vmware-nsx/quantum/tests/unit/test_metadata_namespace_proxy.py
Monty Taylor c90977b4f6 Use testtools instead of unittest or unittest2.
As part of the move towards testr and parallel test running, we
start to use testtools and fixtures to make the test suite
resilient and more pedantic.

Part of blueprint grizzly-testtools

Change-Id: I90250de9fe21237db34f6a50b89b15863e270aa5
2013-02-26 19:32:30 +09:00

292 lines
11 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# Copyright 2012 New Dream Network, LLC (DreamHost)
#
# 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.
#
# @author: Mark McClain, DreamHost
import socket
import mock
import testtools
import webob
from quantum.agent.metadata import namespace_proxy as ns_proxy
class FakeConf(object):
admin_user = 'quantum'
admin_password = 'password'
admin_tenant_name = 'tenant'
auth_url = 'http://127.0.0.1'
auth_strategy = 'keystone'
auth_region = 'region'
nova_metadata_ip = '9.9.9.9'
nova_metadata_port = 8775
metadata_proxy_shared_secret = 'secret'
class TestUnixDomainHttpConnection(testtools.TestCase):
def test_connect(self):
with mock.patch.object(ns_proxy, 'cfg') as cfg:
cfg.CONF.metadata_proxy_socket = '/the/path'
with mock.patch('socket.socket') as socket_create:
conn = ns_proxy.UnixDomainHTTPConnection('169.254.169.254',
timeout=3)
conn.connect()
socket_create.assert_has_calls([
mock.call(socket.AF_UNIX, socket.SOCK_STREAM),
mock.call().settimeout(3),
mock.call().connect('/the/path')]
)
self.assertEqual(conn.timeout, 3)
class TestNetworkMetadataProxyHandler(testtools.TestCase):
def setUp(self):
super(TestNetworkMetadataProxyHandler, self).setUp()
self.log_p = mock.patch.object(ns_proxy, 'LOG')
self.log = self.log_p.start()
self.addCleanup(self.log_p.stop)
self.handler = ns_proxy.NetworkMetadataProxyHandler('router_id')
def test_call(self):
req = mock.Mock(headers={})
with mock.patch.object(self.handler, '_proxy_request') as proxy_req:
proxy_req.return_value = 'value'
retval = self.handler(req)
self.assertEqual(retval, 'value')
proxy_req.assert_called_once_with(req.remote_addr,
req.path_info,
req.query_string)
def test_no_argument_passed_to_init(self):
with testtools.ExpectedException(ValueError):
ns_proxy.NetworkMetadataProxyHandler()
def test_call_internal_server_error(self):
req = mock.Mock(headers={})
with mock.patch.object(self.handler, '_proxy_request') as proxy_req:
proxy_req.side_effect = Exception
retval = self.handler(req)
self.assertIsInstance(retval, webob.exc.HTTPInternalServerError)
self.assertEqual(len(self.log.mock_calls), 2)
self.assertTrue(proxy_req.called)
def test_proxy_request_router_200(self):
self.handler.router_id = 'router_id'
resp = mock.Mock(status=200)
with mock.patch('httplib2.Http') as mock_http:
mock_http.return_value.request.return_value = (resp, 'content')
retval = self.handler._proxy_request('192.168.1.1',
'/latest/meta-data',
'')
mock_http.assert_has_calls([
mock.call().request(
'http://169.254.169.254/latest/meta-data',
headers={
'X-Forwarded-For': '192.168.1.1',
'X-Quantum-Router-ID': 'router_id'
},
connection_type=ns_proxy.UnixDomainHTTPConnection
)]
)
self.assertEqual(retval, 'content')
def test_proxy_request_network_200(self):
self.handler.network_id = 'network_id'
resp = mock.Mock(status=200)
with mock.patch('httplib2.Http') as mock_http:
mock_http.return_value.request.return_value = (resp, 'content')
retval = self.handler._proxy_request('192.168.1.1',
'/latest/meta-data',
'')
mock_http.assert_has_calls([
mock.call().request(
'http://169.254.169.254/latest/meta-data',
headers={
'X-Forwarded-For': '192.168.1.1',
'X-Quantum-Network-ID': 'network_id'
},
connection_type=ns_proxy.UnixDomainHTTPConnection
)]
)
self.assertEqual(retval, 'content')
def test_proxy_request_network_404(self):
self.handler.network_id = 'network_id'
resp = mock.Mock(status=404)
with mock.patch('httplib2.Http') as mock_http:
mock_http.return_value.request.return_value = (resp, '')
