test__collapse_docs_metadata() — langchain Function Reference

Architecture documentation for the test__collapse_docs_metadata() function in test_combine_documents.py from the langchain codebase.

Function python LangChainCore ApiManagement

Entity Profile

LangChainCore→ ApiManagement→ test__collapse_docs_metadata() — langchain Function Reference

Dependency Diagram

graph TD
  886c9687_a53a_8bdb_e039_d6a9236dca53["test__collapse_docs_metadata()"]
  fdcbc2e2_7fde_290c_7006_d84e63536c57["test_combine_documents.py"]
  886c9687_a53a_8bdb_e039_d6a9236dca53 -->|defined in| fdcbc2e2_7fde_290c_7006_d84e63536c57
  style 886c9687_a53a_8bdb_e039_d6a9236dca53 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/tests/unit_tests/chains/test_combine_documents.py lines 105–122

def test__collapse_docs_metadata() -> None:
    """Test collapse documents functionality when metadata exists."""
    metadata1 = {"source": "a", "foo": 2, "bar": "1", "extra1": "foo"}
    metadata2 = {"source": "b", "foo": "3", "bar": 2, "extra2": "bar"}
    docs = [
        Document(page_content="foo", metadata=metadata1),
        Document(page_content="bar", metadata=metadata2),
    ]
    output = collapse_docs(docs, _fake_combine_docs_func)
    expected_metadata = {
        "source": "a, b",
        "foo": "2, 3",
        "bar": "1, 2",
        "extra1": "foo",
        "extra2": "bar",
    }
    expected_output = Document(page_content="foobar", metadata=expected_metadata)
    assert output == expected_output