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test_tool_retry_async_failing_tool() — langchain Function Reference

Architecture documentation for the test_tool_retry_async_failing_tool() function in test_tool_retry.py from the langchain codebase.

Function python LangChainCore ApiManagement

Entity Profile

Dependency Diagram

graph TD
  cdd5849d_122a_a6b3_f3c4_622e106ddbdd["test_tool_retry_async_failing_tool()"]
  c71b26df_821f_59ac_c7ef_3b96fcbe0d5b["test_tool_retry.py"]
  cdd5849d_122a_a6b3_f3c4_622e106ddbdd -->|defined in| c71b26df_821f_59ac_c7ef_3b96fcbe0d5b
  style cdd5849d_122a_a6b3_f3c4_622e106ddbdd fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_tool_retry.py lines 716–748

async def test_tool_retry_async_failing_tool() -> None:
    """Test ToolRetryMiddlewarewith async execution and failing tool."""
    model = FakeToolCallingModel(
        tool_calls=[
            [ToolCall(name="failing_tool", args={"value": "test"}, id="1")],
            [],
        ]
    )

    retry = ToolRetryMiddleware(
        max_retries=2,
        initial_delay=0.01,
        jitter=False,
        on_failure="continue",
    )

    agent = create_agent(
        model=model,
        tools=[failing_tool],
        middleware=[retry],
        checkpointer=InMemorySaver(),
    )

    result = await agent.ainvoke(
        {"messages": [HumanMessage("Use failing tool")]},
        {"configurable": {"thread_id": "test"}},
    )

    tool_messages = [m for m in result["messages"] if isinstance(m, ToolMessage)]
    assert len(tool_messages) == 1
    assert "failing_tool" in tool_messages[0].content
    assert "3 attempts" in tool_messages[0].content
    assert tool_messages[0].status == "error"

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does test_tool_retry_async_failing_tool() do?
test_tool_retry_async_failing_tool() is a function in the langchain codebase, defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_tool_retry.py.
Where is test_tool_retry_async_failing_tool() defined?
test_tool_retry_async_failing_tool() is defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_tool_retry.py at line 716.

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