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test_boolean_output_parser_parse() — langchain Function Reference

Architecture documentation for the test_boolean_output_parser_parse() function in test_boolean_parser.py from the langchain codebase.

Function python LangChainCore Runnables

Entity Profile

Dependency Diagram

graph TD
  a09d3b66_9a14_f605_94ae_35f2a3323c8a["test_boolean_output_parser_parse()"]
  918c4272_4b61_feee_83d1_6bf74ec96874["test_boolean_parser.py"]
  a09d3b66_9a14_f605_94ae_35f2a3323c8a -->|defined in| 918c4272_4b61_feee_83d1_6bf74ec96874
  style a09d3b66_9a14_f605_94ae_35f2a3323c8a fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/tests/unit_tests/output_parsers/test_boolean_parser.py lines 8–55

def test_boolean_output_parser_parse() -> None:
    parser = BooleanOutputParser()

    # Test valid input
    result = parser.parse("YES")
    assert result is True

    # Test valid input
    result = parser.parse("NO")
    assert result is False

    # Test valid input
    result = parser.parse("yes")
    assert result is True

    # Test valid input
    result = parser.parse("no")
    assert result is False

    # Test valid input
    result = parser.parse("Not relevant (NO)")
    assert result is False

    # Test valid input
    result = parser.parse("NOW this is relevant (YES)")
    assert result is True

    # Test ambiguous input
    with pytest.raises(
        ValueError,
        match=re.escape("Ambiguous response. Both YES and NO in received: YES NO."),
    ):
        parser.parse("YES NO")

    with pytest.raises(
        ValueError,
        match=re.escape("Ambiguous response. Both YES and NO in received: NO YES."),
    ):
        parser.parse("NO YES")
    # Bad input
    with pytest.raises(
        ValueError,
        match=re.escape(
            "BooleanOutputParser expected output value to include either YES or NO. "
            "Received BOOM."
        ),
    ):
        parser.parse("BOOM")

Domain

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Defined In

Source

Frequently Asked Questions

What does test_boolean_output_parser_parse() do?
test_boolean_output_parser_parse() is a function in the langchain codebase, defined in libs/langchain/tests/unit_tests/output_parsers/test_boolean_parser.py.
Where is test_boolean_output_parser_parse() defined?
test_boolean_output_parser_parse() is defined in libs/langchain/tests/unit_tests/output_parsers/test_boolean_parser.py at line 8.

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