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

80 lines
2.4 KiB
Python

# -*- coding: utf8 -*-
# Copyright (C) PyZMQ Developers
# Distributed under the terms of the Modified BSD License.
from __future__ import absolute_import
try:
import asyncio
except ImportError:
asyncio = None
from unittest import TestCase
import pytest
import zmq
try:
import tornado
from tornado import gen
from zmq.eventloop import ioloop, zmqstream
except ImportError:
tornado = None
class TestZMQStream(TestCase):
def setUp(self):
if tornado is None:
pytest.skip()
if asyncio:
asyncio.set_event_loop(asyncio.new_event_loop())
self.context = zmq.Context()
self.loop = ioloop.IOLoop()
self.loop.make_current()
self.push = zmqstream.ZMQStream(self.context.socket(zmq.PUSH))
self.pull = zmqstream.ZMQStream(self.context.socket(zmq.PULL))
port = self.push.bind_to_random_port('tcp://127.0.0.1')
self.pull.connect('tcp://127.0.0.1:%i' % port)
self.stream = self.push
def tearDown(self):
self.loop.close(all_fds=True)
self.context.term()
ioloop.IOLoop.clear_current()
def run_until_timeout(self, timeout=10):
timed_out = []
@gen.coroutine
def sleep_timeout():
yield gen.sleep(timeout)
timed_out[:] = ['timed out']
self.loop.stop()
self.loop.add_callback(lambda : sleep_timeout())
self.loop.start()
assert not timed_out
def test_callable_check(self):
"""Ensure callable check works (py3k)."""
self.stream.on_send(lambda *args: None)
self.stream.on_recv(lambda *args: None)
self.assertRaises(AssertionError, self.stream.on_recv, 1)
self.assertRaises(AssertionError, self.stream.on_send, 1)
self.assertRaises(AssertionError, self.stream.on_recv, zmq)
def test_on_recv_basic(self):
sent = [b'basic']
def callback(msg):
assert msg == sent
self.loop.stop()
self.loop.add_callback(lambda : self.push.send_multipart(sent))
self.pull.on_recv(callback)
self.run_until_timeout()
def test_on_recv_wake(self):
sent = [b'wake']
def callback(msg):
assert msg == sent
self.loop.stop()
self.pull.on_recv(callback)
self.loop.call_later(1, lambda : self.push.send_multipart(sent))
self.run_until_timeout()