def test_RaisesErrorOnErrorTrigger(self):
triggered = [False]
def check(r):
self.assertRaises(ValueError, r.get)
triggered[0] = True
d = Deferred()
d.add_callback(check)
d.error(ValueError('Test'))
self.assertTrue(triggered[0])
def test_CanStoreCallbacks(self):
triggered = [False]
actual = [None]
def check(r):
actual[0] = r.get()
triggered[0] = True
d = Deferred()
d.add_callback(check)
d.trigger('Test')
self.assertTrue(triggered[0])
self.assertEqual('Test', actual[0])
def test_DoNotLoseChunkWhenCallbackIsNotSetYet(self):
triggered = [False]
actual = [None]
d = Deferred()
d.trigger('Test')
def check(r):
triggered[0] = True
actual[0] = r.get()
d.add_callback(check)
self.assertTrue(triggered[0])
self.assertEqual('Test', actual[0])
