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OpenStack Study: test_snapshots.py**** CubicPower OpenStack Study ****
# Copyright 2011 Denali Systems, Inc. # All Rights Reserved. # # 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 from lxml import etree import webob from cinder.api.v2 import snapshots from cinder import db from cinder import exception from cinder.openstack.common import log as logging from cinder import test from cinder.tests.api import fakes from cinder.tests.api.v2 import stubs from cinder import volume LOG = logging.getLogger(__name__) UUID = '00000000-0000-0000-0000-000000000001' INVALID_UUID = '00000000-0000-0000-0000-000000000002'
**** CubicPower OpenStack Study **** def _get_default_snapshot_param(): return { 'id': UUID, 'volume_id': 12, 'status': 'available', 'volume_size': 100, 'created_at': None, 'display_name': 'Default name', 'display_description': 'Default description', }
**** CubicPower OpenStack Study **** def stub_snapshot_create(self, context, volume_id, name, description, metadata): snapshot = _get_default_snapshot_param() snapshot['volume_id'] = volume_id snapshot['display_name'] = name snapshot['display_description'] = description snapshot['metadata'] = metadata return snapshot
**** CubicPower OpenStack Study **** def stub_snapshot_delete(self, context, snapshot): if snapshot['id'] != UUID: raise exception.NotFound
**** CubicPower OpenStack Study **** def stub_snapshot_get(self, context, snapshot_id): if snapshot_id != UUID: raise exception.NotFound param = _get_default_snapshot_param() return param
**** CubicPower OpenStack Study **** def stub_snapshot_get_all(self, context, search_opts=None): param = _get_default_snapshot_param() return [param]
**** CubicPower OpenStack Study **** class SnapshotApiTest(test.TestCase):
**** CubicPower OpenStack Study **** def setUp(self): super(SnapshotApiTest, self).setUp() self.controller = snapshots.SnapshotsController() self.stubs.Set(db, 'snapshot_get_all_by_project', stubs.stub_snapshot_get_all_by_project) self.stubs.Set(db, 'snapshot_get_all', stubs.stub_snapshot_get_all)
**** CubicPower OpenStack Study **** def test_snapshot_create(self): self.stubs.Set(volume.api.API, "create_snapshot", stub_snapshot_create) self.stubs.Set(volume.api.API, 'get', stubs.stub_volume_get) snapshot_name = 'Snapshot Test Name' snapshot_description = 'Snapshot Test Desc' snapshot = { "volume_id": '12', "force": False, "name": snapshot_name, "description": snapshot_description } body = dict(snapshot=snapshot) req = fakes.HTTPRequest.blank('/v2/snapshots') resp_dict = self.controller.create(req, body) self.assertIn('snapshot', resp_dict) self.assertEqual(resp_dict['snapshot']['name'], snapshot_name) self.assertEqual(resp_dict['snapshot']['description'], snapshot_description)
**** CubicPower OpenStack Study **** def test_snapshot_create_force(self): self.stubs.Set(volume.api.API, "create_snapshot_force", stub_snapshot_create) self.stubs.Set(volume.api.API, 'get', stubs.stub_volume_get) snapshot_name = 'Snapshot Test Name' snapshot_description = 'Snapshot Test Desc' snapshot = { "volume_id": '12', "force": True, "name": snapshot_name, "description": snapshot_description } body = dict(snapshot=snapshot) req = fakes.HTTPRequest.blank('/v2/snapshots') resp_dict = self.controller.create(req, body) self.assertIn('snapshot', resp_dict) self.assertEqual(resp_dict['snapshot']['name'], snapshot_name) self.assertEqual(resp_dict['snapshot']['description'], snapshot_description) snapshot = { "volume_id": "12", "force": "**&&^^%%$$##@@", "name": "Snapshot Test Name", "description": "Snapshot Test Desc" } body = dict(snapshot=snapshot) req = fakes.HTTPRequest.blank('/v2/snapshots') self.assertRaises(exception.InvalidParameterValue, self.controller.create, req, body)
