occi-os/tests/test_backends_storage.py
2013-05-03 14:00:57 +02:00

297 lines
9.1 KiB
Python

# coding=utf-8
# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# Copyright (c) 2012, Intel Performance Learning Solutions Ltd.
#
# 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 network resource backend.
"""
#pylint: disable=W0102,C0103,R0904,R0801
import mox
import unittest
from occi import core_model, exceptions
from occi.extensions import infrastructure
from occi_os_api import nova_glue
from occi_os_api.backends import storage
class TestStorageBackend(unittest.TestCase):
"""
Tests the storage backend!
"""
def setUp(self):
"""
Setup the tests.
"""
self.backend = storage.StorageBackend()
self.sec_obj = {'nova_ctx': None}
self.mox = mox.Mox()
def tearDown(self):
"""
Cleanup mocks.
"""
self.mox.UnsetStubs()
# Test for failure
def test_create_for_failure(self):
"""
Test attachement.
"""
# msg size attribute
res = mox.MockObject(core_model.Resource)
res.attributes = {}
self.assertRaises(AttributeError, self.backend.create, res,
self.sec_obj)
# error in volume creation
res.attributes = {'occi.storage.size': '1'}
self.mox.StubOutWithMock(nova_glue.storage, 'create_storage')
nova_glue.storage.create_storage(mox.IsA(object),
mox.IsA(object)).\
AndReturn({'id': '1'})
self.mox.StubOutWithMock(nova_glue.storage, 'get_storage')
nova_glue.storage.get_storage(mox.IsA(object),
mox.IsA(object)).\
AndReturn({'status': 'error'})
self.mox.ReplayAll()
self.assertRaises(exceptions.HTTPError, self.backend.create, res,
self.sec_obj)
self.mox.VerifyAll()
def test_action_for_failure(self):
"""
Test actions
"""
res = mox.MockObject(core_model.Resource)
res.actions = []
# snapshot
self.assertRaises(AttributeError, self.backend.action, res,
infrastructure.SNAPSHOT, {}, self.sec_obj)
# Test for sanity
def test_create_for_sanity(self):
"""
Test creation.
"""
res = mox.MockObject(core_model.Resource)
res.attributes = {'occi.storage.size': '1'}
self.mox.StubOutWithMock(nova_glue.storage, 'create_storage')
nova_glue.storage.create_storage(mox.IsA(object),
mox.IsA(object)).\
AndReturn({'id': '1'})
self.mox.StubOutWithMock(nova_glue.storage, 'get_storage')
nova_glue.storage.get_storage(mox.IsA(object),
mox.IsA(object)).\
AndReturn({'status': 'available'})
self.mox.ReplayAll()
self.backend.create(res, self.sec_obj)
# verify all attrs.
self.assertEqual(res.attributes['occi.storage.state'], 'active')
self.assertListEqual([infrastructure.OFFLINE, infrastructure.BACKUP,
infrastructure.SNAPSHOT, infrastructure.RESIZE],
res.actions)
self.mox.VerifyAll()
def test_retrieve_for_sanity(self):
"""
Test retrieval.
"""
res = mox.MockObject(core_model.Resource)
res.attributes = {'occi.core.id': '1'}
self.mox.StubOutWithMock(nova_glue.storage, 'get_storage')
nova_glue.storage.get_storage(mox.IsA(object),
mox.IsA(object)).\
AndReturn({'status': 'available', 'size': '1'})
self.mox.ReplayAll()
self.backend.retrieve(res, self.sec_obj)
# verify all attrs.
self.assertEqual(res.attributes['occi.storage.state'], 'online')
self.assertListEqual([infrastructure.OFFLINE, infrastructure.BACKUP,
infrastructure.SNAPSHOT, infrastructure.RESIZE],
res.actions)
self.mox.VerifyAll()
self.mox.UnsetStubs()
self.mox.StubOutWithMock(nova_glue.storage, 'get_storage')
nova_glue.storage.get_storage(mox.IsA(object),
mox.IsA(object)).\
AndReturn({'status': 'bla', 'size': '1'})
self.mox.ReplayAll()
self.backend.retrieve(res, self.sec_obj)
# verify all attrs.
self.assertEqual(res.attributes['occi.storage.state'], 'offline')
self.assertTrue(len(res.actions) == 1)
self.mox.VerifyAll()
def test_update_for_sanity(self):
"""
Test updating.
