test_vectorstore_still_empty_async() — langchain Function Reference

Source Code

libs/standard-tests/langchain_tests/integration_tests/vectorstores.py lines 535–554

    async def test_vectorstore_still_empty_async(
        self, vectorstore: VectorStore
    ) -> None:
        """Test that the `VectorStore` is still empty.

        This test should follow a test that adds documents.

        This just verifies that the fixture is set up properly to be empty
        after each test.

        ??? note "Troubleshooting"

            If this test fails, check that the test class (i.e., sub class of
            `VectorStoreIntegrationTests`) correctly clears the vector store in the
            `finally` block.
        """
        if not self.has_async:
            pytest.skip("Async tests not supported.")

        assert await vectorstore.asimilarity_search("foo", k=1) == []