/usr/lib/python2.7/dist-packages/gear/tests/__init__.py is in python-gear 0.5.8-3.
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# 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.
"""Common utilities used in testing"""
import errno
import os
import socket
import fixtures
import testresources
import testtools
TRUE_VALUES = ('true', '1', 'yes')
class BaseTestCase(testtools.TestCase, testresources.ResourcedTestCase):
def setUp(self):
super(BaseTestCase, self).setUp()
test_timeout = os.environ.get('OS_TEST_TIMEOUT', 30)
try:
test_timeout = int(test_timeout)
except ValueError:
# If timeout value is invalid, fail hard.
print("OS_TEST_TIMEOUT set to invalid value"
" defaulting to no timeout")
test_timeout = 0
if test_timeout > 0:
self.useFixture(fixtures.Timeout(test_timeout, gentle=True))
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.useFixture(fixtures.FakeLogger())
self.useFixture(fixtures.NestedTempfile())
def raise_eagain():
e = socket.error("socket error [Errno 11] "
"Resource temporarily unavailable")
e.errno = errno.EAGAIN
raise e
class FakeSocketEOF(Exception):
pass
class FakeSocket(object):
def __init__(self, af=None, socktype=None, proto=None):
self.packets = []
self.packet_num = 0
self.packet_pos = 0
self.blocking = 1
def _set_data(self, data):
self.packets = data
def connect(self, sa):
pass
def setblocking(self, blocking):
self.blocking = blocking
def recv(self, count):
while True:
if self.packet_num + 1 > len(self.packets):
if not self.blocking:
raise_eagain()
raise FakeSocketEOF(
"End of data reached in blocking mode")
packet = self.packets[self.packet_num]
if self.packet_pos + 1 > len(packet):
self.packet_num += 1
self.packet_pos = 0
if not self.blocking:
raise_eagain()
continue
break
start = self.packet_pos
end = min(start + count, len(packet))
self.packet_pos = end
return bytes(packet[start:end])
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