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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Tests for the EXT attribute."""
import unittest
from dfvfs.lib import definitions
from dfvfs.lib import errors
from dfvfs.path import factory as path_spec_factory
from dfvfs.resolver import context
from dfvfs.vfs import ext_attribute
from dfvfs.vfs import ext_file_system
from tests import test_lib as shared_test_lib
class EXTExtendedAttributeTest(shared_test_lib.BaseTestCase):
"""Tests the EXT extended attribute."""
# pylint: disable=protected-access
_INODE_A_FILE = 13
def setUp(self):
"""Sets up the needed objects used throughout the test."""
self._resolver_context = context.Context()
test_path = self._GetTestFilePath(['ext2.raw'])
self._SkipIfPathNotExists(test_path)
test_os_path_spec = path_spec_factory.Factory.NewPathSpec(
definitions.TYPE_INDICATOR_OS, location=test_path)
self._raw_path_spec = path_spec_factory.Factory.NewPathSpec(
definitions.TYPE_INDICATOR_RAW, parent=test_os_path_spec)
self._ext_path_spec = path_spec_factory.Factory.NewPathSpec(
definitions.TYPE_INDICATOR_EXT, location='/',
parent=self._raw_path_spec)
self._file_system = ext_file_system.EXTFileSystem(
self._resolver_context, self._ext_path_spec)
self._file_system.Open()
def tearDown(self):
"""Cleans up the needed objects used throughout the test."""
self._resolver_context.Empty()
def testIntialize(self):
"""Tests the __init__ function."""
test_location = '/a_directory/a_file'
path_spec = path_spec_factory.Factory.NewPathSpec(
definitions.TYPE_INDICATOR_EXT, inode=self._INODE_A_FILE,
location=test_location, parent=self._raw_path_spec)
file_entry = self._file_system.GetFileEntryByPathSpec(path_spec)
fsext_attribute = file_entry._fsext_file_entry.get_extended_attribute(0)
self.assertIsNotNone(fsext_attribute)
self.assertEqual(fsext_attribute.name, 'user.myxattr')
test_attribute = ext_attribute.EXTExtendedAttribute(fsext_attribute)
self.assertIsNotNone(test_attribute)
with self.assertRaises(errors.BackEndError):
ext_attribute.EXTExtendedAttribute(None)
if __name__ == '__main__':
unittest.main()
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