64ba589f80
More refactoring of the SQLAlchemy database layer to improve compatility with eventlet on newer Pythons. Inspired by0ce2c41404Related-Bug: 2067815 Change-Id: Ib5e9aa288232cc1b766bbf2a8ce2113d5a8e2f7d (cherry picked from commit753c44b0c4) (cherry picked from commit54b3b58428)
89 lines
2.6 KiB
Python
89 lines
2.6 KiB
Python
# Copyright (c) 2012 NTT DOCOMO, 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.
|
|
|
|
"""Watcher DB test base class."""
|
|
|
|
import fixtures
|
|
from oslo_config import cfg
|
|
from oslo_db.sqlalchemy import enginefacade
|
|
|
|
|
|
from watcher.db import api as dbapi
|
|
from watcher.db.sqlalchemy import migration
|
|
from watcher.db.sqlalchemy import models
|
|
from watcher.tests import base
|
|
from watcher.tests.db import utils
|
|
|
|
|
|
CONF = cfg.CONF
|
|
|
|
CONF.import_opt('enable_authentication', 'watcher.api.acl')
|
|
|
|
_DB_CACHE = None
|
|
|
|
|
|
class Database(fixtures.Fixture):
|
|
|
|
def __init__(self, engine, db_migrate, sql_connection):
|
|
self.sql_connection = sql_connection
|
|
|
|
self.engine = engine
|
|
self.engine.dispose()
|
|
|
|
with self.engine.connect() as conn:
|
|
self.setup_sqlite(db_migrate)
|
|
self.post_migrations()
|
|
self._DB = "".join(line for line in conn.connection.iterdump())
|
|
self.engine.dispose()
|
|
|
|
def setup_sqlite(self, db_migrate):
|
|
if db_migrate.version():
|
|
return
|
|
models.Base.metadata.create_all(self.engine)
|
|
db_migrate.stamp('head')
|
|
|
|
def setUp(self):
|
|
super(Database, self).setUp()
|
|
with self.engine.connect() as conn:
|
|
conn.connection.executescript(self._DB)
|
|
self.addCleanup(self.engine.dispose)
|
|
|
|
def post_migrations(self):
|
|
"""Any addition steps that are needed outside of the migrations."""
|
|
|
|
|
|
class DbTestCase(base.TestCase):
|
|
|
|
def get_next_id(self):
|
|
return next(self._id_gen)
|
|
|
|
def setUp(self):
|
|
cfg.CONF.set_override("enable_authentication", False)
|
|
# To use in-memory SQLite DB
|
|
cfg.CONF.set_override("connection", "sqlite://", group="database")
|
|
|
|
super(DbTestCase, self).setUp()
|
|
|
|
self.dbapi = dbapi.get_instance()
|
|
|
|
global _DB_CACHE
|
|
if not _DB_CACHE:
|
|
engine = enginefacade.writer.get_engine()
|
|
_DB_CACHE = Database(engine, migration,
|
|
sql_connection=CONF.database.connection)
|
|
engine.dispose()
|
|
self.useFixture(_DB_CACHE)
|
|
self._id_gen = utils.id_generator()
|