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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (c) 2012 Rackspace Hosting
# 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.
"""Unit tests for SQLAlchemy specific code."""
from sqlalchemy import Column, MetaData, Table, UniqueConstraint
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy import DateTime, Integer
from openstack.common.db import exception as db_exc
from openstack.common.db.sqlalchemy import models
from openstack.common.db.sqlalchemy import session
from tests import utils as test_utils
BASE = declarative_base()
_TABLE_NAME = '__tmp__test__tmp__'
class TmpTable(BASE, models.ModelBase):
__tablename__ = _TABLE_NAME
id = Column(Integer, primary_key=True)
foo = Column(Integer)
class SessionErrorWrapperTestCase(test_utils.BaseTestCase):
def setUp(self):
super(SessionErrorWrapperTestCase, self).setUp()
meta = MetaData()
meta.bind = session.get_engine()
test_table = Table(_TABLE_NAME, meta,
Column('id', Integer, primary_key=True,
nullable=False),
Column('deleted', Integer, default=0),
Column('deleted_at', DateTime),
Column('updated_at', DateTime),
Column('created_at', DateTime),
Column('foo', Integer),
UniqueConstraint('foo', name='uniq_foo'))
test_table.create()
def tearDown(self):
super(SessionErrorWrapperTestCase, self).tearDown()
meta = MetaData()
meta.bind = session.get_engine()
test_table = Table(_TABLE_NAME, meta, autoload=True)
test_table.drop()
def test_flush_wrapper(self):
tbl = TmpTable()
tbl.update({'foo': 10})
tbl.save()
tbl2 = TmpTable()
tbl2.update({'foo': 10})
self.assertRaises(db_exc.DBDuplicateEntry, tbl2.save)
def test_execute_wrapper(self):
_session = session.get_session()
with _session.begin():
for i in [10, 20]:
tbl = TmpTable()
tbl.update({'foo': i})
tbl.save(session=_session)
method = _session.query(TmpTable).\
filter_by(foo=10).\
update
self.assertRaises(db_exc.DBDuplicateEntry,
method, {'foo': 20})
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