def test_dispatcher(self):
dispatcher = EventDispatcher()
for event_id in (
STRING_EVENT_ID,
OBJECT_EVENT_ID,
NUMERIC_EVENT_ID,
):
listener = mock.MagicMock()
assert not dispatcher.has_listeners(event_id)
dispatcher.add_listener(event_id, listener)
assert dispatcher.has_listeners(event_id)
assert listener.call_count == 0
e = dispatcher.dispatch(event_id)
assert listener.call_count == 1
assert not e.propagation_stopped
e = dispatcher.dispatch(event_id)
assert listener.call_count == 2
assert not e.propagation_stopped
def test_one_pass():
plugin = ConsoleOutputPlugin()
dispatcher = EventDispatcher()
plugin.register(dispatcher)
graph = bonobo.Graph()
context = MagicMock(spec=GraphExecutionContext(graph))
dispatcher.dispatch(events.START, events.ExecutionEvent(context))
dispatcher.dispatch(events.TICK, events.ExecutionEvent(context))
dispatcher.dispatch(events.STOPPED, events.ExecutionEvent(context))
plugin.unregister(dispatcher)
