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# Copyright (C) 2008-2015 Lars Wirzenius <liw@liw.fi>
#
# This program 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.
#
# This program 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import os
import shutil
import tempfile
import unittest
import cliapp
import obnamlib
from obnamlib import _obnam
# Pylint doesn't see the function defined in _obnam. We silence, for
# this module only, the no-member warning.
#
# pylint: disable=no-member
class LocalFSTests(unittest.TestCase, obnamlib.VfsTests):
def setUp(self):
self.basepath = tempfile.mkdtemp()
self.fs = obnamlib.LocalFS(self.basepath)
def tearDown(self):
self.fs.close()
shutil.rmtree(self.basepath)
def test_joins_relative_path_ok(self):
self.assertEqual(self.fs.join('foo'),
os.path.join(self.basepath, 'foo'))
def test_join_treats_absolute_path_as_absolute(self):
self.assertEqual(self.fs.join('/foo'), '/foo')
def test_get_username_returns_root_for_zero(self):
self.assertEqual(self.fs.get_username(0), 'root')
def test_get_groupname_returns_root_for_zero(self):
# Some Unix systems have a wheel group instead of a root
# group. We're fine with either.
self.assertTrue(self.fs.get_groupname(0) in ['root', 'wheel'])
class XAttrTests(unittest.TestCase):
'''Tests for extended attributes.'''
def setUp(self):
self.tempdir = tempfile.mkdtemp()
self.filename = os.path.join(self.tempdir, 'file.txt')
self.other = os.path.join(self.tempdir, 'other.txt')
def tearDown(self):
shutil.rmtree(self.tempdir)
def user_xattr_are_supported(self):
# Not all filesystems, or mounts of them, support extended
# attributes. In order to not fail, we verify that things
# work. We do this by checking if we can set a user.foo
# attribute with the command line tool.
try:
exitcode, _, _ = cliapp.runcmd_unchecked(
['setfattr', '-n', 'user.foo', 'bar', self.other])
except OSError:
# Either xattr aren't supported, or setfattr isn't
# installed and we can't test.
return False
return exitcode == 0
def test_empty_list(self):
'''A new file has no extended attributes.'''
if self.user_xattr_are_supported():
self.assertEqual(_obnam.llistxattr(self.filename), "")
def test_lsetxattr(self):
'''lsetxattr() sets an attribute on a file.'''
if self.user_xattr_are_supported():
_obnam.lsetxattr(self.filename, "user.key", "value")
_obnam.lsetxattr(self.filename, "user.hello", "world")
ret = _obnam.llistxattr(self.filename)
self.assertEqual(
sorted(ret.strip("\0").split("\0")),
["user.hello", "user.key"])
def test_lgetxattr(self):
'''lgetxattr() gets the value of an attribute set on the file.'''
if self.user_xattr_are_supported():
_obnam.lsetxattr(self.filename, "user.hello", "world")
self.assertEqual(
_obnam.lgetxattr(self.filename, "user.hello"),
"world")
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