.Net: Added implementation of Azure CosmosDB for MongoDB connector for new memory design

dotnet/SK-dotnet.sln

@@ -320,7 +320,9 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Connectors.Qdrant.UnitTests
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "StepwisePlannerMigration", "samples\Demos\StepwisePlannerMigration\StepwisePlannerMigration.csproj", "{38374C62-0263-4FE8-A18C-70FC8132912B}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AIModelRouter", "samples\Demos\AIModelRouter\AIModelRouter.csproj", "{E06818E3-00A5-41AC-97ED-9491070CDEA1}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Connectors.AzureCosmosDBMongoDB.UnitTests", "src\Connectors\Connectors.AzureCosmosDBMongoDB.UnitTests\Connectors.AzureCosmosDBMongoDB.UnitTests.csproj", "{2918478E-BC86-4D53-9D01-9C318F80C14F}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AIModelRouter", "samples\Demos\AIModelRouter\AIModelRouter.csproj", "{E06818E3-00A5-41AC-97ED-9491070CDEA1}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Connectors.AzureCosmosDBNoSQL.UnitTests", "src\Connectors\Connectors.AzureCosmosDBNoSQL.UnitTests\Connectors.AzureCosmosDBNoSQL.UnitTests.csproj", "{385A8FE5-87E2-4458-AE09-35E10BD2E67F}"
 EndProject
@@ -799,6 +801,12 @@ Global
 		{38374C62-0263-4FE8-A18C-70FC8132912B}.Publish|Any CPU.Build.0 = Debug|Any CPU
 		{38374C62-0263-4FE8-A18C-70FC8132912B}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{38374C62-0263-4FE8-A18C-70FC8132912B}.Release|Any CPU.Build.0 = Release|Any CPU
+		{2918478E-BC86-4D53-9D01-9C318F80C14F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2918478E-BC86-4D53-9D01-9C318F80C14F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2918478E-BC86-4D53-9D01-9C318F80C14F}.Publish|Any CPU.ActiveCfg = Debug|Any CPU
+		{2918478E-BC86-4D53-9D01-9C318F80C14F}.Publish|Any CPU.Build.0 = Debug|Any CPU
+		{2918478E-BC86-4D53-9D01-9C318F80C14F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2918478E-BC86-4D53-9D01-9C318F80C14F}.Release|Any CPU.Build.0 = Release|Any CPU
 		{E06818E3-00A5-41AC-97ED-9491070CDEA1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{E06818E3-00A5-41AC-97ED-9491070CDEA1}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{E06818E3-00A5-41AC-97ED-9491070CDEA1}.Publish|Any CPU.ActiveCfg = Debug|Any CPU
@@ -920,6 +928,7 @@ Global
 		{1D4667B9-9381-4E32-895F-123B94253EE8} = {0247C2C9-86C3-45BA-8873-28B0948EDC0C}
 		{E92AE954-8F3A-4A6F-A4F9-DC12017E5AAF} = {0247C2C9-86C3-45BA-8873-28B0948EDC0C}
 		{38374C62-0263-4FE8-A18C-70FC8132912B} = {5D4C0700-BBB5-418F-A7B2-F392B9A18263}
+		{2918478E-BC86-4D53-9D01-9C318F80C14F} = {0247C2C9-86C3-45BA-8873-28B0948EDC0C}
 		{E06818E3-00A5-41AC-97ED-9491070CDEA1} = {5D4C0700-BBB5-418F-A7B2-F392B9A18263}
 		{385A8FE5-87E2-4458-AE09-35E10BD2E67F} = {0247C2C9-86C3-45BA-8873-28B0948EDC0C}
 	EndGlobalSection

dotnet/src/Connectors/Connectors.AzureCosmosDBMongoDB.UnitTests/.editorconfig

@@ -0,0 +1,6 @@
+# Suppressing errors for Test projects under dotnet folder
+[*.cs]
+dotnet_diagnostic.CA2007.severity = none # Do not directly await a Task
+dotnet_diagnostic.VSTHRD111.severity = none # Use .ConfigureAwait(bool) is hidden by default, set to none to prevent IDE from changing on autosave
+dotnet_diagnostic.CS1591.severity = none # Missing XML comment for publicly visible type or member
+dotnet_diagnostic.IDE1006.severity = warning # Naming rule violations

dotnet/src/Connectors/Connectors.AzureCosmosDBMongoDB.UnitTests/AzureCosmosDBMongoDBHotelModel.cs

