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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Tests for Copy in and out (CPIO) archive file."""
from __future__ import unicode_literals
import unittest
from dfvfs.file_io import file_object_io
from dfvfs.lib import cpio
from tests import test_lib as shared_test_lib
class CPIOArchiveFileEntryTest(shared_test_lib.BaseTestCase):
"""Tests for Copy in and out (CPIO) archive file entry."""
def testInitialize(self):
"""Tests the __init__ function."""
file_entry = cpio.CPIOArchiveFileEntry()
self.assertIsNotNone(file_entry)
class CPIOArchiveFileTest(shared_test_lib.BaseTestCase):
"""Tests for Copy in and out (CPIO) archive file."""
# pylint: disable=protected-access
def testReadFileEntryOnBinary(self):
"""Tests the _ReadFileEntry function on binary format."""
test_file = cpio.CPIOArchiveFile()
test_file.file_format = 'bin-little-endian'
test_file_path = self._GetTestFilePath(['syslog.bin.cpio'])
self._SkipIfPathNotExists(test_file_path)
with open(test_file_path, 'rb') as file_object:
file_io_object = file_object_io.FileObjectIO(
None, file_object=file_object)
file_io_object.open()
file_entry = test_file._ReadFileEntry(file_io_object, 0)
self.assertEqual(file_entry.data_size, 1247)
file_io_object.close()
def testReadFileEntryOnNewASCII(self):
"""Tests the _ReadFileEntry function on new ASCII format."""
test_file = cpio.CPIOArchiveFile()
test_file.file_format = 'newc'
test_file_path = self._GetTestFilePath(['syslog.newc.cpio'])
self._SkipIfPathNotExists(test_file_path)
with open(test_file_path, 'rb') as file_object:
file_io_object = file_object_io.FileObjectIO(
None, file_object=file_object)
file_io_object.open()
file_entry = test_file._ReadFileEntry(file_io_object, 0)
self.assertEqual(file_entry.data_size, 1247)
file_io_object.close()
def testReadFileEntryOnNewASCIIWithCRC(self):
"""Tests the _ReadFileEntry function on new ASCII with CRC format."""
test_file = cpio.CPIOArchiveFile()
test_file.file_format = 'crc'
test_file_path = self._GetTestFilePath(['syslog.crc.cpio'])
self._SkipIfPathNotExists(test_file_path)
with open(test_file_path, 'rb') as file_object:
file_io_object = file_object_io.FileObjectIO(
None, file_object=file_object)
file_io_object.open()
file_entry = test_file._ReadFileEntry(file_io_object, 0)
self.assertEqual(file_entry.data_size, 1247)
file_io_object.close()
def testReadFileEntryOnPortableASCII(self):
"""Tests the _ReadFileEntry function on portable ASCII format."""
test_file = cpio.CPIOArchiveFile()
test_file.file_format = 'odc'
test_file_path = self._GetTestFilePath(['syslog.odc.cpio'])
self._SkipIfPathNotExists(test_file_path)
with open(test_file_path, 'rb') as file_object:
file_io_object = file_object_io.FileObjectIO(
None, file_object=file_object)
file_io_object.open()
file_entry = test_file._ReadFileEntry(file_io_object, 0)
self.assertEqual(file_entry.data_size, 1247)
file_io_object.close()
def testReadFileEntriesOnBinary(self):
"""Tests the _ReadFileEntries function on binary format."""
test_file = cpio.CPIOArchiveFile()
test_file.file_format = 'bin-little-endian'
test_file_path = self._GetTestFilePath(['syslog.bin.cpio'])
self._SkipIfPathNotExists(test_file_path)
with open(test_file_path, 'rb') as file_object:
file_io_object = file_object_io.FileObjectIO(
None, file_object=file_object)
file_io_object.open()
test_file._file_size = file_io_object.get_size()
test_file._ReadFileEntries(file_io_object)
self.assertEqual(len(test_file._file_entries), 1)
file_io_object.close()
def testFileEntryExistsByPathOnBinary(self):
"""Tests the FileEntryExistsByPath function on binary format."""
