_ 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     get_element_by_class,
  37     InAdvancePagedList,
  38     intlist_to_bytes,
  39     is_html,
  40     js_to_json,
  41     limit_length,
  42     mimetype2ext,
  43     month_by_name,
  44     ohdave_rsa_encrypt,
  45     OnDemandPagedList,
  46     orderedSet,
  47     parse_age_limit,
  48     parse_duration,
  49     parse_filesize,
  50     parse_count,
  51     parse_iso8601,
  52     read_batch_urls,
  53     sanitize_filename,
  54     sanitize_path,
  55     prepend_extension,
  56     replace_extension,
  57     remove_start,
  58     remove_end,
  59     remove_quotes,
  60     shell_quote,
  61     smuggle_url,
  62     str_to_int,
  63     strip_jsonp,
  64     timeconvert,
  65     unescapeHTML,
  66     unified_strdate,
  67     unified_timestamp,
  68     unsmuggle_url,
  69     uppercase_escape,
  70     lowercase_escape,
  71     url_basename,
  72     base_url,
  73     urljoin,
  74     urlencode_postdata,
  75     urshift,
  76     update_url_query,
  77     version_tuple,
  78     xpath_with_ns,
  79     xpath_element,
  80     xpath_text,
  81     xpath_attr,
  82     render_table,
  83     match_str,
  84     parse_dfxp_time_expr,
  85     dfxp2srt,
  86     cli_option,
  87     cli_valueless_option,
  88     cli_bool_option,
  89     parse_codecs,
  90 )
  91 from youtube_dl.compat import (
  92     compat_chr,
  93     compat_etree_fromstring,
  94     compat_urlparse,
  95     compat_parse_qs,
  96 )
  97
  98
  99 class TestUtil(unittest.TestCase):
 100     def test_timeconvert(self):
 101         self.assertTrue(timeconvert('') is None)
 102         self.assertTrue(timeconvert('bougrg') is None)
 103
 104     def test_sanitize_filename(self):
 105         self.assertEqual(sanitize_filename('abc'), 'abc')
 106         self.assertEqual(sanitize_filename('abc_d-e'), 'abc_d-e')
 107
 108         self.assertEqual(sanitize_filename('123'), '123')
 109
 110         self.assertEqual('abc_de', sanitize_filename('abc/de'))
 111         self.assertFalse('/' in sanitize_filename('abc/de///'))
 112
 113         self.assertEqual('abc_de', sanitize_filename('abc/<>\\*|de'))
 114         self.assertEqual('xxx', sanitize_filename('xxx/<>\\*|'))
 115         self.assertEqual('yes no', sanitize_filename('yes? no'))
 116         self.assertEqual('this - that', sanitize_filename('this: that'))
 117
 118         self.assertEqual(sanitize_filename('AT&T'), 'AT&T')
 119         aumlaut = 'ä'
 120         self.assertEqual(sanitize_filename(aumlaut), aumlaut)
 121         tests = '\u043a\u0438\u0440\u0438\u043b\u043b\u0438\u0446\u0430'
 122         self.assertEqual(sanitize_filename(tests), tests)
 123
 124         self.assertEqual(
 125             sanitize_filename('New World record at 0:12:34'),
 126             'New World record at 0_12_34')
 127
 128         self.assertEqual(sanitize_filename('--gasdgf'), '_-gasdgf')
 129         self.assertEqual(sanitize_filename('--gasdgf', is_id=True), '--gasdgf')
 130         self.assertEqual(sanitize_filename('.gasdgf'), 'gasdgf')
 131         self.assertEqual(sanitize_filename('.gasdgf', is_id=True), '.gasdgf')
 132
 133         forbidden = '"\0\\/'
 134         for fc in forbidden:
 135             for fbc in forbidden:
 136                 self.assertTrue(fbc not in sanitize_filename(fc))
 137
 138     def test_sanitize_filename_restricted(self):
 139         self.assertEqual(sanitize_filename('abc', restricted=True), 'abc')
 140         self.assertEqual(sanitize_filename('abc_d-e', restricted=True), 'abc_d-e')
 141
 142         self.assertEqual(sanitize_filename('123', restricted=True), '123')
 143
 144         self.assertEqual('abc_de', sanitize_filename('abc/de', restricted=True))
 145         self.assertFalse('/' in sanitize_filename('abc/de///', restricted=True))
 146
 147         self.assertEqual('abc_de', sanitize_filename('abc/<>\\*|de', restricted=True))
 148         self.assertEqual('xxx', sanitize_filename('xxx/<>\\*|', restricted=True))
 149         self.assertEqual('yes_no', sanitize_filename('yes? no', restricted=True))
 150         self.assertEqual('this_-_that', sanitize_filename('this: that', restricted=True))
 151
 152         tests = 'aäb\u4e2d\u56fd\u7684c'
 153         self.assertEqual(sanitize_filename(tests, restricted=True), 'aab_c')
 154         self.assertTrue(sanitize_filename('\xf6', restricted=True) != '')  # No empty filename
 155
 156         forbidden = '"\0\\/&!: \'\t\n()[]{}$;`^,#'
 157         for fc in forbidden:
 158             for fbc in forbidden:
 159                 self.assertTrue(fbc not in sanitize_filename(fc, restricted=True))
 160
 161         # Handle a common case more neatly
 162         self.assertEqual(sanitize_filename('\u5927\u58f0\u5e26 - Song', restricted=True), 'Song')
 163         self.assertEqual(sanitize_filename('\u603b\u7edf: Speech', restricted=True), 'Speech')
 164         # .. but make sure the file name is never empty
 165         self.assertTrue(sanitize_filename('-', restricted=True) != '')
 166         self.assertTrue(sanitize_filename(':', restricted=True) != '')
 167
 168         self.assertEqual(sanitize_filename(
 169             'ÂÃÄÀÁÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖŐØŒÙÚÛÜŰÝÞßàáâãäåæçèéêëìíîïðñòóôõöőøœùúûüűýþÿ', restricted=True),
 170             'AAAAAAAECEEEEIIIIDNOOOOOOOOEUUUUUYPssaaaaaaaeceeeeiiiionooooooooeuuuuuypy')
 171
 172     def test_sanitize_ids(self):
 173         self.assertEqual(sanitize_filename('_n_cd26wFpw', is_id=True), '_n_cd26wFpw')
 174         self.assertEqual(sanitize_filename('_BD_eEpuzXw', is_id=True), '_BD_eEpuzXw')
 175         self.assertEqual(sanitize_filename('N0Y__7-UOdI', is_id=True), 'N0Y__7-UOdI')
 176
 177     def test_sanitize_path(self):
 178         if sys.platform != 'win32':
 179             return
 180
 181         self.assertEqual(sanitize_path('abc'), 'abc')
 182         self.assertEqual(sanitize_path('abc/def'), 'abc\\def')
 183         self.assertEqual(sanitize_path('abc\\def'), 'abc\\def')
 184         self.assertEqual(sanitize_path('abc|def'), 'abc#def')
 185         self.assertEqual(sanitize_path('<>:"|?*'), '#######')
 186         self.assertEqual(sanitize_path('C:/abc/def'), 'C:\\abc\\def')
