test_custom_event_root_dispatch() — langchain Function Reference

Source Code

libs/core/tests/unit_tests/callbacks/test_dispatch_custom_event.py lines 43–50

def test_custom_event_root_dispatch() -> None:
    """Test adhoc event in a nested chain."""
    # This just tests that nothing breaks on the path.
    # It shouldn't do anything at the moment, since the tracer isn't configured
    # to handle adhoc events.
    # Expected behavior is that the event cannot be dispatched
    with pytest.raises(RuntimeError):
        dispatch_custom_event("event1", {"x": 1})