def test_ack_unack_ack_failed(self):
q = SQLiteAckQueue(path=self.path)
q.put("val1")
q.put("val2")
q.put("val3")
val1 = q.get()
val2 = q.get()
val3 = q.get()
# qsize should be zero when all item is getted from q
self.assertEqual(q.qsize(), 0)
self.assertEqual(q.unack_count(), 3)
# nack will let the item requeued as ready status
q.nack(val1)
self.assertEqual(q.qsize(), 1)
self.assertEqual(q.ready_count(), 1)
# ack failed is just mark item as ack failed
q.ack_failed(val3)
self.assertEqual(q.ack_failed_count(), 1)
# ack should not effect qsize
q.ack(val2)
self.assertEqual(q.acked_count(), 1)
self.assertEqual(q.qsize(), 1)
# all ack* related action will reduce unack count
self.assertEqual(q.unack_count(), 0)
# reget the nacked item
ready_val = q.get()
self.assertEqual(ready_val, val1)
q.ack(ready_val)
self.assertEqual(q.qsize(), 0)
self.assertEqual(q.acked_count(), 2)
self.assertEqual(q.ready_count(), 0)
def test_resume_unack(self):
q = SQLiteAckQueue(path=self.path)
q.put("val1")
val1 = q.get()
self.assertEqual(q.qsize(), 0)
self.assertEqual(q.unack_count(), 1)
self.assertEqual(q.ready_count(), 0)
del q
q = SQLiteAckQueue(path=self.path, auto_resume=False)
self.assertEqual(q.qsize(), 0)
self.assertEqual(q.unack_count(), 1)
self.assertEqual(q.ready_count(), 0)
q.resume_unack_tasks()
self.assertEqual(q.qsize(), 0)
self.assertEqual(q.unack_count(), 0)
self.assertEqual(q.ready_count(), 1)
self.assertEqual(val1, q.get())
del q
q = SQLiteAckQueue(path=self.path, auto_resume=True)
self.assertEqual(q.qsize(), 0)
self.assertEqual(q.unack_count(), 0)
self.assertEqual(q.ready_count(), 1)
self.assertEqual(val1, q.get())
def test_nack_raw(self):
q = SQLiteAckQueue(path=self.path)
q.put("val1")
item = q.get(raw=True)
# nack a raw return
q.nack(item)
# size should be 1 after nack
self.assertEqual(q.qsize(), 1)
def test_open_close_1000(self):
"""Write 1000 items, close, reopen checking if all items are there"""
q = SQLiteAckQueue(self.path, auto_commit=self.auto_commit)
for i in range(1000):
q.put('var%d' % i)
self.assertEqual(1000, q.qsize())
del q
q = SQLiteAckQueue(self.path)
self.assertEqual(1000, q.qsize())
for i in range(1000):
data = q.get()
self.assertEqual('var%d' % i, data)
# assert adding another one still works
q.put('foobar')
data = q.get()
self.assertEqual('foobar', data)
def test_open_close_single(self):
"""Write 1 item, close, reopen checking if same item is there"""
q = SQLiteAckQueue(self.path, auto_commit=self.auto_commit)
q.put(b'var1')
del q
q = SQLiteAckQueue(self.path)
self.assertEqual(1, q.qsize())
self.assertEqual(b'var1', q.get())
def test_ack_unknown_item(self):
q = SQLiteAckQueue(path=self.path)
q.put("val1")
val1 = q.get()
q.ack("val2")
q.nack("val3")
q.ack_failed("val4")
self.assertEqual(q.qsize(), 0)
self.assertEqual(q.unack_count(), 1)
q.ack(val1)
self.assertEqual(q.unack_count(), 0)
def test_multiple_consumers(self):
"""Test sqlqueue can be used by multiple consumers."""
queue = SQLiteAckQueue(path=self.path,
multithreading=True,
auto_commit=self.auto_commit)
def producer():
for x in range(1000):
queue.put('var%d' % x)
counter = []
# Set all to 0
for _ in range(1000):
counter.append(0)
def consumer(index):
for i in range(200):
data = queue.get(block=True)
self.assertTrue('var' in data)
counter[index * 200 + i] = data
p = Thread(target=producer)
p.start()
consumers = []
for index in range(5):
t = Thread(target=consumer, args=(index, ))
t.start()
consumers.append(t)
p.join()
for t in consumers:
t.join()
self.assertEqual(0, queue.qsize())
for x in range(1000):
self.assertNotEqual(0, counter[x],
"not 0 for counter's index %s" % x)
