old_contents: # Copyright 2013 Red Hat, Inc.
  #
  #    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 collections
  import functools
  
  from oslo import messaging
  
  from nova import rpc
  
  NOTIFICATIONS = []
  
  
  def reset():
      del NOTIFICATIONS[:]
  
  
  FakeMessage = collections.namedtuple('Message',
                                       ['publisher_id', 'priority',
                                        'event_type', 'payload'])
  
  
  class FakeNotifier(object):
  
      def __init__(self, transport, publisher_id):
          self.transport = transport
          self.publisher_id = publisher_id
          for priority in ['debug', 'info', 'warn', 'error', 'critical']:
              setattr(self, priority,
                      functools.partial(self._notify, priority.upper()))
  
      def prepare(self, publisher_id=None):
          if publisher_id is None:
              publisher_id = self.publisher_id
          return self.__class__(self.transport, publisher_id)
  
      def _notify(self, priority, ctxt, event_type, payload):
          msg = FakeMessage(self.publisher_id, priority, event_type, payload)
          NOTIFICATIONS.append(msg)
  
  
  def stub_notifier(stubs):
      stubs.Set(messaging, 'Notifier', FakeNotifier)
      if rpc.NOTIFIER:
          stubs.Set(rpc, 'NOTIFIER', FakeNotifier(rpc.NOTIFIER.transport,
                                                  rpc.NOTIFIER.publisher_id))
  
new_contents: # Copyright 2013 Red Hat, Inc.
  #
  #    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 collections
  import functools
  
  from oslo import messaging
  
  from nova import rpc
  
  NOTIFICATIONS = []
  
  
  def reset():
      del NOTIFICATIONS[:]
  
  
  FakeMessage = collections.namedtuple('Message',
                                       ['publisher_id', 'priority',
                                        'event_type', 'payload'])
  
  
  class FakeNotifier(object):
  
      def __init__(self, transport, publisher_id, serializer=None):
          self.transport = transport
          self.publisher_id = publisher_id
          self._serializer = serializer or messaging.serializer.NoOpSerializer()
  
          for priority in ['debug', 'info', 'warn', 'error', 'critical']:
              setattr(self, priority,
                      functools.partial(self._notify, priority.upper()))
  
      def prepare(self, publisher_id=None):
          if publisher_id is None:
              publisher_id = self.publisher_id
          return self.__class__(self.transport, publisher_id,
                                serializer=self._serializer)
  
      def _notify(self, priority, ctxt, event_type, payload):
          payload = self._serializer.serialize_entity(ctxt, payload)
          msg = FakeMessage(self.publisher_id, priority, event_type, payload)
          NOTIFICATIONS.append(msg)
  
  
  def stub_notifier(stubs):
      stubs.Set(messaging, 'Notifier', FakeNotifier)
      if rpc.NOTIFIER:
          stubs.Set(rpc, 'NOTIFIER',
                    FakeNotifier(rpc.NOTIFIER.transport,
                                 rpc.NOTIFIER.publisher_id,
                                 serializer=getattr(rpc.NOTIFIER, '_serializer',
                                                    None)))
  
subject: Add serializer capability to fake_notifier.