Mini Shell
# coding: utf-8
# Copyright (c) PyZMQ Developers
# Distributed under the terms of the Modified BSD License.
from datetime import timedelta
import os
import json
import sys
import pytest
gen = pytest.importorskip('tornado.gen')
import zmq
from zmq.eventloop import future
from tornado.ioloop import IOLoop
from zmq.utils.strtypes import u
from zmq.tests import BaseZMQTestCase
class TestFutureSocket(BaseZMQTestCase):
Context = future.Context
def setUp(self):
self.loop = IOLoop()
self.loop.make_current()
super(TestFutureSocket, self).setUp()
def tearDown(self):
super(TestFutureSocket, self).tearDown()
if self.loop:
self.loop.close(all_fds=True)
IOLoop.clear_current()
IOLoop.clear_instance()
def test_socket_class(self):
s = self.context.socket(zmq.PUSH)
assert isinstance(s, future.Socket)
s.close()
def test_instance_subclass_first(self):
actx = self.Context.instance()
ctx = zmq.Context.instance()
ctx.term()
actx.term()
assert type(ctx) is zmq.Context
assert type(actx) is self.Context
def test_instance_subclass_second(self):
ctx = zmq.Context.instance()
actx = self.Context.instance()
ctx.term()
actx.term()
assert type(ctx) is zmq.Context
assert type(actx) is self.Context
def test_recv_multipart(self):
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f = b.recv_multipart()
assert not f.done()
yield a.send(b'hi')
recvd = yield f
self.assertEqual(recvd, [b'hi'])
self.loop.run_sync(test)
def test_recv(self):
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f1 = b.recv()
f2 = b.recv()
assert not f1.done()
assert not f2.done()
yield a.send_multipart([b'hi', b'there'])
recvd = yield f2
assert f1.done()
self.assertEqual(f1.result(), b'hi')
self.assertEqual(recvd, b'there')
self.loop.run_sync(test)
def test_recv_cancel(self):
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f1 = b.recv()
f2 = b.recv_multipart()
assert f1.cancel()
assert f1.done()
assert not f2.done()
yield a.send_multipart([b'hi', b'there'])
recvd = yield f2
assert f1.cancelled()
assert f2.done()
self.assertEqual(recvd, [b'hi', b'there'])
self.loop.run_sync(test)
@pytest.mark.skipif(not hasattr(zmq, 'RCVTIMEO'), reason="requires RCVTIMEO")
def test_recv_timeout(self):
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
b.rcvtimeo = 100
f1 = b.recv()
b.rcvtimeo = 1000
f2 = b.recv_multipart()
with pytest.raises(zmq.Again):
yield f1
yield a.send_multipart([b'hi', b'there'])
recvd = yield f2
assert f2.done()
self.assertEqual(recvd, [b'hi', b'there'])
self.loop.run_sync(test)
@pytest.mark.skipif(not hasattr(zmq, 'SNDTIMEO'), reason="requires SNDTIMEO")
def test_send_timeout(self):
@gen.coroutine
def test():
s = self.socket(zmq.PUSH)
s.sndtimeo = 100
with pytest.raises(zmq.Again):
yield s.send(b'not going anywhere')
self.loop.run_sync(test)
@pytest.mark.now
def test_send_noblock(self):
@gen.coroutine
def test():
s = self.socket(zmq.PUSH)
with pytest.raises(zmq.Again):
yield s.send(b'not going anywhere', flags=zmq.NOBLOCK)
self.loop.run_sync(test)
@pytest.mark.now
def test_send_multipart_noblock(self):
@gen.coroutine
def test():
s = self.socket(zmq.PUSH)
with pytest.raises(zmq.Again):
yield s.send_multipart([b'not going anywhere'], flags=zmq.NOBLOCK)
self.loop.run_sync(test)
def test_recv_string(self):
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f = b.recv_string()
assert not f.done()
msg = u('πøøπ')
yield a.send_string(msg)
recvd = yield f
assert f.done()
self.assertEqual(f.result(), msg)
self.assertEqual(recvd, msg)
self.loop.run_sync(test)
def test_recv_json(self):
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f = b.recv_json()
assert not f.done()
obj = dict(a=5)
yield a.send_json(obj)
recvd = yield f
assert f.done()
self.assertEqual(f.result(), obj)
self.assertEqual(recvd, obj)
self.loop.run_sync(test)
def test_recv_json_cancelled(self):
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f = b.recv_json()
assert not f.done()
