120 lines
4.7 KiB
Python
120 lines
4.7 KiB
Python
# 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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import uuid
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import mock
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from oslo_serialization import jsonutils
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from nova import exception
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from nova import objects
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from nova.tests.unit.objects import test_instance_numa_topology
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from nova.tests.unit.objects import test_objects
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fake_instance_uuid = str(uuid.uuid4())
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fake_migration_context_obj = objects.MigrationContext()
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fake_migration_context_obj.instance_uuid = fake_instance_uuid
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fake_migration_context_obj.migration_id = 42
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fake_migration_context_obj.new_numa_topology = (
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test_instance_numa_topology.fake_obj_numa_topology.obj_clone())
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fake_migration_context_obj.old_numa_topology = None
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fake_db_context = {
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'created_at': None,
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'updated_at': None,
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'deleted_at': None,
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'deleted': 0,
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'instance_uuid': fake_instance_uuid,
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'migration_context': jsonutils.dumps(
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fake_migration_context_obj.obj_to_primitive()),
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}
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def get_fake_migration_context_obj(ctxt):
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obj = fake_migration_context_obj.obj_clone()
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obj._context = ctxt
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return obj
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class _TestMigrationContext(object):
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@mock.patch('nova.db.instance_extra_update_by_uuid')
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def test_create(self, mock_update):
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ctxt_obj = get_fake_migration_context_obj(self.context)
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ctxt_obj._save()
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self.assertEqual(1, len(mock_update.call_args_list))
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update_call = mock_update.call_args
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self.assertEqual(self.context, update_call[0][0])
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self.assertEqual(fake_instance_uuid, update_call[0][1])
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self.assertIsInstance(ctxt_obj.new_numa_topology,
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objects.InstanceNUMATopology)
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self.assertIsNone(ctxt_obj.old_numa_topology)
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@mock.patch('nova.db.instance_extra_update_by_uuid')
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def test_destroy(self, mock_update):
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objects.MigrationContext._destroy(self.context, fake_instance_uuid)
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self.assertEqual(1, len(mock_update.call_args_list))
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update_call = mock_update.call_args
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self.assertEqual(self.context, update_call[0][0])
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self.assertEqual(fake_instance_uuid, update_call[0][1])
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self.assertEqual({'migration_context': None}, update_call[0][2])
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def _test_get_by_instance_uuid(self, db_data):
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mig_context = objects.MigrationContext.get_by_instance_uuid(
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self.context, fake_db_context['instance_uuid'])
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if mig_context:
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self.assertEqual(fake_db_context['instance_uuid'],
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mig_context.instance_uuid)
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expected_mig_context = db_data and db_data.get('migration_context')
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expected_mig_context = objects.MigrationContext.obj_from_db_obj(
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expected_mig_context)
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self.assertEqual(expected_mig_context.instance_uuid,
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mig_context.instance_uuid)
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self.assertEqual(expected_mig_context.migration_id,
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mig_context.migration_id)
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self.assertIsInstance(expected_mig_context.new_numa_topology,
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mig_context.new_numa_topology.__class__)
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self.assertIsInstance(expected_mig_context.old_numa_topology,
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mig_context.old_numa_topology.__class__)
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else:
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self.assertIsNone(mig_context)
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@mock.patch('nova.db.instance_extra_get_by_instance_uuid')
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def test_get_by_instance_uuid(self, mock_get):
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mock_get.return_value = fake_db_context
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self._test_get_by_instance_uuid(fake_db_context)
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@mock.patch('nova.db.instance_extra_get_by_instance_uuid')
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def test_get_by_instance_uuid_none(self, mock_get):
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db_context = fake_db_context.copy()
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db_context['migration_context'] = None
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mock_get.return_value = db_context
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self._test_get_by_instance_uuid(db_context)
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@mock.patch('nova.db.instance_extra_get_by_instance_uuid')
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def test_get_by_instance_uuid_missing(self, mock_get):
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mock_get.return_value = None
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self.assertRaises(
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exception.MigrationContextNotFound,
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objects.MigrationContext.get_by_instance_uuid,
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self.context, 'fake_uuid')
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class TestMigrationContext(test_objects._LocalTest, _TestMigrationContext):
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pass
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class TestMigrationContextRemote(test_objects._RemoteTest,
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_TestMigrationContext):
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pass
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