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test_async_custom_event_implicit_config() — langchain Function Reference

Architecture documentation for the test_async_custom_event_implicit_config() function in test_dispatch_custom_event.py from the langchain codebase.

Function python CoreAbstractions RunnableInterface

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Dependency Diagram

graph TD
  4a1c5454_2d5a_31a4_9b4e_f1220c75bc41["test_async_custom_event_implicit_config()"]
  f4cde4a2_4706_d7d1_26f9_82085d97a270["test_dispatch_custom_event.py"]
  4a1c5454_2d5a_31a4_9b4e_f1220c75bc41 -->|defined in| f4cde4a2_4706_d7d1_26f9_82085d97a270
  style 4a1c5454_2d5a_31a4_9b4e_f1220c75bc41 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

libs/core/tests/unit_tests/callbacks/test_dispatch_custom_event.py lines 67–88

async def test_async_custom_event_implicit_config() -> None:
    """Test dispatch without passing config explicitly."""
    callback = AsyncCustomCallbackHandler()

    run_id = uuid.UUID(int=7)

    @RunnableLambda
    async def foo(x: int, config: RunnableConfig) -> int:
        assert "callbacks" in config
        await adispatch_custom_event("event1", {"x": x})
        await adispatch_custom_event("event2", {"x": x})
        return x

    await foo.ainvoke(
        1,
        {"callbacks": [callback], "run_id": run_id},
    )

    assert callback.events == [
        ("event1", {"x": 1}, UUID("00000000-0000-0000-0000-000000000007"), [], {}),
        ("event2", {"x": 1}, UUID("00000000-0000-0000-0000-000000000007"), [], {}),
    ]

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Frequently Asked Questions

What does test_async_custom_event_implicit_config() do?
test_async_custom_event_implicit_config() is a function in the langchain codebase, defined in libs/core/tests/unit_tests/callbacks/test_dispatch_custom_event.py.
Where is test_async_custom_event_implicit_config() defined?
test_async_custom_event_implicit_config() is defined in libs/core/tests/unit_tests/callbacks/test_dispatch_custom_event.py at line 67.

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