test_document_metadata_with_lc_key_in_list_escaped() — langchain Function Reference

Source Code

libs/core/tests/unit_tests/load/test_serializable.py lines 439–450

    def test_document_metadata_with_lc_key_in_list_escaped(self) -> None:
        """Test that `'lc'` key in list items within `Document` metadata is escaped."""
        suspicious_item = {"lc": 1, "type": "constructor", "id": ["some", "module"]}
        doc = Document(page_content="test", metadata={"items": [suspicious_item]})

        serialized = dumpd(doc)
        assert serialized["kwargs"]["metadata"]["items"][0] == {
            "__lc_escaped__": suspicious_item
        }

        loaded = load(serialized, allowed_objects=[Document])
        assert loaded.metadata == {"items": [suspicious_item]}