cli_test.py 文件源码

def test_preferred_challenges(self):
        short_args = ['--preferred-challenges', 'http, tls-sni-01, dns']
        namespace = self.parse(short_args)

        expected = [challenges.HTTP01.typ,
                    challenges.TLSSNI01.typ, challenges.DNS01.typ]
        self.assertEqual(namespace.pref_challs, expected)

        short_args = ['--preferred-challenges', 'jumping-over-the-moon']
        # argparse.ArgumentError makes argparse print more information
        # to stderr and call sys.exit()
        with mock.patch('sys.stderr'):
            self.assertRaises(SystemExit, self.parse, short_args)