f.cancel()
# cycle eventloop to allow cancel events to fire
yield gen.sleep(0)
obj = dict(a=5)
yield a.send_json(obj)
with pytest.raises(future.CancelledError):
recvd = yield f
assert f.done()
# give it a chance to incorrectly consume the event
events = yield b.poll(timeout=5)
assert events
yield gen.sleep(0)
# make sure cancelled recv didn't eat up event
recvd = yield gen.with_timeout(timedelta(seconds=5), b.recv_json())
assert recvd == obj
self.loop.run_sync(test)
def test_recv_pyobj(self):
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f = b.recv_pyobj()
assert not f.done()
obj = dict(a=5)
yield a.send_pyobj(obj)
recvd = yield f
assert f.done()
self.assertEqual(f.result(), obj)
self.assertEqual(recvd, obj)
self.loop.run_sync(test)
def test_custom_serialize(self):
def serialize(msg):
frames = []
frames.extend(msg.get('identities', []))
content = json.dumps(msg['content']).encode('utf8')
frames.append(content)
return frames
def deserialize(frames):
identities = frames[:-1]
content = json.loads(frames[-1].decode('utf8'))
return {
'identities': identities,
'content': content,
}
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.DEALER, zmq.ROUTER)
msg = {
'content': {
'a': 5,
'b': 'bee',
}
}
yield a.send_serialized(msg, serialize)
recvd = yield b.recv_serialized(deserialize)
assert recvd['content'] == msg['content']
assert recvd['identities']
# bounce back, tests identities
yield b.send_serialized(recvd, serialize)
r2 = yield a.recv_serialized(deserialize)
assert r2['content'] == msg['content']
assert not r2['identities']
self.loop.run_sync(test)
def test_custom_serialize_error(self):
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.DEALER, zmq.ROUTER)
msg = {
'content': {
'a': 5,
'b': 'bee',
}
}
with pytest.raises(TypeError):
yield a.send_serialized(json, json.dumps)
yield a.send(b'not json')
with pytest.raises(TypeError):
recvd = yield b.recv_serialized(json.loads)
self.loop.run_sync(test)
def test_poll(self):
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f = b.poll(timeout=0)
assert f.done()
self.assertEqual(f.result(), 0)
f = b.poll(timeout=1)
assert not f.done()
evt = yield f
self.assertEqual(evt, 0)
f = b.poll(timeout=1000)
assert not f.done()
yield a.send_multipart([b'hi', b'there'])
evt = yield f
self.assertEqual(evt, zmq.POLLIN)
recvd = yield b.recv_multipart()
self.assertEqual(recvd, [b'hi', b'there'])
self.loop.run_sync(test)
@pytest.mark.skipif(
sys.platform.startswith('win'),
reason='Windows unsupported socket type')
def test_poll_base_socket(self):
@gen.coroutine
def test():
ctx = zmq.Context()
url = 'inproc://test'
a = ctx.socket(zmq.PUSH)
b = ctx.socket(zmq.PULL)
self.sockets.extend([a, b])
a.bind(url)
b.connect(url)
poller = future.Poller()
poller.register(b, zmq.POLLIN)
f = poller.poll(timeout=1000)
assert not f.done()
a.send_multipart([b'hi', b'there'])
evt = yield f
self.assertEqual(evt, [(b, zmq.POLLIN)])
recvd = b.recv_multipart()
self.assertEqual(recvd, [b'hi', b'there'])
a.close()
b.close()
ctx.term()
self.loop.run_sync(test)
def test_close_all_fds(self):
s = self.socket(zmq.PUB)
self.loop.close(all_fds=True)
self.loop = None # avoid second close later
assert s.closed
@pytest.mark.skipif(
sys.platform.startswith('win'),
reason='Windows does not support polling on files')
def test_poll_raw(self):
@gen.coroutine
def test():
p = future.Poller()
# make a pipe
r, w = os.pipe()
r = os.fdopen(r, 'rb')
w = os.fdopen(w, 'wb')
# POLLOUT
p.register(r, zmq.POLLIN)
p.register(w, zmq.POLLOUT)
evts = yield p.poll(timeout=1)
evts = dict(evts)
assert r.fileno() not in evts
assert w.fileno() in evts
assert evts[w.fileno()] == zmq.POLLOUT
# POLLIN
p.unregister(w)
w.write(b'x')
w.flush()
evts = yield p.poll(timeout=1000)
evts = dict(evts)
assert r.fileno() in evts
assert evts[r.fileno()] == zmq.POLLIN
assert r.read(1) == b'x'
r.close()
w.close()
self.loop.run_sync(test)
Zerion Mini Shell 1.0