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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# 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.
"""
Unit Tests for eventlet backdoor
"""
import errno
import eventlet
import mox
import socket
from openstack.common import eventlet_backdoor
from tests import utils
class BackdoorPortTest(utils.BaseTestCase):
def common_backdoor_port_setup(self):
self.sock = self.mox.CreateMockAnything()
self.mox.StubOutWithMock(eventlet, 'listen')
self.mox.StubOutWithMock(eventlet, 'spawn_n')
def test_backdoor_port_inuse(self):
self.config(backdoor_port=2345)
self.common_backdoor_port_setup()
eventlet.listen(('localhost', 2345)).AndRaise(
socket.error(errno.EADDRINUSE, ''))
self.mox.ReplayAll()
self.assertRaises(socket.error,
eventlet_backdoor.initialize_if_enabled)
def test_backdoor_port_range(self):
self.config(backdoor_port='8800:8899')
self.common_backdoor_port_setup()
eventlet.listen(('localhost', 8800)).AndReturn(self.sock)
self.sock.getsockname().AndReturn(('127.0.0.1', 8800))
eventlet.spawn_n(eventlet.backdoor.backdoor_server, self.sock,
locals=mox.IsA(dict))
self.mox.ReplayAll()
port = eventlet_backdoor.initialize_if_enabled()
self.assertEqual(port, 8800)
def test_backdoor_port_range_all_inuse(self):
self.config(backdoor_port='8800:8899')
self.common_backdoor_port_setup()
for i in range(8800, 8900):
eventlet.listen(('localhost', i)).AndRaise(
socket.error(errno.EADDRINUSE, ''))
self.mox.ReplayAll()
self.assertRaises(socket.error,
eventlet_backdoor.initialize_if_enabled)
def test_backdoor_port_bad(self):
self.config(backdoor_port='abc')
self.assertRaises(eventlet_backdoor.EventletBackdoorConfigValueError,
eventlet_backdoor.initialize_if_enabled)
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