 187         self.assertEqual(sanitize_path('C?:/abc/def'), 'C##\\abc\\def')
 188
 189         self.assertEqual(sanitize_path('\\\\?\\UNC\\ComputerName\\abc'), '\\\\?\\UNC\\ComputerName\\abc')
 190         self.assertEqual(sanitize_path('\\\\?\\UNC/ComputerName/abc'), '\\\\?\\UNC\\ComputerName\\abc')
 191
 192         self.assertEqual(sanitize_path('\\\\?\\C:\\abc'), '\\\\?\\C:\\abc')
 193         self.assertEqual(sanitize_path('\\\\?\\C:/abc'), '\\\\?\\C:\\abc')
 194         self.assertEqual(sanitize_path('\\\\?\\C:\\ab?c\\de:f'), '\\\\?\\C:\\ab#c\\de#f')
 195         self.assertEqual(sanitize_path('\\\\?\\C:\\abc'), '\\\\?\\C:\\abc')
 196
 197         self.assertEqual(
 198             sanitize_path('youtube/%(uploader)s/%(autonumber)s-%(title)s-%(upload_date)s.%(ext)s'),
 199             'youtube\\%(uploader)s\\%(autonumber)s-%(title)s-%(upload_date)s.%(ext)s')
 200
 201         self.assertEqual(
 202             sanitize_path('youtube/TheWreckingYard ./00001-Not bad, Especially for Free! (1987 Yamaha 700)-20141116.mp4.part'),
 203             'youtube\\TheWreckingYard #\\00001-Not bad, Especially for Free! (1987 Yamaha 700)-20141116.mp4.part')
 204         self.assertEqual(sanitize_path('abc/def...'), 'abc\\def..#')
 205         self.assertEqual(sanitize_path('abc.../def'), 'abc..#\\def')
 206         self.assertEqual(sanitize_path('abc.../def...'), 'abc..#\\def..#')
 207
 208         self.assertEqual(sanitize_path('../abc'), '..\\abc')
 209         self.assertEqual(sanitize_path('../../abc'), '..\\..\\abc')
 210         self.assertEqual(sanitize_path('./abc'), 'abc')
 211         self.assertEqual(sanitize_path('./../abc'), '..\\abc')
 212
 213     def test_prepend_extension(self):
 214         self.assertEqual(prepend_extension('abc.ext', 'temp'), 'abc.temp.ext')
 215         self.assertEqual(prepend_extension('abc.ext', 'temp', 'ext'), 'abc.temp.ext')
 216         self.assertEqual(prepend_extension('abc.unexpected_ext', 'temp', 'ext'), 'abc.unexpected_ext.temp')
 217         self.assertEqual(prepend_extension('abc', 'temp'), 'abc.temp')
 218         self.assertEqual(prepend_extension('.abc', 'temp'), '.abc.temp')
 219         self.assertEqual(prepend_extension('.abc.ext', 'temp'), '.abc.temp.ext')
 220
 221     def test_replace_extension(self):
 222         self.assertEqual(replace_extension('abc.ext', 'temp'), 'abc.temp')
 223         self.assertEqual(replace_extension('abc.ext', 'temp', 'ext'), 'abc.temp')
 224         self.assertEqual(replace_extension('abc.unexpected_ext', 'temp', 'ext'), 'abc.unexpected_ext.temp')
 225         self.assertEqual(replace_extension('abc', 'temp'), 'abc.temp')
 226         self.assertEqual(replace_extension('.abc', 'temp'), '.abc.temp')
 227         self.assertEqual(replace_extension('.abc.ext', 'temp'), '.abc.temp')
 228
 229     def test_remove_start(self):
 230         self.assertEqual(remove_start(None, 'A - '), None)
 231         self.assertEqual(remove_start('A - B', 'A - '), 'B')
 232         self.assertEqual(remove_start('B - A', 'A - '), 'B - A')
 233
 234     def test_remove_end(self):
 235         self.assertEqual(remove_end(None, ' - B'), None)
 236         self.assertEqual(remove_end('A - B', ' - B'), 'A')
 237         self.assertEqual(remove_end('B - A', ' - B'), 'B - A')
 238
 239     def test_remove_quotes(self):
 240         self.assertEqual(remove_quotes(None), None)
 241         self.assertEqual(remove_quotes('"'), '"')
 242         self.assertEqual(remove_quotes("'"), "'")
 243         self.assertEqual(remove_quotes(';'), ';')
 244         self.assertEqual(remove_quotes('";'), '";')
 245         self.assertEqual(remove_quotes('""'), '')
 246         self.assertEqual(remove_quotes('";"'), ';')
 247
 248     def test_ordered_set(self):
 249         self.assertEqual(orderedSet([1, 1, 2, 3, 4, 4, 5, 6, 7, 3, 5]), [1, 2, 3, 4, 5, 6, 7])
 250         self.assertEqual(orderedSet([]), [])
 251         self.assertEqual(orderedSet([1]), [1])
 252         # keep the list ordered
 253         self.assertEqual(orderedSet([135, 1, 1, 1]), [135, 1])
 254
 255     def test_unescape_html(self):
 256         self.assertEqual(unescapeHTML('%20;'), '%20;')
 257         self.assertEqual(unescapeHTML('&#x2F;'), '/')
 258         self.assertEqual(unescapeHTML('&#47;'), '/')
 259         self.assertEqual(unescapeHTML('&eacute;'), 'é')
 260         self.assertEqual(unescapeHTML('&#2013266066;'), '&#2013266066;')
 261         # HTML5 entities
 262         self.assertEqual(unescapeHTML('&period;&apos;'), '.\'')
 263
 264     def test_date_from_str(self):
 265         self.assertEqual(date_from_str('yesterday'), date_from_str('now-1day'))
 266         self.assertEqual(date_from_str('now+7day'), date_from_str('now+1week'))
 267         self.assertEqual(date_from_str('now+14day'), date_from_str('now+2week'))
 268         self.assertEqual(date_from_str('now+365day'), date_from_str('now+1year'))
 269         self.assertEqual(date_from_str('now+30day'), date_from_str('now+1month'))
 270
 271     def test_daterange(self):
 272         _20century = DateRange("19000101", "20000101")
 273         self.assertFalse("17890714" in _20century)
 274         _ac = DateRange("00010101")
 275         self.assertTrue("19690721" in _ac)
 276         _firstmilenium = DateRange(end="10000101")
 277         self.assertTrue("07110427" in _firstmilenium)
 278
 279     def test_unified_dates(self):
 280         self.assertEqual(unified_strdate('December 21, 2010'), '20101221')
 281         self.assertEqual(unified_strdate('8/7/2009'), '20090708')
 282         self.assertEqual(unified_strdate('Dec 14, 2012'), '20121214')
 283         self.assertEqual(unified_strdate('2012/10/11 01:56:38 +0000'), '20121011')
 284         self.assertEqual(unified_strdate('1968 12 10'), '19681210')
 285         self.assertEqual(unified_strdate('1968-12-10'), '19681210')
 286         self.assertEqual(unified_strdate('28/01/2014 21:00:00 +0100'), '20140128')
 287         self.assertEqual(
 288             unified_strdate('11/26/2014 11:30:00 AM PST', day_first=False),
 289             '20141126')
 290         self.assertEqual(
 291             unified_strdate('2/2/2015 6:47:40 PM', day_first=False),
 292             '20150202')
 293         self.assertEqual(unified_strdate('Feb 14th 2016 5:45PM'), '20160214')
