def testTooManyTasksThrows(self):
l = Lock()
with thread_pool(1, max_tasks=1) as tp:
with l:
t1 = thread_pool_fixture.blocking_call(l)
t2 = thread_pool_fixture.blocking_call(l)
t3 = thread_pool_fixture.blocking_call(l)
tp.process(t1.process)
# wait until the above process has started
while(tp.task_count() != 0):
pass
# start a second process which fills our queue
tp.process(t2.process)
# test a third process (the second non-live one)
# causes an exception
self.assertRaises(thread_pool_full_exception,
tp.process, t3.process)
self.assertEqual(tp.task_count(), 1)
self.assertEqual(tp.thread_count(), 1)
def testTooManyTasksCreatesANewThread(self):
l = Lock()
with thread_pool(1) as tp:
with l:
t1 = thread_pool_fixture.blocking_call(l)
t2 = thread_pool_fixture.blocking_call(l)
t3 = thread_pool_fixture.blocking_call(l)
tp.process(t1.process)
# wait until the above process has started
while(tp.task_count() != 0):
pass
# start a second process which fills our queue
tp.process(t2.process)
# test a third process (the second non-live one)
# causes a new thread to be generated
tp.process(t3.process)
sleep(1.0)
# sleep so the monitor can now reduce the thread count
# back to the minimum number
sleep(1.0)
tp.join()
self.assertEqual(tp.stats()["MaxThreads"], 2)
self.assertEqual(tp.thread_count(), 1)
def testConstruction(self):
expected_threads = 10
expected_max_tasks = 23
with thread_pool(expected_threads, max_tasks=expected_max_tasks) as tp:
self.assertEqual(expected_threads, tp.thread_count())
self.assertEqual(expected_max_tasks, tp.max_tasks())
