From 0844c51566ed7510216df3fb6051dbb5eb2bb319 Mon Sep 17 00:00:00 2001
From: Alexandre SPIESER <a.spieser@gmail.com>
Date: Sat, 6 Jun 2020 11:28:46 +0100
Subject: [PATCH] update many implementation, with tests

---
 .../CoreIntegrationTests.csproj               |   5 +-
 ...ase.cs => MongoDbDocumentTestBase.Main.cs} | 156 +------
 .../MongoDbDocumentTestBase.Update.cs         | 381 ++++++++++++++++++
 ...cs => MongoDbTKeyDocumentTestBase.Main.cs} | 156 +------
 .../MongoDbTKeyDocumentTestBase.Update.cs     | 377 +++++++++++++++++
 .../IBaseMongoRepository_Update.cs            | 104 +++++
 .../BaseMongoRepository.Update.cs             | 240 +++++++++++
 .../DataAccess/Update/MongoDbUpdater.cs       | 124 ++++++
 .../BaseMongoRepository.TKey.Update.cs        | 199 +++++++++
 MongoDbGenericRepository/Models/IDocument.cs  |   3 +-
 10 files changed, 1432 insertions(+), 313 deletions(-)
 rename CoreIntegrationTests/Infrastructure/{MongoDbDocumentTestBase.cs => MongoDbDocumentTestBase.Main.cs} (85%)
 create mode 100644 CoreIntegrationTests/Infrastructure/MongoDbDocumentTestBase.Update.cs
 rename CoreIntegrationTests/Infrastructure/{MongoDbTKeyDocumentTestBase.cs => MongoDbTKeyDocumentTestBase.Main.cs} (86%)
 create mode 100644 CoreIntegrationTests/Infrastructure/MongoDbTKeyDocumentTestBase.Update.cs

diff --git a/CoreIntegrationTests/CoreIntegrationTests.csproj b/CoreIntegrationTests/CoreIntegrationTests.csproj
index 115d4aa..1fcb1a2 100644
--- a/CoreIntegrationTests/CoreIntegrationTests.csproj
+++ b/CoreIntegrationTests/CoreIntegrationTests.csproj
@@ -8,7 +8,6 @@
     <PackageReference Include="Microsoft.AspNetCore.Identity" Version="2.1.2" />
     <PackageReference Include="Microsoft.Extensions.Identity.Stores" Version="2.1.2" />
     <PackageReference Include="MongoDB.Driver" Version="2.9.3" />
-    <PackageReference Include="MongoDbGenericRepository" Version="1.4.3" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.console" Version="2.4.1">
       <PrivateAssets>all</PrivateAssets>
@@ -18,6 +17,10 @@
     <DotNetCliToolReference Include="dotnet-xunit" Version="2.3.0-beta4-build3742" />
   </ItemGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\MongoDbGenericRepository\MongoDbGenericRepository.csproj" />
+  </ItemGroup>
+
   <ItemGroup>
     <Reference Include="System.Configuration">
       <HintPath>..\..\..\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.6.1\System.Configuration.dll</HintPath>
diff --git a/CoreIntegrationTests/Infrastructure/MongoDbDocumentTestBase.cs b/CoreIntegrationTests/Infrastructure/MongoDbDocumentTestBase.Main.cs
similarity index 85%
rename from CoreIntegrationTests/Infrastructure/MongoDbDocumentTestBase.cs
rename to CoreIntegrationTests/Infrastructure/MongoDbDocumentTestBase.Main.cs
index 2e2a108..98fc846 100644
--- a/CoreIntegrationTests/Infrastructure/MongoDbDocumentTestBase.cs
+++ b/CoreIntegrationTests/Infrastructure/MongoDbDocumentTestBase.Main.cs
@@ -12,7 +12,7 @@ using Xunit;
 
 namespace CoreIntegrationTests.Infrastructure
 {
-    public abstract class MongoDbDocumentTestBase<T> :
+    public abstract partial class MongoDbDocumentTestBase<T> :
         IClassFixture<MongoDbTestFixture<T, Guid>>
         where T : TestDoc, new()
     {
@@ -347,160 +347,6 @@ namespace CoreIntegrationTests.Infrastructure
 
         #endregion Read
 
-        #region Update
-
-        [Fact]
-        public void UpdateOne()
-        {
-            // Arrange
-            var document = CreateTestDocument();
-            SUT.AddOne<T>(document);
-            var content = GetContent();
-            document.SomeContent = content;
-            // Act
-            var result = SUT.UpdateOne<T>(document);
-            // Assert
-            Assert.True(result);
-            var updatedDocument = SUT.GetById<T>(document.Id, PartitionKey);
-            Assert.True(null != updatedDocument, GetTestName());
-            Assert.True(content == updatedDocument.SomeContent, GetTestName());
-        }
-
-        [Fact]
-        public async Task UpdateOneAsync()
-        {
-            // Arrange
-            var document = CreateTestDocument();
-            SUT.AddOne<T>(document);
-            var content = GetContent();
-            document.SomeContent = content;
-            // Act
-            var result = await SUT.UpdateOneAsync<T>(document);
-            // Assert
-            Assert.True(result);
-            var updatedDocument = SUT.GetById<T>(document.Id, PartitionKey);
-            Assert.True(null != updatedDocument, GetTestName());
-            Assert.True(content == updatedDocument.SomeContent, GetTestName());
-        }
-
-        [Fact]
-        public void UpdateOneField()
-        {
-            // Arrange
-            var document = CreateTestDocument();
-            SUT.AddOne<T>(document);
-            var content = GetContent();
-            // Act
-            var result = SUT.UpdateOne<T, string>(document, x => x.SomeContent, content);
-            // Assert
-            Assert.True(result, GetTestName());
-            var updatedDocument = SUT.GetById<T>(document.Id, PartitionKey);
-            Assert.True(null != updatedDocument, GetTestName());
-            Assert.True(content == updatedDocument.SomeContent, GetTestName());
-        }
-
-        [Fact]
-        public async Task UpdateOneFieldAsync()
-        {
-            // Arrange
-            var document = CreateTestDocument();
-            SUT.AddOne<T>(document);
-            var content = GetContent();
-            // Act
-            var result = await SUT.UpdateOneAsync<T, string>(document, x => x.SomeContent, content);
-            // Assert
-            Assert.True(result, GetTestName());
-            var updatedDocument = SUT.GetById<T>(document.Id, PartitionKey);
-            Assert.True(null != updatedDocument, GetTestName());
-            Assert.True(content == updatedDocument.SomeContent, GetTestName());
-        }
-
-        [Fact]
-        public void UpdateOneFieldWithFilter()
-        {
-            // Arrange
-            var document = CreateTestDocument();
-            SUT.AddOne<T>(document);
-            var content = GetContent();
-            // Act
-            var result = SUT.UpdateOne<T, string>(x => x.Id.Equals(document.Id), x => x.SomeContent, content, PartitionKey);
-            // Assert
-            Assert.True(result, GetTestName());
-            var updatedDocument = SUT.GetById<T>(document.Id, PartitionKey);
-            Assert.True(null != updatedDocument, GetTestName());
-            Assert.True(content == updatedDocument.SomeContent, GetTestName());
-        }
-
-        [Fact]
-        public async Task UpdateOneFieldWithFilterAsync()
-        {
-            // Arrange
-            var document = CreateTestDocument();
-            SUT.AddOne<T>(document);
-            var content = GetContent();
-            // Act
-            var result = await SUT.UpdateOneAsync<T, string>(x => x.Id.Equals(document.Id), x => x.SomeContent, content, PartitionKey);
-            // Assert
-            Assert.True(result, GetTestName());
-            var updatedDocument = SUT.GetById<T>(document.Id, PartitionKey);
-            Assert.True(null != updatedDocument, GetTestName());
-            Assert.True(content == updatedDocument.SomeContent, GetTestName());
-        }
-
-        [Fact]
-        public async Task UpdateOneAsyncWithUpdateDefinition()
-        {
-            // Arrange
-            var document = CreateTestDocument();
-            SUT.AddOne<T>(document);
-            var childrenToAdd = new List<Child>
-            {
-                new Child("testType1", "testValue1"),
-                new Child("testType2", "testValue2")
-            };
-
-            var updateDef = MongoDB.Driver.Builders<T>.Update.AddToSetEach(p => p.Children, childrenToAdd);
-
-            // Act
-            var result = await SUT.UpdateOneAsync<T>(document, updateDef);
-            // Assert
-            Assert.True(result);
-            var updatedDocument = SUT.GetById<T>(document.Id, PartitionKey);
-            Assert.True(null != updatedDocument);
-            Assert.True(childrenToAdd[0].Type == updatedDocument.Children[0].Type, GetTestName());
-            Assert.True(childrenToAdd[0].Value == updatedDocument.Children[0].Value, GetTestName());
-            Assert.True(childrenToAdd[1].Type == updatedDocument.Children[1].Type, GetTestName());
-            Assert.True(childrenToAdd[1].Value == updatedDocument.Children[1].Value, GetTestName());
-        }
-
-        [Fact]
-        public void UpdateOneWithUpdateDefinition()
-        {
-            // Arrange
-            var document = CreateTestDocument();
-            SUT.AddOne<T>(document);
-            var childrenToAdd = new List<Child>
-            {
-                new Child("testType1", "testValue1"),
-                new Child("testType2", "testValue2")
-            };
-
-            var updateDef = MongoDB.Driver.Builders<T>.Update.AddToSetEach(p => p.Children, childrenToAdd);
-
-            // Act
-            var result = SUT.UpdateOne<T>(document, updateDef);
-            // Assert
-            Assert.True(result);
-            var updatedDocument = SUT.GetById<T>(document.Id, PartitionKey);
-            Assert.True(null != updatedDocument);
-            Assert.True(childrenToAdd[0].Type == updatedDocument.Children[0].Type, GetTestName());
-            Assert.True(childrenToAdd[0].Value == updatedDocument.Children[0].Value, GetTestName());
-            Assert.True(childrenToAdd[1].Type == updatedDocument.Children[1].Type, GetTestName());
-            Assert.True(childrenToAdd[1].Value == updatedDocument.Children[1].Value, GetTestName());
-        }
-
-        #endregion Update
-
         #region Delete
 
