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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 get_testcases,
12 global_setup,
13 try_rm,
14 md5,
15 report_warning
16 )
17 global_setup()
18
19
20 import hashlib
21 import io
22 import json
23 import socket
24
25 import youtube_dl.YoutubeDL
26 from youtube_dl.utils import (
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 = get_testcases()
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 print_skipping('The output file cannot be know, the "file" '
77 'key is missing or the info_dict is incomplete')
78 return
79 if 'skip' in test_case:
80 print_skipping(test_case['skip'])
81 return
82 for other_ie in other_ies:
83 if not other_ie.working():
84 print_skipping(u'test depends on %sIE, marked as not WORKING' % other_ie.ie_key())
85 return
86
87 params = get_params(test_case.get('params', {}))
88
89 ydl = YoutubeDL(params)
90 ydl.add_default_info_extractors()
91 finished_hook_called = set()
92 def _hook(status):
93 if status['status'] == 'finished':
94 finished_hook_called.add(status['filename'])
95 ydl.fd.add_progress_hook(_hook)
96
97 def get_tc_filename(tc):
98 return tc.get('file') or ydl.prepare_filename(tc.get('info_dict', {}))
99
100 test_cases = test_case.get('playlist', [test_case])
101 def try_rm_tcs_files():
102 for tc in test_cases:
103 tc_filename = get_tc_filename(tc)
104 try_rm(tc_filename)
105 try_rm(tc_filename + '.part')
106 try_rm(tc_filename + '.info.json')
107 try_rm_tcs_files()
108 try:
109 try_num = 1
110 while True:
111 try:
112 ydl.download([test_case['url']])
113 except (DownloadError, ExtractorError) as err:
114 # Check if the exception is not a network related one
115 if not err.exc_info[0] in (compat_urllib_error.URLError, socket.timeout, UnavailableVideoError) or (err.exc_info[0] == compat_HTTPError and err.exc_info[1].code == 503):
116 raise
117
118 if try_num == RETRIES:
119 report_warning(u'Failed due to network errors, skipping...')
120 return
121
122 print('Retrying: {0} failed tries\n\n##########\n\n'.format(try_num))
123
124 try_num += 1
125 else:
126 break
127
128 for tc in test_cases:
129 tc_filename = get_tc_filename(tc)
130 if not test_case.get('params', {}).get('skip_download', False):
131 self.assertTrue(os.path.exists(tc_filename), msg='Missing file ' + tc_filename)
132 self.assertTrue(tc_filename in finished_hook_called)
133 self.assertTrue(os.path.exists(tc_filename + '.info.json'))
134 if 'md5' in tc:
135 md5_for_file = _file_md5(tc_filename)
136 self.assertEqual(md5_for_file, tc['md5'])
137 with io.open(tc_filename + '.info.json', encoding='utf-8') as infof:
138 info_dict = json.load(infof)
139 for (info_field, expected) in tc.get('info_dict', {}).items():
140 if isinstance(expected, compat_str) and expected.startswith('md5:'):
141 got = 'md5:' + md5(info_dict.get(info_field))
142 else:
143 got = info_dict.get(info_field)
144 self.assertEqual(expected, got,
145 u'invalid value for field %s, expected %r, got %r' % (info_field, expected, got))
146
147 # If checkable fields are missing from the test case, print the info_dict
148 test_info_dict = dict((key, value if not isinstance(value, compat_str) or len(value) < 250 else 'md5:' + md5(value))
149 for key, value in info_dict.items()
150 if value and key in ('title', 'description', 'uploader', 'upload_date', 'uploader_id', 'location'))
151 if not all(key in tc.get('info_dict', {}).keys() for key in test_info_dict.keys()):
152 sys.stderr.write(u'\n"info_dict": ' + json.dumps(test_info_dict, ensure_ascii=False, indent=2) + u'\n')
153
154 # Check for the presence of mandatory fields
155 for key in ('id', 'url', 'title', 'ext'):
156 self.assertTrue(key in info_dict.keys() and info_dict[key])
157 # Check for mandatory fields that are automatically set by YoutubeDL
158 for key in ['webpage_url', 'extractor', 'extractor_key']:
159 self.assertTrue(info_dict.get(key), u'Missing field: %s' % key)
160 finally:
161 try_rm_tcs_files()
162
163 return test_template
164
165 ### And add them to TestDownload
166 for n, test_case in enumerate(defs):
167 test_method = generator(test_case)
168 tname = 'test_' + str(test_case['name'])
169 i = 1
170 while hasattr(TestDownload, tname):
171 tname = 'test_' + str(test_case['name']) + '_' + str(i)
172 i += 1
173 test_method.__name__ = tname
174 setattr(TestDownload, test_method.__name__, test_method)
175 del test_method
176
177
178 if __name__ == '__main__':
179 unittest.main()