def test_get_app_port_no_value(self):
     app_config = AppConfig(self.arguments)
     with self.assertRaises(Exception):
         app_config.get_app_port()
 def test_get_app_port(self):
     app_config = AppConfig(self.arguments)
     result = app_config.get_app_port()
     self.assertEqual(result, 5000)