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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 (
10 get_params,
11 gettestcases,
12 expect_info_dict,
13 try_rm,
14 report_warning,
15 )
16
17
18 import hashlib
19 import io
20 import json
21 import socket
22
23 import youtube_dl.YoutubeDL
24 from youtube_dl.utils import (
25 compat_http_client,
26 compat_urllib_error,
27 compat_HTTPError,
28 DownloadError,
29 ExtractorError,
30 UnavailableVideoError,
31 )
32 from youtube_dl.extractor import get_info_extractor
33
34 RETRIES = 3
35
36 class YoutubeDL(youtube_dl.YoutubeDL):
37 def __init__(self, *args, **kwargs):
38 self.to_stderr = self.to_screen
39 self.processed_info_dicts = []
40 super(YoutubeDL, self).__init__(*args, **kwargs)
41 def report_warning(self, message):
42 # Don't accept warnings during tests
43 raise ExtractorError(message)
44 def process_info(self, info_dict):
45 self.processed_info_dicts.append(info_dict)
46 return super(YoutubeDL, self).process_info(info_dict)
47
48 def _file_md5(fn):
49 with open(fn, 'rb') as f:
50 return hashlib.md5(f.read()).hexdigest()
51
52 defs = gettestcases()
53
54
55 class TestDownload(unittest.TestCase):
56 maxDiff = None
57 def setUp(self):
58 self.defs = defs
59
60 ### Dynamically generate tests
61 def generator(test_case):
62
63 def test_template(self):
64 ie = youtube_dl.extractor.get_info_extractor(test_case['name'])
65 other_ies = [get_info_extractor(ie_key) for ie_key in test_case.get('add_ie', [])]
66 def print_skipping(reason):
67 print('Skipping %s: %s' % (test_case['name'], reason))
68 if not ie.working():
69 print_skipping('IE marked as not _WORKING')
70 return
71 if 'playlist' not in test_case:
72 info_dict = test_case.get('info_dict', {})
73 if not test_case.get('file') and not (info_dict.get('id') and info_dict.get('ext')):
74 raise Exception('Test definition incorrect. The output file cannot be known. Are both \'id\' and \'ext\' keys present?')
75 if 'skip' in test_case:
76 print_skipping(test_case['skip'])
77 return
78 for other_ie in other_ies:
79 if not other_ie.working():
80 print_skipping(u'test depends on %sIE, marked as not WORKING' % other_ie.ie_key())
81 return
82
83 params = get_params(test_case.get('params', {}))
84
85 ydl = YoutubeDL(params)
86 ydl.add_default_info_extractors()
87 finished_hook_called = set()
88 def _hook(status):
89 if status['status'] == 'finished':
90 finished_hook_called.add(status['filename'])
91 ydl.add_progress_hook(_hook)
92
93 def get_tc_filename(tc):
94 return tc.get('file') or ydl.prepare_filename(tc.get('info_dict', {}))
95
96 test_cases = test_case.get('playlist', [test_case])
97 def try_rm_tcs_files():
98 for tc in test_cases:
99 tc_filename = get_tc_filename(tc)
100 try_rm(tc_filename)
101 try_rm(tc_filename + '.part')
102 try_rm(os.path.splitext(tc_filename)[0] + '.info.json')
103 try_rm_tcs_files()
104 try:
105 try_num = 1
106 while True:
107 try:
108 ydl.download([test_case['url']])
109 except (DownloadError, ExtractorError) as err:
110 # Check if the exception is not a network related one
111 if not err.exc_info[0] in (compat_urllib_error.URLError, socket.timeout, UnavailableVideoError, compat_http_client.BadStatusLine) or (err.exc_info[0] == compat_HTTPError and err.exc_info[1].code == 503):
112 raise
113
114 if try_num == RETRIES:
115 report_warning(u'Failed due to network errors, skipping...')
116 return
117
118 print('Retrying: {0} failed tries\n\n##########\n\n'.format(try_num))
119
120 try_num += 1
121 else:
122 break
123
124 for tc in test_cases:
125 tc_filename = get_tc_filename(tc)
126 if not test_case.get('params', {}).get('skip_download', False):
127 self.assertTrue(os.path.exists(tc_filename), msg='Missing file ' + tc_filename)
128 self.assertTrue(tc_filename in finished_hook_called)
129 info_json_fn = os.path.splitext(tc_filename)[0] + '.info.json'
130 self.assertTrue(os.path.exists(info_json_fn))
131 if 'md5' in tc:
132 md5_for_file = _file_md5(tc_filename)
133 self.assertEqual(md5_for_file, tc['md5'])
134 with io.open(info_json_fn, encoding='utf-8') as infof:
135 info_dict = json.load(infof)
136
137 expect_info_dict(self, tc.get('info_dict', {}), info_dict)
138 finally:
139 try_rm_tcs_files()
140
141 return test_template
142
143 ### And add them to TestDownload
144 for n, test_case in enumerate(defs):
145 test_method = generator(test_case)
146 tname = 'test_' + str(test_case['name'])
147 i = 1
148 while hasattr(TestDownload, tname):
149 tname = 'test_' + str(test_case['name']) + '_' + str(i)
150 i += 1
151 test_method.__name__ = tname
152 setattr(TestDownload, test_method.__name__, test_method)
153 del test_method
154
155
156 if __name__ == '__main__':
157 unittest.main()