def test_run_maintenance_tasks(self, mocked):
"""scheduler.acquire_locks() is called only when scheduled is enabled"""
queue = Queue(connection=self.testconn)
worker = Worker(queues=[queue], connection=self.testconn)
worker.run_maintenance_tasks()
self.assertEqual(mocked.call_count, 0)
worker.last_cleaned_at = None
worker.scheduler = RQScheduler([queue], connection=self.testconn)
worker.run_maintenance_tasks()
self.assertEqual(mocked.call_count, 0)
worker.last_cleaned_at = datetime.now()
worker.run_maintenance_tasks()
self.assertEqual(mocked.call_count, 1)
