def test_destinations_can_change_when_queue_processor_is_running(self):
processor = QueueProcessor(Queue())
try:
destinations = [StubDestination()]
processor.set_destinations(destinations)
processor_thread = Thread(target=processor.process)
processor_thread.start()
processor.wait_until_processing(10)
self.assertTrue(processor.is_processing())
new_destinations = [StubDestination()]
processor.set_destinations(new_destinations)
self.assertEqual(new_destinations, processor.get_destinations())
self.assertTrue(processor.is_processing())
finally:
processor.shutdown()
def test_destinations_can_change_when_queue_processor_is_running(self):
processor = QueueProcessor(Queue())
try:
destinations = [StubDestination()]
processor.set_destinations(destinations)
processor_thread = Thread(target=processor.process)
processor_thread.start()
processor.wait_until_processing(10)
self.assertTrue(processor.is_processing())
new_destinations = [StubDestination()]
processor.set_destinations(new_destinations)
self.assertEqual(new_destinations, processor.get_destinations())
self.assertTrue(processor.is_processing())
finally:
processor.shutdown()
def test_continues_processing_after_reload(self):
metrics = (Counter('user.login',
1), Set('username',
'navdoon'), Counter('user.login', 3))
queue_ = Queue()
destination = StubDestination()
destination.expected_count = 1
processor = QueueProcessor(queue_)
processor.flush_interval = 1
processor.set_destinations([destination])
process_thread = Thread(target=processor.process)
process_thread.start()
processor.wait_until_processing(5)
expected_flushed_metrics2 = 2
destination2 = StubDestination()
destination2.expected_count = expected_flushed_metrics2
processor.set_destinations([destination2])
for metric in metrics:
queue_.put(metric.to_request())
destination.wait_until_expected_count_items(5)
processor.shutdown()
process_thread.join(5)
self.assertFalse(processor.is_processing())
self.assertGreaterEqual(len(destination.metrics), 1)
self.assertLessEqual(queue_.qsize(), 2)
for metric in metrics:
queue_.put(metric.to_request())
self.assertGreaterEqual(queue_.qsize(), len(metrics))
resume_process_thread = Thread(target=processor.process)
resume_process_thread.start()
processor.wait_until_processing(5)
self.assertTrue(processor.is_processing())
self.assertEqual(processor.get_destinations(), [destination2])
destination2.wait_until_expected_count_items(5)
processor.shutdown()
resume_process_thread.join(5)
self.assertGreaterEqual(len(destination2.metrics),
expected_flushed_metrics2)
def test_continues_processing_after_reload(self):
metrics = (Counter('user.login', 1), Set('username', 'navdoon'),
Counter('user.login', 3))
queue_ = Queue()
destination = StubDestination()
destination.expected_count = 1
processor = QueueProcessor(queue_)
processor.flush_interval = 1
processor.set_destinations([destination])
process_thread = Thread(target=processor.process)
process_thread.start()
processor.wait_until_processing(5)
expected_flushed_metrics2 = 2
destination2 = StubDestination()
destination2.expected_count = expected_flushed_metrics2
processor.set_destinations([destination2])
for metric in metrics:
queue_.put(metric.to_request())
destination.wait_until_expected_count_items(5)
processor.shutdown()
process_thread.join(5)
self.assertFalse(processor.is_processing())
self.assertGreaterEqual(len(destination.metrics), 1)
self.assertLessEqual(queue_.qsize(), 2)
for metric in metrics:
queue_.put(metric.to_request())
self.assertGreaterEqual(queue_.qsize(), len(metrics))
resume_process_thread = Thread(target=processor.process)
resume_process_thread.start()
processor.wait_until_processing(5)
self.assertTrue(processor.is_processing())
self.assertEqual(processor.get_destinations(), [destination2])
destination2.wait_until_expected_count_items(5)
processor.shutdown()
resume_process_thread.join(5)
self.assertGreaterEqual(len(destination2.metrics), expected_flushed_metrics2)
