def testInitialize(self):
"""Tests the path specification initialization."""
path_spec = gzip_path_spec.GzipPathSpec(parent=self._path_spec)
self.assertIsNotNone(path_spec)
with self.assertRaises(ValueError):
gzip_path_spec.GzipPathSpec(parent=None)
with self.assertRaises(ValueError):
gzip_path_spec.GzipPathSpec(parent=self._path_spec, bogus='BOGUS')
def testReadMultipleMembers(self):
"""Tests reading a file that contains multiple gzip members."""
test_file = self._GetTestFilePath(['fsevents_000000000000b208'])
parent_path_spec = os_path_spec.OSPathSpec(location=test_file)
path_spec = gzip_path_spec.GzipPathSpec(parent=parent_path_spec)
file_object = gzip_file_io.GzipFile(self._resolver_context)
file_object.open(path_spec=path_spec)
self.assertEqual(file_object.uncompressed_data_size, 506631)
self.assertEqual(file_object.modification_times, [0, 0])
self.assertEqual(file_object.operating_systems, [3, 3])
self.assertEqual(file_object.original_filenames, [None, None])
self.assertEqual(file_object.comments, [None, None])
file_start = file_object.read(4)
self.assertEqual(file_start, b'1SLD')
# Read the end of the second member
file_object.seek(506631 - 4)
file_end = file_object.read(4)
self.assertEqual(file_end, b'\x02\x00\x80\x00')
# Seek backwards, and read across a member boundary.
file_object.seek(28530)
self.assertEqual(file_object.read(6), b'OS\x00P\x07\x00')
file_object.close()
def GetRootFileEntry(self):
"""Retrieves the root file entry.
Returns:
A file entry (instance of vfs.FileEntry) or None.
"""
path_spec = gzip_path_spec.GzipPathSpec(parent=self._path_spec.parent)
return self.GetFileEntryByPathSpec(path_spec)
def GetRootFileEntry(self):
"""Retrieves the root file entry.
Returns:
GzipFileEntry: a file entry or None if not available.
"""
path_spec = gzip_path_spec.GzipPathSpec(parent=self._path_spec.parent)
return self.GetFileEntryByPathSpec(path_spec)
def setUp(self):
"""Sets up the needed objects used throughout the test."""
self._resolver_context = context.Context()
test_file = self._GetTestFilePath(['syslog.gz'])
self._SkipIfPathNotExists(test_file)
path_spec = os_path_spec.OSPathSpec(location=test_file)
self._gzip_path_spec = gzip_path_spec.GzipPathSpec(parent=path_spec)
def setUp(self):
"""Sets up the needed objects used throughout the test."""
self._resolver_context = context.Context()
test_file = self._GetTestFilePath([u'syslog.gz'])
path_spec = os_path_spec.OSPathSpec(location=test_file)
self._gzip_path_spec = gzip_path_spec.GzipPathSpec(parent=path_spec)
self._file_system = gzip_file_system.GzipFileSystem(self._resolver_context)
self._file_system.Open(self._gzip_path_spec)
def testComparable(self):
"""Tests the path specification comparable property."""
path_spec = gzip_path_spec.GzipPathSpec(parent=self._path_spec)
self.assertIsNotNone(path_spec)
expected_comparable = '\n'.join(['type: TEST', 'type: GZIP', ''])
self.assertEqual(path_spec.comparable, expected_comparable)
def testGetCompressedArchiveTypeIndicators(self):
"""Function to test the get compressed archive type indicators function."""
test_file = os.path.join(u'test_data', u'syslog.tgz')
path_spec = os_path_spec.OSPathSpec(location=test_file)
expected_type_indicators = [definitions.TYPE_INDICATOR_GZIP]
type_indicators = analyzer.Analyzer.GetCompressedStreamTypeIndicators(
path_spec)
self.assertEqual(type_indicators, expected_type_indicators)
path_spec = gzip_path_spec.GzipPathSpec(parent=path_spec)
expected_type_indicators = [definitions.TYPE_INDICATOR_TAR]
type_indicators = analyzer.Analyzer.GetArchiveTypeIndicators(path_spec)
self.assertEqual(type_indicators, expected_type_indicators)
def testGetCompressedArchiveTypeIndicators(self):
"""Tests the GetCompressedStreamTypeIndicators function on a .tgz file."""
test_file = self._GetTestFilePath(['syslog.tgz'])
path_spec = os_path_spec.OSPathSpec(location=test_file)
expected_type_indicators = [definitions.TYPE_INDICATOR_GZIP]
type_indicators = analyzer.Analyzer.GetCompressedStreamTypeIndicators(
path_spec)
self.assertEqual(type_indicators, expected_type_indicators)
path_spec = gzip_path_spec.GzipPathSpec(parent=path_spec)
expected_type_indicators = [definitions.TYPE_INDICATOR_TAR]
type_indicators = analyzer.Analyzer.GetArchiveTypeIndicators(path_spec)
self.assertEqual(type_indicators, expected_type_indicators)
def setUp(self):
"""Sets up the needed objects used throughout the test."""
self._resolver_context = context.Context()
test_file = os.path.join(u'test_data', u'syslog.gz')
path_spec = os_path_spec.OSPathSpec(location=test_file)
self._gzip_path_spec = gzip_path_spec.GzipPathSpec(parent=path_spec)
