6f82ae8fa61f621235cc83561b55ddf8b9fbb9ed
[youtube-dl] / test / gentests.py
1 #!/usr/bin/env python3
2
3 import io  # for python 2
4 import json
5 import os
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 import youtube_dl.InfoExtractors
14
15 HEADER = u'''#!/usr/bin/env python
16
17 # DO NOT EDIT THIS FILE BY HAND!
18 # It is auto-generated from tests.json and gentests.py.
19
20 import hashlib
21 import io
22 import os
23 import json
24 import unittest
25 import sys
26
27 # Allow direct execution
28 import os
29 sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
30
31 from youtube_dl.FileDownloader import FileDownloader
32 import youtube_dl.InfoExtractors
33
34 def _file_md5(fn):
35     with open(fn, 'rb') as f:
36         return hashlib.md5(f.read()).hexdigest()
37
38 def md5_for_file(filename, block_size=2**20):
39     with open(filename) as f:
40         md5 = hashlib.md5()
41         while True:
42             data = f.read(block_size)
43             if not data:
44                 break
45             md5.update(data)
46             return md5.hexdigest()
47 _file_md5 = md5_for_file
48
49
50 try:
51     _skip_unless = unittest.skipUnless
52 except AttributeError: # Python 2.6
53     def _skip_unless(cond, reason='No reason given'):
54         def resfunc(f):
55             # Start the function name with test to appease nosetests-2.6
56             def test_wfunc(*args, **kwargs):
57                 if cond:
58                     return f(*args, **kwargs)
59                 else:
60                     print('Skipped test')
61                     return
62             return test_wfunc
63         return resfunc
64 _skip = lambda *args, **kwargs: _skip_unless(False, *args, **kwargs)
65
66 class DownloadTest(unittest.TestCase):
67     PARAMETERS_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)), "parameters.json")
68
69     def setUp(self):
70         # Clear old files
71         self.tearDown()
72
73         with io.open(self.PARAMETERS_FILE, encoding='utf-8') as pf:
74             self.parameters = json.load(pf)
75 '''
76
77 FOOTER = u'''
78
79 if __name__ == '__main__':
80     unittest.main()
81 '''
82
83 DEF_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'tests.json')
84 TEST_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'test_download.py')
85
86 def gentests():
87     with io.open(DEF_FILE, encoding='utf-8') as deff:
88         defs = json.load(deff)
89     with io.open(TEST_FILE, 'w', encoding='utf-8') as testf:
90         testf.write(HEADER)
91         spaces = ' ' * 4
92         write = lambda l: testf.write(spaces + l + '\n')
93
94         for d in defs:
95             name = d['name']
96             ie = getattr(youtube_dl.InfoExtractors, name + 'IE')
97             testf.write('\n')
98             write('@_skip_unless(youtube_dl.InfoExtractors.' + name + 'IE._WORKING, "IE marked as not _WORKING")')
99             if not d['file']:
100                 write('@_skip("No output file specified")')
101             elif 'skip' in d:
102                 write('@_skip(' + repr(d['skip']) + ')')
103             write('def test_' + name + '(self):')
104             write('    filename = ' + repr(d['file']))
105             write('    fd = FileDownloader(self.parameters)')
106             write('    fd.add_info_extractor(youtube_dl.InfoExtractors.' + name + 'IE())')
107             for ien in d.get('addIEs', []):
108                 write('    fd.add_info_extractor(youtube_dl.InfoExtractors.' + ien + 'IE())')
109             write('    fd.download([' + repr(d['url']) + '])')
110             write('    self.assertTrue(os.path.exists(filename))')
111             if 'size' in d:
112                 write('    self.assertEqual(os.path.getsize(filename), ' + repr(d['size']) + ')')
113             if 'md5' in d:
114                 write('    md5_for_file = _file_md5(filename)')
115                 write('    self.assertEqual(md5_for_file, ' + repr(d['md5']) + ')')
116
117         testf.write('\n\n')
118         write('def tearDown(self):')
119         for d in defs:
120             if d['file']:
121                 write('    if os.path.exists(' + repr(d['file']) + '):')
122                 write('        os.remove(' + repr(d['file']) + ')')
123             else:
124                 write('    # No file specified for ' + d['name'])
125         testf.write('\n')
126         testf.write(FOOTER)
127
128 if __name__ == '__main__':
129     gentests()