102 lines
3.2 KiB
Python
102 lines
3.2 KiB
Python
# Copyright (c) 2012 NTT DOCOMO, INC.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Magnum DB test base class."""
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import os
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import shutil
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import fixtures
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from oslo.config import cfg
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from magnum.common import paths
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from magnum.db import api as dbapi
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from magnum.db.sqlalchemy import api as sqla_api
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from magnum.db.sqlalchemy import migration
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from magnum.db.sqlalchemy import models
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from magnum.tests import base
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CONF = cfg.CONF
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_DB_CACHE = None
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class Database(fixtures.Fixture):
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def __init__(self, db_api, db_migrate, sql_connection,
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sqlite_db, sqlite_clean_db):
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self.sql_connection = sql_connection
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self.sqlite_db = sqlite_db
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self.sqlite_clean_db = sqlite_clean_db
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self.engine = db_api.get_engine()
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self.engine.dispose()
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conn = self.engine.connect()
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if sql_connection == "sqlite://":
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self.setup_sqlite(db_migrate)
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elif sql_connection.startswith('sqlite:///'):
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testdb = paths.state_path_rel(sqlite_db)
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if os.path.exists(testdb):
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return
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self.setup_sqlite(db_migrate)
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else:
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db_migrate.upgrade('head')
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self.post_migrations()
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if sql_connection == "sqlite://":
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conn = self.engine.connect()
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self._DB = "".join(line for line in conn.connection.iterdump())
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self.engine.dispose()
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else:
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cleandb = paths.state_path_rel(sqlite_clean_db)
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shutil.copyfile(testdb, cleandb)
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def setup_sqlite(self, db_migrate):
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if db_migrate.version():
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return
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models.Base.metadata.create_all(self.engine)
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db_migrate.stamp('head')
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def setUp(self):
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super(Database, self).setUp()
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if self.sql_connection == "sqlite://":
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conn = self.engine.connect()
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conn.connection.executescript(self._DB)
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self.addCleanup(self.engine.dispose)
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else:
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shutil.copyfile(paths.state_path_rel(self.sqlite_clean_db),
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paths.state_path_rel(self.sqlite_db))
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self.addCleanup(os.unlink, self.sqlite_db)
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def post_migrations(self):
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"""Any addition steps that are needed outside of the migrations."""
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class DbTestCase(base.TestCase):
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def setUp(self):
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super(DbTestCase, self).setUp()
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self.dbapi = dbapi.get_instance()
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global _DB_CACHE
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if not _DB_CACHE:
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_DB_CACHE = Database(sqla_api, migration,
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sql_connection=CONF.database.connection,
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sqlite_db=CONF.database.sqlite_db,
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sqlite_clean_db='clean.sqlite')
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self.useFixture(_DB_CACHE)
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