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1 | import errno | |
2 | import hashlib | |
3 | import json | |
4 | import os.path | |
5 | import re | |
6 | import ssl | |
7 | import sys | |
8 | import types | |
9 | ||
10 | import yt_dlp.extractor | |
11 | from yt_dlp import YoutubeDL | |
12 | from yt_dlp.compat import compat_os_name, compat_str | |
13 | from yt_dlp.utils import preferredencoding, write_string | |
14 | ||
15 | if 'pytest' in sys.modules: | |
16 | import pytest | |
17 | is_download_test = pytest.mark.download | |
18 | else: | |
19 | def is_download_test(testClass): | |
20 | return testClass | |
21 | ||
22 | ||
23 | def get_params(override=None): | |
24 | PARAMETERS_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)), | |
25 | 'parameters.json') | |
26 | LOCAL_PARAMETERS_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)), | |
27 | 'local_parameters.json') | |
28 | with open(PARAMETERS_FILE, encoding='utf-8') as pf: | |
29 | parameters = json.load(pf) | |
30 | if os.path.exists(LOCAL_PARAMETERS_FILE): | |
31 | with open(LOCAL_PARAMETERS_FILE, encoding='utf-8') as pf: | |
32 | parameters.update(json.load(pf)) | |
33 | if override: | |
34 | parameters.update(override) | |
35 | return parameters | |
36 | ||
37 | ||
38 | def try_rm(filename): | |
39 | """ Remove a file if it exists """ | |
40 | try: | |
41 | os.remove(filename) | |
42 | except OSError as ose: | |
43 | if ose.errno != errno.ENOENT: | |
44 | raise | |
45 | ||
46 | ||
47 | def report_warning(message): | |
48 | ''' | |
49 | Print the message to stderr, it will be prefixed with 'WARNING:' | |
50 | If stderr is a tty file the 'WARNING:' will be colored | |
51 | ''' | |
52 | if sys.stderr.isatty() and compat_os_name != 'nt': | |
53 | _msg_header = '\033[0;33mWARNING:\033[0m' | |
54 | else: | |
55 | _msg_header = 'WARNING:' | |
56 | output = f'{_msg_header} {message}\n' | |
57 | if 'b' in getattr(sys.stderr, 'mode', ''): | |
58 | output = output.encode(preferredencoding()) | |
59 | sys.stderr.write(output) | |
60 | ||
61 | ||
62 | class FakeYDL(YoutubeDL): | |
63 | def __init__(self, override=None): | |
64 | # Different instances of the downloader can't share the same dictionary | |
65 | # some test set the "sublang" parameter, which would break the md5 checks. | |
66 | params = get_params(override=override) | |
67 | super().__init__(params, auto_init=False) | |
68 | self.result = [] | |
69 | ||
70 | def to_screen(self, s, skip_eol=None): | |
71 | print(s) | |
72 | ||
73 | def trouble(self, s, tb=None): | |
74 | raise Exception(s) | |
75 | ||
76 | def download(self, x): | |
77 | self.result.append(x) | |
78 | ||
79 | def expect_warning(self, regex): | |
80 | # Silence an expected warning matching a regex | |
81 | old_report_warning = self.report_warning | |
82 | ||
83 | def report_warning(self, message): | |
84 | if re.match(regex, message): | |
85 | return | |
86 | old_report_warning(message) | |
87 | self.report_warning = types.MethodType(report_warning, self) | |
88 | ||
89 | ||
90 | def gettestcases(include_onlymatching=False): | |
91 | for ie in yt_dlp.extractor.gen_extractors(): | |
92 | yield from ie.get_testcases(include_onlymatching) | |
93 | ||
94 | ||
95 | md5 = lambda s: hashlib.md5(s.encode()).hexdigest() | |
96 | ||
97 | ||
98 | def expect_value(self, got, expected, field): | |
99 | if isinstance(expected, compat_str) and expected.startswith('re:'): | |
100 | match_str = expected[len('re:'):] | |
101 | match_rex = re.compile(match_str) | |
102 | ||
103 | self.assertTrue( | |
104 | isinstance(got, compat_str), | |
105 | f'Expected a {compat_str.__name__} object, but got {type(got).__name__} for field {field}') | |
106 | self.assertTrue( | |
107 | match_rex.match(got), | |
108 | f'field {field} (value: {got!r}) should match {match_str!r}') | |
109 | elif isinstance(expected, compat_str) and expected.startswith('startswith:'): | |
110 | start_str = expected[len('startswith:'):] | |
111 | self.assertTrue( | |
112 | isinstance(got, compat_str), | |
113 | f'Expected a {compat_str.__name__} object, but got {type(got).__name__} for field {field}') | |
114 | self.assertTrue( | |
115 | got.startswith(start_str), | |
