Source code for testing.unit.test_backend

# -*- Mode:Python; indent-tabs-mode:nil; tab-width:4; encoding:utf-8 -*-
#
# Copyright 2002 Ben Escoto <ben@emerose.org>
# Copyright 2007 Kenneth Loafman <kenneth@loafman.com>
#
# 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

from __future__ import print_function
from future import standard_library
standard_library.install_aliases()

import sys
try:
    import unittest.mock as mock
except ImportError:
    import mock
import unittest

import duplicity.backend
import duplicity.backends
from duplicity.errors import *  # pylint: disable=unused-wildcard-import
from duplicity import config
from . import UnitTestCase


[docs]@unittest.skipIf(sys.version_info[:2] < (3, 6), u"Skip on bad urllib.parse handling") class ParsedUrlTest(UnitTestCase): u"""Test the ParsedUrl class"""
[docs] def test_basic(self): u"""Test various url strings""" pu = duplicity.backend.ParsedUrl(u"scp://ben@foo.bar:1234/a/b") assert pu.scheme == u"scp", pu.scheme assert pu.netloc == u"ben@foo.bar:1234", pu.netloc assert pu.path == u"/a/b", pu.path assert pu.username == u"ben", pu.username assert pu.port == 1234, pu.port assert pu.hostname == u"foo.bar", pu.hostname pu = duplicity.backend.ParsedUrl(u"ftp://foo.bar:1234/") assert pu.scheme == u"ftp", pu.scheme assert pu.netloc == u"foo.bar:1234", pu.netloc assert pu.path == u"/", pu.path assert pu.username is None, pu.username assert pu.port == 1234, pu.port assert pu.hostname == u"foo.bar", pu.hostname pu = duplicity.backend.ParsedUrl(u"file:///home") assert pu.scheme == u"file", pu.scheme assert pu.netloc == u"", pu.netloc assert pu.path == u"///home", pu.path assert pu.username is None, pu.username assert pu.port is None, pu.port pu = duplicity.backend.ParsedUrl(u"file://home") assert pu.scheme == u"file", pu.scheme assert pu.netloc == u"", pu.netloc assert pu.path == u"//home", pu.path assert pu.username is None, pu.username assert pu.port is None, pu.port pu = duplicity.backend.ParsedUrl(u"ftp://foo@bar:pass@example.com:123/home") assert pu.scheme == u"ftp", pu.scheme assert pu.netloc == u"foo@bar:pass@example.com:123", pu.netloc assert pu.hostname == u"example.com", pu.hostname assert pu.path == u"/home", pu.path assert pu.username == u"foo@bar", pu.username assert pu.password == u"pass", pu.password assert pu.port == 123, pu.port pu = duplicity.backend.ParsedUrl(u"ftp://foo%40bar:pass@example.com:123/home") assert pu.scheme == u"ftp", pu.scheme assert pu.netloc == u"foo%40bar:pass@example.com:123", pu.netloc assert pu.hostname == u"example.com", pu.hostname assert pu.path == u"/home", pu.path assert pu.username == u"foo@bar", pu.username assert pu.password == u"pass", pu.password assert pu.port == 123, pu.port pu = duplicity.backend.ParsedUrl(u"imap://foo@bar:pass@example.com:123/home") assert pu.scheme == u"imap", pu.scheme assert pu.netloc == u"foo@bar:pass@example.com:123", pu.netloc assert pu.hostname == u"example.com", pu.hostname assert pu.path == u"/home", pu.path assert pu.username == u"foo@bar", pu.username assert pu.password == u"pass", pu.password assert pu.port == 123, pu.port pu = duplicity.backend.ParsedUrl(u"imap://foo@bar@example.com:123/home") assert pu.scheme == u"imap", pu.scheme assert pu.netloc == u"foo@bar@example.com:123", pu.netloc assert pu.hostname == u"example.com", pu.hostname assert pu.path == u"/home", pu.path assert pu.username == u"foo@bar", pu.username assert pu.password is None, pu.password assert pu.port == 123, pu.port pu = duplicity.backend.ParsedUrl(u"imap://foo@bar@example.com/home") assert pu.scheme == u"imap", pu.scheme assert pu.netloc == u"foo@bar@example.com", pu.netloc assert pu.hostname == u"example.com", pu.hostname assert pu.path == u"/home", pu.path assert pu.username == u"foo@bar", pu.username assert pu.password is None, pu.password assert pu.port is None, pu.port pu = duplicity.backend.ParsedUrl(u"imap://foo@bar.com@example.com/home") assert pu.scheme == u"imap", pu.scheme assert pu.netloc == u"foo@bar.com@example.com", pu.netloc assert pu.hostname == u"example.com", pu.hostname assert pu.path == u"/home", pu.path assert pu.username == u"foo@bar.com", pu.username assert pu.password is None, pu.password assert pu.port is None, pu.port pu = duplicity.backend.ParsedUrl(u"imap://foo%40bar.com@example.com/home") assert pu.scheme == u"imap", pu.scheme assert pu.netloc == u"foo%40bar.com@example.com", pu.netloc assert pu.hostname == u"example.com", pu.hostname assert pu.path == u"/home", pu.path assert pu.username == u"foo@bar.com", pu.username assert pu.password is None, pu.password assert pu.port is None, pu.port pu = duplicity.backend.ParsedUrl(u"scheme://username:passwor@127.0.0.1:22/path/path") assert pu.strip_auth() == u"scheme://127.0.0.1:22/path/path"