         [Fact]
diff --git a/CoreIntegrationTests/Infrastructure/MongoDbDocumentTestBase.Update.cs b/CoreIntegrationTests/Infrastructure/MongoDbDocumentTestBase.Update.cs
new file mode 100644
index 0000000..465ce1b
--- /dev/null
+++ b/CoreIntegrationTests/Infrastructure/MongoDbDocumentTestBase.Update.cs
@@ -0,0 +1,381 @@
+using MongoDB.Driver;
+using MongoDbGenericRepository;
+using MongoDbGenericRepository.Models;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Runtime.CompilerServices;
+using System.Threading;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace CoreIntegrationTests.Infrastructure
+{
+    public abstract partial class MongoDbDocumentTestBase<T> :
+        IClassFixture<MongoDbTestFixture<T, Guid>>
+        where T : TestDoc, new()
+    {
+        #region Update One
+
+        [Fact]
+        public void UpdateOne()
+        {
+            // Arrange
+            var document = CreateTestDocument();
+            SUT.AddOne<T>(document);
+            var content = GetContent();
+            document.SomeContent = content;
+            // Act
+            var result = SUT.UpdateOne<T>(document);
+            // Assert
+            Assert.True(result);
+            var updatedDocument = SUT.GetById<T>(document.Id, PartitionKey);
+            Assert.True(null != updatedDocument, GetTestName());
+            Assert.True(content == updatedDocument.SomeContent, GetTestName());
+        }
+
+        [Fact]
+        public async Task UpdateOneAsync()
+        {
+            // Arrange
+            var document = CreateTestDocument();
+            SUT.AddOne<T>(document);
+            var content = GetContent();
+            document.SomeContent = content;
+            // Act
+            var result = await SUT.UpdateOneAsync<T>(document);
+            // Assert
+            Assert.True(result);
+            var updatedDocument = SUT.GetById<T>(document.Id, PartitionKey);
+            Assert.True(null != updatedDocument, GetTestName());
+            Assert.True(content == updatedDocument.SomeContent, GetTestName());
+        }
+
+        [Fact]
+        public void UpdateOneField()
+        {
+            // Arrange
+            var document = CreateTestDocument();
+            SUT.AddOne<T>(document);
+            var content = GetContent();
+            // Act
+            var result = SUT.UpdateOne<T, string>(document, x => x.SomeContent, content);
+            // Assert
+            Assert.True(result, GetTestName());
+            var updatedDocument = SUT.GetById<T>(document.Id, PartitionKey);
+            Assert.True(null != updatedDocument, GetTestName());
+            Assert.True(content == updatedDocument.SomeContent, GetTestName());
+        }
+
+        [Fact]
+        public async Task UpdateOneFieldAsync()
+        {
+            // Arrange
+            var document = CreateTestDocument();
+            SUT.AddOne<T>(document);
+            var content = GetContent();
+            // Act
+            var result = await SUT.UpdateOneAsync<T, string>(document, x => x.SomeContent, content);
+            // Assert
+            Assert.True(result, GetTestName());
+            var updatedDocument = SUT.GetById<T>(document.Id, PartitionKey);
+            Assert.True(null != updatedDocument, GetTestName());
+            Assert.True(content == updatedDocument.SomeContent, GetTestName());
+        }
+
+        [Fact]
+        public void UpdateOneFieldWithFilter()
+        {
+            // Arrange
+            var document = CreateTestDocument();
+            SUT.AddOne<T>(document);
+            var content = GetContent();
+            // Act
+            var result = SUT.UpdateOne<T, string>(x => x.Id.Equals(document.Id), x => x.SomeContent, content, PartitionKey);
+            // Assert
+            Assert.True(result, GetTestName());
+            var updatedDocument = SUT.GetById<T>(document.Id, PartitionKey);
+            Assert.True(null != updatedDocument, GetTestName());
+            Assert.True(content == updatedDocument.SomeContent, GetTestName());
+        }
+
+        [Fact]
+        public async Task UpdateOneFieldWithFilterAsync()
+        {
+            // Arrange
+            var document = CreateTestDocument();
+            SUT.AddOne<T>(document);
+            var content = GetContent();
+            // Act
+            var result = await SUT.UpdateOneAsync<T, string>(x => x.Id.Equals(document.Id), x => x.SomeContent, content, PartitionKey);
+            // Assert
+            Assert.True(result, GetTestName());
+            var updatedDocument = SUT.GetById<T>(document.Id, PartitionKey);
+            Assert.True(null != updatedDocument, GetTestName());
+            Assert.True(content == updatedDocument.SomeContent, GetTestName());
+        }
+
+        [Fact]
+        public async Task UpdateOneAsyncWithUpdateDefinition()
+        {
+            // Arrange
+            var document = CreateTestDocument();
+            SUT.AddOne<T>(document);
+            var childrenToAdd = new List<Child>
+            {
+                new Child("testType1", "testValue1"),
+                new Child("testType2", "testValue2")
+            };
+
+            var updateDef = MongoDB.Driver.Builders<T>.Update.AddToSetEach(p => p.Children, childrenToAdd);
+
+            // Act
+            var result = await SUT.UpdateOneAsync<T>(document, updateDef);
+            // Assert
+            Assert.True(result);
+            var updatedDocument = SUT.GetById<T>(document.Id, PartitionKey);
+            Assert.True(null != updatedDocument);
+            Assert.True(childrenToAdd[0].Type == updatedDocument.Children[0].Type, GetTestName());
+            Assert.True(childrenToAdd[0].Value == updatedDocument.Children[0].Value, GetTestName());
+            Assert.True(childrenToAdd[1].Type == updatedDocument.Children[1].Type, GetTestName());
+            Assert.True(childrenToAdd[1].Value == updatedDocument.Children[1].Value, GetTestName());
+        }
+
+        [Fact]
+        public void UpdateOneWithUpdateDefinition()
+        {
+            // Arrange
+            var document = CreateTestDocument();
+            SUT.AddOne<T>(document);
+            var childrenToAdd = new List<Child>
+            {
+                new Child("testType1", "testValue1"),
+                new Child("testType2", "testValue2")
+            };
+
+            var updateDef = MongoDB.Driver.Builders<T>.Update.AddToSetEach(p => p.Children, childrenToAdd);
+
+            // Act
+            var result = SUT.UpdateOne<T>(document, updateDef);
+            // Assert
+            Assert.True(result);
+            var updatedDocument = SUT.GetById<T>(document.Id, PartitionKey);
+            Assert.True(null != updatedDocument);
+            Assert.True(childrenToAdd[0].Type == updatedDocument.Children[0].Type, GetTestName());
+            Assert.True(childrenToAdd[0].Value == updatedDocument.Children[0].Value, GetTestName());
+            Assert.True(childrenToAdd[1].Type == updatedDocument.Children[1].Type, GetTestName());
+            Assert.True(childrenToAdd[1].Value == updatedDocument.Children[1].Value, GetTestName());
+        }
+
+        #endregion Update One
+
+        #region Update Many
+
+        [Fact]
+        public async Task UpdateManyWithLinqFilterAsync()
+        {
+            // Arrange
+            var documents = CreateTestDocuments(2);
+            SUT.AddMany<T>(documents);
+            var docIds = documents.Select(u => u.Id).ToArray();
+            var content = GetContent();
+            // Act
+            var result = await SUT.UpdateManyAsync<T, string>(x => docIds.Contains(x.Id), x => x.SomeContent, content, PartitionKey);
+            // Assert
+            Assert.True(result == 2, GetTestName());
+            var updatedDocument = SUT.GetAll<T>(x => docIds.Contains(x.Id), PartitionKey);
+
+            Assert.True(updatedDocument.Count == 2);
+            Assert.True(updatedDocument.All(u => u.SomeContent == content), GetTestName());
+        }
+
+        [Fact]
+        public async Task UpdateManyWithFilterDefinitionAsync()
+        {
+            // Arrange
+            var documents = CreateTestDocuments(2);
+            SUT.AddMany<T>(documents);
+            var docIds = documents.Select(u => u.Id).ToArray();
+            var filterDefinition = Builders<T>.Filter.Where(x => docIds.Contains(x.Id));
+            var content = GetContent();
+            // Act
+            var result = await SUT.UpdateManyAsync<T, string>(filterDefinition, x => x.SomeContent, content, PartitionKey);
+            // Assert
+            Assert.True(result == 2, GetTestName());
+            var updatedDocument = SUT.GetAll<T>(x => docIds.Contains(x.Id), PartitionKey);
+
+            Assert.True(updatedDocument.Count == 2);
+            Assert.True(updatedDocument.All(u => u.SomeContent == content), GetTestName());
+        }
+
+        [Fact]
+        public async Task UpdateManyWithLinqFilterAndUpdateDefinitionAsync()
+        {
+            // Arrange
+            var documents = CreateTestDocuments(2);
+            SUT.AddMany<T>(documents);
+            var docIds = documents.Select(u => u.Id).ToArray();
+            var childrenToAdd = new List<Child>
+            {
+                new Child("testType1", "testValue1"),
+                new Child("testType2", "testValue2")
+            };
+
+            var updateDef = Builders<T>.Update.AddToSetEach(p => p.Children, childrenToAdd);
+            var content = GetContent();
+            // Act
+            var result = await SUT.UpdateManyAsync<T>(x => docIds.Contains(x.Id), updateDef, PartitionKey);
+            // Assert
+            Assert.True(result == 2, GetTestName());
+            var updatedDocuments = SUT.GetAll<T>(x => docIds.Contains(x.Id), PartitionKey);
+
+            Assert.True(updatedDocuments.Count == 2);
+            updatedDocuments.ForEach(updatedDocument =>
+            {
+                Assert.True(childrenToAdd[0].Type == updatedDocument.Children[0].Type, GetTestName());
+                Assert.True(childrenToAdd[0].Value == updatedDocument.Children[0].Value, GetTestName());
+                Assert.True(childrenToAdd[1].Type == updatedDocument.Children[1].Type, GetTestName());
+                Assert.True(childrenToAdd[1].Value == updatedDocument.Children[1].Value, GetTestName());
+            });
+        }
+
+        [Fact]
+        public async Task UpdateManyWithFilterAndUpdateDefinitionsAsync()
+        {
+            // Arrange
+            var documents = CreateTestDocuments(2);
+            SUT.AddMany<T>(documents);
+            var childrenToAdd = new List<Child>
+            {
+                new Child("testType1", "testValue1"),
+                new Child("testType2", "testValue2")
+            };
+
+            var updateDef = Builders<T>.Update.AddToSetEach(p => p.Children, childrenToAdd);
+
+            var docIds = documents.Select(u => u.Id).ToArray();
+            var filterDefinition = Builders<T>.Filter.Where(x => docIds.Contains(x.Id));
+            var content = GetContent();
+            // Act
+            var result = await SUT.UpdateManyAsync<T>(filterDefinition, updateDef, PartitionKey);
+            // Assert
+            Assert.True(result == 2, GetTestName());
+            var updatedDocuments = SUT.GetAll<T>(x => docIds.Contains(x.Id), PartitionKey);
+
+            Assert.True(updatedDocuments.Count == 2);
+            updatedDocuments.ForEach(updatedDocument =>
+            {
+                Assert.True(childrenToAdd[0].Type == updatedDocument.Children[0].Type, GetTestName());
+                Assert.True(childrenToAdd[0].Value == updatedDocument.Children[0].Value, GetTestName());
+                Assert.True(childrenToAdd[1].Type == updatedDocument.Children[1].Type, GetTestName());
+                Assert.True(childrenToAdd[1].Value == updatedDocument.Children[1].Value, GetTestName());
+            });
+        }
+
+
+        [Fact]
+        public void UpdateManyWithLinqFilter()
+        {
+            // Arrange
+            var documents = CreateTestDocuments(2);
+            SUT.AddMany<T>(documents);
+            var docIds = documents.Select(u => u.Id).ToArray();
+            var content = GetContent();
+            // Act
+            var result = SUT.UpdateMany<T, string>(x => docIds.Contains(x.Id), x => x.SomeContent, content, PartitionKey);
+            // Assert
+            Assert.True(result == 2, GetTestName());
+            var updatedDocument = SUT.GetAll<T>(x => docIds.Contains(x.Id), PartitionKey);
+            Assert.True(updatedDocument.Count == 2);
+            Assert.True(updatedDocument.All(u => u.SomeContent == content), GetTestName());
+        }
+
+        [Fact]
+        public void UpdateManyWithFilterDefinition()
+        {
+            // Arrange
+            var documents = CreateTestDocuments(2);
+            SUT.AddMany<T>(documents);
+            var docIds = documents.Select(u => u.Id).ToArray();
+            var filterDefinition = Builders<T>.Filter.Where(x => docIds.Contains(x.Id));
+            var content = GetContent();
+            // Act
+            var result = SUT.UpdateMany<T, string>(filterDefinition, x => x.SomeContent, content, PartitionKey);
+            // Assert
+            Assert.True(result == 2, GetTestName());
+            var updatedDocument = SUT.GetAll<T>(x => docIds.Contains(x.Id), PartitionKey);
+
+            Assert.True(updatedDocument.Count == 2);
+            Assert.True(updatedDocument.All(u => u.SomeContent == content), GetTestName());
+        }
+
+        [Fact]
+        public void UpdateManyWithLinqFilterAndUpdateDefinition()
+        {
+            // Arrange
+            var documents = CreateTestDocuments(2);
+            SUT.AddMany<T>(documents);
+            var docIds = documents.Select(u => u.Id).ToArray();
+            var childrenToAdd = new List<Child>
+            {
+                new Child("testType1", "testValue1"),
+                new Child("testType2", "testValue2")
+            };
+
+            var updateDef = Builders<T>.Update.AddToSetEach(p => p.Children, childrenToAdd);
+            var content = GetContent();
+            // Act
+            var result = SUT.UpdateMany<T>(x => docIds.Contains(x.Id), updateDef, PartitionKey);
+            // Assert
+            Assert.True(result == 2, GetTestName());
+            var updatedDocuments = SUT.GetAll<T>(x => docIds.Contains(x.Id), PartitionKey);
+
+            Assert.True(updatedDocuments.Count == 2);
+            updatedDocuments.ForEach(updatedDocument =>
+            {
+                Assert.True(childrenToAdd[0].Type == updatedDocument.Children[0].Type, GetTestName());
+                Assert.True(childrenToAdd[0].Value == updatedDocument.Children[0].Value, GetTestName());
+                Assert.True(childrenToAdd[1].Type == updatedDocument.Children[1].Type, GetTestName());
+                Assert.True(childrenToAdd[1].Value == updatedDocument.Children[1].Value, GetTestName());
+            });
+        }
+
+        [Fact]
+        public void UpdateManyWithFilterAndUpdateDefinitions()
+        {
+            // Arrange
+            var documents = CreateTestDocuments(2);
+            SUT.AddMany<T>(documents);
+            var childrenToAdd = new List<Child>
+            {
+                new Child("testType1", "testValue1"),
+                new Child("testType2", "testValue2")
+            };
+
+            var updateDef = Builders<T>.Update.AddToSetEach(p => p.Children, childrenToAdd);
+
+            var docIds = documents.Select(u => u.Id).ToArray();
+            var filterDefinition = Builders<T>.Filter.Where(x => docIds.Contains(x.Id));
+            var content = GetContent();
+            // Act
+            var result = SUT.UpdateMany<T>(filterDefinition, updateDef, PartitionKey);
+            // Assert
+            Assert.True(result == 2, GetTestName());
+            var updatedDocuments = SUT.GetAll<T>(x => docIds.Contains(x.Id), PartitionKey);
+
+            Assert.True(updatedDocuments.Count == 2);
+            updatedDocuments.ForEach(updatedDocument =>
+            {
+                Assert.True(childrenToAdd[0].Type == updatedDocument.Children[0].Type, GetTestName());
+                Assert.True(childrenToAdd[0].Value == updatedDocument.Children[0].Value, GetTestName());
+                Assert.True(childrenToAdd[1].Type == updatedDocument.Children[1].Type, GetTestName());
+                Assert.True(childrenToAdd[1].Value == updatedDocument.Children[1].Value, GetTestName());
+            });
+        }
+
+
+        #endregion Update Many
+    }
+}
diff --git a/CoreIntegrationTests/Infrastructure/MongoDbTKeyDocumentTestBase.cs b/CoreIntegrationTests/Infrastructure/MongoDbTKeyDocumentTestBase.Main.cs
similarity index 86%
rename from CoreIntegrationTests/Infrastructure/MongoDbTKeyDocumentTestBase.cs
rename to CoreIntegrationTests/Infrastructure/MongoDbTKeyDocumentTestBase.Main.cs
index 5414e48..ddd8ff9 100644
--- a/CoreIntegrationTests/Infrastructure/MongoDbTKeyDocumentTestBase.cs
+++ b/CoreIntegrationTests/Infrastructure/MongoDbTKeyDocumentTestBase.Main.cs
@@ -12,7 +12,7 @@ using Xunit;
 
