def test_add_remove(self):
listener = _Listener()
calls = []
def cb(*args, **kw):
calls.append((args, kw))
listener.add(cb)
listener.notify('foo', 'bar', quux='zing')
listener.remove(cb)
listener.notify('foo', 'bar', quux='zing')
self.assertEqual(1, len(calls))
self.assertEqual(('foo', 'bar'), calls[0][0])
self.assertEqual(dict(quux='zing'), calls[0][1])
def test_add_remove(self):
listener = _Listener()
calls = []
def cb(*args, **kw):
calls.append((args, kw))
listener.add(cb)
listener.notify('foo', 'bar', quux='zing')
listener.remove(cb)
listener.notify('foo', 'bar', quux='zing')
self.assertEqual(1, len(calls))
self.assertEqual(('foo', 'bar'), calls[0][0])
self.assertEqual(dict(quux='zing'), calls[0][1])
def test_notify_with_exception(self):
listener = _Listener()
calls = []
def cb(*args, **kw):
calls.append((args, kw))
def bad_cb(*args, **kw):
raise Exception("sadness")
listener.add(bad_cb)
listener.add(cb)
listener.notify('foo', 'bar', quux='zing')
self.assertEqual(1, len(calls))
self.assertEqual(('foo', 'bar'), calls[0][0])
self.assertEqual(dict(quux='zing'), calls[0][1])
def test_notify_with_exception(self):
listener = _Listener()
calls = []
def cb(*args, **kw):
calls.append((args, kw))
def bad_cb(*args, **kw):
raise Exception("sadness")
listener.add(bad_cb)
listener.add(cb)
listener.notify('foo', 'bar', quux='zing')
self.assertEqual(1, len(calls))
self.assertEqual(('foo', 'bar'), calls[0][0])
self.assertEqual(dict(quux='zing'), calls[0][1])