Raphaël G. Git Repositories - youtubedl/blob - test/test_utils.py

   1 #!/usr/bin/env python
   2 # coding: utf-8
   3
   4 from __future__ import unicode_literals
   5
   6 # Allow direct execution
   7 import os
   8 import sys
   9 import unittest
  10 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
  11
  12
  13 # Various small unit tests
  14 import io
  15 import json
  16 import xml.etree.ElementTree
  17
  18 from youtube_dl.utils import (
  19     age_restricted,
  20     args_to_str,
  21     encode_base_n,
  22     clean_html,
  23     date_from_str,
  24     DateRange,
  25     detect_exe_version,
  26     determine_ext,
  27     dict_get,
  28     encode_compat_str,
  29     encodeFilename,
  30     escape_rfc3986,
  31     escape_url,
  32     extract_attributes,
  33     ExtractorError,
  34     find_xpath_attr,
  35     fix_xml_ampersands,
  36     get_element_by_class,
  37     InAdvancePagedList,
  38     intlist_to_bytes,
  39     is_html,
  40     js_to_json,
  41     limit_length,
  42     ohdave_rsa_encrypt,
  43     OnDemandPagedList,
  44     orderedSet,
  45     parse_age_limit,
  46     parse_duration,
  47     parse_filesize,
  48     parse_count,
  49     parse_iso8601,
  50     read_batch_urls,
  51     sanitize_filename,
  52     sanitize_path,
  53     prepend_extension,
  54     replace_extension,
  55     remove_start,
  56     remove_end,
  57     remove_quotes,
  58     shell_quote,
  59     smuggle_url,
  60     str_to_int,
  61     strip_jsonp,
  62     timeconvert,
  63     unescapeHTML,
  64     unified_strdate,
  65     unified_timestamp,
  66     unsmuggle_url,
  67     uppercase_escape,
  68     lowercase_escape,
  69     url_basename,
  70     urlencode_postdata,
  71     urshift,
  72     update_url_query,
  73     version_tuple,
  74     xpath_with_ns,
  75     xpath_element,
  76     xpath_text,
  77     xpath_attr,
  78     render_table,
  79     match_str,
  80     parse_dfxp_time_expr,
  81     dfxp2srt,
  82     cli_option,
  83     cli_valueless_option,
  84     cli_bool_option,
  85     parse_codecs,
  86 )
  87 from youtube_dl.compat import (
  88     compat_chr,
  89     compat_etree_fromstring,
  90     compat_urlparse,
  91     compat_parse_qs,
  92 )
  93
  94
  95 class TestUtil(unittest.TestCase):
  96     def test_timeconvert(self):
  97         self.assertTrue(timeconvert('') is None)
  98         self.assertTrue(timeconvert('bougrg') is None)
  99
 100     def test_sanitize_filename(self):
 101         self.assertEqual(sanitize_filename('abc'), 'abc')
 102         self.assertEqual(sanitize_filename('abc_d-e'), 'abc_d-e')
 103
 104         self.assertEqual(sanitize_filename('123'), '123')
 105
 106         self.assertEqual('abc_de', sanitize_filename('abc/de'))
 107         self.assertFalse('/' in sanitize_filename('abc/de///'))
 108
 109         self.assertEqual('abc_de', sanitize_filename('abc/<>\\*|de'))
 110         self.assertEqual('xxx', sanitize_filename('xxx/<>\\*|'))
 111         self.assertEqual('yes no', sanitize_filename('yes? no'))
 112         self.assertEqual('this - that', sanitize_filename('this: that'))
 113
 114         self.assertEqual(sanitize_filename('AT&T'), 'AT&T')
 115         aumlaut = 'ä'
 116         self.assertEqual(sanitize_filename(aumlaut), aumlaut)
 117         tests = '\u043a\u0438\u0440\u0438\u043b\u043b\u0438\u0446\u0430'
 118         self.assertEqual(sanitize_filename(tests), tests)
 119
 120         self.assertEqual(
 121             sanitize_filename('New World record at 0:12:34'),
 122             'New World record at 0_12_34')
 123
 124         self.assertEqual(sanitize_filename('--gasdgf'), '_-gasdgf')
 125         self.assertEqual(sanitize_filename('--gasdgf', is_id=True), '--gasdgf')
 126         self.assertEqual(sanitize_filename('.gasdgf'), 'gasdgf')
 127         self.assertEqual(sanitize_filename('.gasdgf', is_id=True), '.gasdgf')
 128
 129         forbidden = '"\0\\/'
 130         for fc in forbidden:
 131             for fbc in forbidden:
 132                 self.assertTrue(fbc not in sanitize_filename(fc))
 133
 134     def test_sanitize_filename_restricted(self):
 135         self.assertEqual(sanitize_filename('abc', restricted=True), 'abc')
 136         self.assertEqual(sanitize_filename('abc_d-e', restricted=True), 'abc_d-e')
 137
 138         self.assertEqual(sanitize_filename('123', restricted=True), '123')
 139
 140         self.assertEqual('abc_de', sanitize_filename('abc/de', restricted=True))
 141         self.assertFalse('/' in sanitize_filename('abc/de///', restricted=True))
 142
 143         self.assertEqual('abc_de', sanitize_filename('abc/<>\\*|de', restricted=True))
 144         self.assertEqual('xxx', sanitize_filename('xxx/<>\\*|', restricted=True))
 145         self.assertEqual('yes_no', sanitize_filename('yes? no', restricted=True))
 146         self.assertEqual('this_-_that', sanitize_filename('this: that', restricted=True))
 147
 148         tests = 'aäb\u4e2d\u56fd\u7684c'
 149         self.assertEqual(sanitize_filename(tests, restricted=True), 'aab_c')
 150         self.assertTrue(sanitize_filename('\xf6', restricted=True) != '')  # No empty filename
 151
 152         forbidden = '"\0\\/&!: \'\t\n()[]{}$;`^,#'
 153         for fc in forbidden:
 154             for fbc in forbidden:
 155                 self.assertTrue(fbc not in sanitize_filename(fc, restricted=True))
 156
 157         # Handle a common case more neatly
 158         self.assertEqual(sanitize_filename('\u5927\u58f0\u5e26 - Song', restricted=True), 'Song')
 159         self.assertEqual(sanitize_filename('\u603b\u7edf: Speech', restricted=True), 'Speech')
 160         # .. but make sure the file name is never empty
 161         self.assertTrue(sanitize_filename('-', restricted=True) != '')
 162         self.assertTrue(sanitize_filename(':', restricted=True) != '')
 163
 164         self.assertEqual(sanitize_filename(
 165             'ÂÃÄÀÁÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖŐØŒÙÚÛÜŰÝÞßàáâãäåæçèéêëìíîïðñòóôõöőøœùúûüűýþÿ', restricted=True),
 166             'AAAAAAAECEEEEIIIIDNOOOOOOOOEUUUUUYPssaaaaaaaeceeeeiiiionooooooooeuuuuuypy')
 167
 168     def test_sanitize_ids(self):
 169         self.assertEqual(sanitize_filename('_n_cd26wFpw', is_id=True), '_n_cd26wFpw')
 170         self.assertEqual(sanitize_filename('_BD_eEpuzXw', is_id=True), '_BD_eEpuzXw')
 171         self.assertEqual(sanitize_filename('N0Y__7-UOdI', is_id=True), 'N0Y__7-UOdI')
 172
 173     def test_sanitize_path(self):
 174         if sys.platform != 'win32':
 175             return
 176
 177         self.assertEqual(sanitize_path('abc'), 'abc')
