def test_terminate_join_after_tasks(self):
worker_pool = Pool(processes=4,
worker_names='WorkerThread',
maxtasksperchild=3)
for _ in xrange(12):
result = worker_pool.apply_async(func=noop)
self.assertEqual(result.get(), 3)
worker_pool.terminate_join()
def test_get_pool_queue_sizes(self):
worker_pool = Pool(processes=4,
worker_names='WorkerThread',
maxtasksperchild=3)
for _ in xrange(12):
worker_pool.apply_async(func=delay)
pool_sizes = worker_pool.get_pool_queue_sizes()
self.assertGreater(pool_sizes['inqueue_size'], 0)
self.assertEqual(pool_sizes['outqueue_size'], 0)
worker_pool.terminate_join()
def test_output_pool_size(self):
worker_pool = Pool(processes=4,
worker_names='WorkerThread',
maxtasksperchild=3)
results = []
for _ in xrange(12):
result = worker_pool.apply_async(func=delay)
results.append(result)
pool_sizes = worker_pool.get_pool_queue_sizes()
while pool_sizes['inqueue_size']:
pool_sizes = worker_pool.get_pool_queue_sizes()
# Give the result handler task inside the pool set the results on the
# result instances stored in the results lists
time.sleep(1)
# There should be no pending tasks in the output queue
self.assertEqual(pool_sizes['outqueue_size'], 0)
worker_pool.terminate_join()