def setUp(self):
super(QueueTestCase, self).setUp()
self.queue = NotificationQueue(grace=10)
self.backend = TestBackend(self.queue)
class QueueTestCase(unittest.TestCase):
def setUp(self):
super(QueueTestCase, self).setUp()
self.queue = NotificationQueue(grace=10)
self.backend = TestBackend(self.queue)
def tearDown(self):
del self.queue
del self.backend
super(QueueTestCase, self).tearDown()
def test_append(self):
message = Message([_token1, _token2], {})
self.queue.append(message)
self.assertEqual(len(self.queue._queue), 2)
self.assertTrue(all(item.expires is None for item in self.queue._queue))
self.assertEqual(self.backend.notifies, 1)
def test_claim_empty(self):
notif = self.queue.claim()
self.assertTrue(notif is None)
def test_claim(self):
message = Message([_token1, _token2], {})
self.queue.append(message)
notif = self.queue.claim()
self.assertTrue(notif is not None)
self.assertEqual(len(self.queue._queue), 2)
self.assertEqual(self.queue._next, 1)
self.assertTrue(self.queue._queue[0].expires is not None)
self.assertTrue(self.queue._queue[1].expires is None)
def test_claim_all(self):
message = Message([_token1, _token2], {})
self.queue.append(message)
self.queue.claim()
self.queue.claim()
notif = self.queue.claim()
self.assertTrue(notif is None)
self.assertEqual(len(self.queue._queue), 2)
self.assertEqual(self.queue._next, 2)
self.assertTrue(all(item.expires is not None for item in self.queue._queue))
def test_unclaim_empty(self):
message = Message([_token1, _token2], {})
ok = self.queue.unclaim(next(message.notifications()))
self.assertFalse(ok)
self.assertEqual(len(self.queue._queue), 0)
self.assertEqual(self.queue._next, 0)
def test_unclaim_last(self):
message = Message([_token1, _token2], {})
self.queue.append(message)
self.queue.claim()
notif = self.queue.claim()
ok = self.queue.unclaim(notif)
self.assertTrue(ok)
self.assertEqual(len(self.queue._queue), 2)
self.assertEqual(self.queue._next, 1)
def test_unclaim_invalid(self):
message = Message([_token1, _token2], {})
self.queue.append(message)
notif = self.queue.claim()
self.queue.claim()
ok = self.queue.unclaim(notif)
self.assertFalse(ok)
self.assertEqual(len(self.queue._queue), 2)
self.assertEqual(self.queue._next, 2)
def test_backtrack_empty(self):
self.queue.backtrack(0)
self.assertEqual(len(self.queue._queue), 0)
self.assertEqual(self.queue._next, 0)
def test_backtrack_all(self):
message = Message([_token1, _token2, _token3], {})
self.queue.append(message)
self.queue.claim()
self.queue.claim()
self.queue.backtrack(0)
self.assertEqual(len(self.queue._queue), 2)
self.assertEqual(self.queue._next, 0)
self.assertTrue(all(item.expires is None for item in self.queue._queue))
self.assertEqual(self.backend.notifies, 2)
def test_purge_none(self):
message = Message([_token1, _token2, _token3], {})
self.queue.append(message)
self.queue.claim()
self.queue.claim()
delay = self.queue.purge_expired()
self.assertEqual(len(self.queue._queue), 3)
self.assertEqual(self.queue._next, 2)
self.assertLessEqual(delay, self.queue._grace)
def test_purge(self):
start = datetime(2015, 1, 1)
message = Message([_token1, _token2, _token3], {})
self.queue.append(message)
with Now(start):
self.queue.claim()
with Now(start + timedelta(seconds=5)):
self.queue.claim()
with Now(start + timedelta(seconds=self.queue._grace + 1)):
delay = self.queue.purge_expired()
self.assertEqual(len(self.queue._queue), 2)
self.assertEqual(self.queue._next, 1)
self.assertLessEqual(delay, self.queue._grace)
def test_purge_all(self):
start = datetime(2015, 1, 1)
message = Message([_token1, _token2, _token3], {})
self.queue.append(message)
with Now(start + timedelta(seconds=5)):
self.queue.claim()
self.queue.claim()
self.queue.claim()
with Now(start + timedelta(seconds=self.queue._grace + 6)):
delay = self.queue.purge_expired()
self.assertEqual(len(self.queue._queue), 0)
self.assertEqual(self.queue._next, 0)
self.assertEqual(delay, self.queue._grace)
def test_auto_purge(self):
start = datetime(2015, 1, 1)
self.queue._auto_purge_at = start + timedelta(seconds=self.queue._grace)
with Now(start):
self.queue.append(Message([_token1], {}))
self.queue.claim()
with Now(start + timedelta(seconds=self.queue._grace + 1)):
self.queue.append(Message([_token2], {}))
self.assertEqual(len(self.queue._queue), 1)
self.assertEqual(self.queue._next, 0)
def test_is_empty_new(self):
self.assertTrue(self.queue.is_empty())
def test_not_empty(self):
message = Message([_token1, _token2, _token3], {})
self.queue.append(message)
self.assertFalse(self.queue.is_empty())