 178         self.assertEqual(sanitize_path('abc/def'), 'abc\\def')
 179         self.assertEqual(sanitize_path('abc\\def'), 'abc\\def')
 180         self.assertEqual(sanitize_path('abc|def'), 'abc#def')
 181         self.assertEqual(sanitize_path('<>:"|?*'), '#######')
 182         self.assertEqual(sanitize_path('C:/abc/def'), 'C:\\abc\\def')
 183         self.assertEqual(sanitize_path('C?:/abc/def'), 'C##\\abc\\def')
 184
 185         self.assertEqual(sanitize_path('\\\\?\\UNC\\ComputerName\\abc'), '\\\\?\\UNC\\ComputerName\\abc')
 186         self.assertEqual(sanitize_path('\\\\?\\UNC/ComputerName/abc'), '\\\\?\\UNC\\ComputerName\\abc')
 187
 188         self.assertEqual(sanitize_path('\\\\?\\C:\\abc'), '\\\\?\\C:\\abc')
 189         self.assertEqual(sanitize_path('\\\\?\\C:/abc'), '\\\\?\\C:\\abc')
 190         self.assertEqual(sanitize_path('\\\\?\\C:\\ab?c\\de:f'), '\\\\?\\C:\\ab#c\\de#f')
 191         self.assertEqual(sanitize_path('\\\\?\\C:\\abc'), '\\\\?\\C:\\abc')
 192
 193         self.assertEqual(
 194             sanitize_path('youtube/%(uploader)s/%(autonumber)s-%(title)s-%(upload_date)s.%(ext)s'),
 195             'youtube\\%(uploader)s\\%(autonumber)s-%(title)s-%(upload_date)s.%(ext)s')
 196
 197         self.assertEqual(
 198             sanitize_path('youtube/TheWreckingYard ./00001-Not bad, Especially for Free! (1987 Yamaha 700)-20141116.mp4.part'),
 199             'youtube\\TheWreckingYard #\\00001-Not bad, Especially for Free! (1987 Yamaha 700)-20141116.mp4.part')
 200         self.assertEqual(sanitize_path('abc/def...'), 'abc\\def..#')
 201         self.assertEqual(sanitize_path('abc.../def'), 'abc..#\\def')
 202         self.assertEqual(sanitize_path('abc.../def...'), 'abc..#\\def..#')
 203
 204         self.assertEqual(sanitize_path('../abc'), '..\\abc')
 205         self.assertEqual(sanitize_path('../../abc'), '..\\..\\abc')
 206         self.assertEqual(sanitize_path('./abc'), 'abc')
 207         self.assertEqual(sanitize_path('./../abc'), '..\\abc')
 208
 209     def test_prepend_extension(self):
 210         self.assertEqual(prepend_extension('abc.ext', 'temp'), 'abc.temp.ext')
 211         self.assertEqual(prepend_extension('abc.ext', 'temp', 'ext'), 'abc.temp.ext')
 212         self.assertEqual(prepend_extension('abc.unexpected_ext', 'temp', 'ext'), 'abc.unexpected_ext.temp')
 213         self.assertEqual(prepend_extension('abc', 'temp'), 'abc.temp')
 214         self.assertEqual(prepend_extension('.abc', 'temp'), '.abc.temp')
 215         self.assertEqual(prepend_extension('.abc.ext', 'temp'), '.abc.temp.ext')
 216
 217     def test_replace_extension(self):
 218         self.assertEqual(replace_extension('abc.ext', 'temp'), 'abc.temp')
 219         self.assertEqual(replace_extension('abc.ext', 'temp', 'ext'), 'abc.temp')
 220         self.assertEqual(replace_extension('abc.unexpected_ext', 'temp', 'ext'), 'abc.unexpected_ext.temp')
 221         self.assertEqual(replace_extension('abc', 'temp'), 'abc.temp')
 222         self.assertEqual(replace_extension('.abc', 'temp'), '.abc.temp')
 223         self.assertEqual(replace_extension('.abc.ext', 'temp'), '.abc.temp')
 224
 225     def test_remove_start(self):
 226         self.assertEqual(remove_start(None, 'A - '), None)
 227         self.assertEqual(remove_start('A - B', 'A - '), 'B')
 228         self.assertEqual(remove_start('B - A', 'A - '), 'B - A')
 229
 230     def test_remove_end(self):
 231         self.assertEqual(remove_end(None, ' - B'), None)
 232         self.assertEqual(remove_end('A - B', ' - B'), 'A')
 233         self.assertEqual(remove_end('B - A', ' - B'), 'B - A')
 234
 235     def test_remove_quotes(self):
 236         self.assertEqual(remove_quotes(None), None)
 237         self.assertEqual(remove_quotes('"'), '"')
 238         self.assertEqual(remove_quotes("'"), "'")
 239         self.assertEqual(remove_quotes(';'), ';')
 240         self.assertEqual(remove_quotes('";'), '";')
 241         self.assertEqual(remove_quotes('""'), '')
 242         self.assertEqual(remove_quotes('";"'), ';')
 243
 244     def test_ordered_set(self):
 245         self.assertEqual(orderedSet([1, 1, 2, 3, 4, 4, 5, 6, 7, 3, 5]), [1, 2, 3, 4, 5, 6, 7])
 246         self.assertEqual(orderedSet([]), [])
 247         self.assertEqual(orderedSet([1]), [1])
 248         # keep the list ordered
 249         self.assertEqual(orderedSet([135, 1, 1, 1]), [135, 1])
 250
 251     def test_unescape_html(self):
 252         self.assertEqual(unescapeHTML('%20;'), '%20;')
 253         self.assertEqual(unescapeHTML('&#x2F;'), '/')
 254         self.assertEqual(unescapeHTML('&#47;'), '/')
 255         self.assertEqual(unescapeHTML('&eacute;'), 'é')
 256         self.assertEqual(unescapeHTML('&#2013266066;'), '&#2013266066;')
 257         # HTML5 entities
 258         self.assertEqual(unescapeHTML('&period;&apos;'), '.\'')
 259
 260     def test_date_from_str(self):
 261         self.assertEqual(date_from_str('yesterday'), date_from_str('now-1day'))
 262         self.assertEqual(date_from_str('now+7day'), date_from_str('now+1week'))
 263         self.assertEqual(date_from_str('now+14day'), date_from_str('now+2week'))
 264         self.assertEqual(date_from_str('now+365day'), date_from_str('now+1year'))
 265         self.assertEqual(date_from_str('now+30day'), date_from_str('now+1month'))
 266
 267     def test_daterange(self):
 268         _20century = DateRange("19000101", "20000101")
 269         self.assertFalse("17890714" in _20century)
 270         _ac = DateRange("00010101")
 271         self.assertTrue("19690721" in _ac)
 272         _firstmilenium = DateRange(end="10000101")
 273         self.assertTrue("07110427" in _firstmilenium)
 274
 275     def test_unified_dates(self):
 276         self.assertEqual(unified_strdate('December 21, 2010'), '20101221')
 277         self.assertEqual(unified_strdate('8/7/2009'), '20090708')
 278         self.assertEqual(unified_strdate('Dec 14, 2012'), '20121214')
 279         self.assertEqual(unified_strdate('2012/10/11 01:56:38 +0000'), '20121011')
 280         self.assertEqual(unified_strdate('1968 12 10'), '19681210')
 281         self.assertEqual(unified_strdate('1968-12-10'), '19681210')
 282         self.assertEqual(unified_strdate('28/01/2014 21:00:00 +0100'), '20140128')
 283         self.assertEqual(
 284             unified_strdate('11/26/2014 11:30:00 AM PST', day_first=False),
 285             '20141126')
 286         self.assertEqual(
 287             unified_strdate('2/2/2015 6:47:40 PM', day_first=False),
 288             '20150202')
 289         self.assertEqual(unified_strdate('Feb 14th 2016 5:45PM'), '20160214')
