text: from t4 import main
  
  from .utils import QuiltTestCase
  
  
  create_parser = main.create_parser
  
  class CommandLineTestCase(QuiltTestCase):
      """
      Base TestCase class, sets up a CLI parser
      """
      @classmethod
      def setUpClass(cls):
          parser = create_parser()
          cls.parser = parser
  
  class T4CLITestCase(CommandLineTestCase):
      def test_t4_config(self):
          args = self.parser.parse_args(['config', 'https://foo.bar'])
          assert args.catalog_url == 'https://foo.bar'
  