deb-ceilometer/ceilometer/tests/base.py
Julien Danjou a5f8d66d6e Upgrade to hacking 0.10
Change-Id: Ia567c3aeb7f8516d0834dc8e4c3852e43a687043
2015-01-23 17:43:04 +01:00

115 lines
3.8 KiB
Python

#!/usr/bin/env python
#
# Copyright 2012 New Dream Network (DreamHost)
#
# 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.
"""Test base classes.
"""
import functools
import os.path
import eventlet
import oslo.messaging.conffixture
from oslo_utils import timeutils
from oslotest import base
from oslotest import mockpatch
import six
from testtools import testcase
import webtest
import ceilometer
from ceilometer import messaging
class BaseTestCase(base.BaseTestCase):
def setup_messaging(self, conf, exchange=None):
self.useFixture(oslo.messaging.conffixture.ConfFixture(conf))
conf.set_override("notification_driver", "messaging")
if not exchange:
exchange = 'ceilometer'
conf.set_override("control_exchange", exchange)
# NOTE(sileht): oslo.messaging fake driver uses time.sleep
# for task switch, so we need to monkey_patch it
# and also ensure the correct exchange have been set
eventlet.monkey_patch(time=True)
# NOTE(sileht): Ensure a new oslo.messaging driver is loaded
# between each tests
self.transport = messaging.get_transport("fake://", cache=False)
self.useFixture(mockpatch.Patch(
'ceilometer.messaging.get_transport',
return_value=self.transport))
def assertTimestampEqual(self, first, second, msg=None):
"""Checks that two timestamps are equals.
This relies on assertAlmostEqual to avoid rounding problem, and only
checks up the first microsecond values.
"""
return self.assertAlmostEqual(
timeutils.delta_seconds(first, second),
0.0,
places=5)
def assertIsEmpty(self, obj):
try:
if len(obj) != 0:
self.fail("%s is not empty" % type(obj))
except (TypeError, AttributeError):
self.fail("%s doesn't have length" % type(obj))
def assertIsNotEmpty(self, obj):
try:
if len(obj) == 0:
self.fail("%s is empty" % type(obj))
except (TypeError, AttributeError):
self.fail("%s doesn't have length" % type(obj))
@staticmethod
def path_get(project_file=None):
root = os.path.abspath(os.path.join(os.path.dirname(__file__),
'..',
'..',
)
)
if project_file:
return os.path.join(root, project_file)
else:
return root
def _skip_decorator(func):
@functools.wraps(func)
def skip_if_not_implemented(*args, **kwargs):
try:
return func(*args, **kwargs)
except ceilometer.NotImplementedError as e:
raise testcase.TestSkipped(six.text_type(e))
except webtest.app.AppError as e:
if 'not implemented' in six.text_type(e):
raise testcase.TestSkipped(six.text_type(e))
raise
return skip_if_not_implemented
class SkipNotImplementedMeta(type):
def __new__(cls, name, bases, local):
for attr in local:
value = local[attr]
if callable(value) and (
attr.startswith('test_') or attr == 'setUp'):
local[attr] = _skip_decorator(value)
return type.__new__(cls, name, bases, local)