test_file = cpio.CPIOArchiveFile()
test_file_path = self._GetTestFilePath(['syslog.bin.cpio'])
self._SkipIfPathNotExists(test_file_path)
with open(test_file_path, 'rb') as file_object:
file_io_object = file_object_io.FileObjectIO(
None, file_object=file_object)
file_io_object.open()
test_file.Open(file_io_object)
result = test_file.FileEntryExistsByPath('syslog')
self.assertTrue(result)
result = test_file.FileEntryExistsByPath('bogus')
self.assertFalse(result)
test_file.Close()
file_io_object.close()
def testGetFileEntriesOnBinary(self):
"""Tests the GetFileEntries function on binary format."""
test_file = cpio.CPIOArchiveFile()
test_file_path = self._GetTestFilePath(['syslog.bin.cpio'])
self._SkipIfPathNotExists(test_file_path)
with open(test_file_path, 'rb') as file_object:
file_io_object = file_object_io.FileObjectIO(
None, file_object=file_object)
file_io_object.open()
test_file.Open(file_io_object)
file_entries = list(test_file.GetFileEntries())
self.assertEqual(len(file_entries), 1)
test_file.Close()
file_entries = list(test_file.GetFileEntries())
self.assertEqual(len(file_entries), 0)
file_io_object.close()
def testGetFileEntryByPathOnBinary(self):
"""Tests the GetFileEntryByPath function on binary format."""
test_file = cpio.CPIOArchiveFile()
test_file_path = self._GetTestFilePath(['syslog.bin.cpio'])
self._SkipIfPathNotExists(test_file_path)
with open(test_file_path, 'rb') as file_object:
file_io_object = file_object_io.FileObjectIO(
None, file_object=file_object)
file_io_object.open()
test_file.Open(file_io_object)
file_entry = test_file.GetFileEntryByPath('syslog')
self.assertIsNotNone(file_entry)
file_entry = test_file.GetFileEntryByPath('bogus')
self.assertIsNone(file_entry)
test_file.Close()
file_io_object.close()
# TODO: add tests for FileEntryExistsByPath
# TODO: add tests for GetFileEntries
# TODO: add tests for GetFileEntryByPath
def testOpenAndCloseOnBinary(self):
"""Tests the Open and Close functions on binary format."""
test_file = cpio.CPIOArchiveFile()
test_file_path = self._GetTestFilePath(['syslog.bin.cpio'])
self._SkipIfPathNotExists(test_file_path)
with open(test_file_path, 'rb') as file_object:
file_io_object = file_object_io.FileObjectIO(
None, file_object=file_object)
file_io_object.open()
test_file.Open(file_io_object)
self.assertEqual(test_file.file_format, 'bin-little-endian')
test_file.Close()
file_io_object.close()
def testOpenAndCloseOnNewASCII(self):
"""Tests the Open and Close functions on new ASCII format."""
test_file = cpio.CPIOArchiveFile()
test_file_path = self._GetTestFilePath(['syslog.newc.cpio'])
self._SkipIfPathNotExists(test_file_path)
with open(test_file_path, 'rb') as file_object:
file_io_object = file_object_io.FileObjectIO(
None, file_object=file_object)
file_io_object.open()
test_file.Open(file_io_object)
self.assertEqual(test_file.file_format, 'newc')
test_file.Close()
file_io_object.close()
def testOpenAndCloseOnNewASCIIWithCRC(self):
"""Tests the Open and Close functions on new ASCII with CRC format."""
test_file = cpio.CPIOArchiveFile()
test_file_path = self._GetTestFilePath(['syslog.crc.cpio'])
self._SkipIfPathNotExists(test_file_path)
with open(test_file_path, 'rb') as file_object:
file_io_object = file_object_io.FileObjectIO(
None, file_object=file_object)
file_io_object.open()
test_file.Open(file_io_object)
self.assertEqual(test_file.file_format, 'crc')
test_file.Close()
file_io_object.close()
def testOpenAndCloseOnPortableASCII(self):
"""Tests the Open and Close functions on portable ASCII format."""
test_file = cpio.CPIOArchiveFile()
test_file_path = self._GetTestFilePath(['syslog.odc.cpio'])
self._SkipIfPathNotExists(test_file_path)
with open(test_file_path, 'rb') as file_object:
file_io_object = file_object_io.FileObjectIO(
None, file_object=file_object)
file_io_object.open()
test_file.Open(file_io_object)
self.assertEqual(test_file.file_format, 'odc')
test_file.Close()
file_io_object.close()
# TODO: add tests for ReadDataAtOffset
if __name__ == '__main__':
unittest.main()
|
