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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Tests for the Volume Shadow Snapshots (VSS) volume system."""
from __future__ import unicode_literals
import unittest
from dfvfs.path import os_path_spec
from dfvfs.path import qcow_path_spec
from dfvfs.path import vshadow_path_spec
from dfvfs.volume import vshadow_volume_system
from tests import test_lib as shared_test_lib
@shared_test_lib.skipUnlessHasTestFile(['lvmtest.qcow2'])
class VShadowVolumeSystemTest(shared_test_lib.BaseTestCase):
"""Tests the Volume Shadow Snapshot (VSS) volume system."""
def setUp(self):
"""Sets up the needed objects used throughout the test."""
test_file = self._GetTestFilePath(['vsstest.qcow2'])
path_spec = os_path_spec.OSPathSpec(location=test_file)
path_spec = qcow_path_spec.QCOWPathSpec(parent=path_spec)
self._vshadow_path_spec = vshadow_path_spec.VShadowPathSpec(
location='/', parent=path_spec)
# qcowmount test_data/vsstest.qcow2 fuse/
# vshadowinfo fuse/qcow1
#
# Volume Shadow Snapshot information:
# Number of stores: 2
#
# Store: 1
# ...
# Identifier : 600f0b69-5bdf-11e3-9d6c-005056c00008
# Shadow copy set ID : 0a4e3901-6abb-48fc-95c2-6ab9e38e9e71
# Creation time : Dec 03, 2013 06:35:09.736378700 UTC
# Shadow copy ID : 4e3c03c2-7bc6-4288-ad96-c1eac1a55f71
# Volume size : 1073741824 bytes
# Attribute flags : 0x00420009
#
# Store: 2
# Identifier : 600f0b6d-5bdf-11e3-9d6c-005056c00008
# Shadow copy set ID : 8438a0ee-0f06-443b-ac0c-2905647ca5d6
# Creation time : Dec 03, 2013 06:37:48.919058300 UTC
# Shadow copy ID : 18f1ac6e-959d-436f-bdcc-e797a729e290
# Volume size : 1073741824 bytes
# Attribute flags : 0x00420009
def testIterateVolumes(self):
"""Test the iterate volumes functionality."""
volume_system = vshadow_volume_system.VShadowVolumeSystem()
volume_system.Open(self._vshadow_path_spec)
self.assertEqual(volume_system.number_of_volumes, 2)
volume = volume_system.GetVolumeByIndex(1)
self.assertIsNotNone(volume)
self.assertEqual(volume.number_of_extents, 1)
self.assertEqual(volume.number_of_attributes, 4)
self.assertEqual(volume.identifier, 'vss2')
expected_value = '600f0b6d-5bdf-11e3-9d6c-005056c00008'
volume_attribute = volume.GetAttribute('identifier')
self.assertIsNotNone(volume_attribute)
self.assertEqual(volume_attribute.value, expected_value)
expected_value = '18f1ac6e-959d-436f-bdcc-e797a729e290'
volume_attribute = volume.GetAttribute('copy_identifier')
self.assertIsNotNone(volume_attribute)
self.assertEqual(volume_attribute.value, expected_value)
expected_value = '8438a0ee-0f06-443b-ac0c-2905647ca5d6'
volume_attribute = volume.GetAttribute('copy_set_identifier')
self.assertIsNotNone(volume_attribute)
self.assertEqual(volume_attribute.value, expected_value)
expected_value = 130305262689190583
volume_attribute = volume.GetAttribute('creation_time')
self.assertIsNotNone(volume_attribute)
self.assertEqual(volume_attribute.value, expected_value)
volume = volume_system.GetVolumeByIndex(7)
self.assertIsNone(volume)
if __name__ == '__main__':
unittest.main()
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