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# Copyright (c) 2009 AG Projects
# Author: Denis Bilenko
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import greentest
import time
import re
import gevent
from gevent import socket
from gevent.hub import Waiter, get_hub
DELAY = 0.1
class TestCloseSocketWhilePolling(greentest.TestCase):
def test(self):
try:
sock = socket.socket()
get_hub().loop.timer(0, sock.close)
sock.connect(('python.org', 81))
except Exception:
gevent.sleep(0)
else:
assert False, 'expected an error here'
class TestExceptionInMainloop(greentest.TestCase):
def test_sleep(self):
# even if there was an error in the mainloop, the hub should continue to work
start = time.time()
gevent.sleep(DELAY)
delay = time.time() - start
assert delay >= DELAY * 0.9, 'sleep returned after %s seconds (was scheduled for %s)' % (delay, DELAY)
error = greentest.ExpectedException('TestExceptionInMainloop.test_sleep/fail')
def fail():
raise error
t = get_hub().loop.timer(0.001)
t.start(fail)
self.expect_one_error()
start = time.time()
gevent.sleep(DELAY)
delay = time.time() - start
self.assert_error(value=error)
assert delay >= DELAY * 0.9, 'sleep returned after %s seconds (was scheduled for %s)' % (delay, DELAY)
class TestSleep(greentest.GenericWaitTestCase):
def wait(self, timeout):
gevent.sleep(timeout)
def test_simple(self):
gevent.sleep(0)
class TestWaiterGet(greentest.GenericWaitTestCase):
def setUp(self):
super(TestWaiterGet, self).setUp()
self.waiter = Waiter()
def wait(self, timeout):
evt = get_hub().loop.timer(timeout)
evt.start(self.waiter.switch)
try:
return self.waiter.get()
finally:
evt.stop()
class TestWaiter(greentest.TestCase):
def test(self):
waiter = Waiter()
self.assertEqual(str(waiter), '<Waiter greenlet=None>')
waiter.switch(25)
self.assertEqual(str(waiter), '<Waiter greenlet=None value=25>')
self.assertEqual(waiter.get(), 25)
waiter = Waiter()
waiter.throw(ZeroDivisionError)
assert re.match('^<Waiter greenlet=None exc_info=.*ZeroDivisionError.*$', str(waiter)), str(waiter)
self.assertRaises(ZeroDivisionError, waiter.get)
waiter = Waiter()
g = gevent.spawn(waiter.get)
gevent.sleep(0)
assert str(waiter).startswith('<Waiter greenlet=<Greenlet at '), str(waiter)
g.kill()
if __name__ == '__main__':
greentest.main()
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