 294         self.assertEqual(unified_strdate('25-09-2014'), '20140925')
 295         self.assertEqual(unified_strdate('27.02.2016 17:30'), '20160227')
 296         self.assertEqual(unified_strdate('UNKNOWN DATE FORMAT'), None)
 297         self.assertEqual(unified_strdate('Feb 7, 2016 at 6:35 pm'), '20160207')
 298         self.assertEqual(unified_strdate('July 15th, 2013'), '20130715')
 299         self.assertEqual(unified_strdate('September 1st, 2013'), '20130901')
 300         self.assertEqual(unified_strdate('Sep 2nd, 2013'), '20130902')
 301
 302     def test_unified_timestamps(self):
 303         self.assertEqual(unified_timestamp('December 21, 2010'), 1292889600)
 304         self.assertEqual(unified_timestamp('8/7/2009'), 1247011200)
 305         self.assertEqual(unified_timestamp('Dec 14, 2012'), 1355443200)
 306         self.assertEqual(unified_timestamp('2012/10/11 01:56:38 +0000'), 1349920598)
 307         self.assertEqual(unified_timestamp('1968 12 10'), -33436800)
 308         self.assertEqual(unified_timestamp('1968-12-10'), -33436800)
 309         self.assertEqual(unified_timestamp('28/01/2014 21:00:00 +0100'), 1390939200)
 310         self.assertEqual(
 311             unified_timestamp('11/26/2014 11:30:00 AM PST', day_first=False),
 312             1417001400)
 313         self.assertEqual(
 314             unified_timestamp('2/2/2015 6:47:40 PM', day_first=False),
 315             1422902860)
 316         self.assertEqual(unified_timestamp('Feb 14th 2016 5:45PM'), 1455471900)
 317         self.assertEqual(unified_timestamp('25-09-2014'), 1411603200)
 318         self.assertEqual(unified_timestamp('27.02.2016 17:30'), 1456594200)
 319         self.assertEqual(unified_timestamp('UNKNOWN DATE FORMAT'), None)
 320         self.assertEqual(unified_timestamp('May 16, 2016 11:15 PM'), 1463440500)
 321         self.assertEqual(unified_timestamp('Feb 7, 2016 at 6:35 pm'), 1454870100)
 322
 323     def test_determine_ext(self):
 324         self.assertEqual(determine_ext('http://example.com/foo/bar.mp4/?download'), 'mp4')
 325         self.assertEqual(determine_ext('http://example.com/foo/bar/?download', None), None)
 326         self.assertEqual(determine_ext('http://example.com/foo/bar.nonext/?download', None), None)
 327         self.assertEqual(determine_ext('http://example.com/foo/bar/mp4?download', None), None)
 328         self.assertEqual(determine_ext('http://example.com/foo/bar.m3u8//?download'), 'm3u8')
 329
 330     def test_find_xpath_attr(self):
 331         testxml = '''<root>
 332             <node/>
 333             <node x="a"/>
 334             <node x="a" y="c" />
 335             <node x="b" y="d" />
 336             <node x="" />
 337         </root>'''
 338         doc = compat_etree_fromstring(testxml)
 339
 340         self.assertEqual(find_xpath_attr(doc, './/fourohfour', 'n'), None)
 341         self.assertEqual(find_xpath_attr(doc, './/fourohfour', 'n', 'v'), None)
 342         self.assertEqual(find_xpath_attr(doc, './/node', 'n'), None)
 343         self.assertEqual(find_xpath_attr(doc, './/node', 'n', 'v'), None)
 344         self.assertEqual(find_xpath_attr(doc, './/node', 'x'), doc[1])
 345         self.assertEqual(find_xpath_attr(doc, './/node', 'x', 'a'), doc[1])
 346         self.assertEqual(find_xpath_attr(doc, './/node', 'x', 'b'), doc[3])
 347         self.assertEqual(find_xpath_attr(doc, './/node', 'y'), doc[2])
 348         self.assertEqual(find_xpath_attr(doc, './/node', 'y', 'c'), doc[2])
 349         self.assertEqual(find_xpath_attr(doc, './/node', 'y', 'd'), doc[3])
 350         self.assertEqual(find_xpath_attr(doc, './/node', 'x', ''), doc[4])
 351
 352     def test_xpath_with_ns(self):
 353         testxml = '''<root xmlns:media="http://example.com/">
 354             <media:song>
 355                 <media:author>The Author</media:author>
 356                 <url>http://server.com/download.mp3</url>
 357             </media:song>
 358         </root>'''
 359         doc = compat_etree_fromstring(testxml)
 360         find = lambda p: doc.find(xpath_with_ns(p, {'media': 'http://example.com/'}))
 361         self.assertTrue(find('media:song') is not None)
 362         self.assertEqual(find('media:song/media:author').text, 'The Author')
 363         self.assertEqual(find('media:song/url').text, 'http://server.com/download.mp3')
 364
 365     def test_xpath_element(self):
 366         doc = xml.etree.ElementTree.Element('root')
 367         div = xml.etree.ElementTree.SubElement(doc, 'div')
 368         p = xml.etree.ElementTree.SubElement(div, 'p')
 369         p.text = 'Foo'
 370         self.assertEqual(xpath_element(doc, 'div/p'), p)
 371         self.assertEqual(xpath_element(doc, ['div/p']), p)
 372         self.assertEqual(xpath_element(doc, ['div/bar', 'div/p']), p)
 373         self.assertEqual(xpath_element(doc, 'div/bar', default='default'), 'default')
 374         self.assertEqual(xpath_element(doc, ['div/bar'], default='default'), 'default')
 375         self.assertTrue(xpath_element(doc, 'div/bar') is None)
 376         self.assertTrue(xpath_element(doc, ['div/bar']) is None)
 377         self.assertTrue(xpath_element(doc, ['div/bar'], 'div/baz') is None)
 378         self.assertRaises(ExtractorError, xpath_element, doc, 'div/bar', fatal=True)
 379         self.assertRaises(ExtractorError, xpath_element, doc, ['div/bar'], fatal=True)
 380         self.assertRaises(ExtractorError, xpath_element, doc, ['div/bar', 'div/baz'], fatal=True)
 381
 382     def test_xpath_text(self):
 383         testxml = '''<root>
 384             <div>
 385                 <p>Foo</p>
 386             </div>
 387         </root>'''
 388         doc = compat_etree_fromstring(testxml)
 389         self.assertEqual(xpath_text(doc, 'div/p'), 'Foo')
 390         self.assertEqual(xpath_text(doc, 'div/bar', default='default'), 'default')
 391         self.assertTrue(xpath_text(doc, 'div/bar') is None)
 392         self.assertRaises(ExtractorError, xpath_text, doc, 'div/bar', fatal=True)
 393
 394     def test_xpath_attr(self):
 395         testxml = '''<root>
 396             <div>
 397                 <p x="a">Foo</p>
 398             </div>
 399         </root>'''
 400         doc = compat_etree_fromstring(testxml)
