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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Tests for the Virtual File System (VFS) mount point manager."""
from __future__ import unicode_literals
import unittest
from dfvfs.lib import errors
from dfvfs.mount import manager
from dfvfs.path import mount_path_spec
from dfvfs.path import os_path_spec
from dfvfs.path import qcow_path_spec
from dfvfs.path import tsk_path_spec
from dfvfs.resolver import context
from dfvfs.resolver import resolver
from tests import test_lib as shared_test_lib
class MountPointManagerTest(shared_test_lib.BaseTestCase):
"""Class to test the mount point manager."""
def setUp(self):
"""Sets up the needed objects used throughout the test."""
self._resolver_context = context.Context()
test_file = self._GetTestFilePath(['ext2.qcow2'])
self._SkipIfPathNotExists(test_file)
path_spec = os_path_spec.OSPathSpec(location=test_file)
self._qcow_path_spec = qcow_path_spec.QCOWPathSpec(parent=path_spec)
def testGetMountPoint(self):
"""Function to test the get mount point function."""
manager.MountPointManager.RegisterMountPoint('C', self._qcow_path_spec)
mount_point_path_spec = manager.MountPointManager.GetMountPoint('C')
self.assertEqual(mount_point_path_spec, self._qcow_path_spec)
mount_point_path_spec = manager.MountPointManager.GetMountPoint('D')
self.assertIsNone(mount_point_path_spec)
manager.MountPointManager.DeregisterMountPoint('C')
def testOpenFileObject(self):
"""Function to test mount point resolving."""
manager.MountPointManager.RegisterMountPoint('C', self._qcow_path_spec)
parent_path_spec = mount_path_spec.MountPathSpec(identifier='C')
path_spec = tsk_path_spec.TSKPathSpec(
location='/passwords.txt', parent=parent_path_spec)
file_object = resolver.Resolver.OpenFileObject(
path_spec, resolver_context=self._resolver_context)
self.assertIsNotNone(file_object)
self.assertEqual(file_object.get_size(), 116)
file_object.close()
parent_path_spec = mount_path_spec.MountPathSpec(identifier='D')
path_spec = tsk_path_spec.TSKPathSpec(
location='/passwords.txt', parent=parent_path_spec)
with self.assertRaises(errors.MountPointError):
file_object = resolver.Resolver.OpenFileObject(
path_spec, resolver_context=self._resolver_context)
manager.MountPointManager.DeregisterMountPoint('C')
if __name__ == '__main__':
unittest.main()
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