338 lines
10 KiB
Python
338 lines
10 KiB
Python
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# coding: utf-8
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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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from datetime import timedelta
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import os
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import json
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import sys
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import pytest
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gen = pytest.importorskip('tornado.gen')
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import zmq
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from zmq.eventloop import future
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from tornado.ioloop import IOLoop
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from zmq.utils.strtypes import u
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from zmq.tests import BaseZMQTestCase
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class TestFutureSocket(BaseZMQTestCase):
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Context = future.Context
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def setUp(self):
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self.loop = IOLoop()
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self.loop.make_current()
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super(TestFutureSocket, self).setUp()
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def tearDown(self):
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super(TestFutureSocket, self).tearDown()
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if self.loop:
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self.loop.close(all_fds=True)
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IOLoop.clear_current()
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IOLoop.clear_instance()
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def test_socket_class(self):
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s = self.context.socket(zmq.PUSH)
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assert isinstance(s, future.Socket)
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s.close()
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def test_recv_multipart(self):
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@gen.coroutine
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def test():
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a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
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f = b.recv_multipart()
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assert not f.done()
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yield a.send(b'hi')
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recvd = yield f
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self.assertEqual(recvd, [b'hi'])
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self.loop.run_sync(test)
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def test_recv(self):
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@gen.coroutine
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def test():
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a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
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f1 = b.recv()
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f2 = b.recv()
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assert not f1.done()
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assert not f2.done()
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yield a.send_multipart([b'hi', b'there'])
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recvd = yield f2
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assert f1.done()
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self.assertEqual(f1.result(), b'hi')
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self.assertEqual(recvd, b'there')
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self.loop.run_sync(test)
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def test_recv_cancel(self):
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@gen.coroutine
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def test():
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a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
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f1 = b.recv()
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f2 = b.recv_multipart()
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assert f1.cancel()
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assert f1.done()
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assert not f2.done()
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yield a.send_multipart([b'hi', b'there'])
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recvd = yield f2
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assert f1.cancelled()
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assert f2.done()
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self.assertEqual(recvd, [b'hi', b'there'])
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self.loop.run_sync(test)
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@pytest.mark.skipif(not hasattr(zmq, 'RCVTIMEO'), reason="requires RCVTIMEO")
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def test_recv_timeout(self):
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@gen.coroutine
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def test():
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a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
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b.rcvtimeo = 100
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f1 = b.recv()
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b.rcvtimeo = 1000
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f2 = b.recv_multipart()
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with pytest.raises(zmq.Again):
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yield f1
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yield a.send_multipart([b'hi', b'there'])
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recvd = yield f2
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assert f2.done()
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self.assertEqual(recvd, [b'hi', b'there'])
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self.loop.run_sync(test)
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@pytest.mark.skipif(not hasattr(zmq, 'SNDTIMEO'), reason="requires SNDTIMEO")
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def test_send_timeout(self):
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@gen.coroutine
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def test():
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s = self.socket(zmq.PUSH)
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s.sndtimeo = 100
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with pytest.raises(zmq.Again):
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yield s.send(b'not going anywhere')
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self.loop.run_sync(test)
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@pytest.mark.now
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def test_send_noblock(self):
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@gen.coroutine
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def test():
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s = self.socket(zmq.PUSH)
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with pytest.raises(zmq.Again):
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yield s.send(b'not going anywhere', flags=zmq.NOBLOCK)
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self.loop.run_sync(test)
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@pytest.mark.now
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def test_send_multipart_noblock(self):
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@gen.coroutine
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def test():
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s = self.socket(zmq.PUSH)
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with pytest.raises(zmq.Again):
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yield s.send_multipart([b'not going anywhere'], flags=zmq.NOBLOCK)
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self.loop.run_sync(test)
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def test_recv_string(self):
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@gen.coroutine
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def test():
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a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
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f = b.recv_string()
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assert not f.done()
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msg = u('πøøπ')
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yield a.send_string(msg)
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recvd = yield f
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assert f.done()
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self.assertEqual(f.result(), msg)
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self.assertEqual(recvd, msg)
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self.loop.run_sync(test)
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def test_recv_json(self):
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@gen.coroutine
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def test():
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a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
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f = b.recv_json()
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assert not f.done()
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obj = dict(a=5)
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yield a.send_json(obj)
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recvd = yield f
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assert f.done()
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self.assertEqual(f.result(), obj)
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self.assertEqual(recvd, obj)
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self.loop.run_sync(test)
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def test_recv_json_cancelled(self):
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@gen.coroutine
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def test():
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a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
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f = b.recv_json()
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assert not f.done()
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f.cancel()
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# cycle eventloop to allow cancel events to fire
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yield gen.sleep(0)
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obj = dict(a=5)
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yield a.send_json(obj)
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with pytest.raises(future.CancelledError):
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recvd = yield f
