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test_criteria_eval_chain_missing_reference() — langchain Function Reference

Architecture documentation for the test_criteria_eval_chain_missing_reference() function in test_eval_chain.py from the langchain codebase.

Function python LangChainCore Runnables

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Dependency Diagram

graph TD
  1a085969_3843_d4e0_613e_e9df37b23542["test_criteria_eval_chain_missing_reference()"]
  6574b37d_0df6_62d4_c092_841a60201601["test_eval_chain.py"]
  1a085969_3843_d4e0_613e_e9df37b23542 -->|defined in| 6574b37d_0df6_62d4_c092_841a60201601
  style 1a085969_3843_d4e0_613e_e9df37b23542 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

libs/langchain/tests/unit_tests/evaluation/criteria/test_eval_chain.py lines 86–97

def test_criteria_eval_chain_missing_reference() -> None:
    chain = LabeledCriteriaEvalChain.from_llm(
        llm=FakeLLM(
            queries={"text": "The meaning of life\nY"},
            sequential_responses=True,
        ),
        criteria={"my criterion": "my criterion description"},
    )
    with pytest.raises(
        ValueError, match="LabeledCriteriaEvalChain requires a reference string"
    ):
        chain.evaluate_strings(prediction="my prediction", input="my input")

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Defined In

Source

Frequently Asked Questions

What does test_criteria_eval_chain_missing_reference() do?
test_criteria_eval_chain_missing_reference() is a function in the langchain codebase, defined in libs/langchain/tests/unit_tests/evaluation/criteria/test_eval_chain.py.
Where is test_criteria_eval_chain_missing_reference() defined?
test_criteria_eval_chain_missing_reference() is defined in libs/langchain/tests/unit_tests/evaluation/criteria/test_eval_chain.py at line 86.

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