 namespace CoreIntegrationTests.Infrastructure
 {
-    public abstract class MongoDbTKeyDocumentTestBase<T, TKey> :
+    public abstract partial class MongoDbTKeyDocumentTestBase<T, TKey> :
         IClassFixture<MongoDbTestFixture<T, TKey>>
         where T : TestDoc<TKey>, new()
         where TKey : IEquatable<TKey>
@@ -348,160 +348,6 @@ namespace CoreIntegrationTests.Infrastructure
 
         #endregion Read
 
-        #region Update
-
-        [Fact]
-        public void UpdateOne()
-        {
-            // Arrange
-            var document = CreateTestDocument();
-            SUT.AddOne<T, TKey>(document);
-            var content = GetContent();
-            document.SomeContent = content;
-            // Act
-            var result = SUT.UpdateOne<T, TKey>(document);
-            // Assert
-            Assert.True(result);
-            var updatedDocument = SUT.GetById<T, TKey>(document.Id, PartitionKey);
-            Assert.True(null != updatedDocument, GetTestName());
-            Assert.True(content == updatedDocument.SomeContent, GetTestName());
-        }
-
-        [Fact]
-        public async Task UpdateOneAsync()
-        {
-            // Arrange
-            var document = CreateTestDocument();
-            SUT.AddOne<T, TKey>(document);
-            var content = GetContent();
-            document.SomeContent = content;
-            // Act
-            var result = await SUT.UpdateOneAsync<T, TKey>(document);
-            // Assert
-            Assert.True(result);
-            var updatedDocument = SUT.GetById<T, TKey>(document.Id, PartitionKey);
-            Assert.True(null != updatedDocument, GetTestName());
-            Assert.True(content == updatedDocument.SomeContent, GetTestName());
-        }
-
-        [Fact]
-        public void UpdateOneField()
-        {
-            // Arrange
-            var document = CreateTestDocument();
-            SUT.AddOne<T, TKey>(document);
-            var content = GetContent();
-            // Act
-            var result = SUT.UpdateOne<T, TKey, string>(document, x => x.SomeContent, content);
-            // Assert
-            Assert.True(result, GetTestName());
-            var updatedDocument = SUT.GetById<T, TKey>(document.Id, PartitionKey);
-            Assert.True(null != updatedDocument, GetTestName());
-            Assert.True(content == updatedDocument.SomeContent, GetTestName());
-        }
-
-        [Fact]
-        public async Task UpdateOneFieldAsync()
-        {
-            // Arrange
-            var document = CreateTestDocument();
-            SUT.AddOne<T, TKey>(document);
-            var content = GetContent();
-            // Act
-            var result = await SUT.UpdateOneAsync<T, TKey, string>(document, x => x.SomeContent, content);
-            // Assert
-            Assert.True(result, GetTestName());
-            var updatedDocument = SUT.GetById<T, TKey>(document.Id, PartitionKey);
-            Assert.True(null != updatedDocument, GetTestName());
-            Assert.True(content == updatedDocument.SomeContent, GetTestName());
-        }
-
-        [Fact]
-        public void UpdateOneFieldWithFilter()
-        {
-            // Arrange
-            var document = CreateTestDocument();
-            SUT.AddOne<T, TKey>(document);
-            var content = GetContent();
-            // Act
-            var result = SUT.UpdateOne<T, TKey, string>(x => x.Id.Equals(document.Id), x => x.SomeContent, content, PartitionKey);
-            // Assert
-            Assert.True(result, GetTestName());
-            var updatedDocument = SUT.GetById<T, TKey>(document.Id, PartitionKey);
-            Assert.True(null != updatedDocument, GetTestName());
-            Assert.True(content == updatedDocument.SomeContent, GetTestName());
-        }
-
-        [Fact]
-        public async Task UpdateOneFieldWithFilterAsync()
-        {
-            // Arrange
-            var document = CreateTestDocument();
-            SUT.AddOne<T, TKey>(document);
-            var content = GetContent();
-            // Act
-            var result = await SUT.UpdateOneAsync<T, TKey, string>(x => x.Id.Equals(document.Id), x => x.SomeContent, content, PartitionKey);
-            // Assert
-            Assert.True(result, GetTestName());
-            var updatedDocument = SUT.GetById<T, TKey>(document.Id, PartitionKey);
-            Assert.True(null != updatedDocument, GetTestName());
-            Assert.True(content == updatedDocument.SomeContent, GetTestName());
-        }
-
-        [Fact]
-        public async Task UpdateOneAsyncWithUpdateDefinition()
-        {
-            // Arrange
-            var document = CreateTestDocument();
-            SUT.AddOne<T, TKey>(document);
-            var childrenToAdd = new List<Child>
-            {
-                new Child("testType1", "testValue1"),
-                new Child("testType2", "testValue2")
-            };
-
-            var updateDef = MongoDB.Driver.Builders<T>.Update.AddToSetEach(p => p.Children, childrenToAdd);
-
-            // Act
-            var result = await SUT.UpdateOneAsync<T, TKey>(document, updateDef);
-            // Assert
-            Assert.True(result);
-            var updatedDocument = SUT.GetById<T, TKey>(document.Id, PartitionKey);
-            Assert.True(null != updatedDocument);
-            Assert.True(childrenToAdd[0].Type == updatedDocument.Children[0].Type, GetTestName());
-            Assert.True(childrenToAdd[0].Value == updatedDocument.Children[0].Value, GetTestName());
-            Assert.True(childrenToAdd[1].Type == updatedDocument.Children[1].Type, GetTestName());
-            Assert.True(childrenToAdd[1].Value == updatedDocument.Children[1].Value, GetTestName());
-        }
-
-        [Fact]
-        public void UpdateOneWithUpdateDefinition()
-        {
-            // Arrange
-            var document = CreateTestDocument();
-            SUT.AddOne<T, TKey>(document);
-            var childrenToAdd = new List<Child>
-            {
-                new Child("testType1", "testValue1"),
-                new Child("testType2", "testValue2")
-            };
-
-            var updateDef = MongoDB.Driver.Builders<T>.Update.AddToSetEach(p => p.Children, childrenToAdd);
-
-            // Act
-            var result = SUT.UpdateOne<T, TKey>(document, updateDef);
-            // Assert
-            Assert.True(result);
-            var updatedDocument = SUT.GetById<T, TKey>(document.Id, PartitionKey);
-            Assert.True(null != updatedDocument);
-            Assert.True(childrenToAdd[0].Type == updatedDocument.Children[0].Type, GetTestName());
-            Assert.True(childrenToAdd[0].Value == updatedDocument.Children[0].Value, GetTestName());
-            Assert.True(childrenToAdd[1].Type == updatedDocument.Children[1].Type, GetTestName());
-            Assert.True(childrenToAdd[1].Value == updatedDocument.Children[1].Value, GetTestName());
-        }
-
-        #endregion Update
-
         #region Delete
 
