84 lines
3.0 KiB
Python
84 lines
3.0 KiB
Python
# Copyright 2014 Red Hat, Inc.
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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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import collections
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import functools
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import json
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import oslo_messaging as messaging
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from cinder import rpc
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FakeMessage = collections.namedtuple('Message',
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['publisher_id', 'priority',
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'event_type', 'payload'])
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class FakeNotifier(object):
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def __init__(self, transport, publisher_id=None, serializer=None,
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driver=None, topic=None, retry=None):
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self.transport = transport
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self.publisher_id = publisher_id
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for priority in ['debug', 'info', 'warn', 'error', 'critical']:
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setattr(self, priority,
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functools.partial(self._notify, priority.upper()))
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self._serializer = serializer or messaging.serializer.NoOpSerializer()
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self._topic = topic
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self.retry = retry
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self.notifications = []
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def prepare(self, publisher_id=None):
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if publisher_id is None:
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publisher_id = self.publisher_id
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return self.__class__(self.transport, publisher_id, self._serializer)
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def get_notification_count(self):
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return len(self.notifications)
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def _notify(self, priority, ctxt, event_type, payload):
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payload = self._serializer.serialize_entity(ctxt, payload)
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# NOTE(sileht): simulate the kombu serializer
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# this permit to raise an exception if something have not
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# been serialized correctly
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json.dumps(payload)
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msg = dict(publisher_id=self.publisher_id,
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priority=priority,
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event_type=event_type,
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payload=payload)
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self.notifications.append(msg)
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def reset(self):
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del self.notifications[:]
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def mock_notifier(testcase):
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testcase.mock_object(messaging, 'Notifier', FakeNotifier)
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if rpc.NOTIFIER:
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serializer = getattr(rpc.NOTIFIER, '_serializer', None)
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testcase.mock_object(rpc, 'NOTIFIER',
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FakeNotifier(rpc.NOTIFIER.transport,
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rpc.NOTIFIER.publisher_id,
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serializer=serializer))
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def get_fake_notifier(service=None, host=None, publisher_id=None):
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if not publisher_id:
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publisher_id = "%s.%s" % (service, host)
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serializer = getattr(rpc.NOTIFIER, '_serializer', None)
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notifier = FakeNotifier(None, publisher_id=publisher_id,
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serializer=serializer)
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return notifier.prepare(publisher_id=publisher_id)
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