 290         self.assertEqual(unified_strdate('25-09-2014'), '20140925')
 291         self.assertEqual(unified_strdate('27.02.2016 17:30'), '20160227')
 292         self.assertEqual(unified_strdate('UNKNOWN DATE FORMAT'), None)
 293
 294     def test_unified_timestamps(self):
 295         self.assertEqual(unified_timestamp('December 21, 2010'), 1292889600)
 296         self.assertEqual(unified_timestamp('8/7/2009'), 1247011200)
 297         self.assertEqual(unified_timestamp('Dec 14, 2012'), 1355443200)
 298         self.assertEqual(unified_timestamp('2012/10/11 01:56:38 +0000'), 1349920598)
 299         self.assertEqual(unified_timestamp('1968 12 10'), -33436800)
 300         self.assertEqual(unified_timestamp('1968-12-10'), -33436800)
 301         self.assertEqual(unified_timestamp('28/01/2014 21:00:00 +0100'), 1390939200)
 302         self.assertEqual(
 303             unified_timestamp('11/26/2014 11:30:00 AM PST', day_first=False),
 304             1417001400)
 305         self.assertEqual(
 306             unified_timestamp('2/2/2015 6:47:40 PM', day_first=False),
 307             1422902860)
 308         self.assertEqual(unified_timestamp('Feb 14th 2016 5:45PM'), 1455471900)
 309         self.assertEqual(unified_timestamp('25-09-2014'), 1411603200)
 310         self.assertEqual(unified_timestamp('27.02.2016 17:30'), 1456594200)
 311         self.assertEqual(unified_timestamp('UNKNOWN DATE FORMAT'), None)
 312         self.assertEqual(unified_timestamp('May 16, 2016 11:15 PM'), 1463440500)
 313
 314     def test_determine_ext(self):
 315         self.assertEqual(determine_ext('http://example.com/foo/bar.mp4/?download'), 'mp4')
 316         self.assertEqual(determine_ext('http://example.com/foo/bar/?download', None), None)
 317         self.assertEqual(determine_ext('http://example.com/foo/bar.nonext/?download', None), None)
 318         self.assertEqual(determine_ext('http://example.com/foo/bar/mp4?download', None), None)
 319         self.assertEqual(determine_ext('http://example.com/foo/bar.m3u8//?download'), 'm3u8')
 320
 321     def test_find_xpath_attr(self):
 322         testxml = '''<root>
 323             <node/>
 324             <node x="a"/>
 325             <node x="a" y="c" />
 326             <node x="b" y="d" />
 327             <node x="" />
 328         </root>'''
 329         doc = compat_etree_fromstring(testxml)
 330
 331         self.assertEqual(find_xpath_attr(doc, './/fourohfour', 'n'), None)
 332         self.assertEqual(find_xpath_attr(doc, './/fourohfour', 'n', 'v'), None)
 333         self.assertEqual(find_xpath_attr(doc, './/node', 'n'), None)
 334         self.assertEqual(find_xpath_attr(doc, './/node', 'n', 'v'), None)
 335         self.assertEqual(find_xpath_attr(doc, './/node', 'x'), doc[1])
 336         self.assertEqual(find_xpath_attr(doc, './/node', 'x', 'a'), doc[1])
 337         self.assertEqual(find_xpath_attr(doc, './/node', 'x', 'b'), doc[3])
 338         self.assertEqual(find_xpath_attr(doc, './/node', 'y'), doc[2])
 339         self.assertEqual(find_xpath_attr(doc, './/node', 'y', 'c'), doc[2])
 340         self.assertEqual(find_xpath_attr(doc, './/node', 'y', 'd'), doc[3])
 341         self.assertEqual(find_xpath_attr(doc, './/node', 'x', ''), doc[4])
 342
 343     def test_xpath_with_ns(self):
 344         testxml = '''<root xmlns:media="http://example.com/">
 345             <media:song>
 346                 <media:author>The Author</media:author>
 347                 <url>http://server.com/download.mp3</url>
 348             </media:song>
 349         </root>'''
 350         doc = compat_etree_fromstring(testxml)
 351         find = lambda p: doc.find(xpath_with_ns(p, {'media': 'http://example.com/'}))
 352         self.assertTrue(find('media:song') is not None)
 353         self.assertEqual(find('media:song/media:author').text, 'The Author')
 354         self.assertEqual(find('media:song/url').text, 'http://server.com/download.mp3')
 355
 356     def test_xpath_element(self):
 357         doc = xml.etree.ElementTree.Element('root')
 358         div = xml.etree.ElementTree.SubElement(doc, 'div')
 359         p = xml.etree.ElementTree.SubElement(div, 'p')
 360         p.text = 'Foo'
 361         self.assertEqual(xpath_element(doc, 'div/p'), p)
 362         self.assertEqual(xpath_element(doc, ['div/p']), p)
 363         self.assertEqual(xpath_element(doc, ['div/bar', 'div/p']), p)
 364         self.assertEqual(xpath_element(doc, 'div/bar', default='default'), 'default')
 365         self.assertEqual(xpath_element(doc, ['div/bar'], default='default'), 'default')
 366         self.assertTrue(xpath_element(doc, 'div/bar') is None)
 367         self.assertTrue(xpath_element(doc, ['div/bar']) is None)
 368         self.assertTrue(xpath_element(doc, ['div/bar'], 'div/baz') is None)
 369         self.assertRaises(ExtractorError, xpath_element, doc, 'div/bar', fatal=True)
 370         self.assertRaises(ExtractorError, xpath_element, doc, ['div/bar'], fatal=True)
 371         self.assertRaises(ExtractorError, xpath_element, doc, ['div/bar', 'div/baz'], fatal=True)
 372
 373     def test_xpath_text(self):
 374         testxml = '''<root>
 375             <div>
 376                 <p>Foo</p>
 377             </div>
 378         </root>'''
 379         doc = compat_etree_fromstring(testxml)
 380         self.assertEqual(xpath_text(doc, 'div/p'), 'Foo')
 381         self.assertEqual(xpath_text(doc, 'div/bar', default='default'), 'default')
 382         self.assertTrue(xpath_text(doc, 'div/bar') is None)
 383         self.assertRaises(ExtractorError, xpath_text, doc, 'div/bar', fatal=True)
 384
 385     def test_xpath_attr(self):
 386         testxml = '''<root>
 387             <div>
 388                 <p x="a">Foo</p>
 389             </div>
 390         </root>'''
 391         doc = compat_etree_fromstring(testxml)
 392         self.assertEqual(xpath_attr(doc, 'div/p', 'x'), 'a')
 393         self.assertEqual(xpath_attr(doc, 'div/bar', 'x'), None)
 394         self.assertEqual(xpath_attr(doc, 'div/p', 'y'), None)
 395         self.assertEqual(xpath_attr(doc, 'div/bar', 'x', default='default'), 'default')
 396         self.assertEqual(xpath_attr(doc, 'div/p', 'y', default='default'), 'default')
 397         self.assertRaises(ExtractorError, xpath_attr, doc, 'div/bar', 'x', fatal=True)
 398         self.assertRaises(ExtractorError, xpath_attr, doc, 'div/p', 'y', fatal=True)
 399
 400     def test_smuggle_url(self):
 401         data = {"ö": "ö", "abc": [3]}
 402         url = 'https://foo.bar/baz?x=y#a'
 403         smug_url = smuggle_url(url, data)
 404         unsmug_url, unsmug_data = unsmuggle_url(smug_url)
