test_forward_ref_annotated_base_tool_accepted() — langchain Function Reference

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

Function python LangChainCore MessageInterface

Entity Profile

LangChainCore→ MessageInterface→ test_forward_ref_annotated_base_tool_accepted() — langchain Function Reference

Dependency Diagram

graph TD
  c9495237_2bf2_f899_37b9_6bc2be0c34c0["test_forward_ref_annotated_base_tool_accepted()"]
  8e7836ae_e72c_f670_72a5_4ca6d46e3555["test_tools.py"]
  c9495237_2bf2_f899_37b9_6bc2be0c34c0 -->|defined in| 8e7836ae_e72c_f670_72a5_4ca6d46e3555
  style c9495237_2bf2_f899_37b9_6bc2be0c34c0 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/test_tools.py lines 160–175

def test_forward_ref_annotated_base_tool_accepted() -> None:
    """Test that a using forward ref annotation syntax is accepted."""

    class _ForwardRefAnnotatedTool(BaseTool):
        name: str = "structured_api"
        args_schema: "type[BaseModel]" = _MockSchema
        description: str = "A Structured Tool"

        @override
        def _run(self, *, arg1: int, arg2: bool, arg3: dict | None = None) -> str:
            return f"{arg1} {arg2} {arg3}"

        async def _arun(
            self, *, arg1: int, arg2: bool, arg3: dict | None = None
        ) -> str:
            raise NotImplementedError