         [Fact]
diff --git a/CoreIntegrationTests/Infrastructure/MongoDbTKeyDocumentTestBase.Update.cs b/CoreIntegrationTests/Infrastructure/MongoDbTKeyDocumentTestBase.Update.cs
new file mode 100644
index 0000000..568066a
--- /dev/null
+++ b/CoreIntegrationTests/Infrastructure/MongoDbTKeyDocumentTestBase.Update.cs
@@ -0,0 +1,377 @@
+using MongoDB.Driver;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace CoreIntegrationTests.Infrastructure
+{
+    public abstract partial class MongoDbTKeyDocumentTestBase<T, TKey> :
+        IClassFixture<MongoDbTestFixture<T, TKey>>
+        where T : TestDoc<TKey>, new()
+        where TKey : IEquatable<TKey>
+
+    {
+        #region Update One
+
+        [Fact]
+        public void UpdateOne()
+        {
+            // Arrange
+            var document = CreateTestDocument();
+            SUT.AddOne<T, TKey>(document);
+            var content = GetContent();
+            document.SomeContent = content;
+            // Act
+            var result = SUT.UpdateOne<T, TKey>(document);
+            // Assert
+            Assert.True(result);
+            var updatedDocument = SUT.GetById<T, TKey>(document.Id, PartitionKey);
+            Assert.True(null != updatedDocument, GetTestName());
+            Assert.True(content == updatedDocument.SomeContent, GetTestName());
+        }
+
+        [Fact]
+        public async Task UpdateOneAsync()
+        {
+            // Arrange
+            var document = CreateTestDocument();
+            SUT.AddOne<T, TKey>(document);
+            var content = GetContent();
+            document.SomeContent = content;
+            // Act
+            var result = await SUT.UpdateOneAsync<T, TKey>(document);
+            // Assert
+            Assert.True(result);
+            var updatedDocument = SUT.GetById<T, TKey>(document.Id, PartitionKey);
+            Assert.True(null != updatedDocument, GetTestName());
+            Assert.True(content == updatedDocument.SomeContent, GetTestName());
+        }
+
+        [Fact]
+        public void UpdateOneField()
+        {
+            // Arrange
+            var document = CreateTestDocument();
+            SUT.AddOne<T, TKey>(document);
+            var content = GetContent();
+            // Act
+            var result = SUT.UpdateOne<T, TKey, string>(document, x => x.SomeContent, content);
+            // Assert
+            Assert.True(result, GetTestName());
+            var updatedDocument = SUT.GetById<T, TKey>(document.Id, PartitionKey);
+            Assert.True(null != updatedDocument, GetTestName());
+            Assert.True(content == updatedDocument.SomeContent, GetTestName());
+        }
+
+        [Fact]
+        public async Task UpdateOneFieldAsync()
+        {
+            // Arrange
+            var document = CreateTestDocument();
+            SUT.AddOne<T, TKey>(document);
+            var content = GetContent();
+            // Act
+            var result = await SUT.UpdateOneAsync<T, TKey, string>(document, x => x.SomeContent, content);
+            // Assert
+            Assert.True(result, GetTestName());
+            var updatedDocument = SUT.GetById<T, TKey>(document.Id, PartitionKey);
+            Assert.True(null != updatedDocument, GetTestName());
+            Assert.True(content == updatedDocument.SomeContent, GetTestName());
+        }
+
+        [Fact]
+        public void UpdateOneFieldWithFilter()
+        {
+            // Arrange
+            var document = CreateTestDocument();
+            SUT.AddOne<T, TKey>(document);
+            var content = GetContent();
+            // Act
+            var result = SUT.UpdateOne<T, TKey, string>(x => x.Id.Equals(document.Id), x => x.SomeContent, content, PartitionKey);
+            // Assert
+            Assert.True(result, GetTestName());
+            var updatedDocument = SUT.GetById<T, TKey>(document.Id, PartitionKey);
+            Assert.True(null != updatedDocument, GetTestName());
+            Assert.True(content == updatedDocument.SomeContent, GetTestName());
+        }
+
+        [Fact]
+        public async Task UpdateOneFieldWithFilterAsync()
+        {
+            // Arrange
+            var document = CreateTestDocument();
+            SUT.AddOne<T, TKey>(document);
+            var content = GetContent();
+            // Act
+            var result = await SUT.UpdateOneAsync<T, TKey, string>(x => x.Id.Equals(document.Id), x => x.SomeContent, content, PartitionKey);
+            // Assert
+            Assert.True(result, GetTestName());
+            var updatedDocument = SUT.GetById<T, TKey>(document.Id, PartitionKey);
+            Assert.True(null != updatedDocument, GetTestName());
+            Assert.True(content == updatedDocument.SomeContent, GetTestName());
+        }
+
+        [Fact]
+        public async Task UpdateOneAsyncWithUpdateDefinition()
+        {
+            // Arrange
+            var document = CreateTestDocument();
+            SUT.AddOne<T, TKey>(document);
+            var childrenToAdd = new List<Child>
+            {
+                new Child("testType1", "testValue1"),
+                new Child("testType2", "testValue2")
+            };
+
+            var updateDef = MongoDB.Driver.Builders<T>.Update.AddToSetEach(p => p.Children, childrenToAdd);
+
+            // Act
+            var result = await SUT.UpdateOneAsync<T, TKey>(document, updateDef);
+            // Assert
+            Assert.True(result);
+            var updatedDocument = SUT.GetById<T, TKey>(document.Id, PartitionKey);
+            Assert.True(null != updatedDocument);
+            Assert.True(childrenToAdd[0].Type == updatedDocument.Children[0].Type, GetTestName());
+            Assert.True(childrenToAdd[0].Value == updatedDocument.Children[0].Value, GetTestName());
+            Assert.True(childrenToAdd[1].Type == updatedDocument.Children[1].Type, GetTestName());
+            Assert.True(childrenToAdd[1].Value == updatedDocument.Children[1].Value, GetTestName());
+        }
+
+        [Fact]
+        public void UpdateOneWithUpdateDefinition()
+        {
+            // Arrange
+            var document = CreateTestDocument();
+            SUT.AddOne<T, TKey>(document);
+            var childrenToAdd = new List<Child>
+            {
+                new Child("testType1", "testValue1"),
+                new Child("testType2", "testValue2")
+            };
+
+            var updateDef = MongoDB.Driver.Builders<T>.Update.AddToSetEach(p => p.Children, childrenToAdd);
+
+            // Act
+            var result = SUT.UpdateOne<T, TKey>(document, updateDef);
+            // Assert
+            Assert.True(result);
+            var updatedDocument = SUT.GetById<T, TKey>(document.Id, PartitionKey);
+            Assert.True(null != updatedDocument);
+            Assert.True(childrenToAdd[0].Type == updatedDocument.Children[0].Type, GetTestName());
+            Assert.True(childrenToAdd[0].Value == updatedDocument.Children[0].Value, GetTestName());
+            Assert.True(childrenToAdd[1].Type == updatedDocument.Children[1].Type, GetTestName());
+            Assert.True(childrenToAdd[1].Value == updatedDocument.Children[1].Value, GetTestName());
+        }
+
+        #endregion Update One
+
+        #region Update Many
+
+        [Fact]
+        public async Task UpdateManyWithLinqFilterAsync()
+        {
+            // Arrange
+            var documents = CreateTestDocuments(2);
+            SUT.AddMany<T, TKey>(documents);
+            var docIds = documents.Select(u => u.Id).ToArray();
+            var content = GetContent();
+            // Act
+            var result = await SUT.UpdateManyAsync<T, TKey, string>(x => docIds.Contains(x.Id), x => x.SomeContent, content, PartitionKey);
+            // Assert
+            Assert.True(result == 2, GetTestName());
+            var updatedDocument = SUT.GetAll<T, TKey>(x => docIds.Contains(x.Id), PartitionKey);
+
+            Assert.True(updatedDocument.Count == 2);
+            Assert.True(updatedDocument.All(u => u.SomeContent == content), GetTestName());
+        }
+
+        [Fact]
+        public async Task UpdateManyWithFilterDefinitionAsync()
+        {
+            // Arrange
+            var documents = CreateTestDocuments(2);
+            SUT.AddMany<T, TKey>(documents);
+            var docIds = documents.Select(u => u.Id).ToArray();
+            var filterDefinition = Builders<T>.Filter.Where(x => docIds.Contains(x.Id));
+            var content = GetContent();
+            // Act
+            var result = await SUT.UpdateManyAsync<T, TKey, string>(filterDefinition, x => x.SomeContent, content, PartitionKey);
+            // Assert
+            Assert.True(result == 2, GetTestName());
+            var updatedDocument = SUT.GetAll<T, TKey>(x => docIds.Contains(x.Id), PartitionKey);
+
+            Assert.True(updatedDocument.Count == 2);
+            Assert.True(updatedDocument.All(u => u.SomeContent == content), GetTestName());
+        }
+
+        [Fact]
+        public async Task UpdateManyWithLinqFilterAndUpdateDefinitionAsync()
+        {
+            // Arrange
+            var documents = CreateTestDocuments(2);
+            SUT.AddMany<T, TKey>(documents);
+            var docIds = documents.Select(u => u.Id).ToArray();
+            var childrenToAdd = new List<Child>
+            {
+                new Child("testType1", "testValue1"),
+                new Child("testType2", "testValue2")
+            };
+
+            var updateDef = Builders<T>.Update.AddToSetEach(p => p.Children, childrenToAdd);
+            var content = GetContent();
+            // Act
+            var result = await SUT.UpdateManyAsync<T, TKey>(x => docIds.Contains(x.Id), updateDef, PartitionKey);
+            // Assert
+            Assert.True(result == 2, GetTestName());
+            var updatedDocuments = SUT.GetAll<T, TKey>(x => docIds.Contains(x.Id), PartitionKey);
+
+            Assert.True(updatedDocuments.Count == 2);
+            updatedDocuments.ForEach(updatedDocument =>
+            {
+                Assert.True(childrenToAdd[0].Type == updatedDocument.Children[0].Type, GetTestName());
+                Assert.True(childrenToAdd[0].Value == updatedDocument.Children[0].Value, GetTestName());
+                Assert.True(childrenToAdd[1].Type == updatedDocument.Children[1].Type, GetTestName());
