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import functools
import unittest
import gevent
import gevent.core
from gevent.event import Event
from gevent.testing.testcase import TimeAssertMixin
SMALL_TICK = 0.05
# setting up signal does not affect join()
gevent.signal(1, lambda: None) # wouldn't work on windows
def repeated(func, repetitions=2):
@functools.wraps(func)
def f(self):
for _ in range(repetitions):
func(self)
return f
class Test(TimeAssertMixin, unittest.TestCase):
@repeated
def test_callback(self):
# exiting because the spawned greenlet finished execution (spawn (=callback) variant)
x = gevent.spawn(lambda: 5)
with self.runs_in_no_time():
result = gevent.wait(timeout=10)
self.assertTrue(result)
self.assertTrue(x.dead, x)
self.assertEqual(x.value, 5)
@repeated
def test_later(self):
# exiting because the spawned greenlet finished execution (spawn_later (=timer) variant)
x = gevent.spawn_later(SMALL_TICK, lambda: 5)
with self.runs_in_given_time(SMALL_TICK):
result = gevent.wait(timeout=10)
self.assertTrue(result)
self.assertTrue(x.dead, x)
@repeated
def test_timeout(self):
# exiting because of timeout (the spawned greenlet still runs)
x = gevent.spawn_later(10, lambda: 5)
with self.runs_in_given_time(SMALL_TICK):
result = gevent.wait(timeout=SMALL_TICK)
self.assertFalse(result)
self.assertFalse(x.dead, x)
x.kill()
with self.runs_in_no_time():
result = gevent.wait()
self.assertTrue(result)
@repeated
def test_event(self):
# exiting because of event (the spawned greenlet still runs)
x = gevent.spawn_later(10, lambda: 5)
event = Event()
event_set = gevent.spawn_later(SMALL_TICK, event.set)
with self.runs_in_given_time(SMALL_TICK):
result = gevent.wait([event])
self.assertEqual(result, [event])
self.assertFalse(x.dead, x)
self.assertTrue(event_set.dead)
self.assertTrue(event.is_set)
x.kill()
with self.runs_in_no_time():
result = gevent.wait()
self.assertTrue(result)
@repeated
def test_ref_arg(self):
# checking "ref=False" argument
gevent.get_hub().loop.timer(10, ref=False).start(lambda: None)
with self.runs_in_no_time():
result = gevent.wait()
self.assertTrue(result)
@repeated
def test_ref_attribute(self):
# checking "ref=False" attribute
w = gevent.get_hub().loop.timer(10)
w.start(lambda: None)
w.ref = False
with self.runs_in_no_time():
result = gevent.wait()
self.assertTrue(result)
class TestAgain(Test):
"Repeat the same tests"
if __name__ == '__main__':
unittest.main()