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How to use _assert_cascade_delete method in tempest

Best Python code snippet using tempest_python

test_volume_delete_cascade.py

Source:test_volume_delete_cascade.py

...29    def skip_checks(cls):30        super(VolumesDeleteCascade, cls).skip_checks()31        if not CONF.volume_feature_enabled.snapshot:32            raise cls.skipException("Cinder snapshot feature disabled")33    def _assert_cascade_delete(self, volume_id):34        # Fetch volume ids35        volume_list = [36            vol['id'] for vol in37            self.volumes_client.list_volumes()['volumes']38            ]39        # Verify the parent volume was deleted40        self.assertNotIn(volume_id, volume_list)41        # List snapshots42        snapshot_list = self.snapshots_client.list_snapshots()['snapshots']43        # Verify snapshots were deleted44        self.assertNotIn(volume_id, map(operator.itemgetter('volume_id'),45                                        snapshot_list))46    @decorators.idempotent_id('994e2d40-de37-46e8-b328-a58fba7e4a95')47    def test_volume_delete_cascade(self):48        # The case validates the ability to delete a volume49        # with associated snapshots.50        # Create a volume51        volume = self.create_volume()52        for _ in range(2):53            self.create_snapshot(volume['id'])54        # Delete the parent volume with associated snapshots55        self.volumes_client.delete_volume(volume['id'], cascade=True)56        self.volumes_client.wait_for_resource_deletion(volume['id'])57        # Verify volume parent was deleted with its associated snapshots58        self._assert_cascade_delete(volume['id'])59    @decorators.idempotent_id('59a77ede-609b-4ee8-9f68-fc3c6ffe97b5')60    @testtools.skipIf(CONF.volume.storage_protocol == 'ceph',61                      'Skip because of Bug#1677525')62    def test_volume_from_snapshot_cascade_delete(self):63        # The case validates the ability to delete a volume with64        # associated snapshot while there is another volume created65        # from that snapshot.66        # Create a volume67        volume = self.create_volume()68        snapshot = self.create_snapshot(volume['id'])69        # Create volume from snapshot70        volume_snap = self.create_volume(snapshot_id=snapshot['id'])71        volume_details = self.volumes_client.show_volume(72            volume_snap['id'])['volume']73        self.assertEqual(snapshot['id'], volume_details['snapshot_id'])74        # Delete the parent volume with associated snapshot75        self.volumes_client.delete_volume(volume['id'], cascade=True)76        self.volumes_client.wait_for_resource_deletion(volume['id'])77        # Verify volume parent was deleted with its associated snapshot...

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