+                Assert.True(childrenToAdd[1].Value == updatedDocument.Children[1].Value, GetTestName());
+            });
+        }
+
+        [Fact]
+        public async Task UpdateManyWithFilterAndUpdateDefinitionsAsync()
+        {
+            // Arrange
+            var documents = CreateTestDocuments(2);
+            SUT.AddMany<T, TKey>(documents);
+            var childrenToAdd = new List<Child>
+            {
+                new Child("testType1", "testValue1"),
+                new Child("testType2", "testValue2")
+            };
+
+            var updateDef = Builders<T>.Update.AddToSetEach(p => p.Children, childrenToAdd);
+
+            var docIds = documents.Select(u => u.Id).ToArray();
+            var filterDefinition = Builders<T>.Filter.Where(x => docIds.Contains(x.Id));
+            var content = GetContent();
+            // Act
+            var result = await SUT.UpdateManyAsync<T, TKey>(filterDefinition, updateDef, PartitionKey);
+            // Assert
+            Assert.True(result == 2, GetTestName());
+            var updatedDocuments = SUT.GetAll<T, TKey>(x => docIds.Contains(x.Id), PartitionKey);
+
+            Assert.True(updatedDocuments.Count == 2);
+            updatedDocuments.ForEach(updatedDocument =>
+            {
+                Assert.True(childrenToAdd[0].Type == updatedDocument.Children[0].Type, GetTestName());
+                Assert.True(childrenToAdd[0].Value == updatedDocument.Children[0].Value, GetTestName());
+                Assert.True(childrenToAdd[1].Type == updatedDocument.Children[1].Type, GetTestName());
+                Assert.True(childrenToAdd[1].Value == updatedDocument.Children[1].Value, GetTestName());
+            });
+        }
+
+
+        [Fact]
+        public void UpdateManyWithLinqFilter()
+        {
+            // Arrange
+            var documents = CreateTestDocuments(2);
+            SUT.AddMany<T, TKey>(documents);
+            var docIds = documents.Select(u => u.Id).ToArray();
+            var content = GetContent();
+            // Act
+            var result = SUT.UpdateMany<T, TKey, string>(x => docIds.Contains(x.Id), x => x.SomeContent, content, PartitionKey);
+            // Assert
+            Assert.True(result == 2, GetTestName());
+            var updatedDocument = SUT.GetAll<T, TKey>(x => docIds.Contains(x.Id), PartitionKey);
+            Assert.True(updatedDocument.Count == 2);
+            Assert.True(updatedDocument.All(u => u.SomeContent == content), GetTestName());
+        }
+
+        [Fact]
+        public void UpdateManyWithFilterDefinition()
+        {
+            // Arrange
+            var documents = CreateTestDocuments(2);
+            SUT.AddMany<T, TKey>(documents);
+            var docIds = documents.Select(u => u.Id).ToArray();
+            var filterDefinition = Builders<T>.Filter.Where(x => docIds.Contains(x.Id));
+            var content = GetContent();
+            // Act
+            var result = SUT.UpdateMany<T, TKey, string>(filterDefinition, x => x.SomeContent, content, PartitionKey);
+            // Assert
+            Assert.True(result == 2, GetTestName());
+            var updatedDocument = SUT.GetAll<T, TKey>(x => docIds.Contains(x.Id), PartitionKey);
+
+            Assert.True(updatedDocument.Count == 2);
+            Assert.True(updatedDocument.All(u => u.SomeContent == content), GetTestName());
+        }
+
+        [Fact]
+        public void UpdateManyWithLinqFilterAndUpdateDefinition()
+        {
+            // Arrange
+            var documents = CreateTestDocuments(2);
+            SUT.AddMany<T, TKey>(documents);
+            var docIds = documents.Select(u => u.Id).ToArray();
+            var childrenToAdd = new List<Child>
+            {
+                new Child("testType1", "testValue1"),
+                new Child("testType2", "testValue2")
+            };
+
+            var updateDef = Builders<T>.Update.AddToSetEach(p => p.Children, childrenToAdd);
+            var content = GetContent();
+            // Act
+            var result = SUT.UpdateMany<T, TKey>(x => docIds.Contains(x.Id), updateDef, PartitionKey);
+            // Assert
+            Assert.True(result == 2, GetTestName());
+            var updatedDocuments = SUT.GetAll<T, TKey>(x => docIds.Contains(x.Id), PartitionKey);
+
+            Assert.True(updatedDocuments.Count == 2);
+            updatedDocuments.ForEach(updatedDocument =>
+            {
+                Assert.True(childrenToAdd[0].Type == updatedDocument.Children[0].Type, GetTestName());
+                Assert.True(childrenToAdd[0].Value == updatedDocument.Children[0].Value, GetTestName());
+                Assert.True(childrenToAdd[1].Type == updatedDocument.Children[1].Type, GetTestName());
+                Assert.True(childrenToAdd[1].Value == updatedDocument.Children[1].Value, GetTestName());
+            });
+        }
+
+        [Fact]
+        public void UpdateManyWithFilterAndUpdateDefinitions()
+        {
+            // Arrange
+            var documents = CreateTestDocuments(2);
+            SUT.AddMany<T, TKey>(documents);
+            var childrenToAdd = new List<Child>
+            {
+                new Child("testType1", "testValue1"),
+                new Child("testType2", "testValue2")
+            };
+
+            var updateDef = Builders<T>.Update.AddToSetEach(p => p.Children, childrenToAdd);
+
+            var docIds = documents.Select(u => u.Id).ToArray();
+            var filterDefinition = Builders<T>.Filter.Where(x => docIds.Contains(x.Id));
+            var content = GetContent();
+            // Act
+            var result = SUT.UpdateMany<T, TKey>(filterDefinition, updateDef, PartitionKey);
+            // Assert
+            Assert.True(result == 2, GetTestName());
+            var updatedDocuments = SUT.GetAll<T, TKey>(x => docIds.Contains(x.Id), PartitionKey);
+
+            Assert.True(updatedDocuments.Count == 2);
+            updatedDocuments.ForEach(updatedDocument =>
+            {
+                Assert.True(childrenToAdd[0].Type == updatedDocument.Children[0].Type, GetTestName());
+                Assert.True(childrenToAdd[0].Value == updatedDocument.Children[0].Value, GetTestName());
+                Assert.True(childrenToAdd[1].Type == updatedDocument.Children[1].Type, GetTestName());
+                Assert.True(childrenToAdd[1].Value == updatedDocument.Children[1].Value, GetTestName());
+            });
+        }
+
+
+        #endregion Update Many
+    }
+}
diff --git a/MongoDbGenericRepository/Abstractions/IBaseMongoRepository_Update.cs b/MongoDbGenericRepository/Abstractions/IBaseMongoRepository_Update.cs
index 878fdb7..d30bc5c 100644
--- a/MongoDbGenericRepository/Abstractions/IBaseMongoRepository_Update.cs
+++ b/MongoDbGenericRepository/Abstractions/IBaseMongoRepository_Update.cs
@@ -131,5 +131,109 @@ namespace MongoDbGenericRepository
         bool UpdateOne<TDocument, TKey, TField>(FilterDefinition<TDocument> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
             where TDocument : IDocument<TKey>
             where TKey : IEquatable<TKey>;
+
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The partition key for the document.</param>
+        Task<long> UpdateManyAsync<TDocument, TKey, TField>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>;
+
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        Task<long> UpdateManyAsync<TDocument, TKey, TField>(FilterDefinition<TDocument> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>;
+
+        /// <summary>
+        /// For the entities selected by the filter, applies the update you have defined in MongoDb.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="updateDefinition">The update definition to apply.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        Task<long> UpdateManyAsync<TDocument, TKey>(FilterDefinition<TDocument> filter, UpdateDefinition<TDocument> updateDefinition, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>;
+
+        /// <summary>
+        /// For the entities selected by the filter, applies the update you have defined in MongoDb.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="updateDefinition">The update definition to apply.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        Task<long> UpdateManyAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, UpdateDefinition<TDocument> updateDefinition, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>;
+
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The partition key for the document.</param>
+        long UpdateMany<TDocument, TKey, TField>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>;
+
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        long UpdateMany<TDocument, TKey, TField>(FilterDefinition<TDocument> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>;
+
+        /// <summary>
+        /// For the entities selected by the filter, applies the update you have defined in MongoDb.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="updateDefinition">The update definition to apply.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        long UpdateMany<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, UpdateDefinition<TDocument> updateDefinition, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>;
+
+        /// <summary>
+        /// For the entities selected by the filter, applies the update you have defined in MongoDb.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="updateDefinition">The update definition to apply.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        long UpdateMany<TDocument, TKey>(FilterDefinition<TDocument> filter, UpdateDefinition<TDocument> updateDefinition, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>;
     }
 }
diff --git a/MongoDbGenericRepository/BaseMongoRepository.Update.cs b/MongoDbGenericRepository/BaseMongoRepository.Update.cs
index 61696a7..82306b1 100644
--- a/MongoDbGenericRepository/BaseMongoRepository.Update.cs
+++ b/MongoDbGenericRepository/BaseMongoRepository.Update.cs
@@ -168,6 +168,119 @@ namespace MongoDbGenericRepository
             return await MongoDbUpdater.UpdateOneAsync<TDocument, Guid, TField>(filter, field, value, partitionKey);
         }
 
