deb-heat/heat/tests/utils.py
Thomas Herve 2a51ee7449 Migrate to oslo.db
Move from oslo-incubator db module to oslo.db

Change-Id: I485375e3defc807e1fc272803a064b2c52e8ac13
2014-07-15 10:14:56 +02:00

126 lines
3.5 KiB
Python

#
# 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.
import random
import string
import uuid
from oslo.config import cfg
from oslo.db import options
import sqlalchemy
from heat.common import context
from heat.db import api as db_api
from heat.engine import environment
from heat.engine import parser
from heat.engine import resource
get_engine = db_api.get_engine
class UUIDStub(object):
def __init__(self, value):
self.value = value
def __enter__(self):
self.uuid4 = uuid.uuid4
uuid_stub = lambda: self.value
uuid.uuid4 = uuid_stub
def __exit__(self, *exc_info):
uuid.uuid4 = self.uuid4
def random_name():
return ''.join(random.choice(string.ascii_uppercase)
for x in range(10))
def setup_dummy_db():
options.cfg.set_defaults(options.database_opts, sqlite_synchronous=False)
options.set_defaults(cfg.CONF, connection="sqlite://", sqlite_db='heat.db')
engine = get_engine()
db_api.db_sync(engine)
engine.connect()
def reset_dummy_db():
engine = get_engine()
meta = sqlalchemy.MetaData()
meta.reflect(bind=engine)
for table in reversed(meta.sorted_tables):
if table.name == 'migrate_version':
continue
engine.execute(table.delete())
def dummy_context(user='test_username', tenant_id='test_tenant_id',
password='password', roles=None, user_id=None):
roles = roles or []
return context.RequestContext.from_dict({
'tenant_id': tenant_id,
'tenant': 'test_tenant',
'username': user,
'user_id': user_id,
'password': password,
'roles': roles,
'is_admin': False,
'auth_url': 'http://server.test:5000/v2.0',
'auth_token': 'abcd1234'
})
def parse_stack(t, params=None, stack_name='test_stack', stack_id=None,
timeout_mins=None):
params = params or {}
ctx = dummy_context()
template = parser.Template(t)
stack = parser.Stack(ctx, stack_name, template,
environment.Environment(params), stack_id,
timeout_mins=timeout_mins)
stack.store()
return stack
class PhysName(object):
mock_short_id = 'x' * 12
def __init__(self, stack_name, resource_name, limit=255):
name = '%s-%s-%s' % (stack_name,
resource_name,
self.mock_short_id)
self._physname = resource.Resource.reduce_physical_resource_name(
name, limit)
self.stack, self.res, self.sid = self._physname.rsplit('-', 2)
def __eq__(self, physical_name):
try:
stack, res, short_id = str(physical_name).rsplit('-', 2)
except ValueError:
return False
if len(short_id) != len(self.mock_short_id):
return False
# ignore the stack portion of the name, as it may have been truncated
return res == self.res
def __ne__(self, physical_name):
return not self.__eq__(physical_name)
def __repr__(self):
return self._physname