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