**** CubicPower OpenStack Study **** def test_snapshot_create_without_volume_id(self): snapshot_name = 'Snapshot Test Name' snapshot_description = 'Snapshot Test Desc' body = { "snapshot": { "force": True, "name": snapshot_name, "description": snapshot_description } } req = fakes.HTTPRequest.blank('/v2/snapshots') self.assertRaises(webob.exc.HTTPBadRequest, self.controller.create, req, body)
**** CubicPower OpenStack Study **** def test_snapshot_update(self): self.stubs.Set(volume.api.API, "get_snapshot", stub_snapshot_get) self.stubs.Set(volume.api.API, "update_snapshot", stubs.stub_snapshot_update) updates = { "name": "Updated Test Name", } body = {"snapshot": updates} req = fakes.HTTPRequest.blank('/v2/snapshots/%s' % UUID) res_dict = self.controller.update(req, UUID, body) expected = { 'snapshot': { 'id': UUID, 'volume_id': 12, 'status': 'available', 'size': 100, 'created_at': None, 'name': 'Updated Test Name', 'description': 'Default description', 'metadata': {}, } } self.assertEqual(expected, res_dict)
**** CubicPower OpenStack Study **** def test_snapshot_update_missing_body(self): body = {} req = fakes.HTTPRequest.blank('/v2/snapshots/%s' % UUID) self.assertRaises(webob.exc.HTTPBadRequest, self.controller.update, req, UUID, body)
**** CubicPower OpenStack Study **** def test_snapshot_update_invalid_body(self): body = {'name': 'missing top level snapshot key'} req = fakes.HTTPRequest.blank('/v2/snapshots/%s' % UUID) self.assertRaises(webob.exc.HTTPBadRequest, self.controller.update, req, UUID, body)
**** CubicPower OpenStack Study **** def test_snapshot_update_not_found(self): self.stubs.Set(volume.api.API, "get_snapshot", stub_snapshot_get) updates = { "name": "Updated Test Name", } body = {"snapshot": updates} req = fakes.HTTPRequest.blank('/v2/snapshots/not-the-uuid') self.assertRaises(webob.exc.HTTPNotFound, self.controller.update, req, 'not-the-uuid', body)
**** CubicPower OpenStack Study **** def test_snapshot_delete(self): self.stubs.Set(volume.api.API, "get_snapshot", stub_snapshot_get) self.stubs.Set(volume.api.API, "delete_snapshot", stub_snapshot_delete) snapshot_id = UUID req = fakes.HTTPRequest.blank('/v2/snapshots/%s' % snapshot_id) resp = self.controller.delete(req, snapshot_id) self.assertEqual(resp.status_int, 202)
**** CubicPower OpenStack Study **** def test_snapshot_delete_invalid_id(self): self.stubs.Set(volume.api.API, "delete_snapshot", stub_snapshot_delete) snapshot_id = INVALID_UUID req = fakes.HTTPRequest.blank('/v2/snapshots/%s' % snapshot_id) self.assertRaises(webob.exc.HTTPNotFound, self.controller.delete, req, snapshot_id)
**** CubicPower OpenStack Study **** def test_snapshot_show(self): self.stubs.Set(volume.api.API, "get_snapshot", stub_snapshot_get) req = fakes.HTTPRequest.blank('/v2/snapshots/%s' % UUID) resp_dict = self.controller.show(req, UUID) self.assertIn('snapshot', resp_dict) self.assertEqual(resp_dict['snapshot']['id'], UUID)
**** CubicPower OpenStack Study **** def test_snapshot_show_invalid_id(self): snapshot_id = INVALID_UUID req = fakes.HTTPRequest.blank('/v2/snapshots/%s' % snapshot_id) self.assertRaises(webob.exc.HTTPNotFound, self.controller.show, req, snapshot_id)
**** CubicPower OpenStack Study **** def test_snapshot_detail(self): self.stubs.Set(volume.api.API, "get_all_snapshots", stub_snapshot_get_all) req = fakes.HTTPRequest.blank('/v2/snapshots/detail') resp_dict = self.controller.detail(req) self.assertIn('snapshots', resp_dict) resp_snapshots = resp_dict['snapshots'] self.assertEqual(len(resp_snapshots), 1) resp_snapshot = resp_snapshots.pop() self.assertEqual(resp_snapshot['id'], UUID)
**** CubicPower OpenStack Study **** def