def test_after_adding_a_editor_to_a_map_a_editor_added_action_is_triggered(self):
a_user = UserFactory.create()
a_map = MapFactory.create(creator=a_user)
another_user = UserFactory.create()
a_map.editors.add(another_user)
am = ActivityManager()
added_to_editors = am.added_to_editors(a_user)
self.assertTrue(len(added_to_editors))
action = added_to_editors[0]
self.assertEqual(action.actor, a_user)
self.assertEqual(action.action_object, another_user)
self.assertEqual(action.target, a_map)
self.assertEqual(action.verb, ADDED_TO_EDITORS)