 405         self.assertEqual(url, unsmug_url)
 406         self.assertEqual(data, unsmug_data)
 407
 408         res_url, res_data = unsmuggle_url(url)
 409         self.assertEqual(res_url, url)
 410         self.assertEqual(res_data, None)
 411
 412         smug_url = smuggle_url(url, {'a': 'b'})
 413         smug_smug_url = smuggle_url(smug_url, {'c': 'd'})
 414         res_url, res_data = unsmuggle_url(smug_smug_url)
 415         self.assertEqual(res_url, url)
 416         self.assertEqual(res_data, {'a': 'b', 'c': 'd'})
 417
 418     def test_shell_quote(self):
 419         args = ['ffmpeg', '-i', encodeFilename('ñ€ß\'.mp4')]
 420         self.assertEqual(shell_quote(args), """ffmpeg -i 'ñ€ß'"'"'.mp4'""")
 421
 422     def test_str_to_int(self):
 423         self.assertEqual(str_to_int('123,456'), 123456)
 424         self.assertEqual(str_to_int('123.456'), 123456)
 425
 426     def test_url_basename(self):
 427         self.assertEqual(url_basename('http://foo.de/'), '')
 428         self.assertEqual(url_basename('http://foo.de/bar/baz'), 'baz')
 429         self.assertEqual(url_basename('http://foo.de/bar/baz?x=y'), 'baz')
 430         self.assertEqual(url_basename('http://foo.de/bar/baz#x=y'), 'baz')
 431         self.assertEqual(url_basename('http://foo.de/bar/baz/'), 'baz')
 432         self.assertEqual(
 433             url_basename('http://media.w3.org/2010/05/sintel/trailer.mp4'),
 434             'trailer.mp4')
 435
 436     def test_parse_age_limit(self):
 437         self.assertEqual(parse_age_limit(None), None)
 438         self.assertEqual(parse_age_limit(False), None)
 439         self.assertEqual(parse_age_limit('invalid'), None)
 440         self.assertEqual(parse_age_limit(0), 0)
 441         self.assertEqual(parse_age_limit(18), 18)
 442         self.assertEqual(parse_age_limit(21), 21)
 443         self.assertEqual(parse_age_limit(22), None)
 444         self.assertEqual(parse_age_limit('18'), 18)
 445         self.assertEqual(parse_age_limit('18+'), 18)
 446         self.assertEqual(parse_age_limit('PG-13'), 13)
 447         self.assertEqual(parse_age_limit('TV-14'), 14)
 448         self.assertEqual(parse_age_limit('TV-MA'), 17)
 449
 450     def test_parse_duration(self):
 451         self.assertEqual(parse_duration(None), None)
 452         self.assertEqual(parse_duration(False), None)
 453         self.assertEqual(parse_duration('invalid'), None)
 454         self.assertEqual(parse_duration('1'), 1)
 455         self.assertEqual(parse_duration('1337:12'), 80232)
 456         self.assertEqual(parse_duration('9:12:43'), 33163)
 457         self.assertEqual(parse_duration('12:00'), 720)
 458         self.assertEqual(parse_duration('00:01:01'), 61)
 459         self.assertEqual(parse_duration('x:y'), None)
 460         self.assertEqual(parse_duration('3h11m53s'), 11513)
 461         self.assertEqual(parse_duration('3h 11m 53s'), 11513)
 462         self.assertEqual(parse_duration('3 hours 11 minutes 53 seconds'), 11513)
 463         self.assertEqual(parse_duration('3 hours 11 mins 53 secs'), 11513)
 464         self.assertEqual(parse_duration('62m45s'), 3765)
 465         self.assertEqual(parse_duration('6m59s'), 419)
 466         self.assertEqual(parse_duration('49s'), 49)
 467         self.assertEqual(parse_duration('0h0m0s'), 0)
 468         self.assertEqual(parse_duration('0m0s'), 0)
 469         self.assertEqual(parse_duration('0s'), 0)
 470         self.assertEqual(parse_duration('01:02:03.05'), 3723.05)
 471         self.assertEqual(parse_duration('T30M38S'), 1838)
 472         self.assertEqual(parse_duration('5 s'), 5)
 473         self.assertEqual(parse_duration('3 min'), 180)
 474         self.assertEqual(parse_duration('2.5 hours'), 9000)
 475         self.assertEqual(parse_duration('02:03:04'), 7384)
 476         self.assertEqual(parse_duration('01:02:03:04'), 93784)
 477         self.assertEqual(parse_duration('1 hour 3 minutes'), 3780)
 478         self.assertEqual(parse_duration('87 Min.'), 5220)
 479         self.assertEqual(parse_duration('PT1H0.040S'), 3600.04)
 480
 481     def test_fix_xml_ampersands(self):
 482         self.assertEqual(
 483             fix_xml_ampersands('"&x=y&z=a'), '"&amp;x=y&amp;z=a')
 484         self.assertEqual(
 485             fix_xml_ampersands('"&amp;x=y&wrong;&z=a'),
 486             '"&amp;x=y&amp;wrong;&amp;z=a')
 487         self.assertEqual(
 488             fix_xml_ampersands('&amp;&apos;&gt;&lt;&quot;'),
 489             '&amp;&apos;&gt;&lt;&quot;')
 490         self.assertEqual(
 491             fix_xml_ampersands('&#1234;&#x1abC;'), '&#1234;&#x1abC;')
 492         self.assertEqual(fix_xml_ampersands('&#&#'), '&amp;#&amp;#')
 493
 494     def test_paged_list(self):
 495         def testPL(size, pagesize, sliceargs, expected):
 496             def get_page(pagenum):
 497                 firstid = pagenum * pagesize
 498                 upto = min(size, pagenum * pagesize + pagesize)
 499                 for i in range(firstid, upto):
 500                     yield i
 501
 502             pl = OnDemandPagedList(get_page, pagesize)
 503             got = pl.getslice(*sliceargs)
 504             self.assertEqual(got, expected)
 505
 506             iapl = InAdvancePagedList(get_page, size // pagesize + 1, pagesize)
 507             got = iapl.getslice(*sliceargs)
 508             self.assertEqual(got, expected)
 509
 510         testPL(5, 2, (), [0, 1, 2, 3, 4])
 511         testPL(5, 2, (1,), [1, 2, 3, 4])
 512         testPL(5, 2, (2,), [2, 3, 4])
 513         testPL(5, 2, (4,), [4])
 514         testPL(5, 2, (0, 3), [0, 1, 2])
 515         testPL(5, 2, (1, 4), [1, 2, 3])
 516         testPL(5, 2, (2, 99), [2, 3, 4])
 517         testPL(5, 2, (20, 99), [])
 518
 519     def test_read_batch_urls(self):
 520         f = io.StringIO('''\xef\xbb\xbf foo
 521             bar\r
 522             baz
 523             # More after this line\r
 524             ; or after this
 525             bam''')
 526         self.assertEqual(read_batch_urls(f), ['foo', 'bar', 'baz', 'bam'])
 527
 528     def test_urlencode_postdata(self):
 529         data = urlencode_postdata({'username': 'foo@bar.com', 'password': '1234'})
 530         self.assertTrue(isinstance(data, bytes))
 531
 532     def test_update_url_query(self):
 533         def query_dict(url):
 534             return compat_parse_qs(compat_urlparse.urlparse(url).query)
 535         self.assertEqual(query_dict(update_url_query(
 536             'http://example.com/path', {'quality': ['HD'], 'format': ['mp4']})),
 537             query_dict('http://example.com/path?quality=HD&format=mp4'))