116 | f'field {field} (value: {got!r}) should start with {start_str!r}') | |
117 | elif isinstance(expected, compat_str) and expected.startswith('contains:'): | |
118 | contains_str = expected[len('contains:'):] | |
119 | self.assertTrue( | |
120 | isinstance(got, compat_str), | |
121 | f'Expected a {compat_str.__name__} object, but got {type(got).__name__} for field {field}') | |
122 | self.assertTrue( | |
123 | contains_str in got, | |
124 | f'field {field} (value: {got!r}) should contain {contains_str!r}') | |
125 | elif isinstance(expected, type): | |
126 | self.assertTrue( | |
127 | isinstance(got, expected), | |
128 | f'Expected type {expected!r} for field {field}, but got value {got!r} of type {type(got)!r}') | |
129 | elif isinstance(expected, dict) and isinstance(got, dict): | |
130 | expect_dict(self, got, expected) | |
131 | elif isinstance(expected, list) and isinstance(got, list): | |
132 | self.assertEqual( | |
133 | len(expected), len(got), | |
134 | 'Expect a list of length %d, but got a list of length %d for field %s' % ( | |
135 | len(expected), len(got), field)) | |
136 | for index, (item_got, item_expected) in enumerate(zip(got, expected)): | |
137 | type_got = type(item_got) | |
138 | type_expected = type(item_expected) | |
139 | self.assertEqual( | |
140 | type_expected, type_got, | |
141 | 'Type mismatch for list item at index %d for field %s, expected %r, got %r' % ( | |
142 | index, field, type_expected, type_got)) | |
143 | expect_value(self, item_got, item_expected, field) | |
144 | else: | |
145 | if isinstance(expected, compat_str) and expected.startswith('md5:'): | |
146 | self.assertTrue( | |
147 | isinstance(got, compat_str), | |
148 | f'Expected field {field} to be a unicode object, but got value {got!r} of type {type(got)!r}') | |
149 | got = 'md5:' + md5(got) | |
150 | elif isinstance(expected, compat_str) and re.match(r'^(?:min|max)?count:\d+', expected): | |
151 | self.assertTrue( | |
152 | isinstance(got, (list, dict)), | |
153 | f'Expected field {field} to be a list or a dict, but it is of type {type(got).__name__}') | |
154 | op, _, expected_num = expected.partition(':') | |
155 | expected_num = int(expected_num) | |
156 | if op == 'mincount': | |
157 | assert_func = assertGreaterEqual | |
158 | msg_tmpl = 'Expected %d items in field %s, but only got %d' | |
159 | elif op == 'maxcount': | |
160 | assert_func = assertLessEqual | |
161 | msg_tmpl = 'Expected maximum %d items in field %s, but got %d' | |
162 | elif op == 'count': | |
163 | assert_func = assertEqual | |
164 | msg_tmpl = 'Expected exactly %d items in field %s, but got %d' | |
165 | else: | |
166 | assert False | |
167 | assert_func( | |
168 | self, len(got), expected_num, | |
169 | msg_tmpl % (expected_num, field, len(got))) | |
170 | return | |
171 | self.assertEqual( | |
172 | expected, got, | |
173 | f'Invalid value for field {field}, expected {expected!r}, got {got!r}') | |
174 | ||
175 | ||
176 | def expect_dict(self, got_dict, expected_dict): | |
177 | for info_field, expected in expected_dict.items(): | |
178 | got = got_dict.get(info_field) | |
179 | expect_value(self, got, expected, info_field) | |
180 | ||
181 | ||
182 | def sanitize_got_info_dict(got_dict): | |
183 | IGNORED_FIELDS = ( | |
184 | *YoutubeDL._format_fields, | |
185 | ||
186 | # Lists | |
187 | 'formats', 'thumbnails', 'subtitles', 'automatic_captions', 'comments', 'entries', | |
188 | ||
189 | # Auto-generated | |
190 | 'autonumber', 'playlist', 'format_index', 'video_ext', 'audio_ext', 'duration_string', 'epoch', | |
191 | 'fulltitle', 'extractor', 'extractor_key', 'filepath', 'infojson_filename', 'original_url', 'n_entries', | |
192 | ||
193 | # Only live_status needs to be checked | |
194 | 'is_live', 'was_live', | |
195 | ) | |
196 | ||
197 | IGNORED_PREFIXES = ('', 'playlist', 'requested', 'webpage') | |
198 | ||
199 | def sanitize(key, value): | |
200 | if isinstance(value, str) and len(value) > 100 and key != 'thumbnail': | |
201 | return f'md5:{md5(value)}' | |
202 | elif isinstance(value, list) and len(value) > 10: | |
203 | return f'count:{len(value)}' | |
204 | elif key.endswith('_count') and isinstance(value, int): | |
205 | return int | |
206 | return value | |
207 | ||
