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# Copyright 2018 Huawei Technologies Co.,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.
import datetime
import mock
import netaddr
from oslo_db import exception as db_exc
from oslo_serialization import jsonutils
from oslo_utils import timeutils
from oslo_context import context
from cyborg import db
from cyborg.common import exception
from cyborg import objects
from cyborg.objects import base
from cyborg import tests as test
from cyborg.tests.unit import fake_accelerator
from cyborg.tests.unit.objects import test_objects
from cyborg.tests.unit.db.base import DbTestCase
class _TestAcceleratorObject(DbTestCase):
@property
def fake_accelerator(self):
db_acc = fake_accelerator.fake_db_accelerator(id=2)
return db_acc
@mock.patch.object(db.api.Connection, 'accelerator_create')
def test_create(self, mock_create):
mock_create.return_value = self.fake_accelerator
acc = objects.Accelerator(context=self.context,
**mock_create.return_value)
acc.create(self.context)
self.assertEqual(self.fake_accelerator['id'], acc.id)
@mock.patch.object(db.api.Connection, 'accelerator_get')
def test_get(self, mock_get):
mock_get.return_value = self.fake_accelerator
acc = objects.Accelerator(context=self.context,
**mock_get.return_value)
acc.create(self.context)
acc_get = objects.Accelerator.get(self.context, acc['uuid'])
self.assertEqual(acc_get.uuid, acc.uuid)
@mock.patch.object(db.api.Connection, 'accelerator_update')
def test_save(self, mock_save):
mock_save.return_value = self.fake_accelerator
acc = objects.Accelerator(context=self.context,
**mock_save.return_value)
acc.create(self.context)
acc.name = 'test_save'
acc.save(self.context)
acc_get = objects.Accelerator.get(self.context, acc['uuid'])
self.assertEqual(acc_get.name, 'test_save')
@mock.patch.object(db.api.Connection, 'accelerator_delete')
def test_destroy(self, mock_destroy):
mock_destroy.return_value = self.fake_accelerator
acc = objects.Accelerator(context=self.context,
**mock_destroy.return_value)
acc.create(self.context)
self.assertEqual(self.fake_accelerator['id'], acc.id)
acc.destroy(self.context)
self.assertRaises(exception.AcceleratorNotFound,
objects.Accelerator.get, self.context,
acc['uuid'])
class TestAcceleratorObject(test_objects._LocalTest,
_TestAcceleratorObject):
def _test_save_objectfield_fk_constraint_fails(self, foreign_key,
expected_exception):
error = db_exc.DBReferenceError('table', 'constraint', foreign_key,
'key_table')
# Prevent lazy-loading any fields, results in InstanceNotFound
accelerator = fake_accelerator.fake_accelerator_obj(self.context)
fields_with_save_methods = [field for field in accelerator.fields
if hasattr(accelerator,
'_save_%s' % field)]
for field in fields_with_save_methods:
@mock.patch.object(accelerator, '_save_%s' % field)
@mock.patch.object(accelerator, 'obj_attr_is_set')
def _test(mock_is_set, mock_save_field):
mock_is_set.return_value = True
mock_save_field.side_effect = error
accelerator.obj_reset_changes(fields=[field])
accelerator._changed_fields.add(field)
self.assertRaises(expected_exception, accelerator.save)
accelerator.obj_reset_changes(fields=[field])
_test()
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