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public virtual async Task<long> UpdateManyAsync<TDocument, TField>(FilterDefinition<TDocument> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<Guid>
+        {
+            return await MongoDbUpdater.UpdateManyAsync<TDocument, Guid, TField>(filter, field, value, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public virtual async Task<long> UpdateManyAsync<TDocument, TField>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<Guid>
+        {
+            return await MongoDbUpdater.UpdateManyAsync<TDocument, Guid, TField>(filter, field, value, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, applies the update you have defined in MongoDb.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="updateDefinition">The update definition to apply.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public virtual async Task<long> UpdateManyAsync<TDocument>(FilterDefinition<TDocument> filter, UpdateDefinition<TDocument> updateDefinition, string partitionKey = null)
+            where TDocument : IDocument<Guid>
+        {
+            return await MongoDbUpdater.UpdateManyAsync<TDocument, Guid>(filter, updateDefinition, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, applies the update you have defined in MongoDb.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="updateDefinition">The update definition to apply.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public async Task<long> UpdateManyAsync<TDocument>(Expression<Func<TDocument, bool>> filter, UpdateDefinition<TDocument> updateDefinition, string partitionKey = null)
+            where TDocument : IDocument<Guid>
+        {
+            return await MongoDbUpdater.UpdateManyAsync<TDocument, Guid>(filter, updateDefinition, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public virtual long UpdateMany<TDocument, TField>(FilterDefinition<TDocument> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<Guid>
+        {
+            return MongoDbUpdater.UpdateMany<TDocument, Guid, TField>(filter, field, value, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public virtual long UpdateMany<TDocument, TField>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<Guid>
+        {
+            return MongoDbUpdater.UpdateMany<TDocument, Guid, TField>(filter, field, value, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, applies the update you have defined in MongoDb.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="updateDefinition">The update definition to apply.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public virtual long UpdateMany<TDocument>(FilterDefinition<TDocument> filter, UpdateDefinition<TDocument> updateDefinition, string partitionKey = null)
+            where TDocument : IDocument<Guid>
+        {
+            return MongoDbUpdater.UpdateMany<TDocument, Guid>(filter, updateDefinition, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, applies the update you have defined in MongoDb.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="updateDefinition">The update definition to apply.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public long UpdateMany<TDocument>(Expression<Func<TDocument, bool>> filter, UpdateDefinition<TDocument> updateDefinition, string partitionKey = null) 
+            where TDocument : IDocument<Guid>
+        {
+            return MongoDbUpdater.UpdateMany<TDocument, Guid>(filter, updateDefinition, partitionKey);
+        }
+
         #endregion Update
 