 401         self.assertEqual(xpath_attr(doc, 'div/p', 'x'), 'a')
 402         self.assertEqual(xpath_attr(doc, 'div/bar', 'x'), None)
 403         self.assertEqual(xpath_attr(doc, 'div/p', 'y'), None)
 404         self.assertEqual(xpath_attr(doc, 'div/bar', 'x', default='default'), 'default')
 405         self.assertEqual(xpath_attr(doc, 'div/p', 'y', default='default'), 'default')
 406         self.assertRaises(ExtractorError, xpath_attr, doc, 'div/bar', 'x', fatal=True)
 407         self.assertRaises(ExtractorError, xpath_attr, doc, 'div/p', 'y', fatal=True)
 408
 409     def test_smuggle_url(self):
 410         data = {"ö": "ö", "abc": [3]}
 411         url = 'https://foo.bar/baz?x=y#a'
 412         smug_url = smuggle_url(url, data)
 413         unsmug_url, unsmug_data = unsmuggle_url(smug_url)
 414         self.assertEqual(url, unsmug_url)
 415         self.assertEqual(data, unsmug_data)
 416
 417         res_url, res_data = unsmuggle_url(url)
 418         self.assertEqual(res_url, url)
 419         self.assertEqual(res_data, None)
 420
 421         smug_url = smuggle_url(url, {'a': 'b'})
 422         smug_smug_url = smuggle_url(smug_url, {'c': 'd'})
 423         res_url, res_data = unsmuggle_url(smug_smug_url)
 424         self.assertEqual(res_url, url)
 425         self.assertEqual(res_data, {'a': 'b', 'c': 'd'})
 426
 427     def test_shell_quote(self):
 428         args = ['ffmpeg', '-i', encodeFilename('ñ€ß\'.mp4')]
 429         self.assertEqual(shell_quote(args), """ffmpeg -i 'ñ€ß'"'"'.mp4'""")
 430
 431     def test_str_to_int(self):
 432         self.assertEqual(str_to_int('123,456'), 123456)
 433         self.assertEqual(str_to_int('123.456'), 123456)
 434
 435     def test_url_basename(self):
 436         self.assertEqual(url_basename('http://foo.de/'), '')
 437         self.assertEqual(url_basename('http://foo.de/bar/baz'), 'baz')
 438         self.assertEqual(url_basename('http://foo.de/bar/baz?x=y'), 'baz')
 439         self.assertEqual(url_basename('http://foo.de/bar/baz#x=y'), 'baz')
 440         self.assertEqual(url_basename('http://foo.de/bar/baz/'), 'baz')
 441         self.assertEqual(
 442             url_basename('http://media.w3.org/2010/05/sintel/trailer.mp4'),
 443             'trailer.mp4')
 444
 445     def test_base_url(self):
 446         self.assertEqual(base_url('http://foo.de/'), 'http://foo.de/')
 447         self.assertEqual(base_url('http://foo.de/bar'), 'http://foo.de/')
 448         self.assertEqual(base_url('http://foo.de/bar/'), 'http://foo.de/bar/')
 449         self.assertEqual(base_url('http://foo.de/bar/baz'), 'http://foo.de/bar/')
 450         self.assertEqual(base_url('http://foo.de/bar/baz?x=z/x/c'), 'http://foo.de/bar/')
 451
 452     def test_urljoin(self):
 453         self.assertEqual(urljoin('http://foo.de/', '/a/b/c.txt'), 'http://foo.de/a/b/c.txt')
 454         self.assertEqual(urljoin('//foo.de/', '/a/b/c.txt'), '//foo.de/a/b/c.txt')
 455         self.assertEqual(urljoin('http://foo.de/', 'a/b/c.txt'), 'http://foo.de/a/b/c.txt')
 456         self.assertEqual(urljoin('http://foo.de', '/a/b/c.txt'), 'http://foo.de/a/b/c.txt')
 457         self.assertEqual(urljoin('http://foo.de', 'a/b/c.txt'), 'http://foo.de/a/b/c.txt')
 458         self.assertEqual(urljoin('http://foo.de/', 'http://foo.de/a/b/c.txt'), 'http://foo.de/a/b/c.txt')
 459         self.assertEqual(urljoin('http://foo.de/', '//foo.de/a/b/c.txt'), '//foo.de/a/b/c.txt')
 460         self.assertEqual(urljoin(None, 'http://foo.de/a/b/c.txt'), 'http://foo.de/a/b/c.txt')
 461         self.assertEqual(urljoin(None, '//foo.de/a/b/c.txt'), '//foo.de/a/b/c.txt')
 462         self.assertEqual(urljoin('', 'http://foo.de/a/b/c.txt'), 'http://foo.de/a/b/c.txt')
 463         self.assertEqual(urljoin(['foobar'], 'http://foo.de/a/b/c.txt'), 'http://foo.de/a/b/c.txt')
 464         self.assertEqual(urljoin('http://foo.de/', None), None)
 465         self.assertEqual(urljoin('http://foo.de/', ''), None)
 466         self.assertEqual(urljoin('http://foo.de/', ['foobar']), None)
 467         self.assertEqual(urljoin('http://foo.de/a/b/c.txt', '.././../d.txt'), 'http://foo.de/d.txt')
 468
 469     def test_parse_age_limit(self):
 470         self.assertEqual(parse_age_limit(None), None)
 471         self.assertEqual(parse_age_limit(False), None)
 472         self.assertEqual(parse_age_limit('invalid'), None)
 473         self.assertEqual(parse_age_limit(0), 0)
 474         self.assertEqual(parse_age_limit(18), 18)
 475         self.assertEqual(parse_age_limit(21), 21)
 476         self.assertEqual(parse_age_limit(22), None)
 477         self.assertEqual(parse_age_limit('18'), 18)
 478         self.assertEqual(parse_age_limit('18+'), 18)
 479         self.assertEqual(parse_age_limit('PG-13'), 13)
 480         self.assertEqual(parse_age_limit('TV-14'), 14)
 481         self.assertEqual(parse_age_limit('TV-MA'), 17)
 482
 483     def test_parse_duration(self):
 484         self.assertEqual(parse_duration(None), None)
 485         self.assertEqual(parse_duration(False), None)
 486         self.assertEqual(parse_duration('invalid'), None)
 487         self.assertEqual(parse_duration('1'), 1)
 488         self.assertEqual(parse_duration('1337:12'), 80232)
 489         self.assertEqual(parse_duration('9:12:43'), 33163)
 490         self.assertEqual(parse_duration('12:00'), 720)
 491         self.assertEqual(parse_duration('00:01:01'), 61)
 492         self.assertEqual(parse_duration('x:y'), None)
 493         self.assertEqual(parse_duration('3h11m53s'), 11513)
 494         self.assertEqual(parse_duration('3h 11m 53s'), 11513)
 495         self.assertEqual(parse_duration('3 hours 11 minutes 53 seconds'), 11513)
 496         self.assertEqual(parse_duration('3 hours 11 mins 53 secs'), 11513)
 497         self.assertEqual(parse_duration('62m45s'), 3765)
 498         self.assertEqual(parse_duration('6m59s'), 419)
 499         self.assertEqual(parse_duration('49s'), 49)
 500         self.assertEqual(parse_duration('0h0m0s'), 0)
 501         self.assertEqual(parse_duration('0m0s'), 0)
 502         self.assertEqual(parse_duration('0s'), 0)
 503         self.assertEqual(parse_duration('01:02:03.05'), 3723.05)
 504         self.assertEqual(parse_duration('T30M38S'), 1838)
