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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 fixtures
import logging
import mox
import os
import sys
import time
import testscenarios
import testtools
from oslo.config import cfg
from heat.openstack.common.fixture import mockpatch
from heat.engine import environment
from heat.engine import resources
from heat.engine import scheduler
class HeatTestCase(testscenarios.WithScenarios, testtools.TestCase):
TIME_STEP = 0.1
def setUp(self):
super(HeatTestCase, self).setUp()
self.m = mox.Mox()
self.addCleanup(self.m.UnsetStubs)
self.logger = self.useFixture(fixtures.FakeLogger(level=logging.DEBUG))
scheduler.ENABLE_SLEEP = False
self.useFixture(fixtures.MonkeyPatch(
'heat.common.exception._FATAL_EXCEPTION_FORMAT_ERRORS',
True))
def enable_sleep():
scheduler.ENABLE_SLEEP = True
self.addCleanup(enable_sleep)
mod_dir = os.path.dirname(sys.modules[__name__].__file__)
project_dir = os.path.abspath(os.path.join(mod_dir, '../../'))
env_dir = os.path.join(project_dir, 'etc', 'heat',
'environment.d')
cfg.CONF.set_default('environment_dir', env_dir)
cfg.CONF.set_override('allowed_rpc_exception_modules',
['heat.common.exception', 'exceptions'])
self.addCleanup(cfg.CONF.reset)
tri = resources.global_env().get_resource_info(
'AWS::RDS::DBInstance',
registry_type=environment.TemplateResourceInfo)
if tri is not None:
cur_path = tri.template_name
templ_path = os.path.join(project_dir, 'etc', 'heat', 'templates')
if templ_path not in cur_path:
tri.template_name = cur_path.replace('/etc/heat/templates',
templ_path)
def stub_wallclock(self):
"""
Overrides scheduler wallclock to speed up tests expecting timeouts.
"""
self._wallclock = time.time()
def fake_wallclock():
self._wallclock += self.TIME_STEP
return self._wallclock
self.m.StubOutWithMock(scheduler, 'wallclock')
scheduler.wallclock = fake_wallclock
def patchobject(self, obj, attr):
mockfixture = self.useFixture(mockpatch.PatchObject(obj, attr))
return mockfixture.mock
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