File: zlib_decompressor.py

package info (click to toggle)
dfvfs 20240505-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 475,508 kB
  • sloc: python: 36,533; vhdl: 1,922; sh: 448; xml: 52; makefile: 16
file content (54 lines) | stat: -rw-r--r-- 1,646 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Tests for the zlib decompressor object."""

import unittest

from dfvfs.compression import zlib_decompressor
from dfvfs.lib import errors

from tests.compression import test_lib


class ZlibDecompressorTestCase(test_lib.DecompressorTestCase):
  """Tests for the zlib decompressor object."""

  def testDecompress(self):
    """Tests the Decompress method."""
    decompressor = zlib_decompressor.ZlibDecompressor()

    compressed_data = (
        b'x\x9c\x0b\xc9\xc8,V\x00\xa2D\x85\x92\xd4\xe2\x12=\x00)\x97\x05$')

    uncompressed_data, _ = decompressor.Decompress(compressed_data)
    expected_uncompressed_data = b'This is a test.'
    self.assertEqual(uncompressed_data, expected_uncompressed_data)

    decompressor = zlib_decompressor.ZlibDecompressor()

    with self.assertRaises(errors.BackEndError):
      decompressor.Decompress(b'This is a test.')


class DeflateDecompressorTestCase(test_lib.DecompressorTestCase):
  """Tests for the zlib decompressor object."""

  def testDecompress(self):
    """Tests the Decompress method."""
    decompressor = zlib_decompressor.DeflateDecompressor()

    compressed_data = (
        b'\x0b\xc9\xc8,V\x00\xa2D\x85\x92\xd4\xe2\x12=\x00)\x97\x05$')

    uncompressed_data, _ = decompressor.Decompress(compressed_data)
    expected_uncompressed_data = b'This is a test.'
    self.assertEqual(uncompressed_data, expected_uncompressed_data)

    decompressor = zlib_decompressor.DeflateDecompressor()

    with self.assertRaises(errors.BackEndError):
      decompressor.Decompress(b'This is a test.')


if __name__ == '__main__':
  unittest.main()