test_snapshot_list_by_status(self): def stub_snapshot_get_all_by_project(context, project_id): return [ stubs.stub_snapshot(1, display_name='backup1', status='available'), stubs.stub_snapshot(2, display_name='backup2', status='available'), stubs.stub_snapshot(3, display_name='backup3', status='creating'), ] self.stubs.Set(db, 'snapshot_get_all_by_project', stub_snapshot_get_all_by_project) # no status filter req = fakes.HTTPRequest.blank('/v2/snapshots') resp = self.controller.index(req) self.assertEqual(len(resp['snapshots']), 3) # single match req = fakes.HTTPRequest.blank('/v2/snapshots?status=creating') resp = self.controller.index(req) self.assertEqual(len(resp['snapshots']), 1) self.assertEqual(resp['snapshots'][0]['status'], 'creating') # multiple match req = fakes.HTTPRequest.blank('/v2/snapshots?status=available') resp = self.controller.index(req) self.assertEqual(len(resp['snapshots']), 2) for snapshot in resp['snapshots']: self.assertEqual(snapshot['status'], 'available') # no match req = fakes.HTTPRequest.blank('/v2/snapshots?status=error') resp = self.controller.index(req) self.assertEqual(len(resp['snapshots']), 0)
**** CubicPower OpenStack Study **** def stub_snapshot_get_all_by_project(context, project_id): return [ stubs.stub_snapshot(1, display_name='backup1', status='available'), stubs.stub_snapshot(2, display_name='backup2', status='available'), stubs.stub_snapshot(3, display_name='backup3', status='creating'), ] self.stubs.Set(db, 'snapshot_get_all_by_project', stub_snapshot_get_all_by_project) # no status filter req = fakes.HTTPRequest.blank('/v2/snapshots') resp = self.controller.index(req) self.assertEqual(len(resp['snapshots']), 3) # single match req = fakes.HTTPRequest.blank('/v2/snapshots?status=creating') resp = self.controller.index(req) self.assertEqual(len(resp['snapshots']), 1) self.assertEqual(resp['snapshots'][0]['status'], 'creating') # multiple match req = fakes.HTTPRequest.blank('/v2/snapshots?status=available') resp = self.controller.index(req) self.assertEqual(len(resp['snapshots']), 2) for snapshot in resp['snapshots']: self.assertEqual(snapshot['status'], 'available') # no match req = fakes.HTTPRequest.blank('/v2/snapshots?status=error') resp = self.controller.index(req) self.assertEqual(len(resp['snapshots']), 0)
**** CubicPower OpenStack Study **** def test_snapshot_list_by_volume(self): def stub_snapshot_get_all_by_project(context, project_id): return [ stubs.stub_snapshot(1, volume_id='vol1', status='creating'), stubs.stub_snapshot(2, volume_id='vol1', status='available'), stubs.stub_snapshot(3, volume_id='vol2', status='available'), ] self.stubs.Set(db, 'snapshot_get_all_by_project', stub_snapshot_get_all_by_project) # single match req = fakes.HTTPRequest.blank('/v2/snapshots?volume_id=vol2') resp = self.controller.index(req) self.assertEqual(len(resp['snapshots']), 1) self.assertEqual(resp['snapshots'][0]['volume_id'], 'vol2') # multiple match req = fakes.HTTPRequest.blank('/v2/snapshots?volume_id=vol1') resp = self.controller.index(req) self.assertEqual(len(resp['snapshots']), 2) for snapshot in resp['snapshots']: self.assertEqual(snapshot['volume_id'], 'vol1') # multiple filters req = fakes.HTTPRequest.blank('/v2/snapshots?volume_id=vol1' '&status=available') resp = self.controller.index(req) self.assertEqual(len(resp['snapshots']), 1) self.assertEqual(resp['snapshots'][0]['volume_id'], 'vol1') self.assertEqual(resp['snapshots'][0]['status'], 'available')
**** CubicPower OpenStack Study **** def stub_snapshot_get_all_by_project(context, project_id): return [ stubs.stub_snapshot(1, volume_id='vol1', status='creating'), stubs.stub_snapshot(2, volume_id='vol1', status='available'), stubs.stub_snapshot(3, volume_id='vol2', status='available'), ] self.stubs.Set(db, 