test/test_youtube_signature.py

   1 #!/usr/bin/env python
   2
   3 # Allow direct execution
   4 import os
   5 import sys
   6 import unittest
   7 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
   8
   9
  10 import io
  11 import re
  12 import string
  13
  14 from youtube_dl.extractor import YoutubeIE
  15 from youtube_dl.utils import compat_str, compat_urlretrieve
  16
  17 _TESTS = [
  18     (
  19         u'https://s.ytimg.com/yts/jsbin/html5player-vflHOr_nV.js',
  20         u'js',
  21         86,
  22         u'>=<;:/.-[+*)(\'&%$#"!ZYX0VUTSRQPONMLKJIHGFEDCBA\\yxwvutsrqponmlkjihgfedcba987654321',
  23     ),
  24     (
  25         u'https://s.ytimg.com/yts/jsbin/html5player-vfldJ8xgI.js',
  26         u'js',
  27         85,
  28         u'3456789a0cdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRS[UVWXYZ!"#$%&\'()*+,-./:;<=>?@',
  29     ),
  30     (
  31         u'https://s.ytimg.com/yts/jsbin/html5player-vfle-mVwz.js',
  32         u'js',
  33         90,
  34         u']\\[@?>=<;:/.-,+*)(\'&%$#"hZYXWVUTSRQPONMLKJIHGFEDCBAzyxwvutsrqponmlkjiagfedcb39876',
  35     ),
  36 ]
  37
  38
  39 class TestSignature(unittest.TestCase):
  40     def setUp(self):
  41         TEST_DIR = os.path.dirname(os.path.abspath(__file__))
  42         self.TESTDATA_DIR = os.path.join(TEST_DIR, 'testdata')
  43         if not os.path.exists(self.TESTDATA_DIR):
  44             os.mkdir(self.TESTDATA_DIR)
  45
  46
  47 def make_tfunc(url, stype, sig_length, expected_sig):
  48     basename = url.rpartition('/')[2]
  49     m = re.match(r'.*-([a-zA-Z0-9_-]+)\.[a-z]+$', basename)
  50     assert m, '%r should follow URL format' % basename
  51     test_id = m.group(1)
  52
  53     def test_func(self):
  54         fn = os.path.join(self.TESTDATA_DIR, basename)
  55
  56         if not os.path.exists(fn):
  57             compat_urlretrieve(url, fn)
  58
  59         ie = YoutubeIE()
  60         if stype == 'js':
  61             with io.open(fn, encoding='utf-8') as testf:
  62                 jscode = testf.read()
  63             func = ie._parse_sig_js(jscode)
  64         else:
  65             assert stype == 'swf'
  66             with open(fn, 'rb') as testf:
  67                 swfcode = testf.read()
  68             func = ie._parse_sig_swf(swfcode)
  69         src_sig = compat_str(string.printable[:sig_length])
  70         got_sig = func(src_sig)
  71         self.assertEqual(got_sig, expected_sig)
  72
  73     test_func.__name__ = str('test_signature_' + stype + '_' + test_id)
  74     setattr(TestSignature, test_func.__name__, test_func)
  75
  76 for test_spec in _TESTS:
  77     make_tfunc(*test_spec)
  78
  79
  80 if __name__ == '__main__':
  81     unittest.main()