 505         self.assertEqual(parse_duration('5 s'), 5)
 506         self.assertEqual(parse_duration('3 min'), 180)
 507         self.assertEqual(parse_duration('2.5 hours'), 9000)
 508         self.assertEqual(parse_duration('02:03:04'), 7384)
 509         self.assertEqual(parse_duration('01:02:03:04'), 93784)
 510         self.assertEqual(parse_duration('1 hour 3 minutes'), 3780)
 511         self.assertEqual(parse_duration('87 Min.'), 5220)
 512         self.assertEqual(parse_duration('PT1H0.040S'), 3600.04)
 513         self.assertEqual(parse_duration('PT00H03M30SZ'), 210)
 514
 515     def test_fix_xml_ampersands(self):
 516         self.assertEqual(
 517             fix_xml_ampersands('"&x=y&z=a'), '"&amp;x=y&amp;z=a')
 518         self.assertEqual(
 519             fix_xml_ampersands('"&amp;x=y&wrong;&z=a'),
 520             '"&amp;x=y&amp;wrong;&amp;z=a')
 521         self.assertEqual(
 522             fix_xml_ampersands('&amp;&apos;&gt;&lt;&quot;'),
 523             '&amp;&apos;&gt;&lt;&quot;')
 524         self.assertEqual(
 525             fix_xml_ampersands('&#1234;&#x1abC;'), '&#1234;&#x1abC;')
 526         self.assertEqual(fix_xml_ampersands('&#&#'), '&amp;#&amp;#')
 527
 528     def test_paged_list(self):
 529         def testPL(size, pagesize, sliceargs, expected):
 530             def get_page(pagenum):
 531                 firstid = pagenum * pagesize
 532                 upto = min(size, pagenum * pagesize + pagesize)
 533                 for i in range(firstid, upto):
 534                     yield i
 535
 536             pl = OnDemandPagedList(get_page, pagesize)
 537             got = pl.getslice(*sliceargs)
 538             self.assertEqual(got, expected)
 539
 540             iapl = InAdvancePagedList(get_page, size // pagesize + 1, pagesize)
 541             got = iapl.getslice(*sliceargs)
 542             self.assertEqual(got, expected)
 543
 544         testPL(5, 2, (), [0, 1, 2, 3, 4])
 545         testPL(5, 2, (1,), [1, 2, 3, 4])
 546         testPL(5, 2, (2,), [2, 3, 4])
 547         testPL(5, 2, (4,), [4])
 548         testPL(5, 2, (0, 3), [0, 1, 2])
 549         testPL(5, 2, (1, 4), [1, 2, 3])
 550         testPL(5, 2, (2, 99), [2, 3, 4])
 551         testPL(5, 2, (20, 99), [])
 552
 553     def test_read_batch_urls(self):
 554         f = io.StringIO('''\xef\xbb\xbf foo
 555             bar\r
 556             baz
 557             # More after this line\r
 558             ; or after this
 559             bam''')
 560         self.assertEqual(read_batch_urls(f), ['foo', 'bar', 'baz', 'bam'])
 561
 562     def test_urlencode_postdata(self):
 563         data = urlencode_postdata({'username': 'foo@bar.com', 'password': '1234'})
 564         self.assertTrue(isinstance(data, bytes))
 565
 566     def test_update_url_query(self):
 567         def query_dict(url):
 568             return compat_parse_qs(compat_urlparse.urlparse(url).query)
 569         self.assertEqual(query_dict(update_url_query(
 570             'http://example.com/path', {'quality': ['HD'], 'format': ['mp4']})),
 571             query_dict('http://example.com/path?quality=HD&format=mp4'))
 572         self.assertEqual(query_dict(update_url_query(
 573             'http://example.com/path', {'system': ['LINUX', 'WINDOWS']})),
 574             query_dict('http://example.com/path?system=LINUX&system=WINDOWS'))
 575         self.assertEqual(query_dict(update_url_query(
 576             'http://example.com/path', {'fields': 'id,formats,subtitles'})),
 577             query_dict('http://example.com/path?fields=id,formats,subtitles'))
 578         self.assertEqual(query_dict(update_url_query(
 579             'http://example.com/path', {'fields': ('id,formats,subtitles', 'thumbnails')})),
 580             query_dict('http://example.com/path?fields=id,formats,subtitles&fields=thumbnails'))
 581         self.assertEqual(query_dict(update_url_query(
 582             'http://example.com/path?manifest=f4m', {'manifest': []})),
 583             query_dict('http://example.com/path'))
 584         self.assertEqual(query_dict(update_url_query(
 585             'http://example.com/path?system=LINUX&system=WINDOWS', {'system': 'LINUX'})),
 586             query_dict('http://example.com/path?system=LINUX'))
 587         self.assertEqual(query_dict(update_url_query(
 588             'http://example.com/path', {'fields': b'id,formats,subtitles'})),
 589             query_dict('http://example.com/path?fields=id,formats,subtitles'))
 590         self.assertEqual(query_dict(update_url_query(
 591             'http://example.com/path', {'width': 1080, 'height': 720})),
 592             query_dict('http://example.com/path?width=1080&height=720'))
 593         self.assertEqual(query_dict(update_url_query(
 594             'http://example.com/path', {'bitrate': 5020.43})),
 595             query_dict('http://example.com/path?bitrate=5020.43'))
 596         self.assertEqual(query_dict(update_url_query(
 597             'http://example.com/path', {'test': '第二行тест'})),
 598             query_dict('http://example.com/path?test=%E7%AC%AC%E4%BA%8C%E8%A1%8C%D1%82%D0%B5%D1%81%D1%82'))
 599
 600     def test_dict_get(self):
 601         FALSE_VALUES = {
 602             'none': None,
 603             'false': False,
 604             'zero': 0,
 605             'empty_string': '',
 606             'empty_list': [],
 607         }
 608         d = FALSE_VALUES.copy()
 609         d['a'] = 42
 610         self.assertEqual(dict_get(d, 'a'), 42)
 611         self.assertEqual(dict_get(d, 'b'), None)
 612         self.assertEqual(dict_get(d, 'b', 42), 42)
 613         self.assertEqual(dict_get(d, ('a', )), 42)
 614         self.assertEqual(dict_get(d, ('b', 'a', )), 42)
 615         self.assertEqual(dict_get(d, ('b', 'c', 'a', 'd', )), 42)
 616         self.assertEqual(dict_get(d, ('b', 'c', )), None)
 617         self.assertEqual(dict_get(d, ('b', 'c', ), 42), 42)
 618         for key, false_value in FALSE_VALUES.items():
 619             self.assertEqual(dict_get(d, ('b', 'c', key, )), None)
 620             self.assertEqual(dict_get(d, ('b', 'c', key, ), skip_false_values=False), false_value)
 621
 622     def test_encode_compat_str(self):
 623         self.assertEqual(encode_compat_str(b'\xd1\x82\xd0\xb5\xd1\x81\xd1\x82', 'utf-8'), 'тест')
