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from molotov.listeners import BaseListener, EventSender
from molotov.tests.support import TestLoop, async_test, patch_errors
class MyBuggyListener(BaseListener):
def on_my_event(self, **options):
raise Exception("Bam")
class TestListeners(TestLoop):
@async_test
async def test_add_listener(self, loop, console, results):
class MyListener(BaseListener):
def __init__(self):
self.fired = False
self.value = None
def on_my_event(self, **options):
self.fired = True
self.value = options["value"]
listener = MyListener()
eventer = EventSender(console)
eventer.add_listener(listener)
await eventer.send_event("my_event", value=42)
self.assertTrue(listener.fired)
self.assertEqual(listener.value, 42)
@patch_errors
@async_test
async def test_buggy_listener(self, console_print, loop, console, results):
listener = MyBuggyListener()
eventer = EventSender(console)
eventer.add_listener(listener)
await eventer.send_event("my_event")
self.assertTrue("Bam" in console_print())
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