def test_emit_throws(self):
restore = conf.debug
try:
conf.debug = True
emitter = Emitter()
with pytest.raises(ValueError) as excinfo:
emitter.emit('foo')
assert '`operation` must not be empty' == str(excinfo.value)
finally:
conf.debug = restore
def event_from_callback(cls, event, **kwargs):
events = []
def cb(message):
events.append(message)
adapter = adapters.ListAdapter()
transport = transports.Transport(
adapter, worker_class=transports.Worker)
emitter = Emitter(transport=transport, callbacks=[cb], **kwargs)
emitter.emit(event)
assert len(events) == 1
event = events.pop()
assert isinstance(event, Event)
return event