         #region Update TKey
@@ -326,6 +439,133 @@ namespace MongoDbGenericRepository
             return await MongoDbUpdater.UpdateOneAsync<TDocument, TKey, TField>(Builders<TDocument>.Filter.Where(filter), field, value, partitionKey);
         }
 
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The partition key for the document.</param>
+        public virtual async Task<long> UpdateManyAsync<TDocument, TKey, TField>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>
+        {
+            return await MongoDbUpdater.UpdateManyAsync<TDocument, TKey, TField>(filter, field, value, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public virtual async Task<long> UpdateManyAsync<TDocument, TKey, TField>(FilterDefinition<TDocument> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>
+        {
+            return await MongoDbUpdater.UpdateManyAsync<TDocument, TKey, TField>(filter, field, value, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, applies the update you have defined in MongoDb.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="updateDefinition">The update definition to apply.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public virtual async Task<long> UpdateManyAsync<TDocument, TKey>(FilterDefinition<TDocument> filter, UpdateDefinition<TDocument> updateDefinition, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>
+        {
+            return await MongoDbUpdater.UpdateManyAsync<TDocument, TKey>(filter, updateDefinition, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, applies the update you have defined in MongoDb.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="updateDefinition">The update definition to apply.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public virtual async Task<long> UpdateManyAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, UpdateDefinition<TDocument> updateDefinition, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>
+        {
+            return await MongoDbUpdater.UpdateManyAsync<TDocument, TKey>(filter, updateDefinition, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The partition key for the document.</param>
+        public virtual long UpdateMany<TDocument, TKey, TField>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>
+        {
+            return MongoDbUpdater.UpdateMany<TDocument, TKey, TField>(filter, field, value, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public virtual long UpdateMany<TDocument, TKey, TField>(FilterDefinition<TDocument> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>
+        {
+            return MongoDbUpdater.UpdateMany<TDocument, TKey, TField>(filter, field, value, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, applies the update you have defined in MongoDb.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="updateDefinition">The update definition to apply.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public virtual long UpdateMany<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, UpdateDefinition<TDocument> updateDefinition, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>
+        {
+            return MongoDbUpdater.UpdateMany<TDocument, TKey>(filter, updateDefinition, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, applies the update you have defined in MongoDb.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="updateDefinition">The update definition to apply.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public virtual long UpdateMany<TDocument, TKey>(FilterDefinition<TDocument> filter, UpdateDefinition<TDocument> updateDefinition, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>
+        {
+            return MongoDbUpdater.UpdateMany<TDocument, TKey>(filter, updateDefinition, partitionKey);
+        }
 
