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# 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 mock
from oslo_utils import uuidutils
from nova import exception
from nova import objects
from nova.objects import instance_mapping
from nova.tests.unit.objects import test_cell_mapping
from nova.tests.unit.objects import test_objects
def get_db_mapping(**updates):
db_mapping = {
'id': 1,
'instance_uuid': uuidutils.generate_uuid(),
'cell_id': None,
'project_id': 'fake-project',
'user_id': 'fake-user',
'created_at': None,
'updated_at': None,
'queued_for_delete': False,
}
db_mapping["cell_mapping"] = test_cell_mapping.get_db_mapping(id=42)
db_mapping['cell_id'] = db_mapping["cell_mapping"]["id"]
db_mapping.update(updates)
return db_mapping
class _TestInstanceMappingObject(object):
def _check_cell_map_value(self, db_val, cell_obj):
self.assertEqual(db_val, cell_obj.id)
@mock.patch.object(instance_mapping.InstanceMapping,
'_get_by_instance_uuid_from_db')
def test_get_by_instance_uuid(self, uuid_from_db):
db_mapping = get_db_mapping()
uuid_from_db.return_value = db_mapping
mapping_obj = objects.InstanceMapping().get_by_instance_uuid(
self.context, db_mapping['instance_uuid'])
uuid_from_db.assert_called_once_with(self.context,
db_mapping['instance_uuid'])
self.compare_obj(mapping_obj, db_mapping,
subs={'cell_mapping': 'cell_id'},
comparators={
'cell_mapping': self._check_cell_map_value})
@mock.patch.object(instance_mapping.InstanceMapping,
'_get_by_instance_uuid_from_db')
def test_get_by_instance_uuid_cell_mapping_none(self, uuid_from_db):
db_mapping = get_db_mapping(cell_mapping=None, cell_id=None)
uuid_from_db.return_value = db_mapping
mapping_obj = objects.InstanceMapping().get_by_instance_uuid(
self.context, db_mapping['instance_uuid'])
uuid_from_db.assert_called_once_with(self.context,
db_mapping['instance_uuid'])
self.compare_obj(mapping_obj, db_mapping,
subs={'cell_mapping': 'cell_id'})
@mock.patch.object(instance_mapping.InstanceMapping, '_create_in_db')
def test_create(self, create_in_db):
db_mapping = get_db_mapping()
uuid = db_mapping['instance_uuid']
create_in_db.return_value = db_mapping
mapping_obj = objects.InstanceMapping(self.context)
mapping_obj.instance_uuid = uuid
mapping_obj.cell_mapping = objects.CellMapping(self.context,
id=db_mapping['cell_mapping']['id'])
mapping_obj.project_id = db_mapping['project_id']
mapping_obj.user_id = db_mapping['user_id']
mapping_obj.create()
create_in_db.assert_called_once_with(self.context,
{'instance_uuid': uuid,
'queued_for_delete': False,
'cell_id': db_mapping['cell_mapping']['id'],
'project_id': db_mapping['project_id'],
'user_id': db_mapping['user_id']})
self.compare_obj(mapping_obj, db_mapping,
subs={'cell_mapping': 'cell_id'},
comparators={
'cell_mapping': self._check_cell_map_value})
@mock.patch.object(instance_mapping.InstanceMapping, '_create_in_db')
def test_create_cell_mapping_none(self, create_in_db):
db_mapping = get_db_mapping(cell_mapping=None, cell_id=None)
uuid = db_mapping['instance_uuid']
create_in_db.return_value = db_mapping
mapping_obj = objects.InstanceMapping(self.context)
mapping_obj.instance_uuid = uuid
mapping_obj.cell_mapping = None
mapping_obj.project_id = db_mapping['project_id']
mapping_obj.user_id = db_mapping['user_id']
mapping_obj.create()
create_in_db.assert_called_once_with(self.context,
{'instance_uuid': uuid,
'queued_for_delete': False,
'project_id': db_mapping['project_id'],
'user_id': db_mapping['user_id']})
self.compare_obj(mapping_obj, db_mapping,
subs={'cell_mapping': 'cell_id'})
self.assertIsNone(mapping_obj.cell_mapping)
@mock.patch.object(instance_mapping.InstanceMapping, '_create_in_db')
def test_create_cell_mapping_with_qfd_true(self, create_in_db):
db_mapping = get_db_mapping(cell_mapping=None, cell_id=None)
create_in_db.return_value = db_mapping
mapping_obj = objects.InstanceMapping(self.context)
mapping_obj.instance_uuid = db_mapping['instance_uuid']
mapping_obj.cell_mapping = None
mapping_obj.project_id = db_mapping['project_id']
mapping_obj.user_id = db_mapping['user_id']
mapping_obj.queued_for_delete = True
mapping_obj.create()
