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'''
Task Coach - Your friendly task manager
Copyright (C) 2004-2014 Task Coach developers <developers@taskcoach.org>
Task Coach is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Task Coach is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
'''
import test, os, shutil, bz2
from taskcoachlib import persistence, config
from taskcoachlib.domain import date, task
class DummyFile(object):
encoding = 'utf-8'
name = 'whatever.tsk'
def close(self, *args, **kwargs): # pylint: disable=W0613
pass
def write(self, *args, **kwargs): # pylint: disable=W0613
pass
class DummyTaskFile(persistence.TaskFile):
def _openForRead(self, *args, **kwargs): # pylint: disable=W0613
return DummyFile()
def _openForWrite(self, *args, **kwargs): # pylint: disable=W0613
return DummyFile()
def _read(self, *args, **kwargs): # pylint: disable=W0613
return [task.Task()], [], [], None, dict(), None
def exists(self):
return True
def filename(self):
return super(DummyTaskFile, self).filename() or 'whatever.tsk'
class LocalSettings(config.Settings):
def __init__(self, *args, **kwargs):
self.__path = os.path.join(os.getcwd(), 'testdata')
if os.path.exists(self.__path):
shutil.rmtree(self.__path)
os.mkdir(self.__path)
super(LocalSettings, self).__init__(*args, **kwargs)
def _pathToDataDir(self, *args, **kwargs):
return self.__path, False
class AutoBackupTest(test.TestCase):
# pylint: disable=E1101,E1002,W0232
def setUp(self):
super(AutoBackupTest, self).setUp()
task.Task.settings = self.settings = LocalSettings(load=False)
self.taskFile = DummyTaskFile()
self.backup = persistence.AutoBackup(self.settings, copyfile=self.onCopyFile)
self.copyCalled = False
def tearDown(self):
super(AutoBackupTest, self).tearDown()
self.taskFile.close()
self.taskFile.stop()
if os.path.exists('test.tsk'):
os.remove('test.tsk')
def onCopyFile(self, *args): # pylint: disable=W0613
self.copyCalled = True
def oneBackupFile(self):
return [self.backup.backupFilename(self.taskFile)]
def fourBackupFiles(self):
files = [self.backup.backupFilename(self.taskFile),
self.backup.backupFilename(self.taskFile, now=lambda: date.DateTime(2001,1,1,1,1,1)),
self.backup.backupFilename(self.taskFile, now=lambda: date.DateTime(2002,1,1,1,1,1)),
self.backup.backupFilename(self.taskFile, now=lambda: date.DateTime(2000,1,1,1,1,1))]
files.sort()
return files
def fiveBackupFiles(self):
files = [self.backup.backupFilename(self.taskFile),
self.backup.backupFilename(self.taskFile, now=lambda: date.DateTime(2001,1,1,1,1,1)),
self.backup.backupFilename(self.taskFile, now=lambda: date.DateTime(2002,1,1,1,1,1)),
self.backup.backupFilename(self.taskFile, now=lambda: date.DateTime(2002,1,1,1,1,2)),
self.backup.backupFilename(self.taskFile, now=lambda: date.DateTime(2000,1,1,1,1,1))]
files.sort()
return files
def globMany(self, pattern): # pylint: disable=W0613
return self.manyBackupFiles()
def manyBackupFiles(self):
files = [self.backup.backupFilename(self.taskFile)]*100 + \
[self.backup.backupFilename(self.taskFile, now=lambda: date.DateTime(2000,1,1,1,1,1))]
files.sort()
return files
def testBackupMigrationManifest(self):
self.taskFile.setFilename('test.tsk')
self.backup.onTaskFileRead(self.taskFile)
with file(os.path.join(self.settings.pathToBackupsDir(), 'backups.xml'), 'rb') as fp:
content = fp.read()
self.assertEqual(content, '<backupfiles><file sha="13cf6835565aaf4ab1f78e922b9917f9a4c7a856">test.tsk</file></backupfiles>')
def testBackupMigration(self):
self.taskFile.setFilename('test.tsk')
with file('test.20140715-010203.tsk.bak', 'wb') as fp:
fp.write('Hello, world')
self.backup.onTaskFileRead(self.taskFile)
self.failIf(os.path.exists('test.20140715-010203.tsk.bak'))
backupName = os.path.join(self.settings.pathToBackupsDir(), '13cf6835565aaf4ab1f78e922b9917f9a4c7a856', '20140715010203.bak')
self.failUnless(os.path.exists(backupName))
self.assertEqual(bz2.BZ2File(backupName).read(), 'Hello, world')
def testNoBackupFiles(self):
self.assertEqual([], self.backup.backupFiles(self.taskFile, glob=lambda pattern: []))
def testOneBackupFile(self):
self.assertEqual(['1'], self.backup.backupFiles(self.taskFile, glob=lambda pattern: ['1']))
def testNotTooManyBackupFiles(self):
self.assertEqual(0, self.backup.numberOfExtraneousBackupFiles(self.oneBackupFile()))
def testTooManyBackupFiles_(self):
self.assertEqual(86, self.backup.numberOfExtraneousBackupFiles(self.manyBackupFiles()))
def testRemoveExtraneousBackFiles(self):
self.backup.maxNrOfBackupFilesToRemoveAtOnce = 100
removedFiles = []
def remove(filename):
removedFiles.append(filename)
self.backup.removeExtraneousBackupFiles(self.taskFile, remove=remove, glob=self.globMany)
self.assertEqual(86, len(removedFiles))
def testRemoveExtraneousBackFiles_OSError(self):
def remove(filename): # pylint: disable=W0613
raise OSError
self.backup.removeExtraneousBackupFiles(self.taskFile, remove=remove, glob=self.globMany)
def testBackupFilename(self):
now = date.DateTime(2004,1,1)
self.assertEqual(os.path.join(self.settings.pathToBackupsDir(), 'c81e25c3e04922232ab8eb87be8337c806a44209', '20040101000000.bak'),
self.backup.backupFilename(self.taskFile, lambda: now)) # pylint: disable=W0212
def testCreateBackupOnSave(self):
self.taskFile.save()
self.copyCalled = False
self.taskFile.tasks().append(task.Task())
self.taskFile.save()
self.failUnless(self.copyCalled)
def testDontCreateBackupOnOpen(self):
self.taskFile.load()
self.failIf(self.copyCalled)
def testDontCreateBackupWhenSettingFilename(self):
self.taskFile.setFilename('newname.tsk')
self.failIf(self.copyCalled)
def testLeastUniqueBackupFile_FourBackupFiles(self):
self.assertEqual(self.backup.backupFilename(self.taskFile, now=lambda: date.DateTime(2001,1,1,1,1,1)),
self.backup.leastUniqueBackupFile(self.fourBackupFiles()))
def testLeastUniqueBackupFile_FiveBackupFiles(self):
self.assertEqual(self.backup.backupFilename(self.taskFile, now=lambda: date.DateTime(2002,1,1,1,1,1)),
self.backup.leastUniqueBackupFile(self.fiveBackupFiles()))
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