shade/shade/tests/unit/test_create_volume_snapshot.py

121 lines
4.7 KiB
Python

# -*- coding: utf-8 -*-
# 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.
"""
test_create_volume_snapshot
----------------------------------
Tests for the `create_volume_snapshot` command.
"""
from mock import patch
import os_client_config
from shade import meta
from shade import OpenStackCloud
from shade.tests import base, fakes
from shade.exc import (OpenStackCloudException, OpenStackCloudTimeout)
class TestCreateVolumeSnapshot(base.TestCase):
def setUp(self):
super(TestCreateVolumeSnapshot, self).setUp()
config = os_client_config.OpenStackConfig()
self.client = OpenStackCloud(
cloud_config=config.get_one_cloud(validate=False))
@patch.object(OpenStackCloud, 'cinder_client')
def test_create_volume_snapshot_wait(self, mock_cinder):
"""
Test that create_volume_snapshot with a wait returns the volume
snapshot when its status changes to "available".
"""
build_snapshot = fakes.FakeVolumeSnapshot('1234', 'creating',
'foo', 'derpysnapshot')
fake_snapshot = fakes.FakeVolumeSnapshot('1234', 'available',
'foo', 'derpysnapshot')
mock_cinder.volume_snapshots.create.return_value = build_snapshot
mock_cinder.volume_snapshots.get.return_value = fake_snapshot
mock_cinder.volume_snapshots.list.return_value = [
build_snapshot, fake_snapshot]
self.assertEqual(
meta.obj_to_dict(fake_snapshot),
self.client.create_volume_snapshot(volume_id='1234',
wait=True)
)
mock_cinder.volume_snapshots.create.assert_called_with(
display_description=None, display_name=None, force=False,
volume_id='1234'
)
mock_cinder.volume_snapshots.get.assert_called_with(
snapshot_id=meta.obj_to_dict(build_snapshot)['id']
)
@patch.object(OpenStackCloud, 'cinder_client')
def test_create_volume_snapshot_with_timeout(self, mock_cinder):
"""
Test that a timeout while waiting for the volume snapshot to create
raises an exception in create_volume_snapshot.
"""
build_snapshot = fakes.FakeVolumeSnapshot('1234', 'creating',
'foo', 'derpysnapshot')
mock_cinder.volume_snapshots.create.return_value = build_snapshot
mock_cinder.volume_snapshots.get.return_value = build_snapshot
mock_cinder.volume_snapshots.list.return_value = [build_snapshot]
self.assertRaises(
OpenStackCloudTimeout,
self.client.create_volume_snapshot, volume_id='1234',
wait=True, timeout=1)
mock_cinder.volume_snapshots.create.assert_called_with(
display_description=None, display_name=None, force=False,
volume_id='1234'
)
mock_cinder.volume_snapshots.get.assert_called_with(
snapshot_id=meta.obj_to_dict(build_snapshot)['id']
)
@patch.object(OpenStackCloud, 'cinder_client')
def test_create_volume_snapshot_with_error(self, mock_cinder):
"""
Test that a error status while waiting for the volume snapshot to
create raises an exception in create_volume_snapshot.
"""
build_snapshot = fakes.FakeVolumeSnapshot('1234', 'creating',
'bar', 'derpysnapshot')
error_snapshot = fakes.FakeVolumeSnapshot('1234', 'error',
'blah', 'derpysnapshot')
mock_cinder.volume_snapshots.create.return_value = build_snapshot
mock_cinder.volume_snapshots.get.return_value = error_snapshot
mock_cinder.volume_snapshots.list.return_value = [error_snapshot]
self.assertRaises(
OpenStackCloudException,
self.client.create_volume_snapshot, volume_id='1234',
wait=True, timeout=5)
mock_cinder.volume_snapshots.create.assert_called_with(
display_description=None, display_name=None, force=False,
volume_id='1234'
)
mock_cinder.volume_snapshots.get.assert_called_with(
snapshot_id=meta.obj_to_dict(build_snapshot)['id']
)