239 lines
7.1 KiB
Python
239 lines
7.1 KiB
Python
# Copyright (C) PyZMQ Developers
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# Distributed under the terms of the Modified BSD License.
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import os
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import sys
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import time
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from pytest import mark
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import zmq
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from zmq.tests import PollZMQTestCase, have_gevent, GreenTest
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def wait():
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time.sleep(.25)
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class TestPoll(PollZMQTestCase):
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Poller = zmq.Poller
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def test_pair(self):
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s1, s2 = self.create_bound_pair(zmq.PAIR, zmq.PAIR)
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# Sleep to allow sockets to connect.
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wait()
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poller = self.Poller()
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poller.register(s1, zmq.POLLIN|zmq.POLLOUT)
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poller.register(s2, zmq.POLLIN|zmq.POLLOUT)
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# Poll result should contain both sockets
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socks = dict(poller.poll())
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# Now make sure that both are send ready.
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self.assertEqual(socks[s1], zmq.POLLOUT)
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self.assertEqual(socks[s2], zmq.POLLOUT)
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# Now do a send on both, wait and test for zmq.POLLOUT|zmq.POLLIN
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s1.send(b'msg1')
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s2.send(b'msg2')
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wait()
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socks = dict(poller.poll())
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self.assertEqual(socks[s1], zmq.POLLOUT|zmq.POLLIN)
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self.assertEqual(socks[s2], zmq.POLLOUT|zmq.POLLIN)
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# Make sure that both are in POLLOUT after recv.
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s1.recv()
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s2.recv()
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socks = dict(poller.poll())
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self.assertEqual(socks[s1], zmq.POLLOUT)
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self.assertEqual(socks[s2], zmq.POLLOUT)
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poller.unregister(s1)
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poller.unregister(s2)
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def test_reqrep(self):
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s1, s2 = self.create_bound_pair(zmq.REP, zmq.REQ)
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# Sleep to allow sockets to connect.
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wait()
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poller = self.Poller()
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poller.register(s1, zmq.POLLIN|zmq.POLLOUT)
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poller.register(s2, zmq.POLLIN|zmq.POLLOUT)
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# Make sure that s1 is in state 0 and s2 is in POLLOUT
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socks = dict(poller.poll())
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self.assertEqual(s1 in socks, 0)
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self.assertEqual(socks[s2], zmq.POLLOUT)
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# Make sure that s2 goes immediately into state 0 after send.
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s2.send(b'msg1')
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socks = dict(poller.poll())
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self.assertEqual(s2 in socks, 0)
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# Make sure that s1 goes into POLLIN state after a time.sleep().
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time.sleep(0.5)
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socks = dict(poller.poll())
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self.assertEqual(socks[s1], zmq.POLLIN)
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# Make sure that s1 goes into POLLOUT after recv.
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s1.recv()
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socks = dict(poller.poll())
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self.assertEqual(socks[s1], zmq.POLLOUT)
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# Make sure s1 goes into state 0 after send.
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s1.send(b'msg2')
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socks = dict(poller.poll())
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self.assertEqual(s1 in socks, 0)
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# Wait and then see that s2 is in POLLIN.
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time.sleep(0.5)
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socks = dict(poller.poll())
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self.assertEqual(socks[s2], zmq.POLLIN)
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# Make sure that s2 is in POLLOUT after recv.
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s2.recv()
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socks = dict(poller.poll())
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self.assertEqual(socks[s2], zmq.POLLOUT)
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poller.unregister(s1)
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poller.unregister(s2)
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def test_no_events(self):
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s1, s2 = self.create_bound_pair(zmq.PAIR, zmq.PAIR)
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poller = self.Poller()
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poller.register(s1, zmq.POLLIN|zmq.POLLOUT)
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poller.register(s2, 0)
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self.assertTrue(s1 in poller)
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self.assertFalse(s2 in poller)
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poller.register(s1, 0)
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self.assertFalse(s1 in poller)
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def test_pubsub(self):
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s1, s2 = self.create_bound_pair(zmq.PUB, zmq.SUB)
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s2.setsockopt(zmq.SUBSCRIBE, b'')
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# Sleep to allow sockets to connect.
