# Copyright (c) 2013 eBay Inc. # Copyright (c) 2013 OpenStack Foundation # # 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. """ Unit Tests for qos specs internal API """ import time from oslo_db import exception as db_exc from cinder import context from cinder import db from cinder import exception from cinder import test from cinder.volume import qos_specs from cinder.volume import volume_types def fake_db_qos_specs_create(context, values): if values['name'] == 'DupQoSName': raise exception.QoSSpecsExists(specs_id=values['name']) elif values['name'] == 'FailQoSName': raise db_exc.DBError() pass class QoSSpecsTestCase(test.TestCase): """Test cases for qos specs code.""" def setUp(self): super(QoSSpecsTestCase, self).setUp() self.ctxt = context.get_admin_context() def _create_qos_specs(self, name, values=None): """Create a transfer object.""" if values: specs = dict(name=name, qos_specs=values) else: specs = {'name': name, 'qos_specs': { 'consumer': 'back-end', 'key1': 'value1', 'key2': 'value2'}} return db.qos_specs_create(self.ctxt, specs)['id'] def test_create(self): input = {'key1': 'value1', 'key2': 'value2', 'key3': 'value3'} ref = qos_specs.create(self.ctxt, 'FakeName', input) specs = qos_specs.get_qos_specs(self.ctxt, ref['id']) expected = (dict(consumer='back-end')) expected.update(dict(id=ref['id'])) expected.update(dict(name='FakeName')) del input['consumer'] expected.update(dict(specs=input)) self.assertDictMatch(expected, specs) self.stubs.Set(db, 'qos_specs_create', fake_db_qos_specs_create) # qos specs must have unique name self.assertRaises(exception.QoSSpecsExists, qos_specs.create, self.ctxt, 'DupQoSName', input) input.update({'consumer': 'FakeConsumer'}) # consumer must be one of: front-end, back-end, both self.assertRaises(exception.InvalidQoSSpecs, qos_specs.create, self.ctxt, 'QoSName', input) del input['consumer'] # able to catch DBError self.assertRaises(exception.QoSSpecsCreateFailed, qos_specs.create, self.ctxt, 'FailQoSName', input) def test_update(self): def fake_db_update(context, specs_id, values): raise db_exc.DBError() input = {'key1': 'value1', 'consumer': 'WrongPlace'} # consumer must be one of: front-end, back-end, both self.assertRaises(exception.InvalidQoSSpecs, qos_specs.update, self.ctxt, 'fake_id', input) input['consumer'] = 'front-end' # qos specs must exists self.assertRaises(exception.QoSSpecsNotFound, qos_specs.update, self.ctxt, 'fake_id', input) specs_id = self._create_qos_specs('Name', input) qos_specs.update(self.ctxt, specs_id, {'key1': 'newvalue1', 'key2': 'value2'}) specs = qos_specs.get_qos_specs(self.ctxt, specs_id) self.assertEqual('newvalue1', specs['specs']['key1']) self.assertEqual('value2', specs['specs']['key2']) self.stubs.Set(db, 'qos_specs_update', fake_db_update) self.assertRaises(exception.QoSSpecsUpdateFailed, qos_specs.update, self.ctxt, 'fake_id', input) def test_delete(self): def fake_db_associations_get(context, id): if id == 'InUse': return True else: return False def fake_db_delete(context, id): if id == 'NotFound': raise exception.QoSSpecsNotFound(specs_id=id) def fake_disassociate_all(context, id): pass self.stubs.Set(db, 'qos_specs_associations_get', fake_db_associations_get) self.stubs.Set(qos_specs, 'disassociate_all', fake_disassociate_all) self.stubs.Set(db, 'qos_specs_delete', fake_db_delete) self.assertRaises(exception.InvalidQoSSpecs, qos_specs.delete, self.ctxt, None) self.assertRaises(exception.QoSSpecsNotFound, qos_specs.delete, self.ctxt, 'NotFound') self.assertRaises(exception.QoSSpecsInUse, qos_specs.delete, self.ctxt, 