def wait(self, timeout):
with gevent.Timeout(timeout, False):
for index in xrange(1000000):
try:
gevent_socket.gethostbyname('www.x%s.com' % index)
except socket.error:
pass
raise AssertionError('Timeout was not raised')
def test_greenlet_link(self):
lst = []
# test that links are executed in the same order as they were added
g = gevent.spawn(lst.append, 0)
for i in xrange(1, self.count):
g.link(appender(lst, i))
g.join()
self.assertEqual(lst, list(range(self.count)))
def test(self):
events = [Event() for _ in xrange(self.N)]
asyncs = [AsyncResult() for _ in xrange(self.N)]
max_len = len(events) + len(asyncs)
sender = gevent.spawn(self._sender, events, asyncs)
results = gevent.wait(events + asyncs,
count=self.count,
timeout=self.timeout)
if self.timeout is None:
expected_len = max_len
else:
expected_len = min(max_len, self.timeout / self.period)
if self.count is None:
self.assertTrue(sender.ready(), sender)
else:
expected_len = min(self.count, expected_len)
self.assertFalse(sender.ready(), sender)
sender.kill()
self.assertEqual(expected_len, len(results),
(expected_len, len(results), results))
def test_enumerate_after_join(self):
# Try hard to trigger #1703448: a thread is still returned in
# threading.enumerate() after it has been join()ed.
enum = threading.enumerate
old_interval = sys.getcheckinterval()
try:
for i in xrange(1, 100):
# Try a couple times at each thread-switching interval
# to get more interleavings.
sys.setcheckinterval(i // 5)
t = threading.Thread(target=lambda: None)
t.start()
t.join()
l = enum()
self.assertFalse(
t in l, "#1703448 triggered after %d trials: %s" % (i, l))
finally:
sys.setcheckinterval(old_interval)
def test_enumerate_after_join(self):
# Try hard to trigger #1703448: a thread is still returned in
# threading.enumerate() after it has been join()ed.
enum = threading.enumerate
import warnings
with warnings.catch_warnings():
warnings.simplefilter('ignore', DeprecationWarning)
# get/set checkinterval are deprecated in Python 3
old_interval = sys.getcheckinterval()
try:
for i in xrange(1, 100):
# Try a couple times at each thread-switching interval
# to get more interleavings.
sys.setcheckinterval(i // 5)
t = threading.Thread(target=lambda: None)
t.start()
t.join()
l = enum()
self.assertFalse(t in l,
"#1703448 triggered after %d trials: %s" % (i, l))
finally:
sys.setcheckinterval(old_interval)
# The noted timer jitter issues on appveyor/pypy3
fuzzy = expected * 5.0
else:
fuzzy = expected / 2.0
start = time()
yield
elapsed = time() - start
assert expected - fuzzy <= elapsed <= expected + fuzzy, 'Expected: %r; elapsed: %r; fuzzy %r' % (
expected, elapsed, fuzzy)
def no_time(fuzzy=(0.001 if not EXPECT_POOR_TIMER_RESOLUTION else 1.0)):
return expected_time(0, fuzzy=fuzzy)
for _a in xrange(2):
# exiting because the spawned greenlet finished execution (spawn (=callback) variant)
for _ in xrange(2):
x = gevent.spawn(lambda: 5)
with no_time(SMALL):
result = gevent.wait(timeout=10)
assert result is True, repr(result)
assert x.dead, x
assert x.value == 5, x
# exiting because the spawned greenlet finished execution (spawn_later (=timer) variant)
for _ in xrange(2):
x = gevent.spawn_later(SMALL, lambda: 5)
with expected_time(SMALL):
result = gevent.wait(timeout=10)