"""
res1 = mox.MockObject(core_model.Resource)
res1.attributes = {}
res2 = mox.MockObject(core_model.Resource)
res2.attributes = {'occi.core.title': 'foo',
'occi.core.summary': 'bar'}
self.mox.ReplayAll()
self.backend.update(res1, res2, self.sec_obj)
# verify all attrs.
self.assertEqual(res1.attributes['occi.core.title'], 'foo')
self.assertEqual(res1.attributes['occi.core.summary'], 'bar')
self.mox.VerifyAll()
def test_remove_for_sanity(self):
"""
Test removal.
"""
res = mox.MockObject(core_model.Resource)
res.attributes = {'occi.core.id': '1'}
self.mox.StubOutWithMock(nova_glue.storage, 'delete_storage_instance')
nova_glue.storage.delete_storage_instance(mox.IsA(object),
mox.IsA(object))
self.mox.ReplayAll()
self.backend.delete(res, self.sec_obj)
self.mox.VerifyAll()
def test_action_for_sanity(self):
"""
Test actions
"""
res = mox.MockObject(core_model.Resource)
res.attributes = {'occi.core.id': '1',
'occi.core.summary': 'foo'}
res.actions = [infrastructure.SNAPSHOT, infrastructure.BACKUP]
# snapshot
self.mox.StubOutWithMock(nova_glue.storage,
'snapshot_storage_instance')
nova_glue.storage.snapshot_storage_instance(mox.IsA(object),
mox.IsA(object),
mox.IsA(object),
mox.IsA(object))
self.mox.ReplayAll()
self.backend.action(res, infrastructure.SNAPSHOT, {}, self.sec_obj)
self.mox.VerifyAll()
# some other action
self.mox.ReplayAll()
self.backend.action(res, infrastructure.BACKUP, {}, self.sec_obj)
self.mox.VerifyAll()
class TestStorageLinkBackend(unittest.TestCase):
"""
Tests storage linking.
"""
def setUp(self):
"""
Setup the tests.
"""
self.backend = storage.StorageLinkBackend()
self.sec_obj = {'nova_ctx': None}
self.mox = mox.Mox()
def tearDown(self):
"""
Cleanup mocks.
"""
self.mox.UnsetStubs()
# Test for sanity
def test_create_for_sanity(self):
"""
Test attachement.
"""
source = mox.MockObject(core_model.Resource)
source.attributes = {'occi.core.id': 'foo'}
target = mox.MockObject(core_model.Resource)
target.attributes = {'occi.core.id': 'bar'}
link = core_model.Link('foo', None, [], source, target)
link.attributes = {'occi.storagelink.deviceid': '/dev/sda'}
self.mox.StubOutWithMock(nova_glue.vm, 'attach_volume')
nova_glue.vm.attach_volume(mox.IsA(object), mox.IsA(object),
mox.IsA(object), mox.IsA(object)).\
AndReturn({})
self.mox.ReplayAll()
self.backend.create(link, self.sec_obj)
# verify all attrs.
self.assertEqual(link.attributes['occi.storagelink.deviceid'],
'/dev/sda')
self.assertIn('occi.storagelink.mountpoint', link.attributes)
self.assertEqual(link.attributes['occi.storagelink.state'], 'active')
self.mox.VerifyAll()
def test_delete_for_sanity(self):
"""
Test deattachement.
"""
source = mox.MockObject(core_model.Resource)
target = mox.MockObject(core_model.Resource)
target.attributes = {'occi.core.id': 'bar'}
link = core_model.Link('foo', None, [], source, target)
self.mox.StubOutWithMock(nova_glue.vm, 'detach_volume')
nova_glue.vm.detach_volume(mox.IsA(object), mox.IsA(object))
self.mox.ReplayAll()
self.backend.delete(link, self.sec_obj)
self.mox.VerifyAll()