How to use _verify_migration method in tempest

Best Python code snippet using tempest_python

test_volume_retype.py

Source:test_volume_retype.py

...36                self.admin_volume_client.wait_for_resource_deletion(37                    fetched_vol['id'])38                break39    @abc.abstractmethod40    def _verify_migration(self, source_vol, dest_vol):41        pass42    def _create_volume_from_snapshot(self):43        # Create a volume in the first backend44        src_vol = self.create_volume(volume_type=self.src_vol_type['name'])45        # Create a volume snapshot46        snapshot = self.create_snapshot(src_vol['id'])47        # Create a volume from the snapshot48        src_vol = self.create_volume(volume_type=self.src_vol_type['name'],49                                     snapshot_id=snapshot['id'])50        # Delete the snapshot51        self.snapshots_client.delete_snapshot(snapshot['id'])52        self.snapshots_client.wait_for_resource_deletion(snapshot['id'])53        return src_vol54    def _retype_volume(self, volume, migration_policy):55        volume_source = self.admin_volume_client.show_volume(56            volume['id'])['volume']57        self.volumes_client.retype_volume(58            volume['id'],59            new_type=self.dst_vol_type['name'],60            migration_policy=migration_policy)61        self.addCleanup(self._wait_for_internal_volume_cleanup, volume)62        waiters.wait_for_volume_retype(self.volumes_client, volume['id'],63                                       self.dst_vol_type['name'])64        volume_dest = self.admin_volume_client.show_volume(65            volume['id'])['volume']66        self._verify_migration(volume_source, volume_dest)67class VolumeRetypeWithMigrationTest(VolumeRetypeTest):68    @classmethod69    def skip_checks(cls):70        super(VolumeRetypeTest, cls).skip_checks()71        if not CONF.volume_feature_enabled.multi_backend:72            raise cls.skipException("Cinder multi-backend feature disabled")73        if len(set(CONF.volume.backend_names)) < 2:74            raise cls.skipException("Requires at least two different "75                                    "backend names")76    @classmethod77    def resource_setup(cls):78        super(VolumeRetypeWithMigrationTest, cls).resource_setup()79        # read backend name from a list.80        backend_src = CONF.volume.backend_names[0]81        backend_dst = CONF.volume.backend_names[1]82        extra_specs_src = {"volume_backend_name": backend_src}83        extra_specs_dst = {"volume_backend_name": backend_dst}84        cls.src_vol_type = cls.create_volume_type(extra_specs=extra_specs_src)85        cls.dst_vol_type = cls.create_volume_type(extra_specs=extra_specs_dst)86    def _verify_migration(self, volume_source, volume_dest):87        keys_with_no_change = ('id', 'size', 'description', 'name',88                               'user_id', 'os-vol-tenant-attr:tenant_id')89        keys_with_change = ('volume_type', 'os-vol-host-attr:host')90        # Check the volume information after the migration.91        self.assertEqual('success',92                         volume_dest['os-vol-mig-status-attr:migstat'])93        self.assertEqual('success', volume_dest['migration_status'])94        for key in keys_with_no_change:95            self.assertEqual(volume_source[key], volume_dest[key])96        for key in keys_with_change:97            self.assertNotEqual(volume_source[key], volume_dest[key])98        self.assertEqual(volume_dest['volume_type'], self.dst_vol_type['name'])99    @decorators.idempotent_id('a1a41f3f-9dad-493e-9f09-3ff197d477cd')100    def test_available_volume_retype_with_migration(self):101        src_vol = self.create_volume(volume_type=self.src_vol_type['name'])102        self._retype_volume(src_vol, migration_policy='on-demand')103    @decorators.idempotent_id('d0d9554f-e7a5-4104-8973-f35b27ccb60d')104    def test_volume_from_snapshot_retype_with_migration(self):105        src_vol = self._create_volume_from_snapshot()106        # Migrate the volume from snapshot to the second backend107        self._retype_volume(src_vol, migration_policy='on-demand')108class VolumeRetypeWithoutMigrationTest(VolumeRetypeTest):109    @classmethod110    def resource_setup(cls):111        super(VolumeRetypeWithoutMigrationTest, cls).resource_setup()112        cls.src_vol_type = cls.create_volume_type('volume-type-1')113        cls.dst_vol_type = cls.create_volume_type('volume-type-2')114    def _verify_migration(self, volume_source, volume_dest):115        keys_with_no_change = ('id', 'size', 'description', 'name',116                               'user_id', 'os-vol-tenant-attr:tenant_id',117                               'os-vol-host-attr:host')118        keys_with_change = ('volume_type',)119        # Check the volume information after the retype120        self.assertIsNone(volume_dest['os-vol-mig-status-attr:migstat'])121        self.assertIsNone(volume_dest['migration_status'])122        for key in keys_with_no_change:123            self.assertEqual(volume_source[key], volume_dest[key])124        for key in keys_with_change:125            self.assertNotEqual(volume_source[key], volume_dest[key])126        self.assertEqual(volume_dest['volume_type'], self.dst_vol_type['name'])127    @decorators.idempotent_id('b90412ee-465d-46e9-b249-ec84a47d5f25')128    def test_available_volume_retype(self):...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.