222 lines
8.0 KiB
Python
222 lines
8.0 KiB
Python
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# Copyright (C) PyZMQ Developers
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# Distributed under the terms of the Modified BSD License.
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import time
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from unittest import TestCase
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import zmq
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from zmq import devices
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from zmq.tests import BaseZMQTestCase, SkipTest, PYPY
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from zmq.utils.strtypes import unicode
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if PYPY or zmq.zmq_version_info() >= (4,1):
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# cleanup of shared Context doesn't work on PyPy
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# there also seems to be a bug in cleanup in libzmq-4.1 (zeromq/libzmq#1052)
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devices.Device.context_factory = zmq.Context
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class TestMonitoredQueue(BaseZMQTestCase):
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sockets = []
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def build_device(self, mon_sub=b"", in_prefix=b'in', out_prefix=b'out'):
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self.device = devices.ThreadMonitoredQueue(zmq.PAIR, zmq.PAIR, zmq.PUB,
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in_prefix, out_prefix)
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alice = self.context.socket(zmq.PAIR)
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bob = self.context.socket(zmq.PAIR)
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mon = self.context.socket(zmq.SUB)
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aport = alice.bind_to_random_port('tcp://127.0.0.1')
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bport = bob.bind_to_random_port('tcp://127.0.0.1')
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mport = mon.bind_to_random_port('tcp://127.0.0.1')
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mon.setsockopt(zmq.SUBSCRIBE, mon_sub)
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self.device.connect_in("tcp://127.0.0.1:%i"%aport)
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self.device.connect_out("tcp://127.0.0.1:%i"%bport)
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self.device.connect_mon("tcp://127.0.0.1:%i"%mport)
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self.device.start()
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time.sleep(.2)
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try:
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# this is currenlty necessary to ensure no dropped monitor messages
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# see LIBZMQ-248 for more info
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mon.recv_multipart(zmq.NOBLOCK)
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except zmq.ZMQError:
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pass
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self.sockets.extend([alice, bob, mon])
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return alice, bob, mon
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def teardown_device(self):
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for socket in self.sockets:
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socket.close()
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del socket
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del self.device
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def test_reply(self):
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alice, bob, mon = self.build_device()
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alices = b"hello bob".split()
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alice.send_multipart(alices)
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bobs = self.recv_multipart(bob)
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self.assertEqual(alices, bobs)
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bobs = b"hello alice".split()
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bob.send_multipart(bobs)
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alices = self.recv_multipart(alice)
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self.assertEqual(alices, bobs)
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self.teardown_device()
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def test_queue(self):
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alice, bob, mon = self.build_device()
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alices = b"hello bob".split()
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alice.send_multipart(alices)
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alices2 = b"hello again".split()
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alice.send_multipart(alices2)
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alices3 = b"hello again and again".split()
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alice.send_multipart(alices3)
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bobs = self.recv_multipart(bob)
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self.assertEqual(alices, bobs)
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bobs = self.recv_multipart(bob)
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self.assertEqual(alices2, bobs)
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bobs = self.recv_multipart(bob)
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self.assertEqual(alices3, bobs)
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bobs = b"hello alice".split()
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bob.send_multipart(bobs)
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alices = self.recv_multipart(alice)
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self.assertEqual(alices, bobs)
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self.teardown_device()
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def test_monitor(self):
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alice, bob, mon = self.build_device()
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alices = b"hello bob".split()
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alice.send_multipart(alices)
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alices2 = b"hello again".split()
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alice.send_multipart(alices2)
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alices3 = b"hello again and again".split()
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alice.send_multipart(alices3)
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bobs = self.recv_multipart(bob)
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self.assertEqual(alices, bobs)
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mons = self.recv_multipart(mon)
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self.assertEqual([b'in']+bobs, mons)
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bobs = self.recv_multipart(bob)
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self.assertEqual(alices2, bobs)
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bobs = self.recv_multipart(bob)
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self.assertEqual(alices3, bobs)
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mons = self.recv_multipart(mon)
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self.assertEqual([b'in']+alices2, mons)
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bobs = b"hello alice".split()
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bob.send_multipart(bobs)
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alices = self.recv_multipart(alice)
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self.assertEqual(alices, bobs)
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mons = self.recv_multipart(mon)
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self.assertEqual([b'in']+alices3, mons)
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mons = self.recv_multipart(mon)
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self.assertEqual([b'out']+bobs, mons)
