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import time
import greentest
import gevent
from gevent import pool
DELAY = 0.1
class SpecialError(Exception):
pass
class Undead(object):
def __init__(self):
self.shot_count = 0
def __call__(self):
while True:
try:
gevent.sleep(1)
except SpecialError:
break
except:
self.shot_count += 1
class Test(greentest.TestCase):
def test_basic(self):
DELAY = 0.05
s = pool.Group()
s.spawn(gevent.sleep, DELAY)
assert len(s) == 1, s
s.spawn(gevent.sleep, DELAY * 2.)
assert len(s) == 2, s
gevent.sleep(DELAY * 3. / 2.)
assert len(s) == 1, s
gevent.sleep(DELAY)
assert not s, s
def test_waitall(self):
s = pool.Group()
s.spawn(gevent.sleep, DELAY)
s.spawn(gevent.sleep, DELAY * 2)
assert len(s) == 2, s
start = time.time()
s.join(raise_error=True)
delta = time.time() - start
assert not s, s
assert len(s) == 0, s
assert DELAY * 1.9 <= delta <= DELAY * 2.5, (delta, DELAY)
def test_kill_block(self):
s = pool.Group()
s.spawn(gevent.sleep, DELAY)
s.spawn(gevent.sleep, DELAY * 2)
assert len(s) == 2, s
start = time.time()
s.kill()
assert not s, s
assert len(s) == 0, s
delta = time.time() - start
assert delta < DELAY * 0.8, delta
def test_kill_noblock(self):
s = pool.Group()
s.spawn(gevent.sleep, DELAY)
s.spawn(gevent.sleep, DELAY * 2)
assert len(s) == 2, s
s.kill(block=False)
assert len(s) == 2, s
gevent.sleep(0)
assert not s, s
assert len(s) == 0, s
def test_kill_fires_once(self):
u1 = Undead()
u2 = Undead()
p1 = gevent.spawn(u1)
p2 = gevent.spawn(u2)
def check(count1, count2):
assert p1, p1
assert p2, p2
assert not p1.dead, p1
assert not p2.dead, p2
self.assertEqual(u1.shot_count, count1)
self.assertEqual(u2.shot_count, count2)
gevent.sleep(0.01)
s = pool.Group([p1, p2])
assert len(s) == 2, s
check(0, 0)
s.killone(p1, block=False)
check(0, 0)
gevent.sleep(0)
check(1, 0)
s.killone(p1)
check(1, 0)
s.killone(p1)
check(1, 0)
s.kill(block=False)
s.kill(block=False)
s.kill(block=False)
check(1, 0)
gevent.sleep(DELAY)
check(1, 1)
X = object()
kill_result = gevent.with_timeout(DELAY, s.kill, block=True, timeout_value=X)
assert kill_result is X, repr(kill_result)
assert len(s) == 2, s
check(1, 1)
p1.kill(SpecialError)
p2.kill(SpecialError)
def test_killall_subclass(self):
p1 = GreenletSubclass.spawn(lambda: 1 / 0)
p2 = GreenletSubclass.spawn(lambda: gevent.sleep(10))
s = pool.Group([p1, p2])
s.kill()
class GreenletSubclass(gevent.Greenlet):
pass
if __name__ == '__main__':
greentest.main()
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