'snapshot_get_all_by_project', stub_snapshot_get_all_by_project) # single match req = fakes.HTTPRequest.blank('/v2/snapshots?volume_id=vol2') resp = self.controller.index(req) self.assertEqual(len(resp['snapshots']), 1) self.assertEqual(resp['snapshots'][0]['volume_id'], 'vol2') # multiple match req = fakes.HTTPRequest.blank('/v2/snapshots?volume_id=vol1') resp = self.controller.index(req) self.assertEqual(len(resp['snapshots']), 2) for snapshot in resp['snapshots']: self.assertEqual(snapshot['volume_id'], 'vol1') # multiple filters req = fakes.HTTPRequest.blank('/v2/snapshots?volume_id=vol1' '&status=available') resp = self.controller.index(req) self.assertEqual(len(resp['snapshots']), 1) self.assertEqual(resp['snapshots'][0]['volume_id'], 'vol1') self.assertEqual(resp['snapshots'][0]['status'], 'available')
**** CubicPower OpenStack Study **** def test_snapshot_list_by_name(self): def stub_snapshot_get_all_by_project(context, project_id): return [ stubs.stub_snapshot(1, display_name='backup1'), stubs.stub_snapshot(2, display_name='backup2'), stubs.stub_snapshot(3, display_name='backup3'), ] self.stubs.Set(db, 'snapshot_get_all_by_project', stub_snapshot_get_all_by_project) # no name filter req = fakes.HTTPRequest.blank('/v2/snapshots') resp = self.controller.index(req) self.assertEqual(len(resp['snapshots']), 3) # filter by one name req = fakes.HTTPRequest.blank('/v2/snapshots?name=backup2') resp = self.controller.index(req) self.assertEqual(len(resp['snapshots']), 1) self.assertEqual(resp['snapshots'][0]['name'], 'backup2') # filter no match req = fakes.HTTPRequest.blank('/v2/snapshots?name=backup4') resp = self.controller.index(req) self.assertEqual(len(resp['snapshots']), 0)
**** CubicPower OpenStack Study **** def stub_snapshot_get_all_by_project(context, project_id): return [ stubs.stub_snapshot(1, display_name='backup1'), stubs.stub_snapshot(2, display_name='backup2'), stubs.stub_snapshot(3, display_name='backup3'), ] self.stubs.Set(db, 'snapshot_get_all_by_project', stub_snapshot_get_all_by_project) # no name filter req = fakes.HTTPRequest.blank('/v2/snapshots') resp = self.controller.index(req) self.assertEqual(len(resp['snapshots']), 3) # filter by one name req = fakes.HTTPRequest.blank('/v2/snapshots?name=backup2') resp = self.controller.index(req) self.assertEqual(len(resp['snapshots']), 1) self.assertEqual(resp['snapshots'][0]['name'], 'backup2') # filter no match req = fakes.HTTPRequest.blank('/v2/snapshots?name=backup4') resp = self.controller.index(req) self.assertEqual(len(resp['snapshots']), 0)
**** CubicPower OpenStack Study **** def test_admin_list_snapshots_limited_to_project(self): req = fakes.HTTPRequest.blank('/v2/fake/snapshots', use_admin_context=True) res = self.controller.index(req) self.assertIn('snapshots', res) self.assertEqual(1, len(res['snapshots']))
**** CubicPower OpenStack Study **** def test_list_snapshots_with_limit_and_offset(self): def list_snapshots_with_limit_and_offset(is_admin): def stub_snapshot_get_all_by_project(context, project_id): return [ stubs.stub_snapshot(1, display_name='backup1'), stubs.stub_snapshot(2, display_name='backup2'), stubs.stub_snapshot(3, display_name='backup3'), ] self.stubs.Set(db, 'snapshot_get_all_by_project', stub_snapshot_get_all_by_project) req = fakes.HTTPRequest.blank('/v2/fake/snapshots?limit=1\ &offset=1', use_admin_context=is_admin) res = self.controller.index(req) self.assertIn('snapshots', res) self.assertEqual(1, len(res['snapshots'])) self.assertEqual(2, res['snapshots'][0]['id']) #admin case list_snapshots_with_limit_and_offset(is_admin=True) #non_admin case list_snapshots_with_limit_and_offset(is_admin=False)
**** CubicPower OpenStack Study **** def