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# Copyright 2013 Red Hat Inc.
# 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.
from oslo_utils import timeutils
from nova import block_device
from nova import objects
from nova.tests import uuidsentinel as uuids
def fake_bdm_object(context, bdm_dict):
"""Creates a BlockDeviceMapping object from the given bdm_dict
:param context: nova request context
:param bdm_dict: dict of block device mapping info
:returns: nova.objects.block_device.BlockDeviceMapping
"""
# FakeDbBlockDeviceDict mutates the bdm_dict so make a copy of it.
return objects.BlockDeviceMapping._from_db_object(
context, objects.BlockDeviceMapping(),
FakeDbBlockDeviceDict(bdm_dict.copy()))
class FakeDbBlockDeviceDict(block_device.BlockDeviceDict):
"""Defaults db fields - useful for mocking database calls."""
def __init__(self, bdm_dict=None, anon=False, **kwargs):
bdm_dict = bdm_dict or {}
db_id = bdm_dict.pop('id', 1)
instance_uuid = bdm_dict.pop('instance_uuid', uuids.fake)
super(FakeDbBlockDeviceDict, self).__init__(bdm_dict=bdm_dict,
**kwargs)
fake_db_fields = {'instance_uuid': instance_uuid,
'deleted_at': None,
'deleted': 0}
if not anon:
fake_db_fields['id'] = db_id
fake_db_fields['attachment_id'] = None
fake_db_fields['created_at'] = timeutils.utcnow()
fake_db_fields['updated_at'] = timeutils.utcnow()
self.update(fake_db_fields)
def AnonFakeDbBlockDeviceDict(bdm_dict, **kwargs):
return FakeDbBlockDeviceDict(bdm_dict=bdm_dict, anon=True, **kwargs)
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