def test_prescan_no_help_flag(self):
arg_parser = HelpfulArgumentParser(['run'], {})
detected_flag = arg_parser.prescan_for_flag('--help',
['all', 'certonly'])
self.assertIs(detected_flag, False)
detected_flag = arg_parser.prescan_for_flag('-h', ['all, certonly'])
self.assertIs(detected_flag, False)
def test_prescan_unvalid_topic(self):
arg_parser = HelpfulArgumentParser(['--help', 'all'], {})
detected_flag = arg_parser.prescan_for_flag('--help', ['potato'])
self.assertIs(detected_flag, True)
detected_flag = arg_parser.prescan_for_flag('-h',
arg_parser.help_topics)
self.assertIs(detected_flag, False)
def test_prescan_valid_topic(self):
arg_parser = HelpfulArgumentParser(['-h', 'all'], {})
detected_flag = arg_parser.prescan_for_flag('-h',
arg_parser.help_topics)
self.assertEqual(detected_flag, 'all')
detected_flag = arg_parser.prescan_for_flag('--help',
arg_parser.help_topics)
self.assertFalse(detected_flag)