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#
# 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
import mox
from oslo_config import cfg
from oslo_db import options
from oslo_serialization import jsonutils
import sqlalchemy
from heat.common import context
from heat.db.sqlalchemy import api as db_api
from heat.db.sqlalchemy import models
from heat.engine import environment
from heat.engine import node_data
from heat.engine import resource
from heat.engine import stack
from heat.engine import template
get_engine = db_api.get_engine
class UUIDStub(object):
def __init__(self, value):
self.value = value
def __enter__(self):
self.uuid4 = uuid.uuid4
uuid.uuid4 = lambda: self.value
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)
# Uncomment to log SQL
# options.cfg.set_defaults(options.database_opts, connection_debug=100)
options.set_defaults(cfg.CONF, connection="sqlite://")
engine = get_engine()
models.BASE.metadata.create_all(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='', roles=None, user_id=None,
trust_id=None, region_name=None, is_admin=False):
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': is_admin,
'auth_url': 'http://server.test:5000/v2.0',
'auth_token': 'abcd1234',
'trust_id': trust_id,
'region_name': region_name
})
def parse_stack(t, params=None, files=None, stack_name=None,
stack_id=None, timeout_mins=None, cache_data=None):
params = params or {}
files = files or {}
ctx = dummy_context()
templ = template.Template(t, files=files,
env=environment.Environment(params))
templ.store(ctx)
if stack_name is None:
stack_name = random_name()
if cache_data is not None:
cache_data = {n: node_data.NodeData.from_dict(d)
for n, d in cache_data.items()}
stk = stack.Stack(ctx, stack_name, templ, stack_id=stack_id,
timeout_mins=timeout_mins, cache_data=cache_data)
stk.store()
return stk
def update_stack(stk, new_t, params=None, files=None):
ctx = dummy_context()
templ = template.Template(new_t, files=files,
env=environment.Environment(params))
updated_stack = stack.Stack(ctx, 'updated_stack', templ)
stk.update(updated_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:
stk, res, short_id = str(physical_name).rsplit('-', 2)
except ValueError:
return False
if len(short_id) != len(self.mock_short_id):
return False
# stack name may have been truncated
if (not isinstance(self.stack, PhysName) and
3 < len(stk) < len(self.stack)):
our_stk = self.stack[:2] + '-' + self.stack[3 - len(stk):]
else:
our_stk = self.stack
return (stk == our_stk) and (res == self.res)
def __hash__(self):
return hash(self.stack) ^ hash(self.res)
def __ne__(self, physical_name):
return not self.__eq__(physical_name)
def __repr__(self):
return self._physname
def recursive_sort(obj):
"""Recursively sort list in iterables for comparison."""
if isinstance(obj, dict):
for v in obj.values():
recursive_sort(v)
elif isinstance(obj, list):
obj.sort()
for i in obj:
recursive_sort(i)
return obj
class JsonEquals(mox.Comparator):
"""Comparison class used to check if two json strings equal.
If a dict is dumped to json, the order is undecided, so load the string
back to an object for comparison
"""
def __init__(self, other_json):
self.other_json = other_json
def equals(self, rhs):
return jsonutils.loads(self.other_json) == jsonutils.loads(rhs)
def __repr__(self):
return "<equals to json '%s'>" % self.other_json
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