'InUse') # able to delete in-use qos specs if force=True qos_specs.delete(self.ctxt, 'InUse', force=True) def test_delete_keys(self): def fake_db_qos_delete_key(context, id, key): if key == 'NotFound': raise exception.QoSSpecsKeyNotFound(specs_id=id, specs_key=key) else: pass def fake_qos_specs_get(context, id): if id == 'NotFound': raise exception.QoSSpecsNotFound(specs_id=id) else: pass value = dict(consumer='front-end', foo='Foo', bar='Bar', zoo='tiger') specs_id = self._create_qos_specs('QoSName', value) qos_specs.delete_keys(self.ctxt, specs_id, ['foo', 'bar']) del value['consumer'] del value['foo'] del value['bar'] expected = {'name': 'QoSName', 'id': specs_id, 'consumer': 'front-end', 'specs': value} specs = qos_specs.get_qos_specs(self.ctxt, specs_id) self.assertDictMatch(expected, specs) self.stubs.Set(qos_specs, 'get_qos_specs', fake_qos_specs_get) self.stubs.Set(db, 'qos_specs_item_delete', fake_db_qos_delete_key) self.assertRaises(exception.InvalidQoSSpecs, qos_specs.delete_keys, self.ctxt, None, []) self.assertRaises(exception.QoSSpecsNotFound, qos_specs.delete_keys, self.ctxt, 'NotFound', []) self.assertRaises(exception.QoSSpecsKeyNotFound, qos_specs.delete_keys, self.ctxt, 'Found', ['NotFound']) self.assertRaises(exception.QoSSpecsKeyNotFound, qos_specs.delete_keys, self.ctxt, 'Found', ['foo', 'bar', 'NotFound']) def test_get_associations(self): def fake_db_associate_get(context, id): if id == 'Trouble': raise db_exc.DBError() return [{'name': 'type-1', 'id': 'id-1'}, {'name': 'type-2', 'id': 'id-2'}] self.stubs.Set(db, 'qos_specs_associations_get', fake_db_associate_get) expected1 = {'association_type': 'volume_type', 'name': 'type-1', 'id': 'id-1'} expected2 = {'association_type': 'volume_type', 'name': 'type-2', 'id': 'id-2'} res = qos_specs.get_associations(self.ctxt, 'specs-id') self.assertIn(expected1, res) self.assertIn(expected2, res) self.assertRaises(exception.CinderException, qos_specs.get_associations, self.ctxt, 'Trouble') def test_associate_qos_with_type(self): def fake_qos_specs_get(context, id): if id == 'NotFound': raise exception.QoSSpecsNotFound(specs_id=id) else: pass def fake_db_associate(context, id, type_id): if id == 'Trouble': raise db_exc.DBError() elif type_id == 'NotFound': raise exception.VolumeTypeNotFound(volume_type_id=type_id) pass def fake_vol_type_qos_get(type_id): if type_id == 'Invalid': return {'qos_specs': {'id': 'Invalid'}} else: return {'qos_specs': None} type_ref = volume_types.create(self.ctxt, 'TypeName') specs_id = self._create_qos_specs('QoSName') qos_specs.associate_qos_with_type(self.ctxt, specs_id, type_ref['id']) res = qos_specs.get_associations(self.ctxt, specs_id) self.assertEqual(1, len(res)) self.assertEqual('TypeName', res[0]['name']) self.assertEqual(type_ref['id'], res[0]['id']) self.stubs.Set(db, 'qos_specs_associate', fake_db_associate) self.stubs.Set(qos_specs, 'get_qos_specs', fake_qos_specs_get) self.stubs.Set(volume_types, 'get_volume_type_qos_specs', fake_vol_type_qos_get) self.assertRaises(exception.VolumeTypeNotFound, qos_specs.associate_qos_with_type, self.ctxt, 'specs-id', 'NotFound') self.assertRaises(exception.QoSSpecsAssociateFailed, qos_specs.associate_qos_with_type, self.ctxt, 'Trouble', 'id') self.assertRaises(exception.QoSSpecsNotFound, qos_specs.associate_qos_with_type, self.ctxt, 'NotFound', 'id') self.assertRaises(exception.InvalidVolumeType, qos_specs.associate_qos_with_type, self.ctxt, 'specs-id', 'Invalid') def test_disassociate_qos_specs(self): def