def test_publish_published(self, mocked_commit):
mocked_episode = MagicMock()
mocked_episode.draft_status = models.Episode.DraftStatus.published.name
mocked_date = MagicMock()
mocked_episode.published_datetime = mocked_date
result = episode_operation.publish(mocked_episode)
self.assertEqual(mocked_episode, result)
self.assertEqual(models.Episode.DraftStatus.published.name,
mocked_episode.draft_status)
self.assertEqual(mocked_date, mocked_episode.published_datetime)
mocked_commit.assert_not_called()
