from app.db.repositories.document import _is_meaningful_extraction_value


def test_extraction_completeness_excludes_empty_placeholders() -> None:
    assert _is_meaningful_extraction_value("0") is True
    assert _is_meaningful_extraction_value("正常") is True
    assert _is_meaningful_extraction_value("") is False
    assert _is_meaningful_extraction_value("   ") is False
    assert _is_meaningful_extraction_value("[]") is False
    assert _is_meaningful_extraction_value("{}") is False
    assert _is_meaningful_extraction_value("null") is False
    assert _is_meaningful_extraction_value("未提供") is False