 538         self.assertEqual(query_dict(update_url_query(
 539             'http://example.com/path', {'system': ['LINUX', 'WINDOWS']})),
 540             query_dict('http://example.com/path?system=LINUX&system=WINDOWS'))
 541         self.assertEqual(query_dict(update_url_query(
 542             'http://example.com/path', {'fields': 'id,formats,subtitles'})),
 543             query_dict('http://example.com/path?fields=id,formats,subtitles'))
 544         self.assertEqual(query_dict(update_url_query(
 545             'http://example.com/path', {'fields': ('id,formats,subtitles', 'thumbnails')})),
 546             query_dict('http://example.com/path?fields=id,formats,subtitles&fields=thumbnails'))
 547         self.assertEqual(query_dict(update_url_query(
 548             'http://example.com/path?manifest=f4m', {'manifest': []})),
 549             query_dict('http://example.com/path'))
 550         self.assertEqual(query_dict(update_url_query(
 551             'http://example.com/path?system=LINUX&system=WINDOWS', {'system': 'LINUX'})),
 552             query_dict('http://example.com/path?system=LINUX'))
 553         self.assertEqual(query_dict(update_url_query(
 554             'http://example.com/path', {'fields': b'id,formats,subtitles'})),
 555             query_dict('http://example.com/path?fields=id,formats,subtitles'))
 556         self.assertEqual(query_dict(update_url_query(
 557             'http://example.com/path', {'width': 1080, 'height': 720})),
 558             query_dict('http://example.com/path?width=1080&height=720'))
 559         self.assertEqual(query_dict(update_url_query(
 560             'http://example.com/path', {'bitrate': 5020.43})),
 561             query_dict('http://example.com/path?bitrate=5020.43'))
 562         self.assertEqual(query_dict(update_url_query(
 563             'http://example.com/path', {'test': '第二行тест'})),
 564             query_dict('http://example.com/path?test=%E7%AC%AC%E4%BA%8C%E8%A1%8C%D1%82%D0%B5%D1%81%D1%82'))
 565
 566     def test_dict_get(self):
 567         FALSE_VALUES = {
 568             'none': None,
 569             'false': False,
 570             'zero': 0,
 571             'empty_string': '',
 572             'empty_list': [],
 573         }
 574         d = FALSE_VALUES.copy()
 575         d['a'] = 42
 576         self.assertEqual(dict_get(d, 'a'), 42)
 577         self.assertEqual(dict_get(d, 'b'), None)
 578         self.assertEqual(dict_get(d, 'b', 42), 42)
 579         self.assertEqual(dict_get(d, ('a', )), 42)
 580         self.assertEqual(dict_get(d, ('b', 'a', )), 42)
 581         self.assertEqual(dict_get(d, ('b', 'c', 'a', 'd', )), 42)
 582         self.assertEqual(dict_get(d, ('b', 'c', )), None)
 583         self.assertEqual(dict_get(d, ('b', 'c', ), 42), 42)
 584         for key, false_value in FALSE_VALUES.items():
 585             self.assertEqual(dict_get(d, ('b', 'c', key, )), None)
 586             self.assertEqual(dict_get(d, ('b', 'c', key, ), skip_false_values=False), false_value)
 587
 588     def test_encode_compat_str(self):
 589         self.assertEqual(encode_compat_str(b'\xd1\x82\xd0\xb5\xd1\x81\xd1\x82', 'utf-8'), 'тест')
 590         self.assertEqual(encode_compat_str('тест', 'utf-8'), 'тест')
 591
 592     def test_parse_iso8601(self):
 593         self.assertEqual(parse_iso8601('2014-03-23T23:04:26+0100'), 1395612266)
 594         self.assertEqual(parse_iso8601('2014-03-23T22:04:26+0000'), 1395612266)
 595         self.assertEqual(parse_iso8601('2014-03-23T22:04:26Z'), 1395612266)
 596         self.assertEqual(parse_iso8601('2014-03-23T22:04:26.1234Z'), 1395612266)
 597         self.assertEqual(parse_iso8601('2015-09-29T08:27:31.727'), 1443515251)
 598         self.assertEqual(parse_iso8601('2015-09-29T08-27-31.727'), None)
 599
 600     def test_strip_jsonp(self):
 601         stripped = strip_jsonp('cb ([ {"id":"532cb",\n\n\n"x":\n3}\n]\n);')
 602         d = json.loads(stripped)
 603         self.assertEqual(d, [{"id": "532cb", "x": 3}])
 604
 605         stripped = strip_jsonp('parseMetadata({"STATUS":"OK"})\n\n\n//epc')
 606         d = json.loads(stripped)
 607         self.assertEqual(d, {'STATUS': 'OK'})
 608
 609         stripped = strip_jsonp('ps.embedHandler({"status": "success"});')
 610         d = json.loads(stripped)
 611         self.assertEqual(d, {'status': 'success'})
 612
 613     def test_uppercase_escape(self):
 614         self.assertEqual(uppercase_escape('aä'), 'aä')
 615         self.assertEqual(uppercase_escape('\\U0001d550'), '𝕐')
 616
 617     def test_lowercase_escape(self):
 618         self.assertEqual(lowercase_escape('aä'), 'aä')
 619         self.assertEqual(lowercase_escape('\\u0026'), '&')
 620
 621     def test_limit_length(self):
 622         self.assertEqual(limit_length(None, 12), None)
 623         self.assertEqual(limit_length('foo', 12), 'foo')
 624         self.assertTrue(
 625             limit_length('foo bar baz asd', 12).startswith('foo bar'))
 626         self.assertTrue('...' in limit_length('foo bar baz asd', 12))
 627
 628     def test_parse_codecs(self):
 629         self.assertEqual(parse_codecs(''), {})
 630         self.assertEqual(parse_codecs('avc1.77.30, mp4a.40.2'), {
 631             'vcodec': 'avc1.77.30',
 632             'acodec': 'mp4a.40.2',
 633         })
 634         self.assertEqual(parse_codecs('mp4a.40.2'), {
 635             'vcodec': 'none',
 636             'acodec': 'mp4a.40.2',
 637         })
 638         self.assertEqual(parse_codecs('mp4a.40.5,avc1.42001e'), {
 639             'vcodec': 'avc1.42001e',
 640             'acodec': 'mp4a.40.5',
 641         })
 642         self.assertEqual(parse_codecs('avc3.640028'), {
 643             'vcodec': 'avc3.640028',
 644             'acodec': 'none',
 645         })
 646         self.assertEqual(parse_codecs(', h264,,newcodec,aac'), {
 647             'vcodec': 'h264',
 648             'acodec': 'aac',
 649         })
 650
 651     def test_escape_rfc3986(self):
 652         reserved = "!*'();:@&=+$,/?#[]"
 653         unreserved = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.~'
 654         self.assertEqual(escape_rfc3986(reserved), reserved)
 655         self.assertEqual(escape_rfc3986(unreserved), unreserved)
 656         self.assertEqual(escape_rfc3986('тест'), '%D1%82%D0%B5%D1%81%D1%82')
 657         self.assertEqual(escape_rfc3986('%D1%82%D0%B5%D1%81%D1%82'), '%D1%82%D0%B5%D1%81%D1%82')
 658         self.assertEqual(escape_rfc3986('foo bar'), 'foo%20bar')
 659         self.assertEqual(escape_rfc3986('foo%20bar'), 'foo%20bar')
 660
 661     def test_escape_url(self):
 662         self.assertEqual(
