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[youtube-dl] / 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']\\[@?>=<;:/.-,+*)(\'&%$#"hZYXWVUTSRQPONMLKJIHGFEDCBAzyxwvutsrqponmlkjiagfedcb39876',
35     ),
36     (
37         u'https://s.ytimg.com/yts/jsbin/html5player-en_US-vfl0Cbn9e.js',
38         u'js',
39         84,
40         u'O1I3456789abcde0ghijklmnopqrstuvwxyzABCDEFGHfJKLMN2PQRSTUVW@YZ!"#$%&\'()*+,-./:;<=',
41     ),
42     (
43         u'https://s.ytimg.com/yts/jsbin/html5player-en_US-vflXGBaUN.js',
44         u'js',
45         u'2ACFC7A61CA478CD21425E5A57EBD73DDC78E22A.2094302436B2D377D14A3BBA23022D023B8BC25AA',
46         u'A52CB8B320D22032ABB3A41D773D2B6342034902.A22E87CDD37DBE75A5E52412DC874AC16A7CFCA2',
47     ),
48 ]
49
50
51 class TestSignature(unittest.TestCase):
52     def setUp(self):
53         TEST_DIR = os.path.dirname(os.path.abspath(__file__))
54         self.TESTDATA_DIR = os.path.join(TEST_DIR, 'testdata')
55         if not os.path.exists(self.TESTDATA_DIR):
56             os.mkdir(self.TESTDATA_DIR)
57
58
59 def make_tfunc(url, stype, sig_input, expected_sig):
60     basename = url.rpartition('/')[2]
61     m = re.match(r'.*-([a-zA-Z0-9_-]+)\.[a-z]+$', basename)
62     assert m, '%r should follow URL format' % basename
63     test_id = m.group(1)
64
65     def test_func(self):
66         fn = os.path.join(self.TESTDATA_DIR, basename)
67
68         if not os.path.exists(fn):
69             compat_urlretrieve(url, fn)
70
71         ie = YoutubeIE()
72         if stype == 'js':
73             with io.open(fn, encoding='utf-8') as testf:
74                 jscode = testf.read()
75             func = ie._parse_sig_js(jscode)
76         else:
77             assert stype == 'swf'
78             with open(fn, 'rb') as testf:
79                 swfcode = testf.read()
80             func = ie._parse_sig_swf(swfcode)
81         src_sig = (
82             compat_str(string.printable[:sig_input])
83             if isinstance(sig_input, int) else sig_input)
84         got_sig = func(src_sig)
85         self.assertEqual(got_sig, expected_sig)
86
87     test_func.__name__ = str('test_signature_' + stype + '_' + test_id)
88     setattr(TestSignature, test_func.__name__, test_func)
89
90 for test_spec in _TESTS:
91     make_tfunc(*test_spec)
92
93
94 if __name__ == '__main__':
95     unittest.main()