swift/test/__init__.py
Alistair Coles 9d742b85ad Refactoring, test infrastructure changes and cleanup
...in preparation for the container sharding feature.

Co-Authored-By: Matthew Oliver <matt@oliver.net.au>
Co-Authored-By: Tim Burke <tim.burke@gmail.com>
Co-Authored-By: Clay Gerrard <clay.gerrard@gmail.com>

Change-Id: I4455677abb114a645cff93cd41b394d227e805de
2018-05-15 18:18:25 +01:00

116 lines
3.6 KiB
Python

# 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)