test_inheritance_with_empty_llm() — langchain Function Reference

Architecture documentation for the test_inheritance_with_empty_llm() function in test_chat_models.py from the langchain codebase.

Function python LangChainCore LanguageModelBase

Entity Profile

LangChainCore→ LanguageModelBase→ test_inheritance_with_empty_llm() — langchain Function Reference

Dependency Diagram

graph TD
  0340a541_c411_d337_e43e_4beecf5166f2["test_inheritance_with_empty_llm()"]
  ab3fd66d_3ad7_be56_7427_66f2c1a9d0a8["test_chat_models.py"]
  0340a541_c411_d337_e43e_4beecf5166f2 -->|defined in| ab3fd66d_3ad7_be56_7427_66f2c1a9d0a8
  style 0340a541_c411_d337_e43e_4beecf5166f2 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/partners/huggingface/tests/unit_tests/test_chat_models.py lines 311–327

def test_inheritance_with_empty_llm() -> None:
    """Test that inheritance handles LLM with no relevant attributes gracefully."""
    with patch(
        "langchain_huggingface.chat_models.huggingface.ChatHuggingFace._resolve_model_id"
    ):
        # Create a minimal mock LLM that passes validation but has no
        # inheritance attributes
        empty_llm = Mock(spec=HuggingFaceEndpoint)
        empty_llm.repo_id = "test/model"
        empty_llm.model = "test/model"
        # Mock doesn't have the inheritance attributes by default

        chat = ChatHuggingFace(llm=empty_llm)
        # Properties should remain at their default values when LLM has no
        # relevant attrs
        assert chat.max_tokens is None
        assert chat.temperature is None