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# 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 mock
from oslo_utils.fixture import uuidsentinel as uuids
from oslo_utils import timeutils
from nova import objects
from nova.tests.unit.objects import test_objects
NOW = timeutils.utcnow().replace(microsecond=0)
fake_vol_usage = {
'created_at': NOW,
'updated_at': None,
'deleted_at': None,
'deleted': 0,
'id': 1,
'volume_id': uuids.volume_id,
'instance_uuid': uuids.instance,
'project_id': 'fake-project-id',
'user_id': 'fake-user-id',
'availability_zone': None,
'tot_last_refreshed': None,
'tot_reads': 0,
'tot_read_bytes': 0,
'tot_writes': 0,
'tot_write_bytes': 0,
'curr_last_refreshed': NOW,
'curr_reads': 10,
'curr_read_bytes': 20,
'curr_writes': 30,
'curr_write_bytes': 40,
}
class _TestVolumeUsage(object):
@mock.patch(
'nova.db.main.api.vol_usage_update', return_value=fake_vol_usage)
def test_save(self, mock_upd):
vol_usage = objects.VolumeUsage(self.context)
vol_usage.volume_id = uuids.volume_id
vol_usage.instance_uuid = uuids.instance
vol_usage.project_id = 'fake-project-id'
vol_usage.user_id = 'fake-user-id'
vol_usage.availability_zone = None
vol_usage.curr_reads = 10
vol_usage.curr_read_bytes = 20
vol_usage.curr_writes = 30
vol_usage.curr_write_bytes = 40
vol_usage.save()
mock_upd.assert_called_once_with(
self.context, uuids.volume_id, 10, 20, 30, 40, uuids.instance,
'fake-project-id', 'fake-user-id', None, update_totals=False)
self.compare_obj(vol_usage, fake_vol_usage)
@mock.patch(
'nova.db.main.api.vol_usage_update', return_value=fake_vol_usage)
def test_save_update_totals(self, mock_upd):
vol_usage = objects.VolumeUsage(self.context)
vol_usage.volume_id = uuids.volume_id
vol_usage.instance_uuid = uuids.instance
vol_usage.project_id = 'fake-project-id'
vol_usage.user_id = 'fake-user-id'
vol_usage.availability_zone = None
vol_usage.curr_reads = 10
vol_usage.curr_read_bytes = 20
vol_usage.curr_writes = 30
vol_usage.curr_write_bytes = 40
vol_usage.save(update_totals=True)
mock_upd.assert_called_once_with(
self.context, uuids.volume_id, 10, 20, 30, 40, uuids.instance,
'fake-project-id', 'fake-user-id', None, update_totals=True)
self.compare_obj(vol_usage, fake_vol_usage)
class TestVolumeUsage(test_objects._LocalTest, _TestVolumeUsage):
pass
class TestRemoteVolumeUsage(test_objects._RemoteTest, _TestVolumeUsage):
pass
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