/usr/lib/python2.7/dist-packages/ZEO/tests/testTransactionBuffer.py is in python-zodb 1:3.10.7-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Copyright (c) 2001, 2002 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE
#
##############################################################################
import random
import unittest
from ZEO.TransactionBuffer import TransactionBuffer
def random_string(size):
"""Return a random string of size size."""
l = [chr(random.randrange(256)) for i in range(size)]
return "".join(l)
def new_store_data():
"""Return arbitrary data to use as argument to store() method."""
return random_string(8), random_string(random.randrange(1000))
def new_invalidate_data():
"""Return arbitrary data to use as argument to invalidate() method."""
return random_string(8)
class TransBufTests(unittest.TestCase):
def checkTypicalUsage(self):
tbuf = TransactionBuffer()
tbuf.store(*new_store_data())
tbuf.invalidate(new_invalidate_data())
for o in tbuf:
pass
def doUpdates(self, tbuf):
data = []
for i in range(10):
d = new_store_data()
tbuf.store(*d)
data.append(d)
d = new_invalidate_data()
tbuf.invalidate(d)
data.append(d)
for i, x in enumerate(tbuf):
if x[1] is None:
# the tbuf add a dummy None to invalidates
x = x[0]
self.assertEqual(x, data[i])
def checkOrderPreserved(self):
tbuf = TransactionBuffer()
self.doUpdates(tbuf)
def checkReusable(self):
tbuf = TransactionBuffer()
self.doUpdates(tbuf)
tbuf.clear()
self.doUpdates(tbuf)
tbuf.clear()
self.doUpdates(tbuf)
def test_suite():
return unittest.makeSuite(TransBufTests, 'check')
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