class SignalsTest(AsyncTestCase):
def setUp(self):
self.bus = EventBus()
super().setUp()
@gen_test(timeout=0.2)
def test_basic_signal(self):
res = []
hit = lambda x: res.append(True)
listener = Listener('pp.found', hit, async=False)
res2 = []
hit2 = lambda x: res2.append(True)
listener2 = Listener('pp.found', hit2, async=True)
self.bus.register_listener(listener)
self.bus.register_listener(listener2)
self.assertEqual(len(res), 0)
signal = Event('pp.something-else')
self.bus.trigger_signal(signal)
self.assertEqual(len(res), 0)
signal = Event('pp.found')
self.bus.trigger_signal(signal)
self.assertEqual(len(res), 1)
self.assertEqual(len(res2), 0)
yield gen.Task(self.io_loop.current().add_timeout, timedelta(milliseconds=2))
self.assertEqual(len(res2), 1)
def test_with_obj(self):
obj = 1
res = []
hit = lambda x: res.append(True)
signal = Event('pp', obj=obj)
listener = Listener('pp', hit, obj=obj, async=False)
obj2='foo'
res2 = []
hit2 = lambda x: res2.append(True)
signal2 = Event('pp', obj=obj2)
listener2 = Listener('pp', hit2, obj=obj2, async=False)
self.bus.register_listener(listener)
self.bus.register_listener(listener2)
self.bus.trigger_signal(signal)
self.bus.trigger_signal(signal2)
self.assertEqual(len(res), 1)
self.assertEqual(len(res2), 1)
def test_removal(self):
res = []
hit = lambda x:res.append(True)
listener = Listener('pp.found', hit, async=False)
self.bus.register_listener(listener)
signal = Event('pp.found')
self.bus.trigger_signal(signal)
self.bus.remove_listener(listener)
self.assertEqual(len(res), 1)
self.bus.trigger_signal(signal)
self.assertEqual(len(res), 1)
@gen_test(timeout=0.2)
def test_basic_mixin_and_decorator(self):
tc = TestClass()
self.assertEqual(tc.observed, 0)
tc.ping()
yield gen.Task(self.io_loop.current().add_timeout, timedelta(milliseconds=2))
self.assertEqual(tc.observed, 1)
