def testComparable(self):
"""Tests the path specification comparable property."""
path_spec = tar_path_spec.TARPathSpec(location='/test',
parent=self._path_spec)
self.assertIsNotNone(path_spec)
expected_comparable = '\n'.join(
['type: TEST', 'type: TAR, location: /test', ''])
self.assertEqual(path_spec.comparable, expected_comparable)
def setUp(self):
"""Sets up the needed objects used throughout the test."""
self._resolver_context = context.Context()
test_file = self._GetTestFilePath(['syslog.tar'])
self._os_path_spec = os_path_spec.OSPathSpec(location=test_file)
self._tar_path_spec = tar_path_spec.TARPathSpec(
location='/syslog', parent=self._os_path_spec)
self._file_system = tar_file_system.TARFileSystem(
self._resolver_context)
self._file_system.Open(self._tar_path_spec)
def testGetParentFileEntry(self):
"""Tests the GetParentFileEntry function."""
path_spec = tar_path_spec.TARPathSpec(
location='/syslog', parent=self._os_path_spec)
file_entry = self._file_system.GetFileEntryByPathSpec(path_spec)
self.assertIsNotNone(file_entry)
parent_file_entry = file_entry.GetParentFileEntry()
self.assertIsNotNone(parent_file_entry)
self.assertEqual(parent_file_entry.name, '')
def testFileEntryExistsByPathSpec(self):
"""Test the file entry exists by path specification functionality."""
file_system = tar_file_system.TARFileSystem(self._resolver_context)
self.assertIsNotNone(file_system)
file_system.Open(self._tar_path_spec)
path_spec = tar_path_spec.TARPathSpec(location='/syslog',
parent=self._os_path_spec)
self.assertTrue(file_system.FileEntryExistsByPathSpec(path_spec))
path_spec = tar_path_spec.TARPathSpec(location='/bogus',
parent=self._os_path_spec)
self.assertFalse(file_system.FileEntryExistsByPathSpec(path_spec))
file_system.Close()
# Test on a tar file that has missing directory entries.
test_file = self._GetTestFilePath(['missing_directory_entries.tar'])
self._SkipIfPathNotExists(test_file)
test_file_path_spec = os_path_spec.OSPathSpec(location=test_file)
path_spec = tar_path_spec.TARPathSpec(location='/',
parent=test_file_path_spec)
file_system = tar_file_system.TARFileSystem(self._resolver_context)
self.assertIsNotNone(file_system)
file_system.Open(path_spec)
path_spec = tar_path_spec.TARPathSpec(location='/File System',
parent=test_file_path_spec)
self.assertTrue(file_system.FileEntryExistsByPathSpec(path_spec))
path_spec = tar_path_spec.TARPathSpec(
location='/File System/Recordings', parent=test_file_path_spec)
self.assertTrue(file_system.FileEntryExistsByPathSpec(path_spec))
file_system.Close()
def testGetDataStream(self):
"""Tests the GetDataStream function."""
path_spec = tar_path_spec.TARPathSpec(
location='/syslog', parent=self._os_path_spec)
file_entry = self._file_system.GetFileEntryByPathSpec(path_spec)
self.assertIsNotNone(file_entry)
data_stream_name = ''
data_stream = file_entry.GetDataStream(data_stream_name)
self.assertIsNotNone(data_stream)
self.assertEqual(data_stream.name, data_stream_name)
data_stream = file_entry.GetDataStream('bogus')
self.assertIsNone(data_stream)
def testGetStat(self):
"""Tests the GetStat function."""
path_spec = tar_path_spec.TARPathSpec(
location='/syslog', parent=self._os_path_spec)
file_entry = self._file_system.GetFileEntryByPathSpec(path_spec)
self.assertIsNotNone(file_entry)
stat_object = file_entry.GetStat()
self.assertIsNotNone(stat_object)
self.assertEqual(stat_object.type, stat_object.TYPE_FILE)
self.assertEqual(stat_object.size, 1247)
self.assertEqual(stat_object.mode, 256)
self.assertEqual(stat_object.uid, 151107)
self.assertEqual(stat_object.gid, 5000)
self.assertEqual(stat_object.mtime, 1343166324)
self.assertFalse(hasattr(stat_object, 'mtime_nano'))
def GetParentFileEntry(self):
"""Retrieves the parent file entry.
Returns:
TARFileEntry: parent file entry or None.
"""
location = getattr(self.path_spec, u'location', None)
if location is None:
return
parent_location = self._file_system.DirnamePath(location)
if parent_location is None:
return
if parent_location == u'':
parent_location = self._file_system.PATH_SEPARATOR
parent_path_spec = getattr(self.path_spec, u'parent', None)
path_spec = tar_path_spec.TARPathSpec(location=parent_location,
parent=parent_path_spec)
return TARFileEntry(self._resolver_context, self._file_system,
path_spec)