test_empty_args_decorator() — langchain Function Reference

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

Function python LangChainCore MessageInterface

Entity Profile

LangChainCore→ MessageInterface→ test_empty_args_decorator() — langchain Function Reference

Dependency Diagram

graph TD
  81276456_d957_0814_ca69_eae57335ad56["test_empty_args_decorator()"]
  8e7836ae_e72c_f670_72a5_4ca6d46e3555["test_tools.py"]
  81276456_d957_0814_ca69_eae57335ad56 -->|defined in| 8e7836ae_e72c_f670_72a5_4ca6d46e3555
  style 81276456_d957_0814_ca69_eae57335ad56 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/test_tools.py lines 555–566

def test_empty_args_decorator() -> None:
    """Test inferred schema of decorated fn with no args."""

    @tool
    def empty_tool_input() -> str:
        """Return a constant."""
        return "the empty result"

    assert isinstance(empty_tool_input, BaseTool)
    assert empty_tool_input.name == "empty_tool_input"
    assert empty_tool_input.args == {}
    assert empty_tool_input.run({}) == "the empty result"