 663             escape_url('http://wowza.imust.org/srv/vod/telemb/new/UPLOAD/UPLOAD/20224_IncendieHavré_FD.mp4'),
 664             'http://wowza.imust.org/srv/vod/telemb/new/UPLOAD/UPLOAD/20224_IncendieHavre%CC%81_FD.mp4'
 665         )
 666         self.assertEqual(
 667             escape_url('http://www.ardmediathek.de/tv/Sturm-der-Liebe/Folge-2036-Zu-Mann-und-Frau-erklärt/Das-Erste/Video?documentId=22673108&bcastId=5290'),
 668             'http://www.ardmediathek.de/tv/Sturm-der-Liebe/Folge-2036-Zu-Mann-und-Frau-erkl%C3%A4rt/Das-Erste/Video?documentId=22673108&bcastId=5290'
 669         )
 670         self.assertEqual(
 671             escape_url('http://тест.рф/фрагмент'),
 672             'http://xn--e1aybc.xn--p1ai/%D1%84%D1%80%D0%B0%D0%B3%D0%BC%D0%B5%D0%BD%D1%82'
 673         )
 674         self.assertEqual(
 675             escape_url('http://тест.рф/абв?абв=абв#абв'),
 676             'http://xn--e1aybc.xn--p1ai/%D0%B0%D0%B1%D0%B2?%D0%B0%D0%B1%D0%B2=%D0%B0%D0%B1%D0%B2#%D0%B0%D0%B1%D0%B2'
 677         )
 678         self.assertEqual(escape_url('http://vimeo.com/56015672#at=0'), 'http://vimeo.com/56015672#at=0')
 679
 680     def test_js_to_json_realworld(self):
 681         inp = '''{
 682             'clip':{'provider':'pseudo'}
 683         }'''
 684         self.assertEqual(js_to_json(inp), '''{
 685             "clip":{"provider":"pseudo"}
 686         }''')
 687         json.loads(js_to_json(inp))
 688
 689         inp = '''{
 690             'playlist':[{'controls':{'all':null}}]
 691         }'''
 692         self.assertEqual(js_to_json(inp), '''{
 693             "playlist":[{"controls":{"all":null}}]
 694         }''')
 695
 696         inp = '''"The CW\\'s \\'Crazy Ex-Girlfriend\\'"'''
 697         self.assertEqual(js_to_json(inp), '''"The CW's 'Crazy Ex-Girlfriend'"''')
 698
 699         inp = '"SAND Number: SAND 2013-7800P\\nPresenter: Tom Russo\\nHabanero Software Training - Xyce Software\\nXyce, Sandia\\u0027s"'
 700         json_code = js_to_json(inp)
 701         self.assertEqual(json.loads(json_code), json.loads(inp))
 702
 703         inp = '''{
 704             0:{src:'skipped', type: 'application/dash+xml'},
 705             1:{src:'skipped', type: 'application/vnd.apple.mpegURL'},
 706         }'''
 707         self.assertEqual(js_to_json(inp), '''{
 708             "0":{"src":"skipped", "type": "application/dash+xml"},
 709             "1":{"src":"skipped", "type": "application/vnd.apple.mpegURL"}
 710         }''')
 711
 712         inp = '''{"foo":101}'''
 713         self.assertEqual(js_to_json(inp), '''{"foo":101}''')
 714
 715     def test_js_to_json_edgecases(self):
 716         on = js_to_json("{abc_def:'1\\'\\\\2\\\\\\'3\"4'}")
 717         self.assertEqual(json.loads(on), {"abc_def": "1'\\2\\'3\"4"})
 718
 719         on = js_to_json('{"abc": true}')
 720         self.assertEqual(json.loads(on), {'abc': True})
 721
 722         # Ignore JavaScript code as well
 723         on = js_to_json('''{
 724             "x": 1,
 725             y: "a",
 726             z: some.code
 727         }''')
 728         d = json.loads(on)
 729         self.assertEqual(d['x'], 1)
 730         self.assertEqual(d['y'], 'a')
 731
 732         on = js_to_json('["abc", "def",]')
 733         self.assertEqual(json.loads(on), ['abc', 'def'])
 734
 735         on = js_to_json('{"abc": "def",}')
 736         self.assertEqual(json.loads(on), {'abc': 'def'})
 737
 738         on = js_to_json('{ 0: /* " \n */ ",]" , }')
 739         self.assertEqual(json.loads(on), {'0': ',]'})
 740
 741         on = js_to_json(r'["<p>x<\/p>"]')
 742         self.assertEqual(json.loads(on), ['<p>x</p>'])
 743
 744         on = js_to_json(r'["\xaa"]')
 745         self.assertEqual(json.loads(on), ['\u00aa'])
 746
 747         on = js_to_json("['a\\\nb']")
 748         self.assertEqual(json.loads(on), ['ab'])
 749
 750         on = js_to_json('{0xff:0xff}')
 751         self.assertEqual(json.loads(on), {'255': 255})
 752
 753         on = js_to_json('{077:077}')
 754         self.assertEqual(json.loads(on), {'63': 63})
 755
 756         on = js_to_json('{42:42}')
 757         self.assertEqual(json.loads(on), {'42': 42})
 758
 759     def test_extract_attributes(self):
 760         self.assertEqual(extract_attributes('<e x="y">'), {'x': 'y'})
 761         self.assertEqual(extract_attributes("<e x='y'>"), {'x': 'y'})
 762         self.assertEqual(extract_attributes('<e x=y>'), {'x': 'y'})
 763         self.assertEqual(extract_attributes('<e x="a \'b\' c">'), {'x': "a 'b' c"})
 764         self.assertEqual(extract_attributes('<e x=\'a "b" c\'>'), {'x': 'a "b" c'})
 765         self.assertEqual(extract_attributes('<e x="&#121;">'), {'x': 'y'})
 766         self.assertEqual(extract_attributes('<e x="&#x79;">'), {'x': 'y'})
 767         self.assertEqual(extract_attributes('<e x="&amp;">'), {'x': '&'})  # XML
 768         self.assertEqual(extract_attributes('<e x="&quot;">'), {'x': '"'})
 769         self.assertEqual(extract_attributes('<e x="&pound;">'), {'x': '£'})  # HTML 3.2
 770         self.assertEqual(extract_attributes('<e x="&lambda;">'), {'x': 'λ'})  # HTML 4.0
 771         self.assertEqual(extract_attributes('<e x="&foo">'), {'x': '&foo'})
 772         self.assertEqual(extract_attributes('<e x="\'">'), {'x': "'"})
 773         self.assertEqual(extract_attributes('<e x=\'"\'>'), {'x': '"'})
 774         self.assertEqual(extract_attributes('<e x >'), {'x': None})
 775         self.assertEqual(extract_attributes('<e x=y a>'), {'x': 'y', 'a': None})
 776         self.assertEqual(extract_attributes('<e x= y>'), {'x': 'y'})
 777         self.assertEqual(extract_attributes('<e x=1 y=2 x=3>'), {'y': '2', 'x': '3'})
 778         self.assertEqual(extract_attributes('<e \nx=\ny\n>'), {'x': 'y'})
 779         self.assertEqual(extract_attributes('<e \nx=\n"y"\n>'), {'x': 'y'})
 780         self.assertEqual(extract_attributes("<e \nx=\n'y'\n>"), {'x': 'y'})
 781         self.assertEqual(extract_attributes('<e \nx="\ny\n">'), {'x': '\ny\n'})
 782         self.assertEqual(extract_attributes('<e CAPS=x>'), {'caps': 'x'})  # Names lowercased
 783         self.assertEqual(extract_attributes('<e x=1 X=2>'), {'x': '2'})
 784         self.assertEqual(extract_attributes('<e X=1 x=2>'), {'x': '2'})
 785         self.assertEqual(extract_attributes('<e _:funny-name1=1>'), {'_:funny-name1': '1'})
 786         self.assertEqual(extract_attributes('<e x="Fáilte 世界 \U0001f600">'), {'x': 'Fáilte 世界 \U0001f600'})
 787         self.assertEqual(extract_attributes('<e x="décompose&#769;">'), {'x': 'décompose\u0301'})
 788         # "Narrow" Python builds don't support unicode code points outside BMP.
