test_html_splitter_with_external_metadata() — langchain Function Reference

Source Code

libs/text-splitters/tests/unit_tests/test_text_splitters.py lines 3650–3671

def test_html_splitter_with_external_metadata() -> None:
    """Test HTML splitting with external metadata integration."""
    html_content = """
    <h1>Section 1</h1>
    <p>This is some content.</p>
    """
    with suppress_langchain_beta_warning():
        splitter = HTMLSemanticPreservingSplitter(
            headers_to_split_on=[("h1", "Header 1")],
            external_metadata={"source": "example.com"},
            max_chunk_size=1000,
        )
    documents = splitter.split_text(html_content)

    expected = [
        Document(
            page_content="This is some content.",
            metadata={"Header 1": "Section 1", "source": "example.com"},
        ),
    ]

    assert documents == expected