create_in_db.assert_called_once_with(self.context,
{'instance_uuid': db_mapping['instance_uuid'],
'queued_for_delete': True,
'project_id': db_mapping['project_id'],
'user_id': db_mapping['user_id']})
@mock.patch.object(instance_mapping.InstanceMapping, '_save_in_db')
def test_save(self, save_in_db):
db_mapping = get_db_mapping()
uuid = db_mapping['instance_uuid']
save_in_db.return_value = db_mapping
mapping_obj = objects.InstanceMapping(self.context)
mapping_obj.instance_uuid = uuid
mapping_obj.cell_mapping = objects.CellMapping(self.context, id=42)
mapping_obj.save()
save_in_db.assert_called_once_with(self.context,
db_mapping['instance_uuid'],
{'cell_id': mapping_obj.cell_mapping.id,
'instance_uuid': uuid})
self.compare_obj(mapping_obj, db_mapping,
subs={'cell_mapping': 'cell_id'},
comparators={
'cell_mapping': self._check_cell_map_value})
@mock.patch.object(instance_mapping.InstanceMapping, '_destroy_in_db')
def test_destroy(self, destroy_in_db):
uuid = uuidutils.generate_uuid()
mapping_obj = objects.InstanceMapping(self.context)
mapping_obj.instance_uuid = uuid
mapping_obj.destroy()
destroy_in_db.assert_called_once_with(self.context, uuid)
def test_cell_mapping_nullable(self):
mapping_obj = objects.InstanceMapping(self.context)
# Just ensure this doesn't raise an exception
mapping_obj.cell_mapping = None
def test_obj_make_compatible(self):
uuid = uuidutils.generate_uuid()
im_obj = instance_mapping.InstanceMapping(context=self.context)
fake_im_obj = instance_mapping.InstanceMapping(context=self.context,
instance_uuid=uuid,
queued_for_delete=False,
user_id='fake-user')
obj_primitive = fake_im_obj.obj_to_primitive('1.1')
obj = im_obj.obj_from_primitive(obj_primitive)
self.assertIn('queued_for_delete', obj)
self.assertNotIn('user_id', obj)
obj_primitive = fake_im_obj.obj_to_primitive('1.0')
obj = im_obj.obj_from_primitive(obj_primitive)
self.assertIn('instance_uuid', obj)
self.assertEqual(uuid, obj.instance_uuid)
self.assertNotIn('queued_for_delete', obj)
@mock.patch('nova.objects.instance_mapping.LOG.error')
def test_obj_load_attr(self, mock_log):
im_obj = instance_mapping.InstanceMapping()
# Access of unset user_id should have special handling
self.assertRaises(exception.ObjectActionError, im_obj.obj_load_attr,
'user_id')
msg = ('The unset user_id attribute of an unmigrated instance mapping '
'should not be accessed.')
mock_log.assert_called_once_with(msg)
# Access of any other unset attribute should fall back to base class
self.assertRaises(NotImplementedError, im_obj.obj_load_attr,
'project_id')
class TestInstanceMappingObject(test_objects._LocalTest,
_TestInstanceMappingObject):
pass
class TestRemoteInstanceMappingObject(test_objects._RemoteTest,
_TestInstanceMappingObject):
pass
class _TestInstanceMappingListObject(object):
def _check_cell_map_value(self, db_val, cell_obj):
self.assertEqual(db_val, cell_obj.id)
@mock.patch.object(instance_mapping.InstanceMappingList,
'_get_by_project_id_from_db')
def test_get_by_project_id(self, project_id_from_db):
db_mapping = get_db_mapping()
project_id_from_db.return_value = [db_mapping]
mapping_obj = objects.InstanceMappingList().get_by_project_id(
self.context, db_mapping['project_id'])
project_id_from_db.assert_called_once_with(self.context,
db_mapping['project_id'])
self.compare_obj(mapping_obj.objects[0], db_mapping,
subs={'cell_mapping': 'cell_id'},
comparators={
'cell_mapping': self._check_cell_map_value})
@mock.patch.object(instance_mapping.InstanceMappingList,
'_destroy_bulk_in_db')
def test_destroy_bulk(self, destroy_bulk_in_db):
uuids_to_be_deleted = []
for i in range(0, 5):
uuid = uuidutils.generate_uuid()
uuids_to_be_deleted.append(uuid)
destroy_bulk_in_db.return_value = 5
result = objects.InstanceMappingList.destroy_bulk(self.context,
uuids_to_be_deleted)
destroy_bulk_in_db.assert_called_once_with(self.context,
uuids_to_be_deleted)
self.assertEqual(5, result)
class TestInstanceMappingListObject(test_objects._LocalTest,
_TestInstanceMappingListObject):
pass
class TestRemoteInstanceMappingListObject(test_objects._RemoteTest,
_TestInstanceMappingListObject):
pass
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