148 lines
5.2 KiB
Python
148 lines
5.2 KiB
Python
# Copyright (c) 2010-2012 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import print_function
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import sys
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from contextlib import contextmanager
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import os
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from six import reraise
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from unittest.util import safe_repr
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import warnings
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warnings.filterwarnings('ignore', module='cryptography|OpenSSL', message=(
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'Python 2 is no longer supported by the Python core team. '
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'Support for it is now deprecated in cryptography, '
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'and will be removed in a future release.'))
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warnings.filterwarnings('ignore', module='cryptography|OpenSSL', message=(
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'Python 2 is no longer supported by the Python core team. '
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'Support for it is now deprecated in cryptography, '
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'and will be removed in the next release.'))
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warnings.filterwarnings('ignore', message=(
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'Python 3.6 is no longer supported by the Python core team. '
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'Therefore, support for it is deprecated in cryptography '
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'and will be removed in a future release.'))
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import unittest
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if sys.version_info < (3, 2):
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unittest.TestCase.assertRaisesRegex = unittest.TestCase.assertRaisesRegexp
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unittest.TestCase.assertRegex = unittest.TestCase.assertRegexpMatches
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from eventlet.green import socket
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from swift.common.utils import readconf
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# Work around what seems to be a Python bug.
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# c.f. https://bugs.launchpad.net/swift/+bug/820185.
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import logging
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logging.raiseExceptions = False
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def get_config(section_name=None, defaults=None):
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"""
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Attempt to get a test config dictionary.
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:param section_name: the section to read (all sections if not defined)
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:param defaults: an optional dictionary namespace of defaults
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"""
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config = {}
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if defaults is not None:
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config.update(defaults)
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config_file = os.environ.get('SWIFT_TEST_CONFIG_FILE',
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'/etc/swift/test.conf')
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try:
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config = readconf(config_file, section_name)
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except IOError:
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if not os.path.exists(config_file):
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print('Unable to read test config %s - file not found'
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% config_file, file=sys.stderr)
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elif not os.access(config_file, os.R_OK):
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print('Unable to read test config %s - permission denied'
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% config_file, file=sys.stderr)
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except ValueError as e:
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print(e)
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return config
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def listen_zero():
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"""
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The eventlet.listen() always sets SO_REUSEPORT, so when called with
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("localhost",0), instead of returning unique ports it can return the
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same port twice. That causes our tests to fail, so open-code it here
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without SO_REUSEPORT.
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"""
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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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sock.bind(("127.0.0.1", 0))
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sock.listen(50)
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return sock
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@contextmanager
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def annotate_failure(msg):
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"""
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Catch AssertionError and annotate it with a message. Useful when making
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assertions in a loop where the message can indicate the loop index or
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richer context about the failure.
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:param msg: A message to be prefixed to the AssertionError message.
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"""
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try:
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yield
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except AssertionError as err:
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err_typ, err_val, err_tb = sys.exc_info()
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if err_val.args:
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msg = '%s Failed with %s' % (msg, err_val.args[0])
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err_val.args = (msg, ) + err_val.args[1:]
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else:
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# workaround for some IDE's raising custom AssertionErrors
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err_val = '%s Failed with %s' % (msg, err)
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err_typ = AssertionError
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reraise(err_typ, err_val, err_tb)
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class BaseTestCase(unittest.TestCase):
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def _assertDictContainsSubset(self, subset, dictionary, msg=None):
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"""Checks whether dictionary is a superset of subset."""
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# This is almost identical to the method in python3.4 version of
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# unitest.case.TestCase.assertDictContainsSubset, reproduced here to
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# avoid the deprecation warning in the original when using python3.
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missing = []
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mismatched = []
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for key, value in subset.items():
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if key not in dictionary:
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missing.append(key)
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elif value != dictionary[key]:
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mismatched.append('%s, expected: %s, actual: %s' %
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(safe_repr(key), safe_repr(value),
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safe_repr(dictionary[key])))
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if not (missing or mismatched):
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return
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standardMsg = ''
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if missing:
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standardMsg = 'Missing: %s' % ','.join(safe_repr(m) for m in
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missing)
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if mismatched:
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if standardMsg:
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standardMsg += '; '
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standardMsg += 'Mismatched values: %s' % ','.join(mismatched)
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self.fail(self._formatMessage(msg, standardMsg))
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