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[youtubedl] / test / test_download.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 from test.helper import get_params, get_testcases, global_setup, try_rm, md5
10 global_setup()
11
12
13 import hashlib
14 import io
15 import json
16 import socket
17
18 import youtube_dl.YoutubeDL
19 from youtube_dl.utils import (
20 compat_str,
21 compat_urllib_error,
22 DownloadError,
23 ExtractorError,
24 UnavailableVideoError,
25 )
26
27 RETRIES = 3
28
29 class YoutubeDL(youtube_dl.YoutubeDL):
30 def __init__(self, *args, **kwargs):
31 self.to_stderr = self.to_screen
32 self.processed_info_dicts = []
33 super(YoutubeDL, self).__init__(*args, **kwargs)
34 def report_warning(self, message):
35 # Don't accept warnings during tests
36 raise ExtractorError(message)
37 def process_info(self, info_dict):
38 self.processed_info_dicts.append(info_dict)
39 return super(YoutubeDL, self).process_info(info_dict)
40
41 def _file_md5(fn):
42 with open(fn, 'rb') as f:
43 return hashlib.md5(f.read()).hexdigest()
44
45 defs = get_testcases()
46
47
48 class TestDownload(unittest.TestCase):
49 maxDiff = None
50 def setUp(self):
51 self.defs = defs
52
53 ### Dynamically generate tests
54 def generator(test_case):
55
56 def test_template(self):
57 ie = youtube_dl.extractor.get_info_extractor(test_case['name'])
58 def print_skipping(reason):
59 print('Skipping %s: %s' % (test_case['name'], reason))
60 if not ie._WORKING:
61 print_skipping('IE marked as not _WORKING')
62 return
63 if 'playlist' not in test_case and not test_case['file']:
64 print_skipping('No output file specified')
65 return
66 if 'skip' in test_case:
67 print_skipping(test_case['skip'])
68 return
69
70 params = get_params(test_case.get('params', {}))
71
72 ydl = YoutubeDL(params)
73 ydl.add_default_info_extractors()
74 finished_hook_called = set()
75 def _hook(status):
76 if status['status'] == 'finished':
77 finished_hook_called.add(status['filename'])
78 ydl.fd.add_progress_hook(_hook)
79
80 test_cases = test_case.get('playlist', [test_case])
81 for tc in test_cases:
82 try_rm(tc['file'])
83 try_rm(tc['file'] + '.part')
84 try_rm(tc['file'] + '.info.json')
85 try:
86 for retry in range(1, RETRIES + 1):
87 try:
88 ydl.download([test_case['url']])
89 except (DownloadError, ExtractorError) as err:
90 if retry == RETRIES: raise
91
92 # Check if the exception is not a network related one
93 if not err.exc_info[0] in (compat_urllib_error.URLError, socket.timeout, UnavailableVideoError):
94 raise
95
96 print('Retrying: {0} failed tries\n\n##########\n\n'.format(retry))
97 else:
98 break
99
100 for tc in test_cases:
101 if not test_case.get('params', {}).get('skip_download', False):
102 self.assertTrue(os.path.exists(tc['file']), msg='Missing file ' + tc['file'])
103 self.assertTrue(tc['file'] in finished_hook_called)
104 self.assertTrue(os.path.exists(tc['file'] + '.info.json'))
105 if 'md5' in tc:
106 md5_for_file = _file_md5(tc['file'])
107 self.assertEqual(md5_for_file, tc['md5'])
108 with io.open(tc['file'] + '.info.json', encoding='utf-8') as infof:
109 info_dict = json.load(infof)
110 for (info_field, expected) in tc.get('info_dict', {}).items():
111 if isinstance(expected, compat_str) and expected.startswith('md5:'):
112 got = 'md5:' + md5(info_dict.get(info_field))
113 else:
114 got = info_dict.get(info_field)
115 self.assertEqual(expected, got,
116 u'invalid value for field %s, expected %r, got %r' % (info_field, expected, got))
117
118 # If checkable fields are missing from the test case, print the info_dict
119 test_info_dict = dict((key, value if not isinstance(value, compat_str) or len(value) < 250 else 'md5:' + md5(value))
120 for key, value in info_dict.items()
121 if value and key in ('title', 'description', 'uploader', 'upload_date', 'uploader_id', 'location'))
122 if not all(key in tc.get('info_dict', {}).keys() for key in test_info_dict.keys()):
123 sys.stderr.write(u'\n"info_dict": ' + json.dumps(test_info_dict, ensure_ascii=False, indent=2) + u'\n')
124
125 # Check for the presence of mandatory fields
126 for key in ('id', 'url', 'title', 'ext'):
127 self.assertTrue(key in info_dict.keys() and info_dict[key])
128 finally:
129 for tc in test_cases:
130 try_rm(tc['file'])
131 try_rm(tc['file'] + '.part')
132 try_rm(tc['file'] + '.info.json')
133
134 return test_template
135
136 ### And add them to TestDownload
137 for n, test_case in enumerate(defs):
138 test_method = generator(test_case)
139 tname = 'test_' + str(test_case['name'])
140 i = 1
141 while hasattr(TestDownload, tname):
142 tname = 'test_' + str(test_case['name']) + '_' + str(i)
143 i += 1
144 test_method.__name__ = tname
145 setattr(TestDownload, test_method.__name__, test_method)
146 del test_method
147
148
149 if __name__ == '__main__':
150 unittest.main()