retval = self.handler._proxy_request('192.168.1.1',
'/latest/meta-data',
'')
mock_http.assert_has_calls([
mock.call().request(
'http://169.254.169.254/latest/meta-data',
headers={
'X-Forwarded-For': '192.168.1.1',
'X-Quantum-Network-ID': 'network_id'
},
connection_type=ns_proxy.UnixDomainHTTPConnection
)]
)
self.assertIsInstance(retval, webob.exc.HTTPNotFound)
def test_proxy_request_network_500(self):
self.handler.network_id = 'network_id'
resp = mock.Mock(status=500)
with mock.patch('httplib2.Http') as mock_http:
mock_http.return_value.request.return_value = (resp, '')
retval = self.handler._proxy_request('192.168.1.1',
'/latest/meta-data',
'')
mock_http.assert_has_calls([
mock.call().request(
'http://169.254.169.254/latest/meta-data',
headers={
'X-Forwarded-For': '192.168.1.1',
'X-Quantum-Network-ID': 'network_id'
},
connection_type=ns_proxy.UnixDomainHTTPConnection
)]
)
self.assertIsInstance(retval, webob.exc.HTTPInternalServerError)
def test_proxy_request_network_418(self):
self.handler.network_id = 'network_id'
resp = mock.Mock(status=418)
with mock.patch('httplib2.Http') as mock_http:
mock_http.return_value.request.return_value = (resp, '')
with testtools.ExpectedException(Exception):
self.handler._proxy_request('192.168.1.1',
'/latest/meta-data',
'')
mock_http.assert_has_calls([
mock.call().request(
'http://169.254.169.254/latest/meta-data',
headers={
'X-Forwarded-For': '192.168.1.1',
'X-Quantum-Network-ID': 'network_id'
},
connection_type=ns_proxy.UnixDomainHTTPConnection
)]
)
def test_proxy_request_network_exception(self):
self.handler.network_id = 'network_id'
resp = mock.Mock(status=500)
with mock.patch('httplib2.Http') as mock_http:
mock_http.return_value.request.side_effect = Exception
with testtools.ExpectedException(Exception):
self.handler._proxy_request('192.168.1.1',
'/latest/meta-data',
'')
mock_http.assert_has_calls([
mock.call().request(
'http://169.254.169.254/latest/meta-data',
headers={
'X-Forwarded-For': '192.168.1.1',
'X-Quantum-Network-ID': 'network_id'
},
connection_type=ns_proxy.UnixDomainHTTPConnection
)]
)
class TestProxyDaemon(testtools.TestCase):
def test_init(self):
with mock.patch('quantum.agent.linux.daemon.Pidfile') as pf:
pd = ns_proxy.ProxyDaemon('pidfile', 9697, 'net_id', 'router_id')
self.assertEqual(pd.router_id, 'router_id')
self.assertEqual(pd.network_id, 'net_id')
def test_run(self):
with mock.patch('quantum.agent.linux.daemon.Pidfile') as pf:
with mock.patch('quantum.wsgi.Server') as Server:
pd = ns_proxy.ProxyDaemon('pidfile', 9697, 'net_id',
'router_id')
pd.run()
Server.assert_has_calls([
mock.call('quantum-network-metadata-proxy'),
mock.call().start(mock.ANY, 9697),
mock.call().wait()]
)
def test_main(self):
with mock.patch.object(ns_proxy, 'ProxyDaemon') as daemon:
with mock.patch('eventlet.monkey_patch') as eventlet:
with mock.patch.object(ns_proxy, 'config') as config:
with mock.patch.object(ns_proxy, 'cfg') as cfg:
cfg.CONF.router_id = 'router_id'
cfg.CONF.network_id = None
cfg.CONF.metadata_port = 9697
cfg.CONF.pid_file = 'pidfile'
cfg.CONF.daemonize = True
ns_proxy.main()
self.assertTrue(eventlet.called)
self.assertTrue(config.setup_logging.called)
daemon.assert_has_calls([
mock.call('pidfile', 9697, router_id='router_id',
network_id=None),
mock.call().start()]
)
def test_main_dont_fork(self):
with mock.patch.object(ns_proxy, 'ProxyDaemon') as daemon:
with mock.patch('eventlet.monkey_patch') as eventlet:
with mock.patch.object(ns_proxy, 'config') as config:
with mock.patch.object(ns_proxy, 'cfg') as cfg:
cfg.CONF.router_id = 'router_id'
cfg.CONF.network_id = None
cfg.CONF.metadata_port = 9697
cfg.CONF.pid_file = 'pidfile'
cfg.CONF.daemonize = False
ns_proxy.main()
self.assertTrue(eventlet.called)
self.assertTrue(config.setup_logging.called)
daemon.assert_has_calls([
mock.call('pidfile', 9697, router_id='router_id',
network_id=None),
mock.call().run()]
)