list_snapshots_with_limit_and_offset(is_admin): def stub_snapshot_get_all_by_project(context, project_id): return [ stubs.stub_snapshot(1, display_name='backup1'), stubs.stub_snapshot(2, display_name='backup2'), stubs.stub_snapshot(3, display_name='backup3'), ] self.stubs.Set(db, 'snapshot_get_all_by_project', stub_snapshot_get_all_by_project) req = fakes.HTTPRequest.blank('/v2/fake/snapshots?limit=1\ &offset=1', use_admin_context=is_admin) res = self.controller.index(req) self.assertIn('snapshots', res) self.assertEqual(1, len(res['snapshots'])) self.assertEqual(2, res['snapshots'][0]['id']) #admin case list_snapshots_with_limit_and_offset(is_admin=True) #non_admin case list_snapshots_with_limit_and_offset(is_admin=False)
**** CubicPower OpenStack Study **** def test_admin_list_snapshots_all_tenants(self): req = fakes.HTTPRequest.blank('/v2/fake/snapshots?all_tenants=1', use_admin_context=True) res = self.controller.index(req) self.assertIn('snapshots', res) self.assertEqual(3, len(res['snapshots']))
**** CubicPower OpenStack Study **** def test_all_tenants_non_admin_gets_all_tenants(self): req = fakes.HTTPRequest.blank('/v2/fake/snapshots?all_tenants=1') res = self.controller.index(req) self.assertIn('snapshots', res) self.assertEqual(1, len(res['snapshots']))
**** CubicPower OpenStack Study **** def test_non_admin_get_by_project(self): req = fakes.HTTPRequest.blank('/v2/fake/snapshots') res = self.controller.index(req) self.assertIn('snapshots', res) self.assertEqual(1, len(res['snapshots']))
**** CubicPower OpenStack Study **** def _create_snapshot_bad_body(self, body): req = fakes.HTTPRequest.blank('/v2/fake/snapshots') req.method = 'POST' self.assertRaises(webob.exc.HTTPBadRequest, self.controller.create, req, body)
**** CubicPower OpenStack Study **** def test_create_no_body(self): self._create_snapshot_bad_body(body=None)
**** CubicPower OpenStack Study **** def test_create_missing_snapshot(self): body = {'foo': {'a': 'b'}} self._create_snapshot_bad_body(body=body)
**** CubicPower OpenStack Study **** def test_create_malformed_entity(self): body = {'snapshot': 'string'} self._create_snapshot_bad_body(body=body)
**** CubicPower OpenStack Study **** class SnapshotSerializerTest(test.TestCase):
**** CubicPower OpenStack Study **** def _verify_snapshot(self, snap, tree): self.assertEqual(tree.tag, 'snapshot') for attr in ('id', 'status', 'size', 'created_at', 'name', 'description', 'volume_id'): self.assertEqual(str(snap[attr]), tree.get(attr))
**** CubicPower OpenStack Study **** def test_snapshot_show_create_serializer(self): serializer = snapshots.SnapshotTemplate() raw_snapshot = dict( id='snap_id', status='snap_status', size=1024, created_at=datetime.datetime.now(), name='snap_name', description='snap_desc', display_description='snap_desc', volume_id='vol_id', ) text = serializer.serialize(dict(snapshot=raw_snapshot)) tree = etree.fromstring(text) self._verify_snapshot(raw_snapshot, tree)
**** CubicPower OpenStack Study **** def test_snapshot_index_detail_serializer(self): serializer = snapshots.SnapshotsTemplate() raw_snapshots = [ dict( id='snap1_id', status='snap1_status', size=1024, created_at=datetime.datetime.now(), name='snap1_name', description='snap1_desc', volume_id='vol1_id', ), dict( id='snap2_id', status='snap2_status', size=1024, created_at=datetime.datetime.now(), name='snap2_name', description='snap2_desc', volume_id='vol2_id', ) ] text = serializer.serialize(dict(snapshots=raw_snapshots)) tree = etree.fromstring(text) self.assertEqual('snapshots', tree.tag) self.assertEqual(len(raw_snapshots), len(tree)) for idx, child in enumerate(tree): self._verify_snapshot(raw_snapshots[idx], child)
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