def test_signal_dispatch_with_correct_arguments():
test_signal = Signal(arguments=['number'])
test_signal.connect(
sender=Sender, receiver=coroutine_receiver_double_multiplier)
task = test_signal.dispatch(sender=Sender, number=2)[0]
loop = asyncio.get_event_loop()
result = loop.run_until_complete(task)
assert result == 4
loop.close()
def test_signal_dispatch_with_wrong_arguments():
with pytest.raises(ArgumentError):
test_signal = Signal()
test_signal.dispatch(sender=Sender, some_arg=True)