test_all_none_parameters_results_in_empty_options() — langchain Function Reference

Source Code

libs/partners/ollama/tests/unit_tests/test_chat_models.py lines 354–380

def test_all_none_parameters_results_in_empty_options() -> None:
    """Test that when all parameters are None, options dict is empty."""
    response = [
        {
            "model": "test-model",
            "created_at": "2025-01-01T00:00:00.000000000Z",
            "done": True,
            "done_reason": "stop",
            "message": {"role": "assistant", "content": "Hello!"},
        }
    ]

    with patch("langchain_ollama.chat_models.Client") as mock_client_class:
        mock_client = MagicMock()
        mock_client_class.return_value = mock_client
        mock_client.chat.return_value = response

        # Create ChatOllama with no parameters set
        llm = ChatOllama(model="test-model")
        llm.invoke([HumanMessage("Hello")])

        # Get the options dict that was passed to chat
        call_kwargs = mock_client.chat.call_args[1]
        options = call_kwargs.get("options", {})

        # Options should be empty when no parameters are set
        assert options == {}