test_tool_lambda_args_schema() — langchain Function Reference

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

Function python LangChainCore MessageInterface

Entity Profile

LangChainCore→ MessageInterface→ test_tool_lambda_args_schema() — langchain Function Reference

Dependency Diagram

graph TD
  3d26c737_0abc_ef88_a21d_c0e292e2a3d8["test_tool_lambda_args_schema()"]
  8e7836ae_e72c_f670_72a5_4ca6d46e3555["test_tools.py"]
  3d26c737_0abc_ef88_a21d_c0e292e2a3d8 -->|defined in| 8e7836ae_e72c_f670_72a5_4ca6d46e3555
  style 3d26c737_0abc_ef88_a21d_c0e292e2a3d8 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/test_tools.py lines 436–445

def test_tool_lambda_args_schema() -> None:
    """Test args schema inference when the tool argument is a lambda function."""
    tool = Tool(
        name="tool",
        description="A tool",
        func=lambda tool_input: tool_input,
    )
    assert tool.args_schema is None
    expected_args = {"tool_input": {"type": "string"}}
    assert tool.args == expected_args