test_similarity_search_with_relevance_score_with_threshold_and_filter() — langchain Function Reference

Source Code

libs/partners/qdrant/tests/integration_tests/async_api/test_similarity_search.py lines 195–225

async def test_similarity_search_with_relevance_score_with_threshold_and_filter(
    vector_name: str | None,
    qdrant_location: str,
) -> None:
    """Test end to end construction and search."""
    texts = ["foo", "bar", "baz"]
    metadatas = [
        {"page": i, "metadata": {"page": i + 1, "pages": [i + 2, -1]}}
        for i in range(len(texts))
    ]
    docsearch = Qdrant.from_texts(
        texts,
        ConsistentFakeEmbeddings(),
        metadatas=metadatas,
        vector_name=vector_name,
        location=qdrant_location,
    )
    score_threshold = 0.99  # for almost exact match
    # test negative filter condition
    negative_filter = {"page": 1, "metadata": {"page": 2, "pages": [3]}}
    kwargs = {"filter": negative_filter, "score_threshold": score_threshold}
    output = docsearch.similarity_search_with_relevance_scores("foo", k=3, **kwargs)
    assert len(output) == 0
    # test positive filter condition
    positive_filter = {"page": 0, "metadata": {"page": 1, "pages": [2]}}
    kwargs = {"filter": positive_filter, "score_threshold": score_threshold}
    output = await docsearch.asimilarity_search_with_relevance_scores(
        "foo", k=3, **kwargs
    )
    assert len(output) == 1
    assert all(score >= score_threshold for _, score in output)