 789         try:
 790             compat_chr(0x10000)
 791             supports_outside_bmp = True
 792         except ValueError:
 793             supports_outside_bmp = False
 794         if supports_outside_bmp:
 795             self.assertEqual(extract_attributes('<e x="Smile &#128512;!">'), {'x': 'Smile \U0001f600!'})
 796
 797     def test_clean_html(self):
 798         self.assertEqual(clean_html('a:\nb'), 'a: b')
 799         self.assertEqual(clean_html('a:\n   "b"'), 'a:    "b"')
 800
 801     def test_intlist_to_bytes(self):
 802         self.assertEqual(
 803             intlist_to_bytes([0, 1, 127, 128, 255]),
 804             b'\x00\x01\x7f\x80\xff')
 805
 806     def test_args_to_str(self):
 807         self.assertEqual(
 808             args_to_str(['foo', 'ba/r', '-baz', '2 be', '']),
 809             'foo ba/r -baz \'2 be\' \'\''
 810         )
 811
 812     def test_parse_filesize(self):
 813         self.assertEqual(parse_filesize(None), None)
 814         self.assertEqual(parse_filesize(''), None)
 815         self.assertEqual(parse_filesize('91 B'), 91)
 816         self.assertEqual(parse_filesize('foobar'), None)
 817         self.assertEqual(parse_filesize('2 MiB'), 2097152)
 818         self.assertEqual(parse_filesize('5 GB'), 5000000000)
 819         self.assertEqual(parse_filesize('1.2Tb'), 1200000000000)
 820         self.assertEqual(parse_filesize('1,24 KB'), 1240)
 821
 822     def test_parse_count(self):
 823         self.assertEqual(parse_count(None), None)
 824         self.assertEqual(parse_count(''), None)
 825         self.assertEqual(parse_count('0'), 0)
 826         self.assertEqual(parse_count('1000'), 1000)
 827         self.assertEqual(parse_count('1.000'), 1000)
 828         self.assertEqual(parse_count('1.1k'), 1100)
 829         self.assertEqual(parse_count('1.1kk'), 1100000)
 830         self.assertEqual(parse_count('1.1kk '), 1100000)
 831         self.assertEqual(parse_count('1.1kk views'), 1100000)
 832
 833     def test_version_tuple(self):
 834         self.assertEqual(version_tuple('1'), (1,))
 835         self.assertEqual(version_tuple('10.23.344'), (10, 23, 344))
 836         self.assertEqual(version_tuple('10.1-6'), (10, 1, 6))  # avconv style
 837
 838     def test_detect_exe_version(self):
 839         self.assertEqual(detect_exe_version('''ffmpeg version 1.2.1
 840 built on May 27 2013 08:37:26 with gcc 4.7 (Debian 4.7.3-4)
 841 configuration: --prefix=/usr --extra-'''), '1.2.1')
 842         self.assertEqual(detect_exe_version('''ffmpeg version N-63176-g1fb4685
 843 built on May 15 2014 22:09:06 with gcc 4.8.2 (GCC)'''), 'N-63176-g1fb4685')
 844         self.assertEqual(detect_exe_version('''X server found. dri2 connection failed!
 845 Trying to open render node...
 846 Success at /dev/dri/renderD128.
 847 ffmpeg version 2.4.4 Copyright (c) 2000-2014 the FFmpeg ...'''), '2.4.4')
 848
 849     def test_age_restricted(self):
 850         self.assertFalse(age_restricted(None, 10))  # unrestricted content
 851         self.assertFalse(age_restricted(1, None))  # unrestricted policy
 852         self.assertFalse(age_restricted(8, 10))
 853         self.assertTrue(age_restricted(18, 14))
 854         self.assertFalse(age_restricted(18, 18))
 855
 856     def test_is_html(self):
 857         self.assertFalse(is_html(b'\x49\x44\x43<html'))
 858         self.assertTrue(is_html(b'<!DOCTYPE foo>\xaaa'))
 859         self.assertTrue(is_html(  # UTF-8 with BOM
 860             b'\xef\xbb\xbf<!DOCTYPE foo>\xaaa'))
 861         self.assertTrue(is_html(  # UTF-16-LE
 862             b'\xff\xfe<\x00h\x00t\x00m\x00l\x00>\x00\xe4\x00'
 863         ))
 864         self.assertTrue(is_html(  # UTF-16-BE
 865             b'\xfe\xff\x00<\x00h\x00t\x00m\x00l\x00>\x00\xe4'
 866         ))
 867         self.assertTrue(is_html(  # UTF-32-BE
 868             b'\x00\x00\xFE\xFF\x00\x00\x00<\x00\x00\x00h\x00\x00\x00t\x00\x00\x00m\x00\x00\x00l\x00\x00\x00>\x00\x00\x00\xe4'))
 869         self.assertTrue(is_html(  # UTF-32-LE
 870             b'\xFF\xFE\x00\x00<\x00\x00\x00h\x00\x00\x00t\x00\x00\x00m\x00\x00\x00l\x00\x00\x00>\x00\x00\x00\xe4\x00\x00\x00'))
 871
 872     def test_render_table(self):
 873         self.assertEqual(
 874             render_table(
 875                 ['a', 'bcd'],
 876                 [[123, 4], [9999, 51]]),
 877             'a    bcd\n'
 878             '123  4\n'
 879             '9999 51')
 880
 881     def test_match_str(self):
 882         self.assertRaises(ValueError, match_str, 'xy>foobar', {})
 883         self.assertFalse(match_str('xy', {'x': 1200}))
 884         self.assertTrue(match_str('!xy', {'x': 1200}))
 885         self.assertTrue(match_str('x', {'x': 1200}))
 886         self.assertFalse(match_str('!x', {'x': 1200}))
 887         self.assertTrue(match_str('x', {'x': 0}))
 888         self.assertFalse(match_str('x>0', {'x': 0}))
 889         self.assertFalse(match_str('x>0', {}))
 890         self.assertTrue(match_str('x>?0', {}))
 891         self.assertTrue(match_str('x>1K', {'x': 1200}))
 892         self.assertFalse(match_str('x>2K', {'x': 1200}))
 893         self.assertTrue(match_str('x>=1200 & x < 1300', {'x': 1200}))
 894         self.assertFalse(match_str('x>=1100 & x < 1200', {'x': 1200}))
 895         self.assertFalse(match_str('y=a212', {'y': 'foobar42'}))
 896         self.assertTrue(match_str('y=foobar42', {'y': 'foobar42'}))
 897         self.assertFalse(match_str('y!=foobar42', {'y': 'foobar42'}))
 898         self.assertTrue(match_str('y!=foobar2', {'y': 'foobar42'}))
 899         self.assertFalse(match_str(
 900             'like_count > 100 & dislike_count <? 50 & description',
 901             {'like_count': 90, 'description': 'foo'}))
 902         self.assertTrue(match_str(
 903             'like_count > 100 & dislike_count <? 50 & description',
 904             {'like_count': 190, 'description': 'foo'}))
 905         self.assertFalse(match_str(
 906             'like_count > 100 & dislike_count <? 50 & description',
 907             {'like_count': 190, 'dislike_count': 60, 'description': 'foo'}))
 908         self.assertFalse(match_str(
 909             'like_count > 100 & dislike_count <? 50 & description',
 910             {'like_count': 190, 'dislike_count': 10}))
 911
 912     def test_parse_dfxp_time_expr(self):
 913         self.assertEqual(parse_dfxp_time_expr(None), None)
 914         self.assertEqual(parse_dfxp_time_expr(''), None)
