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test_async_can_jump_to_integration() — langchain Function Reference

Architecture documentation for the test_async_can_jump_to_integration() function in test_decorators.py from the langchain codebase.

Function python LangChainCore Runnables calls 1

Entity Profile

Dependency Diagram

graph TD
  58d6df01_ca59_3024_d92c_5c03378adcf6["test_async_can_jump_to_integration()"]
  85a104a3_11cf_6539_d0c0_ba69a17a41d4["test_decorators.py"]
  58d6df01_ca59_3024_d92c_5c03378adcf6 -->|defined in| 85a104a3_11cf_6539_d0c0_ba69a17a41d4
  68028dcd_ea5b_7d3a_0d75_c9ebd1cef92b["before_model()"]
  58d6df01_ca59_3024_d92c_5c03378adcf6 -->|calls| 68028dcd_ea5b_7d3a_0d75_c9ebd1cef92b
  style 58d6df01_ca59_3024_d92c_5c03378adcf6 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_decorators.py lines 481–506

async def test_async_can_jump_to_integration() -> None:
    """Test can_jump_to parameter in a full agent with async middleware."""
    calls = []

    @before_model(can_jump_to=["end"])
    async def async_early_exit(
        state: AgentState[Any], *_args: Any, **_kwargs: Any
    ) -> dict[str, Any] | None:
        calls.append("async_early_exit")
        if state["messages"][0].content == "exit":
            return {"jump_to": "end"}
        return None

    agent = create_agent(model=FakeToolCallingModel(), middleware=[async_early_exit])
    # Agent is already compiled

    # Test with early exit
    result = await agent.ainvoke({"messages": [HumanMessage("exit")]})
    assert calls == ["async_early_exit"]
    assert len(result["messages"]) == 1

    # Test without early exit
    calls.clear()
    result = await agent.ainvoke({"messages": [HumanMessage("hello")]})
    assert calls == ["async_early_exit"]
    assert len(result["messages"]) > 1

Domain

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Defined In

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Source

Frequently Asked Questions

What does test_async_can_jump_to_integration() do?
test_async_can_jump_to_integration() is a function in the langchain codebase, defined in libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_decorators.py.
Where is test_async_can_jump_to_integration() defined?
test_async_can_jump_to_integration() is defined in libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_decorators.py at line 481.
What does test_async_can_jump_to_integration() call?
test_async_can_jump_to_integration() calls 1 function(s): before_model.

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