Files
crewAI/tests/utilities/events/test_crewai_event_bus.py
2025-05-12 13:31:07 +00:00

50 lines
1.3 KiB
Python

from typing import NoReturn
from unittest.mock import Mock
from crewai.utilities.events.base_events import BaseEvent
from crewai.utilities.events.crewai_event_bus import crewai_event_bus
class TestEvent(BaseEvent):
pass
def test_specific_event_handler() -> None:
mock_handler = Mock()
@crewai_event_bus.on(TestEvent)
def handler(source, event) -> None:
mock_handler(source, event)
event = TestEvent(type="test_event")
crewai_event_bus.emit("source_object", event)
mock_handler.assert_called_once_with("source_object", event)
def test_wildcard_event_handler() -> None:
mock_handler = Mock()
@crewai_event_bus.on(BaseEvent)
def handler(source, event) -> None:
mock_handler(source, event)
event = TestEvent(type="test_event")
crewai_event_bus.emit("source_object", event)
mock_handler.assert_called_once_with("source_object", event)
def test_event_bus_error_handling(capfd) -> None:
@crewai_event_bus.on(BaseEvent)
def broken_handler(source, event) -> NoReturn:
msg = "Simulated handler failure"
raise ValueError(msg)
event = TestEvent(type="test_event")
crewai_event_bus.emit("source_object", event)
out, err = capfd.readouterr()
assert "Simulated handler failure" in out
assert "Handler 'broken_handler' failed" in out