test_zero_distance() — langchain Function Reference

Architecture documentation for the test_zero_distance() function in test_base.py from the langchain codebase.

Function python LangChainCore LanguageModelBase

Entity Profile

LangChainCore→ LanguageModelBase→ test_zero_distance() — langchain Function Reference

Dependency Diagram

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  8edfa601_fc65_c0be_3f3b_19d8d9c8e614["test_zero_distance()"]
  e7777523_d43e_dcb6_7c8a_3873458d11a8["test_base.py"]
  8edfa601_fc65_c0be_3f3b_19d8d9c8e614 -->|defined in| e7777523_d43e_dcb6_7c8a_3873458d11a8
  style 8edfa601_fc65_c0be_3f3b_19d8d9c8e614 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/tests/unit_tests/evaluation/string_distance/test_base.py lines 12–17

def test_zero_distance(distance: StringDistance) -> None:
    eval_chain = StringDistanceEvalChain(distance=distance)
    string = "三人行则必有我师"
    result = eval_chain.evaluate_strings(prediction=string, reference=string)
    assert "score" in result
    assert result["score"] == 0