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