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test__validate_example_inputs_for_chain_input_mapper() — langchain Function Reference

Architecture documentation for the test__validate_example_inputs_for_chain_input_mapper() function in test_runner_utils.py from the langchain codebase.

Function python LangChainCore LanguageModelBase

Entity Profile

Dependency Diagram

graph TD
  793260e3_f5ca_9d83_9cc3_79d1f3235bdb["test__validate_example_inputs_for_chain_input_mapper()"]
  c6cd417d_d0bc_a309_dd34_61e338d2ac18["test_runner_utils.py"]
  793260e3_f5ca_9d83_9cc3_79d1f3235bdb -->|defined in| c6cd417d_d0bc_a309_dd34_61e338d2ac18
  style 793260e3_f5ca_9d83_9cc3_79d1f3235bdb fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/tests/unit_tests/smith/evaluation/test_runner_utils.py lines 108–135

def test__validate_example_inputs_for_chain_input_mapper() -> None:
    mock_ = mock.MagicMock()
    mock_.inputs = {"foo": "bar", "baz": "qux"}
    chain = mock.MagicMock()
    chain.input_keys = ["not foo", "not baz", "not qux"]

    def wrong_output_format(inputs: dict) -> str:
        assert "foo" in inputs
        assert "baz" in inputs
        return "hehe"

    with pytest.raises(InputFormatError, match="must be a dictionary"):
        _validate_example_inputs_for_chain(mock_, chain, wrong_output_format)

    def wrong_output_keys(inputs: dict) -> dict:
        assert "foo" in inputs
        assert "baz" in inputs
        return {"not foo": "foo", "not baz": "baz"}

    with pytest.raises(InputFormatError, match="Missing keys after loading example"):
        _validate_example_inputs_for_chain(mock_, chain, wrong_output_keys)

    def input_mapper(inputs: dict) -> dict:
        assert "foo" in inputs
        assert "baz" in inputs
        return {"not foo": inputs["foo"], "not baz": inputs["baz"], "not qux": "qux"}

    _validate_example_inputs_for_chain(mock_, chain, input_mapper)

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Frequently Asked Questions

What does test__validate_example_inputs_for_chain_input_mapper() do?
test__validate_example_inputs_for_chain_input_mapper() is a function in the langchain codebase, defined in libs/langchain/tests/unit_tests/smith/evaluation/test_runner_utils.py.
Where is test__validate_example_inputs_for_chain_input_mapper() defined?
test__validate_example_inputs_for_chain_input_mapper() is defined in libs/langchain/tests/unit_tests/smith/evaluation/test_runner_utils.py at line 108.

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