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# Copyright (c) 2010-2012 OpenStack Foundation
#
# 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.
from __future__ import print_function
import sys
from contextlib import contextmanager
import os
from six import reraise
from unittest.util import safe_repr
import warnings
warnings.filterwarnings('ignore', module='cryptography|OpenSSL', message=(
'Python 2 is no longer supported by the Python core team. '
'Support for it is now deprecated in cryptography, '
'and will be removed in a future release.'))
warnings.filterwarnings('ignore', module='cryptography|OpenSSL', message=(
'Python 2 is no longer supported by the Python core team. '
'Support for it is now deprecated in cryptography, '
'and will be removed in the next release.'))
warnings.filterwarnings('ignore', message=(
'Python 3.6 is no longer supported by the Python core team. '
'Therefore, support for it is deprecated in cryptography '
'and will be removed in a future release.'))
import unittest
if sys.version_info < (3, 2):
unittest.TestCase.assertRaisesRegex = unittest.TestCase.assertRaisesRegexp
unittest.TestCase.assertRegex = unittest.TestCase.assertRegexpMatches
from eventlet.green import socket
from swift.common.utils import readconf
# Work around what seems to be a Python bug.
# c.f. https://bugs.launchpad.net/swift/+bug/820185.
import logging
logging.raiseExceptions = False
def get_config(section_name=None, defaults=None):
"""
Attempt to get a test config dictionary.
:param section_name: the section to read (all sections if not defined)
:param defaults: an optional dictionary namespace of defaults
"""
config = {}
if defaults is not None:
config.update(defaults)
config_file = os.environ.get('SWIFT_TEST_CONFIG_FILE',
'/etc/swift/test.conf')
try:
config = readconf(config_file, section_name)
except IOError:
if not os.path.exists(config_file):
print('Unable to read test config %s - file not found'
% config_file, file=sys.stderr)
elif not os.access(config_file, os.R_OK):
print('Unable to read test config %s - permission denied'
% config_file, file=sys.stderr)
except ValueError as e:
print(e)
return config
def listen_zero():
"""
The eventlet.listen() always sets SO_REUSEPORT, so when called with
("localhost",0), instead of returning unique ports it can return the
same port twice. That causes our tests to fail, so open-code it here
without SO_REUSEPORT.
"""
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.bind(("127.0.0.1", 0))
sock.listen(50)
return sock
@contextmanager
def annotate_failure(msg):
"""
Catch AssertionError and annotate it with a message. Useful when making
assertions in a loop where the message can indicate the loop index or
richer context about the failure.
:param msg: A message to be prefixed to the AssertionError message.
"""
try:
yield
except AssertionError as err:
err_typ, err_val, err_tb = sys.exc_info()
if err_val.args:
msg = '%s Failed with %s' % (msg, err_val.args[0])
err_val.args = (msg, ) + err_val.args[1:]
else:
# workaround for some IDE's raising custom AssertionErrors
err_val = '%s Failed with %s' % (msg, err)
err_typ = AssertionError
reraise(err_typ, err_val, err_tb)
class BaseTestCase(unittest.TestCase):
def _assertDictContainsSubset(self, subset, dictionary, msg=None):
"""Checks whether dictionary is a superset of subset."""
# This is almost identical to the method in python3.4 version of
# unitest.case.TestCase.assertDictContainsSubset, reproduced here to
# avoid the deprecation warning in the original when using python3.
missing = []
mismatched = []
for key, value in subset.items():
if key not in dictionary:
missing.append(key)
elif value != dictionary[key]:
mismatched.append('%s, expected: %s, actual: %s' %
(safe_repr(key), safe_repr(value),
safe_repr(dictionary[key])))
if not (missing or mismatched):
return
standardMsg = ''
if missing:
standardMsg = 'Missing: %s' % ','.join(safe_repr(m) for m in
missing)
if mismatched:
if standardMsg:
standardMsg += '; '
standardMsg += 'Mismatched values: %s' % ','.join(mismatched)
self.fail(self._formatMessage(msg, standardMsg))
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