test_unix_events.py 文件源码

def test_add_signal_handler_setup_error(self, m_signal):
        m_signal.NSIG = signal.NSIG
        m_signal.set_wakeup_fd.side_effect = ValueError

        self.assertRaises(
            RuntimeError,
            self.loop.add_signal_handler,
            signal.SIGINT, lambda: True)