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test_load_followed_by_content_response() — langchain Function Reference

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

Function python LangChainCore LanguageModelBase

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Dependency Diagram

graph TD
  eab97f35_2596_d4dc_a1fb_c5c3803d49c6["test_load_followed_by_content_response()"]
  9c4a2438_9884_cbb0_3cf5_de8827531653["test_chat_models.py"]
  eab97f35_2596_d4dc_a1fb_c5c3803d49c6 -->|defined in| 9c4a2438_9884_cbb0_3cf5_de8827531653
  style eab97f35_2596_d4dc_a1fb_c5c3803d49c6 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

libs/partners/ollama/tests/unit_tests/test_chat_models.py lines 247–283

def test_load_followed_by_content_response(
    caplog: pytest.LogCaptureFixture,
) -> None:
    """Test load responses log a warning and are skipped when followed by content."""
    load_then_content_response = [
        {
            "model": "test-model",
            "created_at": "2025-01-01T00:00:00.000000000Z",
            "done": True,
            "done_reason": "load",
            "message": {"role": "assistant", "content": ""},
        },
        {
            "model": "test-model",
            "created_at": "2025-01-01T00:00:01.000000000Z",
            "done": True,
            "done_reason": "stop",
            "message": {
                "role": "assistant",
                "content": "Hello! How can I help you today?",
            },
        },
    ]

    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 = load_then_content_response

        llm = ChatOllama(model="test-model")

        with caplog.at_level(logging.WARNING):
            result = llm.invoke([HumanMessage("Hello")])

        assert "Ollama returned empty response with done_reason='load'" in caplog.text
        assert result.content == "Hello! How can I help you today?"
        assert result.response_metadata.get("done_reason") == "stop"

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Frequently Asked Questions

What does test_load_followed_by_content_response() do?
test_load_followed_by_content_response() is a function in the langchain codebase, defined in libs/partners/ollama/tests/unit_tests/test_chat_models.py.
Where is test_load_followed_by_content_response() defined?
test_load_followed_by_content_response() is defined in libs/partners/ollama/tests/unit_tests/test_chat_models.py at line 247.

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