132 lines
4.4 KiB
Python
132 lines
4.4 KiB
Python
# Copyright 2013 Canonical Ltd.
|
|
# 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.
|
|
""" Tests for create_volume TaskFlow """
|
|
|
|
import time
|
|
|
|
import mock
|
|
|
|
from cinder import context
|
|
from cinder import test
|
|
from cinder.volume.flows import create_volume
|
|
|
|
|
|
class fake_scheduler_rpc_api(object):
|
|
def __init__(self, expected_spec, test_inst):
|
|
self.expected_spec = expected_spec
|
|
self.test_inst = test_inst
|
|
|
|
def create_volume(self, ctxt, topic, volume_id, snapshot_id=None,
|
|
image_id=None, request_spec=None,
|
|
filter_properties=None):
|
|
|
|
self.test_inst.assertEqual(self.expected_spec, request_spec)
|
|
|
|
|
|
class fake_volume_api(object):
|
|
def __init__(self, expected_spec, test_inst):
|
|
self.expected_spec = expected_spec
|
|
self.test_inst = test_inst
|
|
|
|
def create_volume(self, ctxt, volume, host,
|
|
request_spec, filter_properties,
|
|
allow_reschedule=True,
|
|
snapshot_id=None, image_id=None,
|
|
source_volid=None):
|
|
|
|
self.test_inst.assertEqual(self.expected_spec, request_spec)
|
|
self.test_inst.assertEqual(request_spec['source_volid'], source_volid)
|
|
self.test_inst.assertEqual(request_spec['snapshot_id'], snapshot_id)
|
|
self.test_inst.assertEqual(request_spec['image_id'], image_id)
|
|
|
|
|
|
class fake_db(object):
|
|
|
|
def volume_get(self, *args, **kwargs):
|
|
return {'host': 'barf'}
|
|
|
|
def volume_update(self, *args, **kwargs):
|
|
return {'host': 'farb'}
|
|
|
|
def snapshot_get(self, *args, **kwargs):
|
|
return {'volume_id': 1}
|
|
|
|
|
|
class CreateVolumeFlowTestCase(test.TestCase):
|
|
|
|
def time_inc(self):
|
|
self.counter += 1
|
|
return self.counter
|
|
|
|
def setUp(self):
|
|
super(CreateVolumeFlowTestCase, self).setUp()
|
|
self.ctxt = context.get_admin_context()
|
|
self.counter = float(0)
|
|
|
|
# Ensure that time.time() always returns more than the last time it was
|
|
# called to avoid div by zero errors.
|
|
self.counter = float(0)
|
|
self.stubs.Set(time, 'time', self.time_inc)
|
|
|
|
def test_exception_to_unicode(self):
|
|
class FakeException(Exception):
|
|
def __str__(self):
|
|
raise UnicodeError()
|
|
|
|
exc = Exception('error message')
|
|
ret = create_volume._exception_to_unicode(exc)
|
|
self.assertEqual(unicode, type(ret))
|
|
self.assertEqual(ret, 'error message')
|
|
|
|
exc = Exception('\xa5 error message')
|
|
ret = create_volume._exception_to_unicode(exc)
|
|
self.assertEqual(unicode, type(ret))
|
|
self.assertEqual(ret, ' error message')
|
|
|
|
unicodeExc = FakeException('\xa5 error message')
|
|
ret = create_volume._exception_to_unicode(unicodeExc)
|
|
self.assertEqual(unicode, type(ret))
|
|
self.assertEqual(ret, _("Caught '%(exception)s' exception.") %
|
|
{'exception': 'FakeException'})
|
|
|
|
def test_cast_create_volume(self):
|
|
|
|
props = {}
|
|
spec = {'volume_id': None,
|
|
'source_volid': None,
|
|
'snapshot_id': None,
|
|
'image_id': None}
|
|
|
|
task = create_volume.VolumeCastTask(fake_scheduler_rpc_api(spec, self),
|
|
fake_volume_api(spec, self),
|
|
fake_db())
|
|
|
|
task._cast_create_volume(self.ctxt, spec, props)
|
|
|
|
spec = {'volume_id': 1,
|
|
'source_volid': 2,
|
|
'snapshot_id': 3,
|
|
'image_id': 4}
|
|
|
|
task = create_volume.VolumeCastTask(fake_scheduler_rpc_api(spec, self),
|
|
fake_volume_api(spec, self),
|
|
fake_db())
|
|
|
|
task._cast_create_volume(self.ctxt, spec, props)
|
|
|
|
def tearDown(self):
|
|
self.stubs.UnsetAll()
|
|
super(CreateVolumeFlowTestCase, self).tearDown()
|