 624         self.assertEqual(encode_compat_str('тест', 'utf-8'), 'тест')
 625
 626     def test_parse_iso8601(self):
 627         self.assertEqual(parse_iso8601('2014-03-23T23:04:26+0100'), 1395612266)
 628         self.assertEqual(parse_iso8601('2014-03-23T22:04:26+0000'), 1395612266)
 629         self.assertEqual(parse_iso8601('2014-03-23T22:04:26Z'), 1395612266)
 630         self.assertEqual(parse_iso8601('2014-03-23T22:04:26.1234Z'), 1395612266)
 631         self.assertEqual(parse_iso8601('2015-09-29T08:27:31.727'), 1443515251)
 632         self.assertEqual(parse_iso8601('2015-09-29T08-27-31.727'), None)
 633
 634     def test_strip_jsonp(self):
 635         stripped = strip_jsonp('cb ([ {"id":"532cb",\n\n\n"x":\n3}\n]\n);')
 636         d = json.loads(stripped)
 637         self.assertEqual(d, [{"id": "532cb", "x": 3}])
 638
 639         stripped = strip_jsonp('parseMetadata({"STATUS":"OK"})\n\n\n//epc')
 640         d = json.loads(stripped)
 641         self.assertEqual(d, {'STATUS': 'OK'})
 642
 643         stripped = strip_jsonp('ps.embedHandler({"status": "success"});')
 644         d = json.loads(stripped)
 645         self.assertEqual(d, {'status': 'success'})
 646
 647     def test_uppercase_escape(self):
 648         self.assertEqual(uppercase_escape('aä'), 'aä')
 649         self.assertEqual(uppercase_escape('\\U0001d550'), '𝕐')
 650
 651     def test_lowercase_escape(self):
 652         self.assertEqual(lowercase_escape('aä'), 'aä')
 653         self.assertEqual(lowercase_escape('\\u0026'), '&')
 654
 655     def test_limit_length(self):
 656         self.assertEqual(limit_length(None, 12), None)
 657         self.assertEqual(limit_length('foo', 12), 'foo')
 658         self.assertTrue(
 659             limit_length('foo bar baz asd', 12).startswith('foo bar'))
 660         self.assertTrue('...' in limit_length('foo bar baz asd', 12))
 661
 662     def test_mimetype2ext(self):
 663         self.assertEqual(mimetype2ext(None), None)
 664         self.assertEqual(mimetype2ext('video/x-flv'), 'flv')
 665         self.assertEqual(mimetype2ext('application/x-mpegURL'), 'm3u8')
 666         self.assertEqual(mimetype2ext('text/vtt'), 'vtt')
 667         self.assertEqual(mimetype2ext('text/vtt;charset=utf-8'), 'vtt')
 668         self.assertEqual(mimetype2ext('text/html; charset=utf-8'), 'html')
 669
 670     def test_month_by_name(self):
 671         self.assertEqual(month_by_name(None), None)
 672         self.assertEqual(month_by_name('December', 'en'), 12)
 673         self.assertEqual(month_by_name('décembre', 'fr'), 12)
 674         self.assertEqual(month_by_name('December'), 12)
 675         self.assertEqual(month_by_name('décembre'), None)
 676         self.assertEqual(month_by_name('Unknown', 'unknown'), None)
 677
 678     def test_parse_codecs(self):
 679         self.assertEqual(parse_codecs(''), {})
 680         self.assertEqual(parse_codecs('avc1.77.30, mp4a.40.2'), {
 681             'vcodec': 'avc1.77.30',
 682             'acodec': 'mp4a.40.2',
 683         })
 684         self.assertEqual(parse_codecs('mp4a.40.2'), {
 685             'vcodec': 'none',
 686             'acodec': 'mp4a.40.2',
 687         })
 688         self.assertEqual(parse_codecs('mp4a.40.5,avc1.42001e'), {
 689             'vcodec': 'avc1.42001e',
 690             'acodec': 'mp4a.40.5',
 691         })
 692         self.assertEqual(parse_codecs('avc3.640028'), {
 693             'vcodec': 'avc3.640028',
 694             'acodec': 'none',
 695         })
 696         self.assertEqual(parse_codecs(', h264,,newcodec,aac'), {
 697             'vcodec': 'h264',
 698             'acodec': 'aac',
 699         })
 700
 701     def test_escape_rfc3986(self):
 702         reserved = "!*'();:@&=+$,/?#[]"
 703         unreserved = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.~'
 704         self.assertEqual(escape_rfc3986(reserved), reserved)
 705         self.assertEqual(escape_rfc3986(unreserved), unreserved)
 706         self.assertEqual(escape_rfc3986('тест'), '%D1%82%D0%B5%D1%81%D1%82')
 707         self.assertEqual(escape_rfc3986('%D1%82%D0%B5%D1%81%D1%82'), '%D1%82%D0%B5%D1%81%D1%82')
 708         self.assertEqual(escape_rfc3986('foo bar'), 'foo%20bar')
 709         self.assertEqual(escape_rfc3986('foo%20bar'), 'foo%20bar')
 710
 711     def test_escape_url(self):
 712         self.assertEqual(
 713             escape_url('http://wowza.imust.org/srv/vod/telemb/new/UPLOAD/UPLOAD/20224_IncendieHavré_FD.mp4'),
 714             'http://wowza.imust.org/srv/vod/telemb/new/UPLOAD/UPLOAD/20224_IncendieHavre%CC%81_FD.mp4'
 715         )
 716         self.assertEqual(
 717             escape_url('http://www.ardmediathek.de/tv/Sturm-der-Liebe/Folge-2036-Zu-Mann-und-Frau-erklärt/Das-Erste/Video?documentId=22673108&bcastId=5290'),
 718             'http://www.ardmediathek.de/tv/Sturm-der-Liebe/Folge-2036-Zu-Mann-und-Frau-erkl%C3%A4rt/Das-Erste/Video?documentId=22673108&bcastId=5290'
 719         )
 720         self.assertEqual(
 721             escape_url('http://тест.рф/фрагмент'),
 722             'http://xn--e1aybc.xn--p1ai/%D1%84%D1%80%D0%B0%D0%B3%D0%BC%D0%B5%D0%BD%D1%82'
 723         )
 724         self.assertEqual(
 725             escape_url('http://тест.рф/абв?абв=абв#абв'),
 726             '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'
 727         )
 728         self.assertEqual(escape_url('http://vimeo.com/56015672#at=0'), 'http://vimeo.com/56015672#at=0')
 729
 730     def test_js_to_json_realworld(self):
 731         inp = '''{
 732             'clip':{'provider':'pseudo'}
 733         }'''
 734         self.assertEqual(js_to_json(inp), '''{
 735             "clip":{"provider":"pseudo"}
 736         }''')
 737         json.loads(js_to_json(inp))
 738
 739         inp = '''{
 740             'playlist':[{'controls':{'all':null}}]
 741         }'''
 742         self.assertEqual(js_to_json(inp), '''{
 743             "playlist":[{"controls":{"all":null}}]
 744         }''')
 745
 746         inp = '''"The CW\\'s \\'Crazy Ex-Girlfriend\\'"'''
 747         self.assertEqual(js_to_json(inp), '''"The CW's 'Crazy Ex-Girlfriend'"''')
 748
 749         inp = '"SAND Number: SAND 2013-7800P\\nPresenter: Tom Russo\\nHabanero Software Training - Xyce Software\\nXyce, Sandia\\u0027s"'
