def test_basic_single_thread_2(self):
q = PersistentQueueWithAcknowledgement("test_queue.fs")
for i in xrange(10):
q.put(BW(Something(i)))
myset = set()
items = []
while not q.empty():
i = q.get()
myset.add(i)
items.append(i)
# ack last 5 items
for item in items[4:]:
q.ack(item)
myset.remove(item)
# Check that all elements are on the nonack queue and no elements is on the main queue
self.assertTrue(len(q._queue.elements.items()) == 0)
# Check that five elements are on the nonack set
nonack_set = set()
for item in q._nonack_queue.keys():
nonack_set.add(item)
self.assertEqual(myset, nonack_set)