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assert f.done()
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# give it a chance to incorrectly consume the event
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events = yield b.poll(timeout=5)
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assert events
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yield gen.sleep(0)
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# make sure cancelled recv didn't eat up event
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recvd = yield gen.with_timeout(timedelta(seconds=5), b.recv_json())
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assert recvd == obj
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self.loop.run_sync(test)
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def test_recv_pyobj(self):
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@gen.coroutine
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def test():
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a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
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f = b.recv_pyobj()
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assert not f.done()
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obj = dict(a=5)
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yield a.send_pyobj(obj)
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recvd = yield f
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assert f.done()
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self.assertEqual(f.result(), obj)
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self.assertEqual(recvd, obj)
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self.loop.run_sync(test)
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def test_custom_serialize(self):
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def serialize(msg):
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frames = []
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frames.extend(msg.get('identities', []))
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content = json.dumps(msg['content']).encode('utf8')
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frames.append(content)
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return frames
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def deserialize(frames):
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identities = frames[:-1]
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content = json.loads(frames[-1].decode('utf8'))
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return {
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'identities': identities,
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'content': content,
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}
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@gen.coroutine
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def test():
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a, b = self.create_bound_pair(zmq.DEALER, zmq.ROUTER)
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msg = {
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'content': {
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'a': 5,
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'b': 'bee',
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}
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}
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yield a.send_serialized(msg, serialize)
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recvd = yield b.recv_serialized(deserialize)
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assert recvd['content'] == msg['content']
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assert recvd['identities']
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# bounce back, tests identities
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yield b.send_serialized(recvd, serialize)
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r2 = yield a.recv_serialized(deserialize)
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assert r2['content'] == msg['content']
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assert not r2['identities']
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self.loop.run_sync(test)
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def test_custom_serialize_error(self):
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@gen.coroutine
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def test():
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a, b = self.create_bound_pair(zmq.DEALER, zmq.ROUTER)
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msg = {
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'content': {
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'a': 5,
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'b': 'bee',
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}
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}
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with pytest.raises(TypeError):
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yield a.send_serialized(json, json.dumps)
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yield a.send(b'not json')
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with pytest.raises(TypeError):
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recvd = yield b.recv_serialized(json.loads)
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self.loop.run_sync(test)
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def test_poll(self):
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@gen.coroutine
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def test():
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a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
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f = b.poll(timeout=0)
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assert f.done()
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self.assertEqual(f.result(), 0)
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f = b.poll(timeout=1)
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assert not f.done()
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evt = yield f
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self.assertEqual(evt, 0)
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f = b.poll(timeout=1000)
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assert not f.done()
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yield a.send_multipart([b'hi', b'there'])
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evt = yield f
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self.assertEqual(evt, zmq.POLLIN)
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recvd = yield b.recv_multipart()
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self.assertEqual(recvd, [b'hi', b'there'])
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self.loop.run_sync(test)
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@pytest.mark.skipif(
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sys.platform.startswith('win'),
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reason='Windows unsupported socket type')
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def test_poll_base_socket(self):
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@gen.coroutine
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def test():
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ctx = zmq.Context()
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url = 'inproc://test'
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a = ctx.socket(zmq.PUSH)
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b = ctx.socket(zmq.PULL)
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self.sockets.extend([a, b])
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a.bind(url)
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b.connect(url)
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poller = future.Poller()
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poller.register(b, zmq.POLLIN)
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f = poller.poll(timeout=1000)
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assert not f.done()
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a.send_multipart([b'hi', b'there'])
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evt = yield f
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self.assertEqual(evt, [(b, zmq.POLLIN)])
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recvd = b.recv_multipart()
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self.assertEqual(recvd, [b'hi', b'there'])
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a.close()
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b.close()
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ctx.term()
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self.loop.run_sync(test)
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def test_close_all_fds(self):
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s = self.socket(zmq.PUB)
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self.loop.close(all_fds=True)
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self.loop = None # avoid second close later
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assert s.closed
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@pytest.mark.skipif(
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sys.platform.startswith('win'),
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reason='Windows does not support polling on files')
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def test_poll_raw(self):
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@gen.coroutine
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def test():
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p = future.Poller()
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# make a pipe
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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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# POLLOUT
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p.register(r, zmq.POLLIN)
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p.register(w, zmq.POLLOUT)
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evts = yield p.poll(timeout=1)
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evts = dict(evts)
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assert r.fileno() not in evts
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assert w.fileno() in evts
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assert evts[w.fileno()] == zmq.POLLOUT
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# POLLIN
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p.unregister(w)
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w.write(b'x')
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w.flush()
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evts = yield p.poll(timeout=1000)
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evts = dict(evts)
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assert r.fileno() in evts
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assert evts[r.fileno()] == zmq.POLLIN
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assert r.read(1) == b'x'
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r.close()
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w.close()
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self.loop.run_sync(test)
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