Source code for testing

# -*- Mode:Python; indent-tabs-mode:nil; tab-width:4; encoding:utf-8 -*-
#
# Copyright 2012 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

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

import gettext
import os
import platform
import subprocess
import sys
import time
import unittest

from duplicity import backend
from duplicity import config
from duplicity import log
from duplicity import util

# util.start_debugger()

if sys.version_info.major >= 3:
    gettext.install(u'duplicity', names=[u'ngettext'])
else:
    gettext.install(u'duplicity', names=[u'ngettext'], unicode=True)  # pylint: disable=unexpected-keyword-arg

_testing_dir = os.path.dirname(os.path.abspath(__file__))
_top_dir = os.path.dirname(_testing_dir)
_overrides_dir = os.path.join(_testing_dir, u'overrides')
_bin_dir = os.path.join(_testing_dir, u'overrides', u'bin')

if platform.system().startswith(u'Darwin'):
    # Use temp space TMPDIR or from getconf, never /tmp
    _runtest_dir = (os.environ.get(u"TMPDIR", None) or
                    subprocess.check_output([u'getconf', u'DARWIN_USER_TEMP_DIR']))
    _runtest_dir = os.fsdecode(_runtest_dir).rstrip().rstrip(u'/')
else:
    # be a little more flexible
    _runtest_dir = os.getenv(u'TMPDIR', False) or os.getenv(u'TEMP', False) or u'/tmp'

if not os.path.exists(_runtest_dir):
    os.makedirs(_runtest_dir)

# Adjust python path for duplicity and override modules
sys.path = [_overrides_dir, _top_dir, _bin_dir] + sys.path

# Also set PYTHONPATH for any subprocesses
os.environ[u'PYTHONPATH'] = _overrides_dir + u":" + _top_dir + u":" + os.environ.get(u'PYTHONPATH', u'')

# And PATH for any subprocesses
os.environ[u'PATH'] = _bin_dir + u":" + os.environ.get(u'PATH', u'')

# Now set some variables that help standardize test behavior
os.environ[u'LANG'] = u''
os.environ[u'GNUPGHOME'] = os.path.join(_testing_dir, u'gnupg')

# bzr does not honor perms so fix the perms and avoid annoying error
os.system(u"chmod 700 %s" % os.path.join(_testing_dir, u'gnupg'))

# Standardize time
os.environ[u'TZ'] = u'US/Central'
time.tzset()

# TODO: find place in setup.py to do this
# fix shebangs in _bin_dir to be current python
if sys.version_info.major == 2:
    files = os.listdir(_bin_dir)
    for file in files:
        print(u"converting %s to python2" % file, file=sys.stderr)
        with open(os.path.join(_bin_dir, file), u"r") as f:
            p2 = f.read().replace(u"python3", u"python")
        with open(os.path.join(_bin_dir, file), u"w") as f:
            p2 = f.write(p2)


[docs]class DuplicityTestCase(unittest.TestCase): sign_key = u'839E6A2856538CCF' sign_passphrase = u'test' encrypt_key1 = u'839E6A2856538CCF' encrypt_key2 = u'453005CE9B736B2A'
[docs] def setUp(self): super(DuplicityTestCase, self).setUp() self.savedEnviron = {} self.savedConfig = {} log.setup() log.setverbosity(log.WARNING) self.set_config(u'print_statistics', 0) backend.import_backends() self.remove_testfiles() self.unpack_testfiles() # Have all file references in tests relative to our runtest dir os.chdir(_runtest_dir)
[docs] def tearDown(self): for key in self.savedEnviron: self._update_env(key, self.savedEnviron[key]) for key in self.savedConfig: setattr(config, key, self.savedConfig[key]) self.remove_testfiles() os.chdir(_testing_dir) super(DuplicityTestCase, self).tearDown()
[docs] def unpack_testfiles(self): assert not os.system(u"rm -rf {0}/testfiles".format(_runtest_dir)) assert not os.system(u"tar xzf {0}/testfiles.tar.gz -C {1} > /dev/null 2>&1".format(_testing_dir, _runtest_dir)) assert not os.system(u"mkdir {0}/testfiles/output {0}/testfiles/cache".format(_runtest_dir))
[docs] def remove_testfiles(self): assert not os.system(u"rm -rf {0}/testfiles".format(_runtest_dir))
[docs] def _update_env(self, key, value): if value is not None: os.environ[key] = value elif key in os.environ: del os.environ[key]
[docs] def set_environ(self, key, value): if key not in self.savedEnviron: self.savedEnviron[key] = os.environ.get(key) self._update_env(key, value)
[docs] def set_config(self, key, value): assert hasattr(config, key) if key not in self.savedConfig: self.savedConfig[key] = getattr(config, key) setattr(config, key, value)