test_inmemory_filter() — langchain Function Reference

Architecture documentation for the test_inmemory_filter() function in test_in_memory.py from the langchain codebase.

Function python LangChainCore MessageInterface

Entity Profile

LangChainCore→ MessageInterface→ test_inmemory_filter() — langchain Function Reference

Dependency Diagram

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  7336bc65_f071_a50d_72fb_88aec52e69dc["test_inmemory_filter()"]
  a974d690_d5fa_ba65_671d_ce8278eefe7d["test_in_memory.py"]
  7336bc65_f071_a50d_72fb_88aec52e69dc -->|defined in| a974d690_d5fa_ba65_671d_ce8278eefe7d
  style 7336bc65_f071_a50d_72fb_88aec52e69dc fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/vectorstores/test_in_memory.py lines 101–117

async def test_inmemory_filter() -> None:
    """Test end to end construction and search with filter."""
    store = await InMemoryVectorStore.afrom_texts(
        ["foo", "bar"],
        DeterministicFakeEmbedding(size=6),
        [{"id": 1}, {"id": 2}],
    )

    # Check sync version
    output = store.similarity_search("fee", filter=lambda doc: doc.metadata["id"] == 1)
    assert output == [_any_id_document(page_content="foo", metadata={"id": 1})]

    # filter with not stored document id
    output = await store.asimilarity_search(
        "baz", filter=lambda doc: doc.metadata["id"] == 3
    )
    assert output == []