test_getopt.py 文件源码

def test_gnu_getopt(self):
        # Test handling of GNU style scanning mode.
        cmdline = ['-a', 'arg1', '-b', '1', '--alpha', '--beta=2']

        # GNU style
        opts, args = getopt.gnu_getopt(cmdline, 'ab:', ['alpha', 'beta='])
        self.assertEqual(args, ['arg1'])
        self.assertEqual(opts, [('-a', ''), ('-b', '1'),
                                ('--alpha', ''), ('--beta', '2')])

        # recognize "-" as an argument
        opts, args = getopt.gnu_getopt(['-a', '-', '-b', '-'], 'ab:', [])
        self.assertEqual(args, ['-'])
        self.assertEqual(opts, [('-a', ''), ('-b', '-')])

        # Posix style via +
        opts, args = getopt.gnu_getopt(cmdline, '+ab:', ['alpha', 'beta='])
        self.assertEqual(opts, [('-a', '')])
        self.assertEqual(args, ['arg1', '-b', '1', '--alpha', '--beta=2'])

        # Posix style via POSIXLY_CORRECT
        self.env["POSIXLY_CORRECT"] = "1"
        opts, args = getopt.gnu_getopt(cmdline, 'ab:', ['alpha', 'beta='])
        self.assertEqual(opts, [('-a', '')])
        self.assertEqual(args, ['arg1', '-b', '1', '--alpha', '--beta=2'])