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|
# Copyright (c) PyZMQ Developers
# Distributed under the terms of the Modified BSD License.
import json
import os
import sys
from datetime import timedelta
import pytest
gen = pytest.importorskip('tornado.gen')
from tornado.ioloop import IOLoop
import zmq
from zmq.eventloop import future
from zmq_test_utils import BaseZMQTestCase
class TestFutureSocket(BaseZMQTestCase):
Context = future.Context
def setUp(self):
self.loop = IOLoop(make_current=False)
super().setUp()
def tearDown(self):
super().tearDown()
if self.loop:
self.loop.close(all_fds=True)
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):
async def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f = b.recv_multipart()
assert not f.done()
await a.send(b"hi")
recvd = await f
assert recvd == [b'hi']
self.loop.run_sync(test)
def test_recv(self):
async 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()
await a.send_multipart([b"hi", b"there"])
recvd = await f2
assert f1.done()
assert f1.result() == b'hi'
assert recvd == b'there'
self.loop.run_sync(test)
def test_recv_cancel(self):
async 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()
await a.send_multipart([b"hi", b"there"])
recvd = await f2
assert f1.cancelled()
assert f2.done()
assert 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):
async 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):
await f1
await a.send_multipart([b"hi", b"there"])
recvd = await f2
assert f2.done()
assert 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):
async def test():
s = self.socket(zmq.PUSH)
s.sndtimeo = 100
with pytest.raises(zmq.Again):
await s.send(b"not going anywhere")
self.loop.run_sync(test)
def test_send_noblock(self):
async def test():
s = self.socket(zmq.PUSH)
with pytest.raises(zmq.Again):
await s.send(b"not going anywhere", flags=zmq.NOBLOCK)
self.loop.run_sync(test)
def test_send_multipart_noblock(self):
async def test():
s = self.socket(zmq.PUSH)
with pytest.raises(zmq.Again):
await s.send_multipart([b"not going anywhere"], flags=zmq.NOBLOCK)
self.loop.run_sync(test)
def test_recv_string(self):
async def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f = b.recv_string()
assert not f.done()
msg = 'πøøπ'
await a.send_string(msg)
recvd = await f
assert f.done()
assert f.result() == msg
assert recvd == msg
self.loop.run_sync(test)
def test_recv_json(self):
async def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f = b.recv_json()
assert not f.done()
obj = dict(a=5)
await a.send_json(obj)
recvd = await f
assert f.done()
assert f.result() == obj
assert recvd == obj
self.loop.run_sync(test)
def test_recv_json_cancelled(self):
async 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
await gen.sleep(0)
obj = dict(a=5)
await a.send_json(obj)
with pytest.raises(future.CancelledError):
recvd = await f
assert f.done()
# give it a chance to incorrectly consume the event
events = await b.poll(timeout=5)
assert events
await gen.sleep(0)
# make sure cancelled recv didn't eat up event
recvd = await gen.with_timeout(timedelta(seconds=5), b.recv_json())
assert recvd == obj
self.loop.run_sync(test)
def test_recv_pyobj(self):
async def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f = b.recv_pyobj()
assert not f.done()
obj = dict(a=5)
await a.send_pyobj(obj)
recvd = await f
assert f.done()
assert f.result() == obj
assert 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,
}
async def test():
a, b = self.create_bound_pair(zmq.DEALER, zmq.ROUTER)
msg = {
'content': {
'a': 5,
'b': 'bee',
}
}
await a.send_serialized(msg, serialize)
recvd = await b.recv_serialized(deserialize)
assert recvd['content'] == msg['content']
assert recvd['identities']
# bounce back, tests identities
await b.send_serialized(recvd, serialize)
r2 = await a.recv_serialized(deserialize)
assert r2['content'] == msg['content']
assert not r2['identities']
self.loop.run_sync(test)
def test_custom_serialize_error(self):
async def test():
a, b = self.create_bound_pair(zmq.DEALER, zmq.ROUTER)
msg = {
'content': {
'a': 5,
'b': 'bee',
}
}
with pytest.raises(TypeError):
await a.send_serialized(json, json.dumps)
await a.send(b"not json")
with pytest.raises(TypeError):
await b.recv_serialized(json.loads)
self.loop.run_sync(test)
def test_poll(self):
async def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f = b.poll(timeout=0)
assert f.done()
assert f.result() == 0
f = b.poll(timeout=1)
assert not f.done()
evt = await f
assert evt == 0
f = b.poll(timeout=1000)
assert not f.done()
await a.send_multipart([b"hi", b"there"])
evt = await f
assert evt == zmq.POLLIN
recvd = await b.recv_multipart()
assert 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):
async 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 = await f
assert evt == [(b, zmq.POLLIN)]
recvd = b.recv_multipart()
assert 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)
async def attach():
s._get_loop()
self.loop.run_sync(attach)
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):
async 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 = await 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 = await 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)
|
