def test_join():
inqueue = mp.Queue()
outqueue = mp.Queue()
def double(val):
return val * 2
node = Node(double, inqueue, outqueue)
node.start()
with pytest.raises(queue.Empty):
outqueue.get(block=False)
inqueue.put(2)
assert outqueue.get() == 4
node.terminate()
def test_stop_triggers_a_timeout():
inqueue = mp.Queue()
outqueue = mp.Queue()
def double(val, timeout=None):
if timeout:
return 'TIMEOUT'
return val * 2
node = Node(double, inqueue, outqueue, timeout=1)
node.start()
inqueue.put(2)
assert outqueue.get() == 4
node.stop()
node.join()
assert node.is_alive() is False
assert outqueue.get() == 'TIMEOUT'