def test_handle_does_not_invoke_handlers_if_stop_is_set(self):
m = mock.Mock()
h = handler.handler()
h.chain(m)
h.stop_propagation()
h.handle("a")
self.assertEqual(0, m.handle.call_count)
def test_handle_resets_stop_variable(self):
m = mock.Mock()
h = handler.handler()
h.chain(m)
h.stop_propagation()
h.handle("a")
self.assertFalse(h.stop)
def test_handle_call_all_handlers(self):
m = mock.Mock()
h = handler.handler()
h.chain(m)
h.handle("a")
m.handle.assert_called_with("a")
