test_inheritance_with_no_llm_properties() — langchain Function Reference

Source Code

libs/partners/huggingface/tests/unit_tests/test_chat_models.py lines 294–308

def test_inheritance_with_no_llm_properties(mock_llm: Any) -> None:
    """Test inheritance when LLM doesn't have expected properties."""
    # Remove some properties from mock
    del mock_llm.temperature
    del mock_llm.top_p

    with patch(
        "langchain_huggingface.chat_models.huggingface.ChatHuggingFace._resolve_model_id"
    ):
        chat = ChatHuggingFace(llm=mock_llm)
        # Should still inherit available properties
        assert chat.max_tokens == 512  # max_new_tokens still available
        # Missing properties should remain None/default
        assert getattr(chat, "temperature", None) is None
        assert getattr(chat, "top_p", None) is None