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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Tests for the file system implementation using the SleuthKit (TSK)."""
import unittest
from dfvfs.lib import definitions
from dfvfs.path import factory as path_spec_factory
from dfvfs.resolver import context
from dfvfs.vfs import tsk_file_system
from tests import test_lib as shared_test_lib
class TSKFileSystemTest(shared_test_lib.BaseTestCase):
"""Tests the SleuthKit (TSK) file system."""
_INODE_PASSWORDS_TXT = 14
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._tsk_path_spec = path_spec_factory.Factory.NewPathSpec(
definitions.TYPE_INDICATOR_TSK, location='/',
parent=self._raw_path_spec)
def tearDown(self):
"""Cleans up the needed objects used throughout the test."""
self._resolver_context.Empty()
def testOpenAndClose(self):
"""Test the open and close functionality."""
file_system = tsk_file_system.TSKFileSystem(
self._resolver_context, self._tsk_path_spec)
self.assertIsNotNone(file_system)
file_system.Open()
def testFileEntryExistsByPathSpec(self):
"""Test the file entry exists by path specification functionality."""
file_system = tsk_file_system.TSKFileSystem(
self._resolver_context, self._tsk_path_spec)
self.assertIsNotNone(file_system)
file_system.Open()
path_spec = path_spec_factory.Factory.NewPathSpec(
definitions.TYPE_INDICATOR_TSK, inode=self._INODE_PASSWORDS_TXT,
location='/password.txt', parent=self._raw_path_spec)
self.assertTrue(file_system.FileEntryExistsByPathSpec(path_spec))
path_spec = path_spec_factory.Factory.NewPathSpec(
definitions.TYPE_INDICATOR_TSK, inode=9999, location='/bogus.txt',
parent=self._raw_path_spec)
self.assertFalse(file_system.FileEntryExistsByPathSpec(path_spec))
def testGetFileEntryByPathSpec(self):
"""Tests the GetFileEntryByPathSpec function."""
file_system = tsk_file_system.TSKFileSystem(
self._resolver_context, self._tsk_path_spec)
self.assertIsNotNone(file_system)
file_system.Open()
path_spec = path_spec_factory.Factory.NewPathSpec(
definitions.TYPE_INDICATOR_TSK, inode=15, parent=self._raw_path_spec)
file_entry = file_system.GetFileEntryByPathSpec(path_spec)
self.assertIsNotNone(file_entry)
# There is no way to determine the file_entry.name without a location string
# in the path_spec or retrieving the file_entry from its parent.
path_spec = path_spec_factory.Factory.NewPathSpec(
definitions.TYPE_INDICATOR_TSK, inode=self._INODE_PASSWORDS_TXT,
location='/password.txt', parent=self._raw_path_spec)
file_entry = file_system.GetFileEntryByPathSpec(path_spec)
self.assertIsNotNone(file_entry)
self.assertEqual(file_entry.name, 'password.txt')
path_spec = path_spec_factory.Factory.NewPathSpec(
definitions.TYPE_INDICATOR_TSK, inode=9999, location='/bogus.txt',
parent=self._raw_path_spec)
file_entry = file_system.GetFileEntryByPathSpec(path_spec)
self.assertIsNone(file_entry)
def testGetRootFileEntry(self):
"""Test the get root file entry functionality."""
file_system = tsk_file_system.TSKFileSystem(
self._resolver_context, self._tsk_path_spec)
self.assertIsNotNone(file_system)
file_system.Open()
file_entry = file_system.GetRootFileEntry()
self.assertIsNotNone(file_entry)
self.assertEqual(file_entry.name, '')
if __name__ == '__main__':
unittest.main()
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