community[patch]: Test InMemoryVectorStore with RWAPI test suite (#23603)

Add standard test suite to InMemoryVectorStore implementation.

libs/community/tests/unit_tests/test_dependencies.py

@@ -78,6 +78,7 @@ def test_test_group_dependencies(poetry_conf: Mapping[str, Any]) -> None:
             "duckdb-engine",
             "freezegun",
             "langchain-core",
+            "langchain-standard-tests",
             "langchain",
             "lark",
             "pandas",

libs/community/tests/unit_tests/vectorstores/test_inmemory.py

@@ -1,6 +1,11 @@
 from pathlib import Path
 
+import pytest
 from langchain_core.documents import Document
+from langchain_standard_tests.integration_tests.vectorstores import (
+    AsyncReadWriteTestSuite,
+    ReadWriteTestSuite,
+)
 
 from langchain_community.vectorstores.inmemory import InMemoryVectorStore
 from tests.integration_tests.vectorstores.fake_embeddings import (
@@ -8,6 +13,18 @@ from tests.integration_tests.vectorstores.fake_embeddings import (
 )
 
 
+class TestInMemoryReadWriteTestSuite(ReadWriteTestSuite):
+    @pytest.fixture
+    def vectorstore(self) -> InMemoryVectorStore:
+        return InMemoryVectorStore(embedding=self.get_embeddings())
+
+
+class TestAsyncInMemoryReadWriteTestSuite(AsyncReadWriteTestSuite):
+    @pytest.fixture
+    async def vectorstore(self) -> InMemoryVectorStore:
+        return InMemoryVectorStore(embedding=self.get_embeddings())
+
+
 async def test_inmemory() -> None:
     """Test end to end construction and search."""
     store = await InMemoryVectorStore.afrom_texts(