Fix cinderlib tests
The persistence tests were broken when run with zed cinder. Co-authored-by: Rajat Dhasmana <rajatdhasmana@gmail.com> Co-authored-by: Brian Rosmaita <rosmaita.fossdev@gmail.com> Change-Id: I4981ad558195895341c91fa37803713c8c0ab684 Closes-bug: #1996738
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@ -180,7 +180,7 @@ class DBPersistence(persistence_base.PersistenceDriverBase):
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return result
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def _get_kv(self, key=None, session=None):
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session = session or sqla_api.get_session()
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session = objects.CONTEXT.session
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query = session.query(KeyValue)
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if key is not None:
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query = query.filter_by(key=key)
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@ -301,12 +301,11 @@ class DBPersistence(persistence_base.PersistenceDriverBase):
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super(DBPersistence, self).set_connection(connection)
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def set_key_value(self, key_value):
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session = sqla_api.get_session()
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with session.begin():
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kv = self._get_kv(key_value.key, session)
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kv = kv[0] if kv else KeyValue(key=key_value.key)
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kv.value = key_value.value
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session.add(kv)
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session = objects.CONTEXT.session
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kv = self._get_kv(key_value.key, session)
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kv = kv[0] if kv else KeyValue(key=key_value.key)
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kv.value = key_value.value
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session.add(kv)
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def delete_volume(self, volume):
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delete_type = (volume.volume_type_id != self.DEFAULT_TYPE.id
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@ -372,7 +371,8 @@ class DBPersistence(persistence_base.PersistenceDriverBase):
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super(DBPersistence, self).delete_connection(connection)
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def delete_key_value(self, key_value):
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query = sqla_api.get_session().query(KeyValue)
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session = objects.CONTEXT.session
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query = session.query(KeyValue)
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query.filter_by(key=key_value.key).delete()
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@ -27,6 +27,8 @@ class BasePersistenceTest(helper.TestHelper):
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def setUp(self):
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super(BasePersistenceTest, self).setUp()
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self.backend_name = 'fake_backend'
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self.backend = utils.FakeBackend(volume_backend_name=self.backend_name)
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def assertListEqualObj(self, expected, actual):
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exp = [self._convert_to_dict(e) for e in expected]
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@ -69,7 +69,12 @@ class TestHelper(base.BaseTest):
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d.setdefault('backend_or_vol', self.backend)
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vol = cinderlib.Volume(**d)
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vols.append(vol)
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self.persistence.set_volume(vol)
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# db_instance is a property of DBMS plugin
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if hasattr(self.persistence, 'db_instance'):
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with api.main_context_manager.writer.using(self.context):
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self.persistence.set_volume(vol)
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else:
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self.persistence.set_volume(vol)
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if sort:
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return self.sorted(vols)
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return vols
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@ -98,7 +103,12 @@ class TestHelper(base.BaseTest):
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for i in range(2):
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kv = cinderlib.KeyValue(key='key%i' % i, value='value%i' % i)
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kvs.append(kv)
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self.persistence.set_key_value(kv)
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# db_instance is a property of DBMS plugin
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if hasattr(self.persistence, 'db_instance'):
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with api.main_context_manager.writer.using(self.context):
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self.persistence.set_key_value(kv)
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else:
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self.persistence.set_key_value(kv)
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return kvs
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def _convert_to_dict(self, obj):
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@ -32,11 +32,14 @@ class TestDBPersistence(base.BasePersistenceTest):
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'connection': CONNECTION}
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def tearDown(self):
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sqla_api.model_query(self.context, sqla_models.Snapshot).delete()
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sqla_api.model_query(self.context,
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sqla_models.VolumeAttachment).delete()
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sqla_api.model_query(self.context, sqla_models.Volume).delete()
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sqla_api.get_session().query(dbms.KeyValue).delete()
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with sqla_api.main_context_manager.writer.using(self.context):
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sqla_api.model_query(self.context, sqla_models.Snapshot).delete()
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sqla_api.model_query(self.context,
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sqla_models.VolumeAttachment).delete()
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sqla_api.model_query(self.context, sqla_models.Volume).delete()
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self.context.session.query(dbms.KeyValue).delete()
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# FIXME: should this be inside or outside the context manager?
