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test_custom_tool_description() — langchain Function Reference

Architecture documentation for the test_custom_tool_description() function in test_todo.py from the langchain codebase.

Function python LangChainCore MessageInterface

Entity Profile

Dependency Diagram

graph TD
  881db436_36eb_7fbb_e92f_f831b2fe40eb["test_custom_tool_description()"]
  d2f3bc2a_72aa_59d0_8558_330793eda010["test_todo.py"]
  881db436_36eb_7fbb_e92f_f831b2fe40eb -->|defined in| d2f3bc2a_72aa_59d0_8558_330793eda010
  style 881db436_36eb_7fbb_e92f_f831b2fe40eb fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_todo.py lines 232–239

def test_custom_tool_description() -> None:
    """Test that middleware uses custom tool description."""
    custom_description = "Custom todo tool description"
    middleware = TodoListMiddleware(tool_description=custom_description)

    # Tool should use custom description
    assert len(middleware.tools) == 1
    assert middleware.tools[0].description == custom_description

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does test_custom_tool_description() do?
test_custom_tool_description() is a function in the langchain codebase, defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_todo.py.
Where is test_custom_tool_description() defined?
test_custom_tool_description() is defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_todo.py at line 232.

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