/usr/lib/python2.7/dist-packages/fasteners/tests/test_decorators.py is in python-fasteners 0.12.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | # -*- coding: utf-8 -*-
# Copyright (C) 2015 Yahoo! Inc. All Rights Reserved.
#
# 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.
import threading
import fasteners
from fasteners import test
class Locked(object):
def __init__(self):
self._lock = threading.Lock()
@fasteners.locked
def i_am_locked(self, cb):
cb(self._lock.locked())
def i_am_not_locked(self, cb):
cb(self._lock.locked())
class ManyLocks(object):
def __init__(self, amount):
self._lock = []
for _i in range(0, amount):
self._lock.append(threading.Lock())
@fasteners.locked
def i_am_locked(self, cb):
gotten = [lock.locked() for lock in self._lock]
cb(gotten)
def i_am_not_locked(self, cb):
gotten = [lock.locked() for lock in self._lock]
cb(gotten)
class RWLocked(object):
def __init__(self):
self._lock = fasteners.ReaderWriterLock()
@fasteners.read_locked
def i_am_read_locked(self, cb):
cb(self._lock.owner)
@fasteners.write_locked
def i_am_write_locked(self, cb):
cb(self._lock.owner)
def i_am_not_locked(self, cb):
cb(self._lock.owner)
class DecoratorsTest(test.TestCase):
def test_locked(self):
obj = Locked()
obj.i_am_locked(lambda is_locked: self.assertTrue(is_locked))
obj.i_am_not_locked(lambda is_locked: self.assertFalse(is_locked))
def test_many_locked(self):
obj = ManyLocks(10)
obj.i_am_locked(lambda gotten: self.assertTrue(all(gotten)))
obj.i_am_not_locked(lambda gotten: self.assertEqual(0, sum(gotten)))
def test_read_write_locked(self):
reader = fasteners.ReaderWriterLock.READER
writer = fasteners.ReaderWriterLock.WRITER
obj = RWLocked()
obj.i_am_write_locked(lambda owner: self.assertEqual(owner, writer))
obj.i_am_read_locked(lambda owner: self.assertEqual(owner, reader))
obj.i_am_not_locked(lambda owner: self.assertIsNone(owner))
|