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#!/usr/bin/python
# -*- coding: utf-8 -*-
"""Tests for Img_Info."""
import os
import unittest
import pytsk3
import test_lib
class TSKImgInfoTestCase(unittest.TestCase):
"""Img_Info test case."""
def _testInitialize(self, img_info):
"""Test the initialize functionality.
Args:
img_info: the Img_Info object.
"""
self.assertNotEquals(img_info, None)
def _testGetSize(self, img_info):
"""Test the get size functionality.
Args:
img_info: the Img_Info object.
"""
self.assertNotEquals(img_info, None)
self.assertEquals(img_info.get_size(), self._file_size)
def _testRead(self, img_info):
"""Test the read functionality.
Args:
img_info: the Img_Info object.
"""
self.assertNotEquals(img_info, None)
self.assertEquals(img_info.read(0x5800, 16), b'place,user,passw')
self.assertEquals(img_info.read(0x7c00, 16), b'This is another ')
# Conforming to the POSIX seek the offset can exceed the file size
# but reading will result in no data being returned.
self.assertEquals(img_info.read(0x19000, 16), b'')
with self.assertRaises(IOError):
img_info.read(-1, 16)
class TSKImgInfoTest(TSKImgInfoTestCase):
"""The unit test for the Img_Info object."""
def setUp(self):
"""Sets up the needed objects used throughout the test."""
self._test_file = os.path.join('test_data', 'image.raw')
self._file_size = 102400
def testInitialize(self):
"""Test the initialize functionality."""
img_info = pytsk3.Img_Info(url=self._test_file)
self._testInitialize(img_info)
img_info.close()
def testGetSize(self):
"""Test the get size functionality."""
img_info = pytsk3.Img_Info(url=self._test_file)
self._testGetSize(img_info)
img_info.close()
def testRead(self):
"""Test the read functionality."""
img_info = pytsk3.Img_Info(url=self._test_file)
self.assertNotEquals(img_info, None)
self.assertEquals(img_info.read(0x5800, 16), b'place,user,passw')
self.assertEquals(img_info.read(0x7c00, 16), b'This is another ')
# Conforming to the POSIX seek the offset can exceed the file size
# but reading will result in no data being returned. Note that the SleuthKit
# does not conform to the posix standard and will raise and IO error.
with self.assertRaises(IOError):
img_info.read(0x19000, 16)
with self.assertRaises(IOError):
img_info.read(-1, 16)
img_info.close()
class TSKImgInfoFileObjectTest(TSKImgInfoTestCase):
"""The unit test for the Img_Info object using a file-like object."""
def setUp(self):
"""Sets up the needed objects used throughout the test."""
test_file = os.path.join('test_data', 'image.raw')
self._file_object = open(test_file, 'rb')
stat_info = os.stat(test_file)
self._file_size = stat_info.st_size
def testInitialize(self):
"""Test the initialize functionality."""
img_info = test_lib.FileObjectImageInfo(self._file_object, self._file_size)
self._testInitialize(img_info)
img_info.close()
def testGetSize(self):
"""Test the get size functionality."""
img_info = test_lib.FileObjectImageInfo(self._file_object, self._file_size)
self._testGetSize(img_info)
img_info.close()
def testRead(self):
"""Test the read functionality."""
img_info = test_lib.FileObjectImageInfo(self._file_object, self._file_size)
self._testRead(img_info)
img_info.close()
class TSKImgInfoFileObjectWithDetectTest(TSKImgInfoTestCase):
"""The unit test for the Img_Info object using a file-like object
with image type: pytsk3.TSK_IMG_TYPE_DETECT."""
def setUp(self):
"""Sets up the needed objects used throughout the test."""
test_file = os.path.join('test_data', 'image.raw')
self._file_object = open(test_file, 'rb')
stat_info = os.stat(test_file)
self._file_size = stat_info.st_size
def testInitialize(self):
"""Test the initialize functionality."""
img_info = test_lib.FileObjectImageInfo(
self._file_object, self._file_size,
image_type=pytsk3.TSK_IMG_TYPE_DETECT)
self._testInitialize(img_info)
img_info.close()
def testGetSize(self):
"""Test the get size functionality."""
img_info = test_lib.FileObjectImageInfo(
self._file_object, self._file_size,
image_type=pytsk3.TSK_IMG_TYPE_DETECT)
self._testGetSize(img_info)
img_info.close()
def testRead(self):
"""Test the read functionality."""
img_info = test_lib.FileObjectImageInfo(
self._file_object, self._file_size,
image_type=pytsk3.TSK_IMG_TYPE_DETECT)
self._testRead(img_info)
img_info.close()
class TSKImgInfoFileObjectLargeSizeTest(TSKImgInfoTestCase):
"""The unit test for the Img_Info object using a file-like object
with a large size."""
def setUp(self):
"""Sets up the needed objects used throughout the test."""
test_file = os.path.join('test_data', 'image.raw')
self._file_object = open(test_file, 'rb')
self._file_size = 1024 * 1024 * 1024 * 1024
def testInitialize(self):
"""Test the initialize functionality."""
img_info = test_lib.FileObjectImageInfo(self._file_object, self._file_size)
self._testInitialize(img_info)
img_info.close()
def testGetSize(self):
"""Test the get size functionality."""
img_info = test_lib.FileObjectImageInfo(self._file_object, self._file_size)
self._testGetSize(img_info)
img_info.close()
def testRead(self):
"""Test the read functionality."""
img_info = test_lib.FileObjectImageInfo(self._file_object, self._file_size)
self._testRead(img_info)
img_info.close()
if __name__ == '__main__':
unittest.main()
|
