def test_tasks_scheduler(self): """ Test that the tasks scheduler works """ class Incrementer(object): num = 1 def __init__(self, v): self.v = v def inc(self): logger.debug('incrementing %d by %d', self.v, self.num) self.v += self.num class Decrementer(object): num = 1 def __init__(self, v): self.v = v def dec(self): logger.debug('decrementing %d by %d', self.v, self.num) self.v -= self.num inc_1 = Incrementer(0) dec_1 = Decrementer(2) sched = TasksScheduler() sched.add(inc_1.inc) sched.add(dec_1.dec, depends_on=inc_1.inc) sched.run() self.assertEqual(dec_1.v, 1) self.assertEqual(inc_1.v, 1)