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import os
import sys
import unittest
from unittest import TestCase
from tempfile import mkdtemp, NamedTemporaryFile
import xattr
from xattr import pyxattr_compat
class BaseTestXattr(object):
# TESTDIR for temporary files usually defaults to "/tmp",
# which may not have XATTR support (e.g. tmpfs);
# manual override here.
TESTDIR = None
def test_update(self):
x = xattr.xattr(self.tempfile)
attrs = {
'user.test.key1': b'test_value1',
'user.test.key2': b'test_value2'
}
x.update(attrs)
for k, v in attrs.items():
self.assertEqual(x[k], v)
def test_attr(self):
x = xattr.xattr(self.tempfile)
# Solaris 11 and forward contain system attributes (file flags) in
# extended attributes present on all files, so cons them up into a
# comparison dict.
d = {}
if sys.platform == 'sunos5' and 'SUNWattr_ro' in x:
d['SUNWattr_ro'] = x['SUNWattr_ro']
d['SUNWattr_rw'] = x['SUNWattr_rw']
# macOS 13.x SIP adds this attribute to all files
# POSIX platforms may have system.posix_acl_default
# SELinux systems use an attribute which must be accounted for
IGNORE_KEYS = ['com.apple.provenance', 'system.posix_acl_default', 'security.selinux']
for k in IGNORE_KEYS:
if x.has_key(k):
d[k] = x[k]
self.assertEqual(list(x.keys()), list(d.keys()))
self.assertEqual(list(x.list()), list(d.keys()))
self.assertEqual(dict(x), d)
x['user.sopal'] = b'foo'
x['user.sop.foo'] = b'bar'
x[u'user.\N{SNOWMAN}'] = b'not a snowman'
del x
x = xattr.xattr(self.tempfile)
attrs = set(x.list())
self.assertTrue('user.sopal' in x)
self.assertTrue(u'user.sopal' in attrs)
self.assertEqual(x['user.sopal'], b'foo')
self.assertTrue('user.sop.foo' in x)
self.assertTrue(u'user.sop.foo' in attrs)
self.assertEqual(x['user.sop.foo'], b'bar')
self.assertTrue(u'user.\N{SNOWMAN}' in x)
self.assertTrue(u'user.\N{SNOWMAN}' in attrs)
self.assertEqual(x[u'user.\N{SNOWMAN}'],
b'not a snowman')
del x[u'user.\N{SNOWMAN}']
del x['user.sop.foo']
del x
x = xattr.xattr(self.tempfile)
self.assertTrue('user.sop.foo' not in x)
def test_setxattr_unicode_error(self):
x = xattr.xattr(self.tempfile)
def assign():
x['abc'] = u'abc'
self.assertRaises(TypeError, assign)
msg = "Value must be bytes, str was passed."
try:
assign()
except TypeError:
e = sys.exc_info()[1]
self.assertEqual(str(e), msg)
def test_symlink_attrs(self):
symlinkPath = self.tempfilename + '.link'
os.symlink(self.tempfilename, symlinkPath)
try:
symlink = xattr.xattr(symlinkPath, options=xattr.XATTR_NOFOLLOW)
realfile = xattr.xattr(self.tempfilename)
try:
symlink['user.islink'] = b'true'
except IOError:
# Solaris, Linux don't support extended attributes on symlinks
raise unittest.SkipTest("XATTRs on symlink not allowed"
" on filesystem/platform")
realfile_xattrs = dict(realfile)
realfile_xattrs.pop('com.apple.provenance', None)
self.assertEqual(realfile_xattrs, {})
self.assertEqual(symlink['user.islink'], b'true')
finally:
os.remove(symlinkPath)
def test_freebsd_compat_prefix(self):
if not sys.platform.startswith('freebsd'):
raise unittest.SkipTest("FreeBSD only")
x = xattr.xattr(self.tempfile)
# Test setting and getting without prefix
x['test'] = b'test'
self.assertEqual(x['test'], b'test')
self.assertEqual(x['user.test'], b'test')
self.assertEqual(x['user.user.test'], b'test')
# Test setting with prefix
x['user.test'] = b'test2'
self.assertEqual(x['test'], b'test2')
self.assertEqual(x['user.test'], b'test2')
# Test that listing returns the prefixed attribute
self.assertEqual(x.list(), ['user.test'])
# Test that listing with pyxattr_compat does not prefix or decode
self.assertEqual(pyxattr_compat.list(self.tempfile), [b'test'])
def test_get_with_default(self):
x = xattr.xattr(self.tempfile)
# Test backwards compatibility - exception raised when no default
with self.assertRaises(OSError):
x.get('user.nonexistent')
# Test default=None returns None
result = x.get('user.nonexistent', default=None)
self.assertIsNone(result)
# Test default parameter with non-None values
result = x.get('user.nonexistent', default=b'default_value')
self.assertEqual(result, b'default_value')
# Test default parameter with empty string
result = x.get('user.nonexistent', default=b'')
self.assertEqual(result, b'')
# Test that existing attributes ignore default
x['user.existing'] = b'real_value'
result = x.get('user.existing', default=b'should_be_ignored')
self.assertEqual(result, b'real_value')
# Test that default is keyword-only (positional should fail)
with self.assertRaises(TypeError):
x.get('user.nonexistent', 0, b'default_value')
class TestFile(TestCase, BaseTestXattr):
def setUp(self):
self.tempfile = NamedTemporaryFile(dir=self.TESTDIR)
self.tempfilename = self.tempfile.name
def tearDown(self):
self.tempfile.close()
class TestDir(TestCase, BaseTestXattr):
def setUp(self):
self.tempfile = mkdtemp(dir=self.TESTDIR)
self.tempfilename = self.tempfile
def tearDown(self):
os.rmdir(self.tempfile)
class TestFileWithSurrogates(TestFile):
def setUp(self):
if not (sys.platform.startswith('linux') or sys.platform.startswith('freebsd')):
raise unittest.SkipTest('Files with invalid encoded names are only supported under Linux and FreeBSD')
self.tempfile = NamedTemporaryFile(prefix=b'invalid-\xe9'.decode('utf8', 'surrogateescape'), dir=self.TESTDIR)
self.tempfilename = self.tempfile.name
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