def test_execute_action(self):
action = Action()
orig_reverse = Action.reverse
orig_swap = Action.swap
Action.reverse = Mock()
Action.swap = Mock()
params = dict(task_id='task_1', cmd='reverse', string='test123')
action.execute_action(params)
action.reverse.assert_called_once_with(params.get('string'))
params = dict(task_id='task_2', cmd='swap', string='test123')
action.execute_action(params)
action.swap.assert_called_once_with(params.get('string'))
Action.reverse = orig_reverse
Action.swap = orig_swap
