument>>(),
+                    It.IsAny<CountOptions>(),
+                    It.IsAny<CancellationToken>()))
+            .Returns(documents.Count);
+
+        // Act
+        var result = Sut.Count<TestDocument, Guid>(condition, partitionKey: partitionKey, cancellationToken: token);
+
+        // Assert
+        context.Verify(x => x.GetCollection<TestDocument>(partitionKey), Times.Once);
+        collection.Verify(
+            x => x.CountDocuments(condition, null, token),
+            Times.Once);
+        result.Should().Be(documents.Count);
+    }
+}