 915         self.assertEqual(parse_dfxp_time_expr('0.1'), 0.1)
 916         self.assertEqual(parse_dfxp_time_expr('0.1s'), 0.1)
 917         self.assertEqual(parse_dfxp_time_expr('00:00:01'), 1.0)
 918         self.assertEqual(parse_dfxp_time_expr('00:00:01.100'), 1.1)
 919         self.assertEqual(parse_dfxp_time_expr('00:00:01:100'), 1.1)
 920
 921     def test_dfxp2srt(self):
 922         dfxp_data = '''<?xml version="1.0" encoding="UTF-8"?>
 923             <tt xmlns="http://www.w3.org/ns/ttml" xml:lang="en" xmlns:tts="http://www.w3.org/ns/ttml#parameter">
 924             <body>
 925                 <div xml:lang="en">
 926                     <p begin="0" end="1">The following line contains Chinese characters and special symbols</p>
 927                     <p begin="1" end="2">第二行<br/>♪♪</p>
 928                     <p begin="2" dur="1"><span>Third<br/>Line</span></p>
 929                     <p begin="3" end="-1">Lines with invalid timestamps are ignored</p>
 930                     <p begin="-1" end="-1">Ignore, two</p>
 931                     <p begin="3" dur="-1">Ignored, three</p>
 932                 </div>
 933             </body>
 934             </tt>'''
 935         srt_data = '''1
 936 00:00:00,000 --> 00:00:01,000
 937 The following line contains Chinese characters and special symbols
 938
 939 2
 940 00:00:01,000 --> 00:00:02,000
 941 第二行
 942 ♪♪
 943
 944 3
 945 00:00:02,000 --> 00:00:03,000
 946 Third
 947 Line
 948
 949 '''
 950         self.assertEqual(dfxp2srt(dfxp_data), srt_data)
 951
 952         dfxp_data_no_default_namespace = '''<?xml version="1.0" encoding="UTF-8"?>
 953             <tt xml:lang="en" xmlns:tts="http://www.w3.org/ns/ttml#parameter">
 954             <body>
 955                 <div xml:lang="en">
 956                     <p begin="0" end="1">The first line</p>
 957                 </div>
 958             </body>
 959             </tt>'''
 960         srt_data = '''1
 961 00:00:00,000 --> 00:00:01,000
 962 The first line
 963
 964 '''
 965         self.assertEqual(dfxp2srt(dfxp_data_no_default_namespace), srt_data)
 966
 967     def test_cli_option(self):
 968         self.assertEqual(cli_option({'proxy': '127.0.0.1:3128'}, '--proxy', 'proxy'), ['--proxy', '127.0.0.1:3128'])
 969         self.assertEqual(cli_option({'proxy': None}, '--proxy', 'proxy'), [])
 970         self.assertEqual(cli_option({}, '--proxy', 'proxy'), [])
 971         self.assertEqual(cli_option({'retries': 10}, '--retries', 'retries'), ['--retries', '10'])
 972
 973     def test_cli_valueless_option(self):
 974         self.assertEqual(cli_valueless_option(
 975             {'downloader': 'external'}, '--external-downloader', 'downloader', 'external'), ['--external-downloader'])
 976         self.assertEqual(cli_valueless_option(
 977             {'downloader': 'internal'}, '--external-downloader', 'downloader', 'external'), [])
 978         self.assertEqual(cli_valueless_option(
 979             {'nocheckcertificate': True}, '--no-check-certificate', 'nocheckcertificate'), ['--no-check-certificate'])
 980         self.assertEqual(cli_valueless_option(
 981             {'nocheckcertificate': False}, '--no-check-certificate', 'nocheckcertificate'), [])
 982         self.assertEqual(cli_valueless_option(
 983             {'checkcertificate': True}, '--no-check-certificate', 'checkcertificate', False), [])
 984         self.assertEqual(cli_valueless_option(
 985             {'checkcertificate': False}, '--no-check-certificate', 'checkcertificate', False), ['--no-check-certificate'])
 986
 987     def test_cli_bool_option(self):
 988         self.assertEqual(
 989             cli_bool_option(
 990                 {'nocheckcertificate': True}, '--no-check-certificate', 'nocheckcertificate'),
 991             ['--no-check-certificate', 'true'])
 992         self.assertEqual(
 993             cli_bool_option(
 994                 {'nocheckcertificate': True}, '--no-check-certificate', 'nocheckcertificate', separator='='),
 995             ['--no-check-certificate=true'])
 996         self.assertEqual(
 997             cli_bool_option(
 998                 {'nocheckcertificate': True}, '--check-certificate', 'nocheckcertificate', 'false', 'true'),
 999             ['--check-certificate', 'false'])
1000         self.assertEqual(
1001             cli_bool_option(
1002                 {'nocheckcertificate': True}, '--check-certificate', 'nocheckcertificate', 'false', 'true', '='),
1003             ['--check-certificate=false'])
1004         self.assertEqual(
1005             cli_bool_option(
1006                 {'nocheckcertificate': False}, '--check-certificate', 'nocheckcertificate', 'false', 'true'),
1007             ['--check-certificate', 'true'])
1008         self.assertEqual(
1009             cli_bool_option(
1010                 {'nocheckcertificate': False}, '--check-certificate', 'nocheckcertificate', 'false', 'true', '='),
1011             ['--check-certificate=true'])
1012
1013     def test_ohdave_rsa_encrypt(self):
1014         N = 0xab86b6371b5318aaa1d3c9e612a9f1264f372323c8c0f19875b5fc3b3fd3afcc1e5bec527aa94bfa85bffc157e4245aebda05389a5357b75115ac94f074aefcd
1015         e = 65537
1016
1017         self.assertEqual(
1018             ohdave_rsa_encrypt(b'aa111222', e, N),
1019             '726664bd9a23fd0c70f9f1b84aab5e3905ce1e45a584e9cbcf9bcc7510338fc1986d6c599ff990d923aa43c51c0d9013cd572e13bc58f4ae48f2ed8c0b0ba881')
1020
1021     def test_encode_base_n(self):
1022         self.assertEqual(encode_base_n(0, 30), '0')
1023         self.assertEqual(encode_base_n(80, 30), '2k')
1024
1025         custom_table = '9876543210ZYXWVUTSRQPONMLKJIHGFEDCBA'
1026         self.assertEqual(encode_base_n(0, 30, custom_table), '9')
1027         self.assertEqual(encode_base_n(80, 30, custom_table), '7P')
1028
1029         self.assertRaises(ValueError, encode_base_n, 0, 70)
1030         self.assertRaises(ValueError, encode_base_n, 0, 60, custom_table)
1031
1032     def test_urshift(self):
1033         self.assertEqual(urshift(3, 1), 1)
1034         self.assertEqual(urshift(-3, 1), 2147483646)
1035
1036     def test_get_element_by_class(self):
1037         html = '''
1038             <span class="foo bar">nice</span>
1039         '''
1040
1041         self.assertEqual(get_element_by_class('foo', html), 'nice')
1042         self.assertEqual(get_element_by_class('no-such-class', html), None)
1043
1044 if __name__ == '__main__':
1045     unittest.main()