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# Doesn't seem to matter for our current tests.
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super(TestDBPersistence, self).tearDown()
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def test_db(self):
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@ -98,13 +101,16 @@ class TestDBPersistence(base.BasePersistenceTest):
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self.assertEqualObj(conn, cl_conn)
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def test_set_key_values(self):
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res = sqla_api.get_session().query(dbms.KeyValue).all()
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with sqla_api.main_context_manager.reader.using(self.context):
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res = self.context.session.query(dbms.KeyValue).all()
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self.assertListEqual([], res)
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expected = [dbms.KeyValue(key='key', value='value')]
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self.persistence.set_key_value(expected[0])
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with sqla_api.main_context_manager.writer.using(self.context):
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self.persistence.set_key_value(expected[0])
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actual = sqla_api.get_session().query(dbms.KeyValue).all()
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with sqla_api.main_context_manager.reader.using(self.context):
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actual = self.context.session.query(dbms.KeyValue).all()
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self.assertListEqualObj(expected, actual)
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def test_create_volume_with_default_volume_type(self):
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@ -122,20 +128,120 @@ class TestDBPersistence(base.BasePersistenceTest):
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self.assertEqual('__DEFAULT__', self.persistence.DEFAULT_TYPE.name)
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def test_delete_volume_with_metadata(self):
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# FIXME: figure out why this sometimes (often enough to skip)
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# raises sqlite3.OperationalError: database is locked
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if not isinstance(self, TestMemoryDBPersistence):
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self.skipTest("FIXME!")
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vols = self.create_volumes([{'size': i, 'name': 'disk%s' % i,
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'metadata': {'k': 'v', 'k2': 'v2'},
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'admin_metadata': {'k': '1'}}
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for i in range(1, 3)])
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self.persistence.delete_volume(vols[0])
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res = self.persistence.get_volumes()
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with sqla_api.main_context_manager.writer.using(self.context):
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self.persistence.delete_volume(vols[0])
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with sqla_api.main_context_manager.reader.using(self.context):
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res = self.persistence.get_volumes()
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self.assertListEqualObj([vols[1]], res)
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for model in (dbms.models.VolumeMetadata,
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dbms.models.VolumeAdminMetadata):
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query = dbms.sqla_api.model_query(self.context, model)
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with sqla_api.main_context_manager.reader.using(self.context):
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query = dbms.sqla_api.model_query(self.context, model)
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res = query.filter_by(volume_id=vols[0].id).all()
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self.assertEqual([], res)
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def test_delete_volume(self):
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vols = self.create_n_volumes(2)
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with sqla_api.main_context_manager.writer.using(self.context):
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self.persistence.delete_volume(vols[0])
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res = self.persistence.get_volumes()
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self.assertListEqualObj([vols[1]], res)
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def test_delete_volume_not_found(self):
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vols = self.create_n_volumes(2)
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fake_vol = cinderlib.Volume(backend_or_vol=self.backend)
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with sqla_api.main_context_manager.writer.using(self.context):
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self.persistence.delete_volume(fake_vol)
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res = self.persistence.get_volumes()
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self.assertListEqualObj(vols, self.sorted(res))
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def test_get_snapshots_by_multiple_not_found(self):
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with sqla_api.main_context_manager.writer.using(self.context):
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snaps = self.create_snapshots()
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with sqla_api.main_context_manager.reader.using(self.context):
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res = self.persistence.get_snapshots(snapshot_name=snaps[1].name,
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volume_id=snaps[0].volume.id)
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self.assertListEqualObj([], res)
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def test_delete_snapshot(self):
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with sqla_api.main_context_manager.writer.using(self.context):
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snaps = self.create_snapshots()
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self.persistence.delete_snapshot(snaps[0])
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with sqla_api.main_context_manager.reader.using(self.context):
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res = self.persistence.get_snapshots()
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self.assertListEqualObj([snaps[1]], res)