[docs] def test_errors(self): u"""Test various url errors""" self.assertRaises(InvalidBackendURL, duplicity.backend.ParsedUrl, u"file:path") # no relative paths for non-netloc schemes self.assertRaises(UnsupportedBackendScheme, duplicity.backend.get_backend, u"ssh://foo@bar:pass@example.com/home")
[docs]class BackendWrapperTest(UnitTestCase):
[docs] def setUp(self): super(BackendWrapperTest, self).setUp() self.mock = mock.MagicMock() self.backend = duplicity.backend.BackendWrapper(self.mock) self.local = mock.MagicMock() self.remote = u'remote'
[docs] @mock.patch(u'sys.exit') def test_default_error_exit(self, exit_mock): self.set_config(u'num_retries', 1) try: del self.mock._error_code except: # Old versions of mock don't let you mark non-present attributes # like this. return # can't use self.skip() since that needs py27 self.mock._put.side_effect = Exception self.backend.put(self.local, self.remote) exit_mock.assert_called_once_with(50)
[docs] @mock.patch(u'sys.exit') def test_translates_code(self, exit_mock): self.set_config(u'num_retries', 1) self.mock._error_code.return_value = 12345 self.mock._put.side_effect = Exception self.backend.put(self.local, self.remote) exit_mock.assert_called_once_with(12345)
[docs] @mock.patch(u'sys.exit') def test_uses_exception_code(self, exit_mock): self.set_config(u'num_retries', 1) self.mock._error_code.return_value = 12345 self.mock._put.side_effect = BackendException(u'error', code=54321) self.backend.put(self.local, self.remote) exit_mock.assert_called_once_with(54321)
[docs] @mock.patch(u'sys.exit') @mock.patch(u'time.sleep') # so no waiting def test_cleans_up(self, exit_mock, time_mock): # pylint: disable=unused-argument self.set_config(u'num_retries', 2) self.mock._retry_cleanup.return_value = None self.mock._put.side_effect = Exception self.backend.put(self.local, self.remote) self.mock._retry_cleanup.assert_called_once_with()
[docs] def test_prefer_lists(self): self.mock._delete.return_value = None self.mock._delete_list.return_value = None self.backend.delete([self.remote]) self.assertEqual(self.mock._delete.call_count, 0) self.assertEqual(self.mock._delete_list.call_count, 1) try: del self.mock._delete_list except: return self.backend.delete([self.remote]) self.assertEqual(self.mock._delete.call_count, 1) self.mock._query.return_value = None self.mock._query_list.return_value = None self.backend.query_info([self.remote]) self.assertEqual(self.mock._query.call_count, 0) self.assertEqual(self.mock._query_list.call_count, 1) try: del self.mock._query_list except: return self.backend.query_info([self.remote]) self.assertEqual(self.mock._query.call_count, 1)
[docs] @mock.patch(u'sys.exit') @mock.patch(u'time.sleep') # so no waiting def test_retries(self, exit_mock, time_mock): # pylint: disable=unused-argument self.set_config(u'num_retries', 2) self.mock._get.side_effect = Exception self.backend.get(self.remote, self.local) self.assertEqual(self.mock._get.call_count, config.num_retries) self.mock._put.side_effect = Exception self.backend.put(self.local, self.remote) self.assertEqual(self.mock._put.call_count, config.num_retries) self.mock._list.side_effect = Exception self.backend.list() self.assertEqual(self.mock._list.call_count, config.num_retries) self.mock._delete_list.side_effect = Exception self.backend.delete([self.remote]) self.assertEqual(self.mock._delete_list.call_count, config.num_retries) self.mock._query_list.side_effect = Exception self.backend.query_info([self.remote]) self.assertEqual(self.mock._query_list.call_count, config.num_retries) try: del self.mock._delete_list except: return self.mock._delete.side_effect = Exception self.backend.delete([self.remote]) self.assertEqual(self.mock._delete.call_count, config.num_retries) try: del self.mock._query_list except: return self.mock._query.side_effect = Exception self.backend.query_info([self.remote]) self.assertEqual(self.mock._query.call_count, config.num_retries) self.mock._move.side_effect = Exception self.backend.move(self.local, self.remote) self.assertEqual(self.mock._move.call_count, config.num_retries)
[docs] def test_move(self): self.mock._move.return_value = True self.backend.move(self.local, self.remote) self.mock._move.assert_called_once_with(self.local, self.remote) self.assertEqual(self.mock._put.call_count, 0)
[docs] def test_move_fallback_false(self): self.mock._move.return_value = False self.backend.move(self.local, self.remote) self.mock._move.assert_called_once_with(self.local, self.remote) self.mock._put.assert_called_once_with(self.local, self.remote) self.local.delete.assert_called_once_with()
[docs] def test_move_fallback_undefined(self): try: del self.mock._move except: return self.backend.move(self.local, self.remote) self.mock._put.assert_called_once_with(self.local, self.remote) self.local.delete.assert_called_once_with()
[docs] def test_close(self): self.mock._close.return_value = None self.backend.close() self.mock._close.assert_called_once_with()
if __name__ == u"__main__": unittest.main()