chore: import upstream snapshot with attribution

dotnet/test/VectorData/InMemory.ConformanceTests/InMemoryEmbeddingGenerationTests.cs

@@ -0,0 +1,76 @@
+// Copyright (c) Microsoft. All rights reserved.
+
+using InMemory.ConformanceTests.Support;
+using Microsoft.Extensions.AI;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.VectorData;
+using VectorData.ConformanceTests;
+using VectorData.ConformanceTests.Support;
+using Xunit;
+
+namespace InMemory.ConformanceTests;
+
+public class InMemoryEmbeddingGenerationTests(InMemoryEmbeddingGenerationTests.StringVectorFixture stringVectorFixture, InMemoryEmbeddingGenerationTests.RomOfFloatVectorFixture romOfFloatVectorFixture)
+    : EmbeddingGenerationTests<int>(stringVectorFixture, romOfFloatVectorFixture), IClassFixture<InMemoryEmbeddingGenerationTests.StringVectorFixture>, IClassFixture<InMemoryEmbeddingGenerationTests.RomOfFloatVectorFixture>
+{
+    // InMemory doesn't allowing accessing the same collection via different .NET types (it's unique in this).
+    // The following dynamic tests attempt to access the fixture collection - which is created with Record - via
+    // Dictionary<string, object?>.
+    public override Task SearchAsync_with_property_generator_dynamic() => Task.CompletedTask;
+    public override Task UpsertAsync_dynamic() => Task.CompletedTask;
+    public override Task UpsertAsync_batch_dynamic() => Task.CompletedTask;
+
+    // The same applies to the custom type test:
+    public override Task SearchAsync_with_custom_input_type() => Task.CompletedTask;
+
+    // The test relies on creating a new InMemoryVectorStore configured with a store-default generator, but with InMemory that store
+    // doesn't share the seeded data with the fixture store (since each InMemoryVectorStore has its own private data).
+    // Test coverage is already largely sufficient via the property and collection tests.
+    public override Task SearchAsync_with_store_generator() => Task.CompletedTask;
+
+    public new class StringVectorFixture : EmbeddingGenerationTests<int>.StringVectorFixture
+    {
+        public override TestStore TestStore => InMemoryTestStore.Instance;
+
+        // Note that with InMemory specifically, we can't create a vector store with an embedding generator, since it wouldn't share the seeded data with the fixture store.
+        public override VectorStore CreateVectorStore(IEmbeddingGenerator? embeddingGenerator)
+            => InMemoryTestStore.Instance.DefaultVectorStore;
+
+        public override Func<IServiceCollection, IServiceCollection>[] DependencyInjectionStoreRegistrationDelegates =>
+        [
+            // The InMemory DI methods register a new vector store instance, which doesn't share the collection seeded by the
+            // fixture and the test fails.
+            // services => services.AddInMemoryVectorStore()
+        ];
+
+        public override Func<IServiceCollection, IServiceCollection>[] DependencyInjectionCollectionRegistrationDelegates =>
+        [
+            // The InMemory DI methods register a new vector store instance, which doesn't share the collection seeded by the
+            // fixture and the test fails.
+            // services => services.AddInMemoryVectorStoreRecordCollection<int, RecordWithAttributes>(this.CollectionName)
+        ];
+    }
+
+    public new class RomOfFloatVectorFixture : EmbeddingGenerationTests<int>.RomOfFloatVectorFixture
+    {
+        public override TestStore TestStore => InMemoryTestStore.Instance;
+
+        // Note that with InMemory specifically, we can't create a vector store with an embedding generator, since it wouldn't share the seeded data with the fixture store.
+        public override VectorStore CreateVectorStore(IEmbeddingGenerator? embeddingGenerator)
+            => InMemoryTestStore.Instance.DefaultVectorStore;
+
+        public override Func<IServiceCollection, IServiceCollection>[] DependencyInjectionStoreRegistrationDelegates =>
+        [
+            // The InMemory DI methods register a new vector store instance, which doesn't share the collection seeded by the
+            // fixture and the test fails.
+            // services => services.AddInMemoryVectorStore()
+        ];
+
+        public override Func<IServiceCollection, IServiceCollection>[] DependencyInjectionCollectionRegistrationDelegates =>
+        [
+            // The InMemory DI methods register a new vector store instance, which doesn't share the collection seeded by the
+            // fixture and the test fails.
+            // services => services.AddInMemoryVectorStoreRecordCollection<int, RecordWithAttributes>(this.CollectionName)
+        ];
+    }
+}