test/test_youtube_signature.py

   1 #!/usr/bin/env python
   2
   3 import io
   4 import re
   5 import string
   6 import sys
   7 import unittest
   8
   9 # Allow direct execution
  10 import os
  11 sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
  12
  13 from youtube_dl.extractor import YoutubeIE
  14 from youtube_dl.utils import compat_str, compat_urlretrieve
  15
  16 _TESTS = [
  17     (
  18         u'https://s.ytimg.com/yts/jsbin/html5player-vflHOr_nV.js',
  19         u'js',
  20         86,
  21         u'>=<;:/.-[+*)(\'&%$#"!ZYX0VUTSRQPONMLKJIHGFEDCBA\\yxwvutsrqponmlkjihgfedcba987654321',
  22     ),
  23     (
  24         u'https://s.ytimg.com/yts/jsbin/html5player-vfldJ8xgI.js',
  25         u'js',
  26         85,
  27         u'3456789a0cdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRS[UVWXYZ!"#$%&\'()*+,-./:;<=>?@',
  28     ),
  29     (
  30         u'https://s.ytimg.com/yts/swfbin/watch_as3-vflg5GhxU.swf',
  31         u'swf',
  32         82,
  33         u':/.-,+*)=\'&%$#"!ZYX0VUTSRQPONMLKJIHGFEDCBAzyxw>utsrqponmlkjihgfedcba987654321'
  34     ),
  35 ]
  36
  37
  38 class TestSignature(unittest.TestCase):
  39     def setUp(self):
  40         TEST_DIR = os.path.dirname(os.path.abspath(__file__))
  41         self.TESTDATA_DIR = os.path.join(TEST_DIR, 'testdata')
  42         if not os.path.exists(self.TESTDATA_DIR):
  43             os.mkdir(self.TESTDATA_DIR)
  44
  45
  46 def make_tfunc(url, stype, sig_length, expected_sig):
  47     basename = url.rpartition('/')[2]
  48     m = re.match(r'.*-([a-zA-Z0-9_-]+)\.[a-z]+$', basename)
  49     assert m, '%r should follow URL format' % basename
  50     test_id = m.group(1)
  51
  52     def test_func(self):
  53         fn = os.path.join(self.TESTDATA_DIR, basename)
  54
  55         if not os.path.exists(fn):
  56             compat_urlretrieve(url, fn)
  57
  58         ie = YoutubeIE()
  59         if stype == 'js':
  60             with io.open(fn, encoding='utf-8') as testf:
  61                 jscode = testf.read()
  62             func = ie._parse_sig_js(jscode)
  63         else:
  64             assert stype == 'swf'
  65             with open(fn, 'rb') as testf:
  66                 swfcode = testf.read()
  67             func = ie._parse_sig_swf(swfcode)
  68         src_sig = compat_str(string.printable[:sig_length])
  69         got_sig = func(src_sig)
  70         self.assertEqual(got_sig, expected_sig)
  71
  72     test_func.__name__ = str('test_signature_' + stype + '_' + test_id)
  73     setattr(TestSignature, test_func.__name__, test_func)
  74
  75 for test_spec in _TESTS:
  76     make_tfunc(*test_spec)
  77
  78
  79 if __name__ == '__main__':
  80     unittest.main()