# 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. # See http://code.google.com/p/python-nose/issues/detail?id=373 # The code below enables nosetests to work with i18n _() blocks from __future__ import print_function import sys from contextlib import contextmanager import os from six import reraise try: from unittest.util import safe_repr except ImportError: # Probably py26 _MAX_LENGTH = 80 def safe_repr(obj, short=False): try: result = repr(obj) except Exception: result = object.__repr__(obj) if not short or len(result) < _MAX_LENGTH: return result return result[:_MAX_LENGTH] + ' [truncated]...' from eventlet.green import socket # make unittests pass on all locale import swift setattr(swift, 'gettext_', lambda x: x) 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)