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[youtube-dl.git] / 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()