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# Copyright 2017 Huawei Technologies Co.,LTD.
# 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.
"""Cyborg DB test base class."""
import fixtures
from oslo_config import cfg
from oslo_db.sqlalchemy import enginefacade
from cyborg.db import api as dbapi
from cyborg.db.sqlalchemy import migration
from cyborg.db.sqlalchemy import models
from cyborg.tests import base
CONF = cfg.CONF
_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()
conn = self.engine.connect()
self.setup_sqlite(db_migrate)
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()
conn = self.engine.connect()
conn.connection.executescript(self._DB)
self.addCleanup(self.engine.dispose)
class DbTestCase(base.TestCase):
def setUp(self):
super(DbTestCase, self).setUp()
self.dbapi = dbapi.get_instance()
global _DB_CACHE
if not _DB_CACHE:
engine = enginefacade.get_legacy_facade().get_engine()
_DB_CACHE = Database(engine, migration,
sql_connection=CONF.database.connection)
self.useFixture(_DB_CACHE)
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