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self.teardown_device()
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def test_prefix(self):
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alice, bob, mon = self.build_device(b"", b'foo', b'bar')
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alices = b"hello bob".split()
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alice.send_multipart(alices)
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alices2 = b"hello again".split()
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alice.send_multipart(alices2)
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alices3 = b"hello again and again".split()
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alice.send_multipart(alices3)
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bobs = self.recv_multipart(bob)
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self.assertEqual(alices, bobs)
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mons = self.recv_multipart(mon)
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self.assertEqual([b'foo']+bobs, mons)
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bobs = self.recv_multipart(bob)
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self.assertEqual(alices2, bobs)
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bobs = self.recv_multipart(bob)
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self.assertEqual(alices3, bobs)
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mons = self.recv_multipart(mon)
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self.assertEqual([b'foo']+alices2, mons)
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bobs = b"hello alice".split()
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bob.send_multipart(bobs)
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alices = self.recv_multipart(alice)
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self.assertEqual(alices, bobs)
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mons = self.recv_multipart(mon)
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self.assertEqual([b'foo']+alices3, mons)
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mons = self.recv_multipart(mon)
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self.assertEqual([b'bar']+bobs, mons)
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self.teardown_device()
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def test_monitor_subscribe(self):
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alice, bob, mon = self.build_device(b"out")
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alices = b"hello bob".split()
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alice.send_multipart(alices)
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alices2 = b"hello again".split()
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alice.send_multipart(alices2)
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alices3 = b"hello again and again".split()
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alice.send_multipart(alices3)
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bobs = self.recv_multipart(bob)
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self.assertEqual(alices, bobs)
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bobs = self.recv_multipart(bob)
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self.assertEqual(alices2, bobs)
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bobs = self.recv_multipart(bob)
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self.assertEqual(alices3, bobs)
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bobs = b"hello alice".split()
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bob.send_multipart(bobs)
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alices = self.recv_multipart(alice)
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self.assertEqual(alices, bobs)
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mons = self.recv_multipart(mon)
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self.assertEqual([b'out']+bobs, mons)
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self.teardown_device()
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def test_router_router(self):
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"""test router-router MQ devices"""
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dev = devices.ThreadMonitoredQueue(zmq.ROUTER, zmq.ROUTER, zmq.PUB, b'in', b'out')
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self.device = dev
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dev.setsockopt_in(zmq.LINGER, 0)
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dev.setsockopt_out(zmq.LINGER, 0)
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dev.setsockopt_mon(zmq.LINGER, 0)
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porta = dev.bind_in_to_random_port('tcp://127.0.0.1')
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portb = dev.bind_out_to_random_port('tcp://127.0.0.1')
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a = self.context.socket(zmq.DEALER)
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a.identity = b'a'
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b = self.context.socket(zmq.DEALER)
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b.identity = b'b'
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self.sockets.extend([a, b])
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a.connect('tcp://127.0.0.1:%i'%porta)
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b.connect('tcp://127.0.0.1:%i'%portb)
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dev.start()
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time.sleep(1)
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if zmq.zmq_version_info() >= (3,1,0):
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# flush erroneous poll state, due to LIBZMQ-280
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ping_msg = [ b'ping', b'pong' ]
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for s in (a,b):
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s.send_multipart(ping_msg)
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try:
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s.recv(zmq.NOBLOCK)
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except zmq.ZMQError:
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pass
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msg = [ b'hello', b'there' ]
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a.send_multipart([b'b']+msg)
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bmsg = self.recv_multipart(b)
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self.assertEqual(bmsg, [b'a']+msg)
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b.send_multipart(bmsg)
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amsg = self.recv_multipart(a)
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self.assertEqual(amsg, [b'b']+msg)
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self.teardown_device()
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def test_default_mq_args(self):
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self.device = dev = devices.ThreadMonitoredQueue(zmq.ROUTER, zmq.DEALER, zmq.PUB)
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dev.setsockopt_in(zmq.LINGER, 0)
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dev.setsockopt_out(zmq.LINGER, 0)
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dev.setsockopt_mon(zmq.LINGER, 0)
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# this will raise if default args are wrong
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dev.start()
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self.teardown_device()
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def test_mq_check_prefix(self):
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ins = self.context.socket(zmq.ROUTER)
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outs = self.context.socket(zmq.DEALER)
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mons = self.context.socket(zmq.PUB)
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self.sockets.extend([ins, outs, mons])
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ins = unicode('in')
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outs = unicode('out')
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self.assertRaises(TypeError, devices.monitoredqueue, ins, outs, mons)
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