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wait()
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poller = self.Poller()
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poller.register(s1, zmq.POLLIN|zmq.POLLOUT)
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poller.register(s2, zmq.POLLIN)
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# Now make sure that both are send ready.
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socks = dict(poller.poll())
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self.assertEqual(socks[s1], zmq.POLLOUT)
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self.assertEqual(s2 in socks, 0)
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# Make sure that s1 stays in POLLOUT after a send.
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s1.send(b'msg1')
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socks = dict(poller.poll())
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self.assertEqual(socks[s1], zmq.POLLOUT)
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# Make sure that s2 is POLLIN after waiting.
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wait()
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socks = dict(poller.poll())
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self.assertEqual(socks[s2], zmq.POLLIN)
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# Make sure that s2 goes into 0 after recv.
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s2.recv()
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socks = dict(poller.poll())
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self.assertEqual(s2 in socks, 0)
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poller.unregister(s1)
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poller.unregister(s2)
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@mark.skipif(sys.platform.startswith('win'), reason='Windows')
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def test_raw(self):
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r, w = os.pipe()
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r = os.fdopen(r, 'rb')
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w = os.fdopen(w, 'wb')
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p = self.Poller()
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p.register(r, zmq.POLLIN)
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socks = dict(p.poll(1))
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assert socks == {}
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w.write(b'x')
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w.flush()
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socks = dict(p.poll(1))
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assert socks == {r.fileno(): zmq.POLLIN}
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w.close()
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r.close()
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def test_timeout(self):
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"""make sure Poller.poll timeout has the right units (milliseconds)."""
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s1, s2 = self.create_bound_pair(zmq.PAIR, zmq.PAIR)
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poller = self.Poller()
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poller.register(s1, zmq.POLLIN)
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tic = time.time()
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evt = poller.poll(.005)
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toc = time.time()
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self.assertTrue(toc-tic < 0.1)
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tic = time.time()
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evt = poller.poll(5)
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toc = time.time()
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self.assertTrue(toc-tic < 0.1)
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self.assertTrue(toc-tic > .001)
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tic = time.time()
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evt = poller.poll(500)
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toc = time.time()
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self.assertTrue(toc-tic < 1)
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self.assertTrue(toc-tic > 0.1)
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class TestSelect(PollZMQTestCase):
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def test_pair(self):
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s1, s2 = self.create_bound_pair(zmq.PAIR, zmq.PAIR)
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# Sleep to allow sockets to connect.
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wait()
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rlist, wlist, xlist = zmq.select([s1, s2], [s1, s2], [s1, s2])
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self.assert_(s1 in wlist)
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self.assert_(s2 in wlist)
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self.assert_(s1 not in rlist)
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self.assert_(s2 not in rlist)
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def test_timeout(self):
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"""make sure select timeout has the right units (seconds)."""
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s1, s2 = self.create_bound_pair(zmq.PAIR, zmq.PAIR)
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tic = time.time()
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r,w,x = zmq.select([s1,s2],[],[],.005)
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toc = time.time()
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self.assertTrue(toc-tic < 1)
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self.assertTrue(toc-tic > 0.001)
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tic = time.time()
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r,w,x = zmq.select([s1,s2],[],[],.25)
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toc = time.time()
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self.assertTrue(toc-tic < 1)
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self.assertTrue(toc-tic > 0.1)
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if have_gevent:
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import gevent
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from zmq import green as gzmq
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class TestPollGreen(GreenTest, TestPoll):
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Poller = gzmq.Poller
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def test_wakeup(self):
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s1, s2 = self.create_bound_pair(zmq.PAIR, zmq.PAIR)
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poller = self.Poller()
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poller.register(s2, zmq.POLLIN)
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tic = time.time()
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r = gevent.spawn(lambda: poller.poll(10000))
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s = gevent.spawn(lambda: s1.send(b'msg1'))
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r.join()
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toc = time.time()
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self.assertTrue(toc-tic < 1)
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def test_socket_poll(self):
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s1, s2 = self.create_bound_pair(zmq.PAIR, zmq.PAIR)
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tic = time.time()
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r = gevent.spawn(lambda: s2.poll(10000))
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s = gevent.spawn(lambda: s1.send(b'msg1'))
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r.join()
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toc = time.time()
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self.assertTrue(toc-tic < 1)
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