def test_kwargs_required(self):
kwargs = Arg('name', required=True).kwargs
self.assertNotIn('required', kwargs)
def test_kwargs_bool_false(self):
kwargs = Arg('name', default=False, type=bool).kwargs
self.assertNotIn('type', kwargs)
self.assertEqual(kwargs['action'], 'store_true')
def test_add_argument_existsing(self):
command = Command(run=lambda new_argument: new_argument)
self.assertEqual(len(command.args), 1)
arg = Arg('new_argument', help='argument help')
self.assertRaises(Exception, command.add_argument, arg)