nova/nova/tests/virt/disk/test_api.py

61 lines
2.2 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 OpenStack Foundation
# 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.
import tempfile
import fixtures
from nova import test
from nova.virt.disk import api
class APITestCase(test.NoDBTestCase):
def test_can_resize_need_fs_type_specified(self):
# NOTE(mikal): Bug 1094373 saw a regression where we failed to
# treat a failure to mount as a failure to be able to resize the
# filesystem
def _fake_get_disk_size(path):
return 10
self.useFixture(fixtures.MonkeyPatch(
'nova.virt.disk.api.get_disk_size', _fake_get_disk_size))
def fake_trycmd(*args, **kwargs):
return '', 'broken'
self.useFixture(fixtures.MonkeyPatch('nova.utils.trycmd', fake_trycmd))
def fake_returns_true(*args, **kwargs):
return True
self.useFixture(fixtures.MonkeyPatch(
'nova.virt.disk.mount.nbd.NbdMount.get_dev',
fake_returns_true))
self.useFixture(fixtures.MonkeyPatch(
'nova.virt.disk.mount.nbd.NbdMount.map_dev',
fake_returns_true))
# Force the use of localfs, which is what was used during the failure
# reported in the bug
def fake_import_fails(*args, **kwargs):
raise Exception('Failed')
self.useFixture(fixtures.MonkeyPatch(
'nova.openstack.common.importutils.import_module',
fake_import_fails))
imgfile = tempfile.NamedTemporaryFile()
self.addCleanup(imgfile.close)
self.assertFalse(api.is_image_partitionless(imgfile, use_cow=True))