# -*- Mode:Python; indent-tabs-mode:nil; tab-width:4 -*-
#
# Copyright 2014 Canonical Ltd
#
# This file is part of duplicity.
#
# Duplicity 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 2 of the License, or (at your
# option) any later version.
#
# Duplicity 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 duplicity; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import os
import StringIO
import unittest
import duplicity.backend
from duplicity import log
from duplicity import path
from duplicity.errors import BackendException
from . import UnitTestCase
[docs]class BackendInstanceBase(UnitTestCase):
[docs] def setUp(self):
UnitTestCase.setUp(self)
assert not os.system("rm -rf testfiles")
os.makedirs('testfiles')
self.backend = None
self.local = path.Path('testfiles/local')
self.local.writefileobj(StringIO.StringIO("hello"))
[docs] def tearDown(self):
if self.backend is None:
return
if hasattr(self.backend, '_close'):
self.backend._close()
[docs] def test_get(self):
if self.backend is None:
return
self.backend._put(self.local, 'a')
getfile = path.Path('testfiles/getfile')
self.backend._get('a', getfile)
self.assertTrue(self.local.compare_data(getfile))
[docs] def test_list(self):
if self.backend is None:
return
self.backend._put(self.local, 'a')
self.backend._put(self.local, 'b')
# It's OK for backends to create files as a side effect of put (e.g.
# the par2 backend does), so only check that at least a and b exist.
self.assertTrue('a' in self.backend._list())
self.assertTrue('b' in self.backend._list())
[docs] def test_delete(self):
if self.backend is None:
return
if not hasattr(self.backend, '_delete'):
self.assertTrue(hasattr(self.backend, '_delete_list'))
return
self.backend._put(self.local, 'a')
self.backend._put(self.local, 'b')
self.backend._delete('a')
self.assertFalse('a' in self.backend._list())
self.assertTrue('b' in self.backend._list())
[docs] def test_delete_clean(self):
if self.backend is None:
return
if not hasattr(self.backend, '_delete'):
self.assertTrue(hasattr(self.backend, '_delete_list'))
return
self.backend._put(self.local, 'a')
self.backend._delete('a')
self.assertEqual(self.backend._list(), [])
[docs] def test_delete_missing(self):
if self.backend is None:
return
if not hasattr(self.backend, '_delete'):
self.assertTrue(hasattr(self.backend, '_delete_list'))
return
# Backends can either silently ignore this, or throw an error
# that gives log.ErrorCode.backend_not_found.
try:
self.backend._delete('a')
except BackendException as e:
pass # Something went wrong, but it was an 'expected' something
except Exception as e:
code = duplicity.backend._get_code_from_exception(self.backend, 'delete', e)
self.assertEqual(code, log.ErrorCode.backend_not_found)
[docs] def test_delete_list(self):
if self.backend is None:
return
if not hasattr(self.backend, '_delete_list'):
self.assertTrue(hasattr(self.backend, '_delete'))
return
self.backend._put(self.local, 'a')
self.backend._put(self.local, 'b')
self.backend._put(self.local, 'c')
self.backend._delete_list(['a', 'd', 'c'])
files = self.backend._list()
self.assertFalse('a' in files, files)
self.assertTrue('b' in files, files)
self.assertFalse('c' in files, files)
[docs] def test_move(self):
if self.backend is None:
return
if not hasattr(self.backend, '_move'):
return
copy = path.Path('testfiles/copy')
self.local.copy(copy)
self.backend._move(self.local, 'a')
self.assertTrue('a' in self.backend._list())
self.assertFalse(self.local.exists())
getfile = path.Path('testfiles/getfile')
self.backend._get('a', getfile)
self.assertTrue(copy.compare_data(getfile))
[docs] def test_query_exists(self):
if self.backend is None:
return
if not hasattr(self.backend, '_query'):
return
self.backend._put(self.local, 'a')
info = self.backend._query('a')
self.assertEqual(info['size'], self.local.getsize())
[docs] def test_query_missing(self):
if self.backend is None:
return
if not hasattr(self.backend, '_query'):
return
# Backends can either return -1 themselves, or throw an error
# that gives log.ErrorCode.backend_not_found.
try:
info = self.backend._query('a')
except BackendException as e:
pass # Something went wrong, but it was an 'expected' something
except Exception as e:
code = duplicity.backend._get_code_from_exception(self.backend, 'query', e)
self.assertEqual(code, log.ErrorCode.backend_not_found)
else:
self.assertEqual(info['size'], -1)
[docs] def test_query_list(self):
if self.backend is None:
return
if not hasattr(self.backend, '_query_list'):
return
self.backend._put(self.local, 'a')
self.backend._put(self.local, 'c')
info = self.backend._query_list(['a', 'b'])
self.assertEqual(info['a']['size'], self.local.getsize())
self.assertEqual(info['b']['size'], -1)
self.assertFalse('c' in info)
[docs]class LocalBackendTest(BackendInstanceBase):
[docs] def setUp(self):
super(LocalBackendTest, self).setUp()
url = 'file://testfiles/output'
self.backend = duplicity.backend.get_backend_object(url)
self.assertEqual(self.backend.__class__.__name__, 'LocalBackend')
[docs]class Par2BackendTest(BackendInstanceBase):
[docs] def setUp(self):
super(Par2BackendTest, self).setUp()
url = 'par2+file://testfiles/output'
self.backend = duplicity.backend.get_backend_object(url)
self.assertEqual(self.backend.__class__.__name__, 'Par2Backend')
# TODO: Add par2-specific tests here, to confirm that we can recover from
# a missing file
# class RsyncBackendTest(BackendInstanceBase):
# def setUp(self):
# super(RsyncBackendTest, self).setUp()
# os.makedirs('testfiles/output') # rsync needs it to exist first
# url = 'rsync://%s/testfiles/output' % os.getcwd()
# self.backend = duplicity.backend.get_backend_object(url)
# self.assertEqual(self.backend.__class__.__name__, 'RsyncBackend')
[docs]class TahoeBackendTest(BackendInstanceBase):
[docs] def setUp(self):
super(TahoeBackendTest, self).setUp()
os.makedirs('testfiles/output')
url = 'tahoe://testfiles/output'
self.backend = duplicity.backend.get_backend_object(url)
self.assertEqual(self.backend.__class__.__name__, 'TAHOEBackend')
[docs]class HSIBackendTest(BackendInstanceBase):
[docs] def setUp(self):
super(HSIBackendTest, self).setUp()
os.makedirs('testfiles/output')
# hostname is ignored... Seemingly on purpose
url = 'hsi://hostname%s/testfiles/output' % os.getcwd()
self.backend = duplicity.backend.get_backend_object(url)
self.assertEqual(self.backend.__class__.__name__, 'HSIBackend')
[docs]class FTPBackendTest(BackendInstanceBase):
[docs] def setUp(self):
super(FTPBackendTest, self).setUp()
os.makedirs('testfiles/output')
url = 'ftp://user:pass@hostname/testfiles/output'
self.backend = duplicity.backend.get_backend_object(url)
self.assertEqual(self.backend.__class__.__name__, 'LFTPBackend')
[docs]class FTPSBackendTest(BackendInstanceBase):
[docs] def setUp(self):
super(FTPSBackendTest, self).setUp()
os.makedirs('testfiles/output')
url = 'ftps://user:pass@hostname/testfiles/output'
self.backend = duplicity.backend.get_backend_object(url)
self.assertEqual(self.backend.__class__.__name__, 'LFTPBackend')
if __name__ == "__main__":
unittest.main()