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def test_delete_snapshot_not_found(self):
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with sqla_api.main_context_manager.writer.using(self.context):
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snaps = self.create_snapshots()
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fake_snap = cinderlib.Snapshot(snaps[0].volume)
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with sqla_api.main_context_manager.writer.using(self.context):
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self.persistence.delete_snapshot(fake_snap)
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with sqla_api.main_context_manager.reader.using(self.context):
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res = self.persistence.get_snapshots()
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self.assertListEqualObj(snaps, self.sorted(res))
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def test_delete_connection(self):
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conns = self.create_connections()
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with sqla_api.main_context_manager.writer.using(self.context):
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self.persistence.delete_connection(conns[1])
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with sqla_api.main_context_manager.reader.using(self.context):
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res = self.persistence.get_connections()
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self.assertListEqualObj([conns[0]], res)
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def test_delete_connection_not_found(self):
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conns = self.create_connections()
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fake_conn = cinderlib.Connection(
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self.backend,
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volume=conns[0].volume,
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connection_info={'conn': {'data': {}}})
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with sqla_api.main_context_manager.writer.using(self.context):
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self.persistence.delete_connection(fake_conn)
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with sqla_api.main_context_manager.reader.using(self.context):
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res = self.persistence.get_connections()
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self.assertListEqualObj(conns, self.sorted(res))
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def test_get_key_values_by_key(self):
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with sqla_api.main_context_manager.writer.using(self.context):
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kvs = self.create_key_values()
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with sqla_api.main_context_manager.reader.using(self.context):
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res = self.persistence.get_key_values(key=kvs[1].key)
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self.assertListEqual([kvs[1]], res)
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def test_get_key_values_by_key_not_found(self):
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with sqla_api.main_context_manager.writer.using(self.context):
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self.create_key_values()
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with sqla_api.main_context_manager.reader.using(self.context):
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res = self.persistence.get_key_values(key='fake-uuid')
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self.assertListEqual([], res)
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def test_delete_key_value(self):
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kvs = self.create_key_values()
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with sqla_api.main_context_manager.writer.using(self.context):
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self.persistence.delete_key_value(kvs[1])
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with sqla_api.main_context_manager.reader.using(self.context):
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res = self.persistence.get_key_values()
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self.assertListEqual([kvs[0]], res)
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def test_delete_key_not_found(self):
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kvs = self.create_key_values()
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fake_key = cinderlib.KeyValue('fake-key')
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with sqla_api.main_context_manager.writer.using(self.context):
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self.persistence.delete_key_value(fake_key)
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with sqla_api.main_context_manager.reader.using(self.context):
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res = self.persistence.get_key_values()
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self.assertListEqual(kvs, self.sorted(res, 'key'))
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class TestDBPersistenceNewerSchema(base.helper.TestHelper):
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"""Test DBMS plugin can start when the DB has a newer schema."""
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9
tox.ini
9
tox.ini
@ -36,7 +36,14 @@ deps =
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commands =
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find . -ignore_readdir_race -type f -name "*.pyc" -delete
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stestr run {posargs}
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# FIXME: figure out why these need to be run in extreme isolation
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stestr run --exclude-regex cinderlib.tests.unit.persistence.test_dbms {posargs}
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stestr run --combine {posargs} cinderlib.tests.unit.persistence.test_dbms.TestDBPersistence
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stestr run --combine {posargs} cinderlib.tests.unit.persistence.test_dbms.TestMemoryDBPersistence
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# TODO: figure out how to arrange the above so that you can run a
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# a single test. For example, invoking
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# tox -e py310 -- cinderlib.tests.unit.test_cinderlib.TestCinderlib.test__set_priv_helper
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# runs that test and then TestDBPersistence tests and then TestMemoryDBPersistence tests
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stestr slowest
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allowlist_externals =
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