fake_qos_specs_get(context, id): if id == 'NotFound': raise exception.QoSSpecsNotFound(specs_id=id) else: pass def fake_db_disassociate(context, id, type_id): if id == 'Trouble': raise db_exc.DBError() elif type_id == 'NotFound': raise exception.VolumeTypeNotFound(volume_type_id=type_id) pass type_ref = volume_types.create(self.ctxt, 'TypeName') specs_id = self._create_qos_specs('QoSName') qos_specs.associate_qos_with_type(self.ctxt, specs_id, type_ref['id']) res = qos_specs.get_associations(self.ctxt, specs_id) self.assertEqual(1, len(res)) qos_specs.disassociate_qos_specs(self.ctxt, specs_id, type_ref['id']) res = qos_specs.get_associations(self.ctxt, specs_id) self.assertEqual(0, len(res)) self.stubs.Set(db, 'qos_specs_disassociate', fake_db_disassociate) self.stubs.Set(qos_specs, 'get_qos_specs', fake_qos_specs_get) self.assertRaises(exception.VolumeTypeNotFound, qos_specs.disassociate_qos_specs, self.ctxt, 'specs-id', 'NotFound') self.assertRaises(exception.QoSSpecsDisassociateFailed, qos_specs.disassociate_qos_specs, self.ctxt, 'Trouble', 'id') def test_disassociate_all(self): def fake_db_disassociate_all(context, id): if id == 'Trouble': raise db_exc.DBError() pass def fake_qos_specs_get(context, id): if id == 'NotFound': raise exception.QoSSpecsNotFound(specs_id=id) else: pass type1_ref = volume_types.create(self.ctxt, 'TypeName1') type2_ref = volume_types.create(self.ctxt, 'TypeName2') specs_id = self._create_qos_specs('QoSName') qos_specs.associate_qos_with_type(self.ctxt, specs_id, type1_ref['id']) qos_specs.associate_qos_with_type(self.ctxt, specs_id, type2_ref['id']) res = qos_specs.get_associations(self.ctxt, specs_id) self.assertEqual(2, len(res)) qos_specs.disassociate_all(self.ctxt, specs_id) res = qos_specs.get_associations(self.ctxt, specs_id) self.assertEqual(0, len(res)) self.stubs.Set(db, 'qos_specs_disassociate_all', fake_db_disassociate_all) self.stubs.Set(qos_specs, 'get_qos_specs', fake_qos_specs_get) self.assertRaises(exception.QoSSpecsDisassociateFailed, qos_specs.disassociate_all, self.ctxt, 'Trouble') def test_get_all_specs(self): input = {'key1': 'value1', 'key2': 'value2', 'key3': 'value3', 'consumer': 'both'} specs_id1 = self._create_qos_specs('Specs1', input) input.update({'key4': 'value4'}) specs_id2 = self._create_qos_specs('Specs2', input) expected1 = { 'id': specs_id1, 'name': 'Specs1', 'consumer': 'both', 'specs': {'key1': 'value1', 'key2': 'value2', 'key3': 'value3'}} expected2 = { 'id': specs_id2, 'name': 'Specs2', 'consumer': 'both', 'specs': {'key1': 'value1', 'key2': 'value2', 'key3': 'value3', 'key4': 'value4'}} res = qos_specs.get_all_specs(self.ctxt) self.assertEqual(2, len(res)) self.assertIn(expected1, res) self.assertIn(expected2, res) def test_get_qos_specs(self): one_time_value = str(int(time.time())) input = {'key1': one_time_value, 'key2': 'value2', 'key3': 'value3', 'consumer': 'both'} id = self._create_qos_specs('Specs1', input) specs = qos_specs.get_qos_specs(self.ctxt, id) self.assertEqual(one_time_value, specs['specs']['key1']) self.assertRaises(exception.InvalidQoSSpecs, qos_specs.get_qos_specs, self.ctxt, None) def test_get_qos_specs_by_name(self): one_time_value = str(int(time.time())) input = {'key1': one_time_value, 'key2': 'value2', 'key3': 'value3', 'consumer': 'back-end'} self._create_qos_specs(one_time_value, input) specs = qos_specs.get_qos_specs_by_name(self.ctxt, one_time_value) self.assertEqual(one_time_value, specs['specs']['key1']) self.assertRaises(exception.InvalidQoSSpecs, qos_specs.get_qos_specs_by_name, self.ctxt, None)