 750         json_code = js_to_json(inp)
 751         self.assertEqual(json.loads(json_code), json.loads(inp))
 752
 753         inp = '''{
 754             0:{src:'skipped', type: 'application/dash+xml'},
 755             1:{src:'skipped', type: 'application/vnd.apple.mpegURL'},
 756         }'''
 757         self.assertEqual(js_to_json(inp), '''{
 758             "0":{"src":"skipped", "type": "application/dash+xml"},
 759             "1":{"src":"skipped", "type": "application/vnd.apple.mpegURL"}
 760         }''')
 761
 762         inp = '''{"foo":101}'''
 763         self.assertEqual(js_to_json(inp), '''{"foo":101}''')
 764
 765         inp = '''{"duration": "00:01:07"}'''
 766         self.assertEqual(js_to_json(inp), '''{"duration": "00:01:07"}''')
 767
 768     def test_js_to_json_edgecases(self):
 769         on = js_to_json("{abc_def:'1\\'\\\\2\\\\\\'3\"4'}")
 770         self.assertEqual(json.loads(on), {"abc_def": "1'\\2\\'3\"4"})
 771
 772         on = js_to_json('{"abc": true}')
 773         self.assertEqual(json.loads(on), {'abc': True})
 774
 775         # Ignore JavaScript code as well
 776         on = js_to_json('''{
 777             "x": 1,
 778             y: "a",
 779             z: some.code
 780         }''')
 781         d = json.loads(on)
 782         self.assertEqual(d['x'], 1)
 783         self.assertEqual(d['y'], 'a')
 784
 785         on = js_to_json('["abc", "def",]')
 786         self.assertEqual(json.loads(on), ['abc', 'def'])
 787
 788         on = js_to_json('[/*comment\n*/"abc"/*comment\n*/,/*comment\n*/"def",/*comment\n*/]')
 789         self.assertEqual(json.loads(on), ['abc', 'def'])
 790
 791         on = js_to_json('[//comment\n"abc" //comment\n,//comment\n"def",//comment\n]')
 792         self.assertEqual(json.loads(on), ['abc', 'def'])
 793
 794         on = js_to_json('{"abc": "def",}')
 795         self.assertEqual(json.loads(on), {'abc': 'def'})
 796
 797         on = js_to_json('{/*comment\n*/"abc"/*comment\n*/:/*comment\n*/"def"/*comment\n*/,/*comment\n*/}')
 798         self.assertEqual(json.loads(on), {'abc': 'def'})
 799
 800         on = js_to_json('{ 0: /* " \n */ ",]" , }')
 801         self.assertEqual(json.loads(on), {'0': ',]'})
 802
 803         on = js_to_json('{ /*comment\n*/0/*comment\n*/: /* " \n */ ",]" , }')
 804         self.assertEqual(json.loads(on), {'0': ',]'})
 805
 806         on = js_to_json('{ 0: // comment\n1 }')
 807         self.assertEqual(json.loads(on), {'0': 1})
 808
 809         on = js_to_json(r'["<p>x<\/p>"]')
 810         self.assertEqual(json.loads(on), ['<p>x</p>'])
 811
 812         on = js_to_json(r'["\xaa"]')
 813         self.assertEqual(json.loads(on), ['\u00aa'])
 814
 815         on = js_to_json("['a\\\nb']")
 816         self.assertEqual(json.loads(on), ['ab'])
 817
 818         on = js_to_json("/*comment\n*/[/*comment\n*/'a\\\nb'/*comment\n*/]/*comment\n*/")
 819         self.assertEqual(json.loads(on), ['ab'])
 820
 821         on = js_to_json('{0xff:0xff}')
 822         self.assertEqual(json.loads(on), {'255': 255})
 823
 824         on = js_to_json('{/*comment\n*/0xff/*comment\n*/:/*comment\n*/0xff/*comment\n*/}')
 825         self.assertEqual(json.loads(on), {'255': 255})
 826
 827         on = js_to_json('{077:077}')
 828         self.assertEqual(json.loads(on), {'63': 63})
 829
 830         on = js_to_json('{/*comment\n*/077/*comment\n*/:/*comment\n*/077/*comment\n*/}')
 831         self.assertEqual(json.loads(on), {'63': 63})
 832
 833         on = js_to_json('{42:42}')
 834         self.assertEqual(json.loads(on), {'42': 42})
 835
 836         on = js_to_json('{/*comment\n*/42/*comment\n*/:/*comment\n*/42/*comment\n*/}')
 837         self.assertEqual(json.loads(on), {'42': 42})
 838
 839     def test_extract_attributes(self):
 840         self.assertEqual(extract_attributes('<e x="y">'), {'x': 'y'})
 841         self.assertEqual(extract_attributes("<e x='y'>"), {'x': 'y'})
 842         self.assertEqual(extract_attributes('<e x=y>'), {'x': 'y'})
 843         self.assertEqual(extract_attributes('<e x="a \'b\' c">'), {'x': "a 'b' c"})
 844         self.assertEqual(extract_attributes('<e x=\'a "b" c\'>'), {'x': 'a "b" c'})
 845         self.assertEqual(extract_attributes('<e x="&#121;">'), {'x': 'y'})
 846         self.assertEqual(extract_attributes('<e x="&#x79;">'), {'x': 'y'})
 847         self.assertEqual(extract_attributes('<e x="&amp;">'), {'x': '&'})  # XML
 848         self.assertEqual(extract_attributes('<e x="&quot;">'), {'x': '"'})
 849         self.assertEqual(extract_attributes('<e x="&pound;">'), {'x': '£'})  # HTML 3.2
 850         self.assertEqual(extract_attributes('<e x="&lambda;">'), {'x': 'λ'})  # HTML 4.0
 851         self.assertEqual(extract_attributes('<e x="&foo">'), {'x': '&foo'})
 852         self.assertEqual(extract_attributes('<e x="\'">'), {'x': "'"})
 853         self.assertEqual(extract_attributes('<e x=\'"\'>'), {'x': '"'})
 854         self.assertEqual(extract_attributes('<e x >'), {'x': None})
 855         self.assertEqual(extract_attributes('<e x=y a>'), {'x': 'y', 'a': None})
 856         self.assertEqual(extract_attributes('<e x= y>'), {'x': 'y'})
 857         self.assertEqual(extract_attributes('<e x=1 y=2 x=3>'), {'y': '2', 'x': '3'})
 858         self.assertEqual(extract_attributes('<e \nx=\ny\n>'), {'x': 'y'})
 859         self.assertEqual(extract_attributes('<e \nx=\n"y"\n>'), {'x': 'y'})
 860         self.assertEqual(extract_attributes("<e \nx=\n'y'\n>"), {'x': 'y'})
 861         self.assertEqual(extract_attributes('<e \nx="\ny\n">'), {'x': '\ny\n'})
 862         self.assertEqual(extract_attributes('<e CAPS=x>'), {'caps': 'x'})  # Names lowercased
 863         self.assertEqual(extract_attributes('<e x=1 X=2>'), {'x': '2'})
 864         self.assertEqual(extract_attributes('<e X=1 x=2>'), {'x': '2'})
 865         self.assertEqual(extract_attributes('<e _:funny-name1=1>'), {'_:funny-name1': '1'})
 866         self.assertEqual(extract_attributes('<e x="Fáilte 世界 \U0001f600">'), {'x': 'Fáilte 世界 \U0001f600'})
 867         self.assertEqual(extract_attributes('<e x="décompose&#769;">'), {'x': 'décompose\u0301'})
 868         # "Narrow" Python builds don't support unicode code points outside BMP.
