def test_same_futures(c, s, a, b):
q = Queue('x')
future = yield c._scatter(123)
for i in range(5):
yield q._put(future)
assert s.wants_what['queue-x'] == {future.key}
for i in range(4):
future2 = yield q._get()
assert s.wants_what['queue-x'] == {future.key}
yield gen.sleep(0.05)
assert s.wants_what['queue-x'] == {future.key}
yield q._get()
start = time()
while s.wants_what['queue-x']:
yield gen.sleep(0.01)
assert time() - start < 2
def test_race(c, s, *workers):
def f(i):
with worker_client() as c:
q = Queue('x', client=c)
for _ in range(100):
future = q.get()
x = future.result()
y = c.submit(inc, x)
q.put(y)
sleep(0.01)
result = q.get().result()
return result
q = Queue('x', client=c)
L = yield c._scatter(range(5))
for future in L:
yield q._put(future)
futures = c.map(f, range(5))
results = yield c._gather(futures)
assert all(r > 80 for r in results)
qsize = yield q._qsize()
assert not qsize