60 lines
2.1 KiB
Python
60 lines
2.1 KiB
Python
# Copyright (c) 2014 Mirantis Inc.
|
|
# All Rights Reserved.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
import os
|
|
|
|
if os.environ.get('TEST_EVENTLET', False):
|
|
import eventlet
|
|
eventlet.monkey_patch()
|
|
|
|
from oslo_rootwrap.tests import test_functional
|
|
|
|
class RootwrapDaemonTest(test_functional.RootwrapDaemonTest):
|
|
def assert_unpatched(self):
|
|
# This test case is specifically for eventlet testing
|
|
pass
|
|
|
|
def _thread_worker(self, seconds, msg):
|
|
code, out, err = self.execute(
|
|
['sh', '-c', 'sleep %d; echo %s' % (seconds, msg)])
|
|
# Ignore trailing newline
|
|
self.assertEqual(msg, out.rstrip())
|
|
|
|
def _thread_worker_timeout(self, seconds, msg, timeout):
|
|
with eventlet.Timeout(timeout):
|
|
try:
|
|
self._thread_worker(seconds, msg)
|
|
except eventlet.Timeout:
|
|
pass
|
|
|
|
def test_eventlet_threads(self):
|
|
"""Check eventlet compatibility.
|
|
|
|
The multiprocessing module is not eventlet friendly and
|
|
must be protected against eventlet thread switching and its
|
|
timeout exceptions.
|
|
"""
|
|
th = []
|
|
# 10 was not enough for some reason.
|
|
for i in range(15):
|
|
th.append(
|
|
eventlet.spawn(self._thread_worker, i % 3, 'abc%d' % i))
|
|
for i in [5, 17, 20, 25]:
|
|
th.append(
|
|
eventlet.spawn(self._thread_worker_timeout, 2,
|
|
'timeout%d' % i, i))
|
|
for thread in th:
|
|
thread.wait()
|