cinder/cinder/tests/unit/volume/drivers/netapp/dataontap/test_block_driver_interface...

59 lines
2.4 KiB
Python

# Copyright (c) 2015 Clinton Knight. 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.
"""
Mock unit tests for the NetApp block storage driver interfaces
"""
import collections
from cinder import test
from cinder.volume.drivers.netapp.dataontap import block_cmode
from cinder.volume.drivers.netapp.dataontap import fc_cmode
from cinder.volume.drivers.netapp.dataontap import iscsi_cmode
class NetAppBlockStorageDriverInterfaceTestCase(test.TestCase):
def setUp(self):
super(NetAppBlockStorageDriverInterfaceTestCase, self).setUp()
self.mock_object(block_cmode.NetAppBlockStorageCmodeLibrary,
'__init__',
return_value=None)
self.iscsi_cmode_driver = iscsi_cmode.NetAppCmodeISCSIDriver()
self.fc_cmode_driver = fc_cmode.NetAppCmodeFibreChannelDriver()
def test_driver_interfaces_match(self):
"""Ensure the NetApp block storage driver interfaces match.
The two block storage Cinder drivers from NetApp (iSCSI/FC)
are merely passthrough shim layers atop a common
block storage library. Bugs have been introduced when a Cinder
method was exposed via a subset of those driver shims. This test
ensures they remain in sync and the library features are uniformly
available in the four drivers.
"""
# Get local functions of each driver interface
iscsi_cmode = self._get_local_functions(self.iscsi_cmode_driver)
fc_cmode = self._get_local_functions(self.fc_cmode_driver)
# Ensure NetApp block storage driver shims are identical
self.assertSetEqual(iscsi_cmode, fc_cmode)
def _get_local_functions(self, obj):
"""Get function names of an object without superclass functions."""
return set([key for key, value in type(obj).__dict__.items()
if isinstance(value, collections.Callable)])