test_main.py 文件源码

def test_main_help_module_subcommand_and_invalid(self):
        """
        Test help output for an arg that does not match any condition as well as the 'list' subcommand
        and the 'arpcache' module.
        """
        sys.argv = ["ec2rl", "help", "doesnotmatchanything", "arpcache", "list", ]
        with contextlib.redirect_stdout(self.output):
            self.assertTrue(self.ec2rl.help())

        # Check that the length of the help message matches the expected value
        self.assertEqual(len(self.output.getvalue()), 595)
        self.assertTrue(self.output.getvalue().startswith("arpcache:\nDetermines if aggressive arp caching is enabled"))
        self.assertTrue(self.output.getvalue().endswith("                       specified comma delimited list\n\n\n"))