def test_persistence(self):
FILENAME = 'test_q.p'
q = DelayPersistentPriorityQueue(FILENAME)
obj = {'test':'persist'}
q.put(obj)
q.persist()
# Recreate the queue from disk
q = DelayPersistentPriorityQueue(FILENAME)
self.assertEqual(obj, q.get())
os.remove(FILENAME)
def test_queue(self):
q = DelayPersistentPriorityQueue()
# Medium priority tasks
obj1 = {'test':'medium_priority 1'}
q.put(obj1, priority=10)
obj2 = {'test':'medium_priority 2'}
q.put(obj2, priority=10)
# High priority tasks
obj3 = {'test':'medium_priority 3'}
q.put(obj3, priority=1)
obj4 = {'test':'medium_priority 4'}
q.put(obj4, priority=1)
# 1 second delay test
obj5 = {'test': '1s delay, should not see'}
q.put(obj5, priority=0, delay=1)
# 2 second delay and different priority
obj6 = {'test': '2s delay, comes in second'}
q.put(obj6, priority=10, delay=2)
obj7 = {'test': '2s delay, comes in first'}
q.put(obj7, priority=1, delay=2)
order = [obj3, obj4, obj1, obj2, None]
for o in order:
self.assertEqual(o, q.get())
time.sleep(1)
order = [obj5, None]
for o in order:
self.assertEqual(o, q.get())
time.sleep(1)
order = [obj7, obj6, None]
for o in order:
self.assertEqual(o, q.get())
