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Viewing changes to nova/tests/rpc/test_common.py

  • Committer: Package Import Robot
  • Author(s): Chuck Short
  • Date: 2012-05-24 13:12:53 UTC
  • mfrom: (1.1.55)
  • Revision ID: package-import@ubuntu.com-20120524131253-ommql08fg1en06ut
Tags: 2012.2~f1-0ubuntu1
https://launchpad.net/bugs/907197
* New upstream release.
* Prepare for quantal:
  - Dropped debian/patches/upstream/0006-Use-project_id-in-ec2.cloud._format_image.patch
  - Dropped debian/patches/upstream/0005-Populate-image-properties-with-project_id-again.patch
  - Dropped debian/patches/upstream/0004-Fixed-bug-962840-added-a-test-case.patch
  - Dropped debian/patches/upstream/0003-Allow-unprivileged-RADOS-users-to-access-rbd-volumes.patch
  - Dropped debian/patches/upstream/0002-Stop-libvirt-test-from-deleting-instances-dir.patch
  - Dropped debian/patches/upstream/0001-fix-bug-where-nova-ignores-glance-host-in-imageref.patch 
  - Dropped debian/patches/0001-fix-useexisting-deprecation-warnings.patch
* debian/control: Add python-keystone as a dependency. (LP: #907197)
* debian/patches/kombu_tests_timeout.patch: Refreshed.
* debian/nova.conf, debian/nova-common.postinst: Convert to new ini
  file configuration
* debian/patches/nova-manage_flagfile_location.patch: Refreshed

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nova/tests/rpc/test_common.py
 
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
 
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# Copyright 2012 OpenStack, LLC
 
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#
 
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#    Licensed under the Apache License, Version 2.0 (the "License"); you may
 
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#    not use this file except in compliance with the License. You may obtain
 
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#    a copy of the License at
 
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#
 
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#         http://www.apache.org/licenses/LICENSE-2.0
 
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#
 
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#    Unless required by applicable law or agreed to in writing, software
 
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#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 
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#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 
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#    License for the specific language governing permissions and limitations
 
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#    under the License.
 
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"""
 
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Unit Tests for 'common' functons used through rpc code.
 
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"""
 
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import json
 
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import sys
 
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from nova import context
 
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from nova import exception
 
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from nova import flags
 
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from nova import log as logging
 
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from nova.rpc import amqp as rpc_amqp
 
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from nova.rpc import common as rpc_common
 
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from nova import test
 
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from nova.tests.rpc import common
 
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FLAGS = flags.FLAGS
 
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LOG = logging.getLogger(__name__)
 
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def raise_exception():
 
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    raise Exception("test")
 
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class FakeUserDefinedException(Exception):
 
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    def __init__(self):
 
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        Exception.__init__(self, "Test Message")
 
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class RpcCommonTestCase(test.TestCase):
 
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    def test_serialize_remote_exception(self):
 
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        expected = {
 
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            'class': 'Exception',
 
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            'module': 'exceptions',
 
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            'message': 'test',
 
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        }
 
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        try:
 
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            raise_exception()
 
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        except Exception as exc:
 
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            failure = rpc_common.serialize_remote_exception(sys.exc_info())
 
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        failure = json.loads(failure)
 
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        #assure the traceback was added
 
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        self.assertEqual(expected['class'], failure['class'])
 
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        self.assertEqual(expected['module'], failure['module'])
 
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        self.assertEqual(expected['message'], failure['message'])
 
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    def test_serialize_remote_nova_exception(self):
 
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        def raise_nova_exception():
 
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            raise exception.NovaException("test", code=500)
 
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        expected = {
 
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            'class': 'NovaException',
 
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            'module': 'nova.exception',
 
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            'kwargs': {'code': 500},
 
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            'message': 'test'
 
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        }
 
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        try:
 
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            raise_nova_exception()
 
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        except Exception as exc:
 
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            failure = rpc_common.serialize_remote_exception(sys.exc_info())
 
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        failure = json.loads(failure)
 
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        #assure the traceback was added
 
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        self.assertEqual(expected['class'], failure['class'])
 
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        self.assertEqual(expected['module'], failure['module'])
 
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        self.assertEqual(expected['kwargs'], failure['kwargs'])
 
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        self.assertEqual(expected['message'], failure['message'])
 
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    def test_deserialize_remote_exception(self):
 
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        failure = {
 
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            'class': 'NovaException',
 
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            'module': 'nova.exception',
 
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            'message': 'test message',
 
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            'tb': ['raise NovaException'],
 
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        }
 
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        serialized = json.dumps(failure)
 
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        after_exc = rpc_common.deserialize_remote_exception(FLAGS, serialized)
 
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        self.assertTrue(isinstance(after_exc, exception.NovaException))
 
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        self.assertTrue('test message' in unicode(after_exc))
 
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        #assure the traceback was added
 
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        self.assertTrue('raise NovaException' in unicode(after_exc))
 
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    def test_deserialize_remote_exception_bad_module(self):
 
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        failure = {
 
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            'class': 'popen2',
 
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            'module': 'os',
 
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            'kwargs': {'cmd': '/bin/echo failed'},
 
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            'message': 'foo',
 
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        }
 
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        serialized = json.dumps(failure)
 
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        after_exc = rpc_common.deserialize_remote_exception(FLAGS, serialized)
 
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        self.assertTrue(isinstance(after_exc, rpc_common.RemoteError))
 
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    def test_deserialize_remote_exception_user_defined_exception(self):
 
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        """Ensure a user defined exception can be deserialized."""
 
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        self.flags(allowed_rpc_exception_modules=[self.__class__.__module__])
 
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        failure = {
 
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            'class': 'FakeUserDefinedException',
 
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            'module': self.__class__.__module__,
 
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            'tb': ['raise FakeUserDefinedException'],
 
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        }
 
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        serialized = json.dumps(failure)
 
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        after_exc = rpc_common.deserialize_remote_exception(FLAGS, serialized)
 
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        self.assertTrue(isinstance(after_exc, FakeUserDefinedException))
 
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        #assure the traceback was added
 
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        self.assertTrue('raise FakeUserDefinedException' in unicode(after_exc))
 
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    def test_deserialize_remote_exception_cannot_recreate(self):
 
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        """Ensure a RemoteError is returned on initialization failure.
 
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        If an exception cannot be recreated with it's original class then a
 
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        RemoteError with the exception informations should still be returned.
 
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        """
 
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        self.flags(allowed_rpc_exception_modules=[self.__class__.__module__])
 
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        failure = {
 
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            'class': 'FakeIDontExistException',
 
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            'module': self.__class__.__module__,
 
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            'tb': ['raise FakeIDontExistException'],
 
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        }
 
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        serialized = json.dumps(failure)
 
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        after_exc = rpc_common.deserialize_remote_exception(FLAGS, serialized)
 
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        self.assertTrue(isinstance(after_exc, rpc_common.RemoteError))
 
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        #assure the traceback was added
 
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        self.assertTrue('raise FakeIDontExistException' in unicode(after_exc))