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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 try_rm,
13 md5,
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_str,
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 = get_testcases()
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 print_skipping('The output file cannot be know, the "file" '
75 'key is missing or the info_dict is incomplete')
76 return
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.fd.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) 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 for (info_field, expected) in tc.get('info_dict', {}).items():
139 if isinstance(expected, compat_str) and expected.startswith('md5:'):
140 got = 'md5:' + md5(info_dict.get(info_field))
141 else:
142 got = info_dict.get(info_field)
143 self.assertEqual(expected, got,
144 u'invalid value for field %s, expected %r, got %r' % (info_field, expected, got))
145
146 # If checkable fields are missing from the test case, print the info_dict
147 test_info_dict = dict((key, value if not isinstance(value, compat_str) or len(value) < 250 else 'md5:' + md5(value))
148 for key, value in info_dict.items()
149 if value and key in ('title', 'description', 'uploader', 'upload_date', 'uploader_id', 'location'))
150 if not all(key in tc.get('info_dict', {}).keys() for key in test_info_dict.keys()):
151 sys.stderr.write(u'\n"info_dict": ' + json.dumps(test_info_dict, ensure_ascii=False, indent=2) + u'\n')
152
153 # Check for the presence of mandatory fields
154 for key in ('id', 'url', 'title', 'ext'):
155 self.assertTrue(key in info_dict.keys() and info_dict[key])
156 # Check for mandatory fields that are automatically set by YoutubeDL
157 for key in ['webpage_url', 'extractor', 'extractor_key']:
158 self.assertTrue(info_dict.get(key), u'Missing field: %s' % key)
159 finally:
160 try_rm_tcs_files()
161
162 return test_template
163
164 ### And add them to TestDownload
165 for n, test_case in enumerate(defs):
166 test_method = generator(test_case)
167 tname = 'test_' + str(test_case['name'])
168 i = 1
169 while hasattr(TestDownload, tname):
170 tname = 'test_' + str(test_case['name']) + '_' + str(i)
171 i += 1
172 test_method.__name__ = tname
173 setattr(TestDownload, test_method.__name__, test_method)
174 del test_method
175
176
177 if __name__ == '__main__':
178 unittest.main()