test_config.py 文件源码

def test_write_config_errors_if_unexpected_exception(self):
        dnsconfig = DNSConfig()
        exception = IOError(errno.EBUSY, factory.make_string())
        self.patch(config, 'atomic_write', Mock(side_effect=exception))
        self.assertRaises(IOError, dnsconfig.write_config)