@@ -0,0 +1,42 @@
+// Copyright (c) Microsoft. All rights reserved.
+
+using System;
+using System.Collections.Generic;
+using Microsoft.SemanticKernel.Data;
+
+namespace SemanticKernel.Connectors.AzureCosmosDBMongoDB.UnitTests;
+
+public class AzureCosmosDBMongoDBHotelModel(string hotelId)
+{
+    /// <summary>The key of the record.</summary>
+    [VectorStoreRecordKey]
+    public string HotelId { get; init; } = hotelId;
+
+    /// <summary>A string metadata field.</summary>
+    [VectorStoreRecordData]
+    public string? HotelName { get; set; }
+
+    /// <summary>An int metadata field.</summary>
+    [VectorStoreRecordData]
+    public int HotelCode { get; set; }
+
+    /// <summary>A float metadata field.</summary>
+    [VectorStoreRecordData]
+    public float? HotelRating { get; set; }
+
+    /// <summary>A bool metadata field.</summary>
+    [VectorStoreRecordData(StoragePropertyName = "parking_is_included")]
+    public bool ParkingIncluded { get; set; }
+
+    /// <summary>An array metadata field.</summary>
+    [VectorStoreRecordData]
+    public List<string> Tags { get; set; } = [];
+
+    /// <summary>A data field.</summary>
+    [VectorStoreRecordData]
+    public string? Description { get; set; }
+
+    /// <summary>A vector field.</summary>
+    [VectorStoreRecordVector(Dimensions: 4, IndexKind: IndexKind.IvfFlat, DistanceFunction: DistanceFunction.CosineDistance)]
+    public ReadOnlyMemory<float>? DescriptionEmbedding { get; set; }
+}

dotnet/src/Connectors/Connectors.AzureCosmosDBMongoDB.UnitTests/AzureCosmosDBMongoDBKernelBuilderExtensionsTests.cs

@@ -0,0 +1,36 @@
+// Copyright (c) Microsoft. All rights reserved.
+
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.SemanticKernel;
+using Microsoft.SemanticKernel.Connectors.AzureCosmosDBMongoDB;
+using Microsoft.SemanticKernel.Data;
+using MongoDB.Driver;
+using Moq;
+using Xunit;
+
+namespace SemanticKernel.Connectors.AzureCosmosDBMongoDB.UnitTests;
+
+/// <summary>
+/// Unit tests for <see cref="AzureCosmosDBMongoDBKernelBuilderExtensions"/> class.
+/// </summary>
+public sealed class AzureCosmosDBMongoDBKernelBuilderExtensionsTests
+{
+    private readonly IKernelBuilder _kernelBuilder = Kernel.CreateBuilder();
+
+    [Fact]
+    public void AddVectorStoreRegistersClass()
+    {
+        // Arrange
+        this._kernelBuilder.Services.AddSingleton<IMongoDatabase>(Mock.Of<IMongoDatabase>());
+
+        // Act
+        this._kernelBuilder.AddAzureCosmosDBMongoDBVectorStore();
+
+        var kernel = this._kernelBuilder.Build();
+        var vectorStore = kernel.Services.GetRequiredService<IVectorStore>();
+
+        // Assert
+        Assert.NotNull(vectorStore);
+        Assert.IsType<AzureCosmosDBMongoDBVectorStore>(vectorStore);
+    }
+}

dotnet/src/Connectors/Connectors.AzureCosmosDBMongoDB.UnitTests/AzureCosmosDBMongoDBServiceCollectionExtensionsTests.cs

@@ -0,0 +1,36 @@
+// Copyright (c) Microsoft. All rights reserved.
+
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.SemanticKernel;
+using Microsoft.SemanticKernel.Connectors.AzureCosmosDBMongoDB;
+using Microsoft.SemanticKernel.Data;
+using MongoDB.Driver;
+using Moq;
+using Xunit;
+
+namespace SemanticKernel.Connectors.AzureCosmosDBMongoDB.UnitTests;
+
+/// <summary>
+/// Unit tests for <see cref="AzureCosmosDBMongoDBServiceCollectionExtensions"/> class.
+/// </summary>
+public sealed class AzureCosmosDBMongoDBServiceCollectionExtensionsTests
+{
+    private readonly IServiceCollection _serviceCollection = new ServiceCollection();
+
+    [Fact]
+    public void AddVectorStoreRegistersClass()
+    {
+        // Arrange
+        this._serviceCollection.AddSingleton<IMongoDatabase>(Mock.Of<IMongoDatabase>());
+
+        // Act
+        this._serviceCollection.AddAzureCosmosDBMongoDBVectorStore();
+
+        var serviceProvider = this._serviceCollection.BuildServiceProvider();
+        var vectorStore = serviceProvider.GetRequiredService<IVectorStore>();
+
+        // Assert
+        Assert.NotNull(vectorStore);
+        Assert.IsType<AzureCosmosDBMongoDBVectorStore>(vectorStore);
+    }
+}