Vehicle-Anti-Theft-Face-Rec.../venv/Lib/site-packages/zmq/tests/test_poll.py

238 lines
7.1 KiB
Python

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