def test_event_dispatch_no_dispatcher(capsys):
evt = Event(name='cross red light', context='test')
evt.enabled = True
def handler(context, data):
print(context.hook, context.event.metadata, data.value)
evt.topics.append({
'init': [handler],
})
evt.dispatch(hook='init', data='handle me')
captured = capsys.readouterr()
assert captured.out == ""
def test_event_dispatch_enable(capsys):
evt = Event(name='cross red light', context='test')
evt.dispatcher = EventDispatcher()
def handler(context, data):
print(context.hook, context.event.metadata, data)
evt.topics.append({
'enable': [handler],
'init': [handler],
})
evt.enabled = True
evt.enabled = True # check does not dispatch if no change
evt.dispatch(hook='init', data='handle me')
captured = capsys.readouterr()
assert captured.out == """\