def test_send_calls_attached_callback(self):
self.c.return_value = self.deferred
l = Local()
l.attach_listener('foo', self.c)
l.send('foo', 'asd', self.deferred)
self.c.assert_called_once_with('asd')
self.deferred.then.assert_called_once_with(IsCallable(), IsCallable())
def test_send_expects_deferred(self):
def se(done, fail):
done('asd')
self.c.return_value = self.deferred
self.deferred.then.side_effect=se
d = mock.Mock()
l = Local()
l.attach_listener('foo', self.c)
l.send('foo', 'asd', d)
d.resolve.assert_called_once_with(IsA(str))
self.c.assert_called_once_with('asd')
self.deferred.then.assert_called_once_with(IsCallable(), IsCallable())
def test_attach_listener_overrides_handlers(self):
c_not_called = mock.MagicMock()
self.c.return_value = self.deferred
l = Local()
l.attach_listener('foo', c_not_called)
l.attach_listener('foo', self.c)
l.send('foo', 'asd', self.deferred)
self.c.assert_called_once_with('asd')
self.assertEqual(c_not_called.call_count, 0)
