109 lines
4.6 KiB
Python
109 lines
4.6 KiB
Python
# Copyright (c) 2013 - 2015 EMC Corporation.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from six.moves import urllib
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from cinder import context
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from cinder import exception
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from cinder.tests.unit import fake_constants as fake
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from cinder.tests.unit.fake_volume import fake_volume_obj
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from cinder.tests.unit.volume.drivers.dell_emc import powerflex
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from cinder.tests.unit.volume.drivers.dell_emc.powerflex import mocks
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from cinder.volume import configuration
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from cinder.volume.drivers.dell_emc.powerflex import utils as flex_utils
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class TestExtendVolume(powerflex.TestPowerFlexDriver):
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"""Test cases for ``PowerFlexDriver.extend_volume()``"""
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""" New sizes for the volume.
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Since PowerFlex has a granularity of 8 GB, multiples of 8 always work.
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The 7 size should be either rounded up to 8 or raise an exception
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based on the round_volume_capacity config setting.
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"""
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NEW_SIZE = 16
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BAD_SIZE = 7
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def setUp(self):
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"""Setup a test case environment.
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Creates fake volume object and sets up the required API responses.
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"""
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super(TestExtendVolume, self).setUp()
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ctx = context.RequestContext('fake', 'fake', auth_token=True)
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self.volume = fake_volume_obj(ctx, **{'id': fake.VOLUME_ID,
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'provider_id': fake.PROVIDER_ID})
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self.volume_name_2x_enc = urllib.parse.quote(
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urllib.parse.quote(flex_utils.id_to_base64(self.volume.id))
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)
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self.HTTPS_MOCK_RESPONSES = {
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self.RESPONSE_MODE.Valid: {
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'types/Volume/instances/getByName::' +
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self.volume_name_2x_enc: '"{}"'.format(self.volume.id),
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'instances/Volume::{}/action/setVolumeSize'.format(
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self.volume.provider_id
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): mocks.MockHTTPSResponse({}, 200),
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},
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self.RESPONSE_MODE.BadStatus: {
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'types/Volume/instances/getByName::' +
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self.volume_name_2x_enc: self.BAD_STATUS_RESPONSE,
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'types/Volume/instances/getByName::' +
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self.volume_name_2x_enc: self.BAD_STATUS_RESPONSE,
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'instances/Volume::{}/action/setVolumeSize'.format(
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self.volume.provider_id): self.BAD_STATUS_RESPONSE,
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},
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self.RESPONSE_MODE.Invalid: {
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'types/Volume/instances/getByName::' +
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self.volume_name_2x_enc: None,
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'instances/Volume::{}/action/setVolumeSize'.format(
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self.volume.provider_id): mocks.MockHTTPSResponse(
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{
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'errorCode': self.OLD_VOLUME_NOT_FOUND_ERROR,
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'message': 'BadStatus Volume Test',
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}, 400
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),
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},
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}
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def test_bad_login(self):
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self.set_https_response_mode(self.RESPONSE_MODE.BadStatus)
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self.assertRaises(exception.VolumeBackendAPIException,
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self.driver.extend_volume,
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self.volume,
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self.NEW_SIZE)
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def test_invalid_volume(self):
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self.set_https_response_mode(self.RESPONSE_MODE.Invalid)
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self.assertRaises(exception.VolumeBackendAPIException,
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self.driver.extend_volume,
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self.volume,
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self.NEW_SIZE)
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def test_extend_volume_bad_size_no_round(self):
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self.override_config('powerflex_round_volume_capacity', False,
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configuration.SHARED_CONF_GROUP)
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self.set_https_response_mode(self.RESPONSE_MODE.Valid)
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self.driver.extend_volume(self.volume, self.BAD_SIZE)
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def test_extend_volume_bad_size_round(self):
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self.override_config('powerflex_round_volume_capacity', True,
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configuration.SHARED_CONF_GROUP)
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self.driver.extend_volume(self.volume, self.BAD_SIZE)
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def test_extend_volume(self):
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self.set_https_response_mode(self.RESPONSE_MODE.Valid)
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self.driver.extend_volume(self.volume, self.NEW_SIZE)
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