Method _test_required_subparsers

Lib/test/test_argparse.py:2744–2750

(self, parser)

                         parser.parse_args('1 2'.split()))

    def _test_required_subparsers(self, parser):
        # Should parse the sub command
        ret = parser.parse_args(['run'])
        self.assertEqual(ret.command, 'run')

        # Error when the command is missing
        self.assertArgumentParserError(parser.parse_args, ())

    def test_required_subparsers_via_attribute(self):
        parser = ErrorRaisingArgumentParser()