test_tool_partial_function_args_schema() — langchain Function Reference

Architecture documentation for the test_tool_partial_function_args_schema() function in test_tools.py from the langchain codebase.

Function python LangChainCore MessageInterface

Entity Profile

LangChainCore→ MessageInterface→ test_tool_partial_function_args_schema() — langchain Function Reference

Dependency Diagram

graph TD
  44f1ced9_e8e1_8112_5aff_addf8d909246["test_tool_partial_function_args_schema()"]
  8e7836ae_e72c_f670_72a5_4ca6d46e3555["test_tools.py"]
  44f1ced9_e8e1_8112_5aff_addf8d909246 -->|defined in| 8e7836ae_e72c_f670_72a5_4ca6d46e3555
  style 44f1ced9_e8e1_8112_5aff_addf8d909246 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/test_tools.py lines 539–552

def test_tool_partial_function_args_schema() -> None:
    """Test args schema inference when the tool argument is a partial function."""

    def func(tool_input: str, other_arg: str) -> str:
        assert isinstance(tool_input, str)
        assert isinstance(other_arg, str)
        return tool_input + other_arg

    tool = Tool(
        name="tool",
        description="A tool",
        func=partial(func, other_arg="foo"),
    )
    assert tool.run("bar") == "barfoo"