error_handler_test.py 文件源码

def test_context_manager_with_signal(self):
        init_signals = get_signals(self.signals)
        with signal_receiver(self.signals) as signals_received:
            with self.handler:
                should_be_42 = 42
                send_signal(self.signals[0])
                should_be_42 *= 10

        # check execution stoped when the signal was sent
        self.assertEqual(42, should_be_42)
        # assert signals were caught
        self.assertEqual([self.signals[0]], signals_received)
        # assert the error handling function was just called once
        self.init_func.assert_called_once_with(*self.init_args,
                                               **self.init_kwargs)
        for signum in self.signals:
            self.assertEqual(init_signals[signum], signal.getsignal(signum))