hub/venv/lib/python3.7/site-packages/zmq/tests/test_device.py

168 lines
6.0 KiB
Python

# Copyright (C) PyZMQ Developers
# Distributed under the terms of the Modified BSD License.
import time
import zmq
from zmq import devices
from zmq.tests import BaseZMQTestCase, SkipTest, have_gevent, GreenTest, PYPY
from zmq.utils.strtypes import (bytes,unicode,basestring)
if PYPY:
# cleanup of shared Context doesn't work on PyPy
devices.Device.context_factory = zmq.Context
class TestDevice(BaseZMQTestCase):
def test_device_types(self):
for devtype in (zmq.STREAMER, zmq.FORWARDER, zmq.QUEUE):
dev = devices.Device(devtype, zmq.PAIR, zmq.PAIR)
self.assertEqual(dev.device_type, devtype)
del dev
def test_device_attributes(self):
dev = devices.Device(zmq.QUEUE, zmq.SUB, zmq.PUB)
self.assertEqual(dev.in_type, zmq.SUB)
self.assertEqual(dev.out_type, zmq.PUB)
self.assertEqual(dev.device_type, zmq.QUEUE)
self.assertEqual(dev.daemon, True)
del dev
def test_single_socket_forwarder_connect(self):
if zmq.zmq_version() in ('4.1.1', '4.0.6'):
raise SkipTest("libzmq-%s broke single-socket devices" % zmq.zmq_version())
dev = devices.ThreadDevice(zmq.QUEUE, zmq.REP, -1)
req = self.context.socket(zmq.REQ)
port = req.bind_to_random_port('tcp://127.0.0.1')
dev.connect_in('tcp://127.0.0.1:%i'%port)
dev.start()
time.sleep(.25)
msg = b'hello'
req.send(msg)
self.assertEqual(msg, self.recv(req))
del dev
req.close()
dev = devices.ThreadDevice(zmq.QUEUE, zmq.REP, -1)
req = self.context.socket(zmq.REQ)
port = req.bind_to_random_port('tcp://127.0.0.1')
dev.connect_out('tcp://127.0.0.1:%i'%port)
dev.start()
time.sleep(.25)
msg = b'hello again'
req.send(msg)
self.assertEqual(msg, self.recv(req))
del dev
req.close()
def test_single_socket_forwarder_bind(self):
if zmq.zmq_version() in ('4.1.1', '4.0.6'):
raise SkipTest("libzmq-%s broke single-socket devices" % zmq.zmq_version())
dev = devices.ThreadDevice(zmq.QUEUE, zmq.REP, -1)
port = dev.bind_in_to_random_port('tcp://127.0.0.1')
req = self.context.socket(zmq.REQ)
req.connect('tcp://127.0.0.1:%i'%port)
dev.start()
time.sleep(.25)
msg = b'hello'
req.send(msg)
self.assertEqual(msg, self.recv(req))
del dev
req.close()
dev = devices.ThreadDevice(zmq.QUEUE, zmq.REP, -1)
port = dev.bind_in_to_random_port('tcp://127.0.0.1')
req = self.context.socket(zmq.REQ)
req.connect('tcp://127.0.0.1:%i'%port)
dev.start()
time.sleep(.25)
msg = b'hello again'
req.send(msg)
self.assertEqual(msg, self.recv(req))
del dev
req.close()
def test_device_bind_to_random_with_args(self):
dev = devices.ThreadDevice(zmq.PULL, zmq.PUSH, -1)
iface = 'tcp://127.0.0.1'
ports = []
min, max = 5000, 5050
ports.extend([
dev.bind_in_to_random_port(iface, min_port=min, max_port=max),
dev.bind_out_to_random_port(iface, min_port=min, max_port=max)
])
for port in ports:
if port < min or port > max:
self.fail('Unexpected port number: %i' % port)
def test_device_bind_to_random_binderror(self):
dev = devices.ThreadDevice(zmq.PULL, zmq.PUSH, -1)
iface = 'tcp://127.0.0.1'
try:
for i in range(11):
dev.bind_in_to_random_port(
iface, min_port=10000, max_port=10010
)
except zmq.ZMQBindError as e:
return
else:
self.fail('Should have failed')
def test_proxy(self):
if zmq.zmq_version_info() < (3,2):
raise SkipTest("Proxies only in libzmq >= 3")
dev = devices.ThreadProxy(zmq.PULL, zmq.PUSH, zmq.PUSH)
iface = 'tcp://127.0.0.1'
port = dev.bind_in_to_random_port(iface)
port2 = dev.bind_out_to_random_port(iface)
port3 = dev.bind_mon_to_random_port(iface)
dev.start()
time.sleep(0.25)
msg = b'hello'
push = self.context.socket(zmq.PUSH)
push.connect("%s:%i" % (iface, port))
pull = self.context.socket(zmq.PULL)
pull.connect("%s:%i" % (iface, port2))
mon = self.context.socket(zmq.PULL)
mon.connect("%s:%i" % (iface, port3))
push.send(msg)
self.sockets.extend([push, pull, mon])
self.assertEqual(msg, self.recv(pull))
self.assertEqual(msg, self.recv(mon))
def test_proxy_bind_to_random_with_args(self):
if zmq.zmq_version_info() < (3, 2):
raise SkipTest("Proxies only in libzmq >= 3")
dev = devices.ThreadProxy(zmq.PULL, zmq.PUSH, zmq.PUSH)
iface = 'tcp://127.0.0.1'
ports = []
min, max = 5000, 5050
ports.extend([
dev.bind_in_to_random_port(iface, min_port=min, max_port=max),
dev.bind_out_to_random_port(iface, min_port=min, max_port=max),
dev.bind_mon_to_random_port(iface, min_port=min, max_port=max)
])
for port in ports:
if port < min or port > max:
self.fail('Unexpected port number: %i' % port)
if have_gevent:
import gevent
import zmq.green
class TestDeviceGreen(GreenTest, BaseZMQTestCase):
def test_green_device(self):
rep = self.context.socket(zmq.REP)
req = self.context.socket(zmq.REQ)
self.sockets.extend([req, rep])
port = rep.bind_to_random_port('tcp://127.0.0.1')
g = gevent.spawn(zmq.green.device, zmq.QUEUE, rep, rep)
req.connect('tcp://127.0.0.1:%i' % port)
req.send(b'hi')
timeout = gevent.Timeout(3)
timeout.start()
receiver = gevent.spawn(req.recv)
self.assertEqual(receiver.get(2), b'hi')
timeout.cancel()
g.kill(block=True)