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# Copyright 2010-2011 OpenStack Foundation
# Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
#
# 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 os
import fixtures
import logging
import munch
import pprint
from six import StringIO
import testtools
import testtools.content
_TRUE_VALUES = ('true', '1', 'yes')
class TestCase(testtools.TestCase):
"""Test case base class for all tests."""
# A way to adjust slow test classes
TIMEOUT_SCALING_FACTOR = 1.0
def setUp(self):
"""Run before each test method to initialize test environment."""
super(TestCase, self).setUp()
test_timeout = int(os.environ.get('OS_TEST_TIMEOUT', 0))
try:
test_timeout = int(test_timeout * self.TIMEOUT_SCALING_FACTOR)
except ValueError:
# If timeout value is invalid do not set a timeout.
test_timeout = 0
if test_timeout > 0:
self.useFixture(fixtures.Timeout(test_timeout, gentle=True))
self.useFixture(fixtures.NestedTempfile())
self.useFixture(fixtures.TempHomeDir())
if os.environ.get('OS_STDOUT_CAPTURE') in _TRUE_VALUES:
stdout = self.useFixture(fixtures.StringStream('stdout')).stream
self.useFixture(fixtures.MonkeyPatch('sys.stdout', stdout))
if os.environ.get('OS_STDERR_CAPTURE') in _TRUE_VALUES:
stderr = self.useFixture(fixtures.StringStream('stderr')).stream
self.useFixture(fixtures.MonkeyPatch('sys.stderr', stderr))
self._log_stream = StringIO()
if os.environ.get('OS_ALWAYS_LOG') in _TRUE_VALUES:
self.addCleanup(self.printLogs)
else:
self.addOnException(self.attachLogs)
handler = logging.StreamHandler(self._log_stream)
formatter = logging.Formatter('%(asctime)s %(name)-32s %(message)s')
handler.setFormatter(formatter)
logger = logging.getLogger('shade')
logger.setLevel(logging.DEBUG)
logger.addHandler(handler)
# Enable HTTP level tracing
logger = logging.getLogger('keystoneauth')
logger.setLevel(logging.DEBUG)
logger.addHandler(handler)
logger.propagate = False
def assertEqual(self, first, second, *args, **kwargs):
'''Munch aware wrapper'''
if isinstance(first, munch.Munch):
first = first.toDict()
if isinstance(second, munch.Munch):
second = second.toDict()
return super(TestCase, self).assertEqual(
first, second, *args, **kwargs)
def printLogs(self, *args):
self._log_stream.seek(0)
print(self._log_stream.read())
def attachLogs(self, *args):
def reader():
self._log_stream.seek(0)
while True:
x = self._log_stream.read(4096)
if not x:
break
yield x.encode('utf8')
content = testtools.content.content_from_reader(
reader,
testtools.content_type.UTF8_TEXT,
False)
self.addDetail('logging', content)
def add_info_on_exception(self, name, text):
def add_content(unused):
self.addDetail(name, testtools.content.text_content(
pprint.pformat(text)))
self.addOnException(add_content)
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