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test_todo_middleware_default_prompts() — langchain Function Reference

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

Function python LangChainCore ApiManagement

Entity Profile

Dependency Diagram

graph TD
  45d8a7e2_e928_1254_2dc0_0c3346b0173d["test_todo_middleware_default_prompts()"]
  d2f3bc2a_72aa_59d0_8558_330793eda010["test_todo.py"]
  45d8a7e2_e928_1254_2dc0_0c3346b0173d -->|defined in| d2f3bc2a_72aa_59d0_8558_330793eda010
  style 45d8a7e2_e928_1254_2dc0_0c3346b0173d fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_todo.py lines 68–79

def test_todo_middleware_default_prompts() -> None:
    """Test that TodoListMiddleware uses default prompts when none provided."""
    middleware = TodoListMiddleware()

    # Verify default system prompt
    assert middleware.system_prompt == WRITE_TODOS_SYSTEM_PROMPT

    # Verify default tool description
    assert middleware.tool_description == WRITE_TODOS_TOOL_DESCRIPTION
    assert len(middleware.tools) == 1
    tool = middleware.tools[0]
    assert tool.description == WRITE_TODOS_TOOL_DESCRIPTION

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Frequently Asked Questions

What does test_todo_middleware_default_prompts() do?
test_todo_middleware_default_prompts() is a function in the langchain codebase, defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_todo.py.
Where is test_todo_middleware_default_prompts() defined?
test_todo_middleware_default_prompts() is defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_todo.py at line 68.

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