test_no_filtering_for_string_input() — langchain Function Reference

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

Function python LangChainCore MessageInterface

Entity Profile

LangChainCore→ MessageInterface→ test_no_filtering_for_string_input() — langchain Function Reference

Dependency Diagram

graph TD
  517ab386_90cf_1afe_fbe9_3f1d8f2ca9d3["test_no_filtering_for_string_input()"]
  8e7836ae_e72c_f670_72a5_4ca6d46e3555["test_tools.py"]
  517ab386_90cf_1afe_fbe9_3f1d8f2ca9d3 -->|defined in| 8e7836ae_e72c_f670_72a5_4ca6d46e3555
  style 517ab386_90cf_1afe_fbe9_3f1d8f2ca9d3 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/test_tools.py lines 3107–3127

def test_no_filtering_for_string_input() -> None:
    """Test that string inputs are not filtered (passed as None)."""

    @tool
    def simple_tool(query: str) -> str:
        """Simple tool with string input.

        Args:
            query: The query string.
        """
        return f"Result: {query}"

    handler = CallbackHandlerWithInputCapture(captured_inputs=[])
    result = simple_tool.invoke("test query", config={"callbacks": [handler]})

    assert result == "Result: test query"
    assert handler.tool_starts == 1
    assert len(handler.captured_inputs) == 1

    # String inputs should result in None for the inputs parameter
    assert handler.captured_inputs[0] is None