208 | test_info_dict = { | |
209 | key: sanitize(key, value) for key, value in got_dict.items() | |
210 | if value is not None and key not in IGNORED_FIELDS and not any( | |
211 | key.startswith(f'{prefix}_') for prefix in IGNORED_PREFIXES) | |
212 | } | |
213 | ||
214 | # display_id may be generated from id | |
215 | if test_info_dict.get('display_id') == test_info_dict.get('id'): | |
216 | test_info_dict.pop('display_id') | |
217 | ||
218 | return test_info_dict | |
219 | ||
220 | ||
221 | def expect_info_dict(self, got_dict, expected_dict): | |
222 | expect_dict(self, got_dict, expected_dict) | |
223 | # Check for the presence of mandatory fields | |
224 | if got_dict.get('_type') not in ('playlist', 'multi_video'): | |
225 | mandatory_fields = ['id', 'title'] | |
226 | if expected_dict.get('ext'): | |
227 | mandatory_fields.extend(('url', 'ext')) | |
228 | for key in mandatory_fields: | |
229 | self.assertTrue(got_dict.get(key), 'Missing mandatory field %s' % key) | |
230 | # Check for mandatory fields that are automatically set by YoutubeDL | |
231 | for key in ['webpage_url', 'extractor', 'extractor_key']: | |
232 | self.assertTrue(got_dict.get(key), 'Missing field: %s' % key) | |
233 | ||
234 | test_info_dict = sanitize_got_info_dict(got_dict) | |
235 | ||
236 | missing_keys = set(test_info_dict.keys()) - set(expected_dict.keys()) | |
237 | if missing_keys: | |
238 | def _repr(v): | |
239 | if isinstance(v, compat_str): | |
240 | return "'%s'" % v.replace('\\', '\\\\').replace("'", "\\'").replace('\n', '\\n') | |
241 | elif isinstance(v, type): | |
242 | return v.__name__ | |
243 | else: | |
244 | return repr(v) | |
245 | info_dict_str = '' | |
246 | if len(missing_keys) != len(expected_dict): | |
247 | info_dict_str += ''.join( | |
248 | f' {_repr(k)}: {_repr(v)},\n' | |
249 | for k, v in test_info_dict.items() if k not in missing_keys) | |
250 | ||
251 | if info_dict_str: | |
252 | info_dict_str += '\n' | |
253 | info_dict_str += ''.join( | |
254 | f' {_repr(k)}: {_repr(test_info_dict[k])},\n' | |
255 | for k in missing_keys) | |
256 | write_string( | |
257 | '\n\'info_dict\': {\n' + info_dict_str + '},\n', out=sys.stderr) | |
258 | self.assertFalse( | |
259 | missing_keys, | |
260 | 'Missing keys in test definition: %s' % ( | |
261 | ', '.join(sorted(missing_keys)))) | |
262 | ||
263 | ||
264 | def assertRegexpMatches(self, text, regexp, msg=None): | |
265 | if hasattr(self, 'assertRegexp'): | |
266 | return self.assertRegexp(text, regexp, msg) | |
267 | else: | |
268 | m = re.match(regexp, text) | |
269 | if not m: | |
270 | note = 'Regexp didn\'t match: %r not found' % (regexp) | |
271 | if len(text) < 1000: | |
272 | note += ' in %r' % text | |
273 | if msg is None: | |
274 | msg = note | |
275 | else: | |
276 | msg = note + ', ' + msg | |
277 | self.assertTrue(m, msg) | |
278 | ||
279 | ||
280 | def assertGreaterEqual(self, got, expected, msg=None): | |
281 | if not (got >= expected): | |
282 | if msg is None: | |
283 | msg = f'{got!r} not greater than or equal to {expected!r}' | |
284 | self.assertTrue(got >= expected, msg) | |
285 | ||
286 | ||
287 | def assertLessEqual(self, got, expected, msg=None): | |
288 | if not (got <= expected): | |
289 | if msg is None: | |
290 | msg = f'{got!r} not less than or equal to {expected!r}' | |
291 | self.assertTrue(got <= expected, msg) | |
292 | ||
293 | ||
294 | def assertEqual(self, got, expected, msg=None): | |
295 | if not (got == expected): | |
296 | if msg is None: | |
297 | msg = f'{got!r} not equal to {expected!r}' | |
298 | self.assertTrue(got == expected, msg) | |
299 | ||
300 | ||
301 | def expect_warnings(ydl, warnings_re): | |
302 | real_warning = ydl.report_warning | |
303 | ||
304 | def _report_warning(w): | |
305 | if not any(re.search(w_re, w) for w_re in warnings_re): | |
306 | real_warning(w) | |
307 | ||
308 | ydl.report_warning = _report_warning | |
309 | ||
310 | ||
311 | def http_server_port(httpd): | |
312 | if os.name == 'java' and isinstance(httpd.socket, ssl.SSLSocket): | |
313 | # In Jython SSLSocket is not a subclass of socket.socket | |
314 | sock = httpd.socket.sock | |
315 | else: | |
316 | sock = httpd.socket | |
317 | return sock.getsockname()[1] |