         #endregion Update
     }
diff --git a/MongoDbGenericRepository/DataAccess/Update/MongoDbUpdater.cs b/MongoDbGenericRepository/DataAccess/Update/MongoDbUpdater.cs
index c14d83c..7f7c230 100644
--- a/MongoDbGenericRepository/DataAccess/Update/MongoDbUpdater.cs
+++ b/MongoDbGenericRepository/DataAccess/Update/MongoDbUpdater.cs
@@ -183,5 +183,129 @@ namespace MongoDbGenericRepository.DataAccess.Update
         {
             return UpdateOne<TDocument, TKey, TField>(Builders<TDocument>.Filter.Where(filter), field, value, partitionKey);
         }
+
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The partition key for the document.</param>
+        public virtual async Task<long> UpdateManyAsync<TDocument, TKey, TField>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>
+        {
+            return await UpdateManyAsync<TDocument, TKey, TField>(Builders<TDocument>.Filter.Where(filter), field, value, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public virtual async Task<long> UpdateManyAsync<TDocument, TKey, TField>(FilterDefinition<TDocument> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>
+        {
+            var collection = string.IsNullOrEmpty(partitionKey) ? GetCollection<TDocument, TKey>() : GetCollection<TDocument, TKey>(partitionKey);
+            var updateRes = await collection.UpdateManyAsync(filter, Builders<TDocument>.Update.Set(field, value));
+            return updateRes.ModifiedCount;
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, apply the update definition.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public virtual async Task<long> UpdateManyAsync<TDocument, TKey>(Expression<Func<TDocument, bool>> filter, UpdateDefinition<TDocument> update, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>
+        {
+            return await UpdateManyAsync<TDocument, TKey>(Builders<TDocument>.Filter.Where(filter), update, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, apply the update definition.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="updateDefinition">The update definition.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public virtual async Task<long> UpdateManyAsync<TDocument, TKey>(FilterDefinition<TDocument> filter, UpdateDefinition<TDocument> updateDefinition, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>
+        {
+            var collection = string.IsNullOrEmpty(partitionKey) ? GetCollection<TDocument, TKey>() : GetCollection<TDocument, TKey>(partitionKey);
+            var updateRes = await collection.UpdateManyAsync(filter, updateDefinition, new UpdateOptions { IsUpsert = true });
+            return updateRes.ModifiedCount;
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The partition key for the document.</param>
+        public virtual long UpdateMany<TDocument, TKey, TField>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>
+        {
+            return UpdateMany<TDocument, TKey, TField>(Builders<TDocument>.Filter.Where(filter), field, value, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public virtual long UpdateMany<TDocument, TKey, TField>(FilterDefinition<TDocument> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>
+        {
+            var collection = string.IsNullOrEmpty(partitionKey) ? GetCollection<TDocument, TKey>() : GetCollection<TDocument, TKey>(partitionKey);
+            var updateRes = collection.UpdateMany(filter, Builders<TDocument>.Update.Set(field, value));
+            return updateRes.ModifiedCount;
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, apply the update definition.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TKey">The type of the primary key for a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="UpdateDefinition">The update definition.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public virtual long UpdateMany<TDocument, TKey>(FilterDefinition<TDocument> filter, UpdateDefinition<TDocument> UpdateDefinition, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+            where TKey : IEquatable<TKey>
+        {
+            var collection = string.IsNullOrEmpty(partitionKey) ? GetCollection<TDocument, TKey>() : GetCollection<TDocument, TKey>(partitionKey);
+            var updateRes = collection.UpdateMany(filter, UpdateDefinition, new UpdateOptions { IsUpsert = true });
+            return updateRes.ModifiedCount;
+        }
     }
 }
diff --git a/MongoDbGenericRepository/KeyTypedRepository/BaseMongoRepository.TKey.Update.cs b/MongoDbGenericRepository/KeyTypedRepository/BaseMongoRepository.TKey.Update.cs
index 98c4e08..b56d9c4 100644
--- a/MongoDbGenericRepository/KeyTypedRepository/BaseMongoRepository.TKey.Update.cs
+++ b/MongoDbGenericRepository/KeyTypedRepository/BaseMongoRepository.TKey.Update.cs
@@ -110,6 +110,94 @@ namespace MongoDbGenericRepository
         /// <param name="partitionKey">The partition key for the document.</param>
         Task<bool> UpdateOneAsync<TDocument, TField>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
             where TDocument : IDocument<TKey>;
+
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The partition key for the document.</param>
+        Task<long> UpdateManyAsync<TDocument, TField>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<TKey>;
+
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        Task<long> UpdateManyAsync<TDocument, TField>(FilterDefinition<TDocument> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<TKey>;
+
+        /// <summary>
+        /// For the entities selected by the filter, applies the update you have defined in MongoDb.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="updateDefinition">The update definition to apply.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        Task<long> UpdateManyAsync<TDocument>(FilterDefinition<TDocument> filter, UpdateDefinition<TDocument> updateDefinition, string partitionKey = null)
+            where TDocument : IDocument<TKey>;
+
+        /// <summary>
+        /// For the entities selected by the filter, applies the update you have defined in MongoDb.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="updateDefinition">The update definition to apply.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        Task<long> UpdateManyAsync<TDocument>(Expression<Func<TDocument, bool>> filter, UpdateDefinition<TDocument> updateDefinition, string partitionKey = null)
+            where TDocument : IDocument<TKey>;
+
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The partition key for the document.</param>
+        long UpdateMany<TDocument, TField>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<TKey>;
+
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        long UpdateMany<TDocument, TField>(FilterDefinition<TDocument> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<TKey>;
+
+        /// <summary>
+        /// For the entities selected by the filter, applies the update you have defined in MongoDb.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="updateDefinition">The update definition to apply.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        long UpdateMany<TDocument>(FilterDefinition<TDocument> filter, UpdateDefinition<TDocument> updateDefinition, string partitionKey = null)
+            where TDocument : IDocument<TKey>;
+
+        /// <summary>
+        /// For the entities selected by the filter, applies the update you have defined in MongoDb.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="updateDefinition">The update definition to apply.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        long UpdateMany<TDocument>(Expression<Func<TDocument, bool>> filter, UpdateDefinition<TDocument> updateDefinition, string partitionKey = null)
+            where TDocument : IDocument<TKey>;
     }
 
     public abstract partial class BaseMongoRepository<TKey> : IBaseMongoRepository_Update<TKey>
@@ -266,5 +354,116 @@ namespace MongoDbGenericRepository
         {
             return await MongoDbUpdater.UpdateOneAsync<TDocument, TKey, TField>(filter, field, value, partitionKey);
         }
+
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The partition key for the document.</param>
+        public virtual async Task<long> UpdateManyAsync<TDocument, TField>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+        {
+            return await MongoDbUpdater.UpdateManyAsync<TDocument, TKey, TField>(filter, field, value, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public virtual async Task<long> UpdateManyAsync<TDocument, TField>(FilterDefinition<TDocument> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+        {
+            return await MongoDbUpdater.UpdateManyAsync<TDocument, TKey, TField>(filter, field, value, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, applies the update you have defined in MongoDb.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="updateDefinition">The update definition to apply.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public virtual async Task<long> UpdateManyAsync<TDocument>(FilterDefinition<TDocument> filter, UpdateDefinition<TDocument> updateDefinition, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+        {
+            return await MongoDbUpdater.UpdateManyAsync<TDocument, TKey>(filter, updateDefinition, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, applies the update you have defined in MongoDb.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="updateDefinition">The update definition to apply.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public virtual async Task<long> UpdateManyAsync<TDocument>(Expression<Func<TDocument, bool>> filter, UpdateDefinition<TDocument> updateDefinition, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+        {
+            return await MongoDbUpdater.UpdateManyAsync<TDocument, TKey>(filter, updateDefinition, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The partition key for the document.</param>
+        public virtual long UpdateMany<TDocument, TField>(Expression<Func<TDocument, bool>> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+        {
+            return MongoDbUpdater.UpdateMany<TDocument, TKey, TField>(filter, field, value, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, updates the property field with the given value.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <typeparam name="TField">The type of the field.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="field">The field selector.</param>
+        /// <param name="value">The new value of the property field.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public virtual long UpdateMany<TDocument, TField>(FilterDefinition<TDocument> filter, Expression<Func<TDocument, TField>> field, TField value, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+        {
+            return MongoDbUpdater.UpdateMany<TDocument, TKey, TField>(filter, field, value, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, applies the update you have defined in MongoDb.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="updateDefinition">The update definition to apply.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public virtual long UpdateMany<TDocument>(FilterDefinition<TDocument> filter, UpdateDefinition<TDocument> updateDefinition, string partitionKey = null)
+            where TDocument : IDocument<TKey>
+        {
+            return MongoDbUpdater.UpdateMany<TDocument, TKey>(filter, updateDefinition, partitionKey);
+        }
+
+        /// <summary>
+        /// For the entities selected by the filter, applies the update you have defined in MongoDb.
+        /// </summary>
+        /// <typeparam name="TDocument">The type representing a Document.</typeparam>
+        /// <param name="filter">The document filter.</param>
+        /// <param name="updateDefinition">The update definition to apply.</param>
+        /// <param name="partitionKey">The value of the partition key.</param>
+        public virtual long UpdateMany<TDocument>(Expression<Func<TDocument, bool>> filter, UpdateDefinition<TDocument> updateDefinition, string partitionKey = null) where TDocument : IDocument<TKey>
+        {
+            return MongoDbUpdater.UpdateMany<TDocument, TKey>(filter, updateDefinition, partitionKey);
+        }
     }
 }
diff --git a/MongoDbGenericRepository/Models/IDocument.cs b/MongoDbGenericRepository/Models/IDocument.cs
index d034223..da6ec36 100644
--- a/MongoDbGenericRepository/Models/IDocument.cs
+++ b/MongoDbGenericRepository/Models/IDocument.cs
@@ -1,5 +1,4 @@
-using MongoDB.Bson.Serialization.Attributes;
-using System;
+using System;
 
 namespace MongoDbGenericRepository.Models
 {