 869         try:
 870             compat_chr(0x10000)
 871             supports_outside_bmp = True
 872         except ValueError:
 873             supports_outside_bmp = False
 874         if supports_outside_bmp:
 875             self.assertEqual(extract_attributes('<e x="Smile &#128512;!">'), {'x': 'Smile \U0001f600!'})
 876
 877     def test_clean_html(self):
 878         self.assertEqual(clean_html('a:\nb'), 'a: b')
 879         self.assertEqual(clean_html('a:\n   "b"'), 'a:    "b"')
 880
 881     def test_intlist_to_bytes(self):
 882         self.assertEqual(
 883             intlist_to_bytes([0, 1, 127, 128, 255]),
 884             b'\x00\x01\x7f\x80\xff')
 885
 886     def test_args_to_str(self):
 887         self.assertEqual(
 888             args_to_str(['foo', 'ba/r', '-baz', '2 be', '']),
 889             'foo ba/r -baz \'2 be\' \'\''
 890         )
 891
 892     def test_parse_filesize(self):
 893         self.assertEqual(parse_filesize(None), None)
 894         self.assertEqual(parse_filesize(''), None)
 895         self.assertEqual(parse_filesize('91 B'), 91)
 896         self.assertEqual(parse_filesize('foobar'), None)
 897         self.assertEqual(parse_filesize('2 MiB'), 2097152)
 898         self.assertEqual(parse_filesize('5 GB'), 5000000000)
 899         self.assertEqual(parse_filesize('1.2Tb'), 1200000000000)
 900         self.assertEqual(parse_filesize('1.2tb'), 1200000000000)
 901         self.assertEqual(parse_filesize('1,24 KB'), 1240)
 902         self.assertEqual(parse_filesize('1,24 kb'), 1240)
 903         self.assertEqual(parse_filesize('8.5 megabytes'), 8500000)
 904
 905     def test_parse_count(self):
 906         self.assertEqual(parse_count(None), None)
 907         self.assertEqual(parse_count(''), None)
 908         self.assertEqual(parse_count('0'), 0)
 909         self.assertEqual(parse_count('1000'), 1000)
 910         self.assertEqual(parse_count('1.000'), 1000)
 911         self.assertEqual(parse_count('1.1k'), 1100)
 912         self.assertEqual(parse_count('1.1kk'), 1100000)
 913         self.assertEqual(parse_count('1.1kk '), 1100000)
 914         self.assertEqual(parse_count('1.1kk views'), 1100000)
 915
 916     def test_version_tuple(self):
 917         self.assertEqual(version_tuple('1'), (1,))
 918         self.assertEqual(version_tuple('10.23.344'), (10, 23, 344))
 919         self.assertEqual(version_tuple('10.1-6'), (10, 1, 6))  # avconv style
 920
 921     def test_detect_exe_version(self):
 922         self.assertEqual(detect_exe_version('''ffmpeg version 1.2.1
 923 built on May 27 2013 08:37:26 with gcc 4.7 (Debian 4.7.3-4)
 924 configuration: --prefix=/usr --extra-'''), '1.2.1')
 925         self.assertEqual(detect_exe_version('''ffmpeg version N-63176-g1fb4685
 926 built on May 15 2014 22:09:06 with gcc 4.8.2 (GCC)'''), 'N-63176-g1fb4685')
 927         self.assertEqual(detect_exe_version('''X server found. dri2 connection failed!
 928 Trying to open render node...
 929 Success at /dev/dri/renderD128.
 930 ffmpeg version 2.4.4 Copyright (c) 2000-2014 the FFmpeg ...'''), '2.4.4')
 931
 932     def test_age_restricted(self):
 933         self.assertFalse(age_restricted(None, 10))  # unrestricted content
 934         self.assertFalse(age_restricted(1, None))  # unrestricted policy
 935         self.assertFalse(age_restricted(8, 10))
 936         self.assertTrue(age_restricted(18, 14))
 937         self.assertFalse(age_restricted(18, 18))
 938
 939     def test_is_html(self):
 940         self.assertFalse(is_html(b'\x49\x44\x43<html'))
 941         self.assertTrue(is_html(b'<!DOCTYPE foo>\xaaa'))
 942         self.assertTrue(is_html(  # UTF-8 with BOM
 943             b'\xef\xbb\xbf<!DOCTYPE foo>\xaaa'))
 944         self.assertTrue(is_html(  # UTF-16-LE
 945             b'\xff\xfe<\x00h\x00t\x00m\x00l\x00>\x00\xe4\x00'
 946         ))
 947         self.assertTrue(is_html(  # UTF-16-BE
 948             b'\xfe\xff\x00<\x00h\x00t\x00m\x00l\x00>\x00\xe4'
 949         ))
 950         self.assertTrue(is_html(  # UTF-32-BE
 951             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'))
 952         self.assertTrue(is_html(  # UTF-32-LE
 953             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'))
 954
 955     def test_render_table(self):
 956         self.assertEqual(
 957             render_table(
 958                 ['a', 'bcd'],
 959                 [[123, 4], [9999, 51]]),
 960             'a    bcd\n'
 961             '123  4\n'
 962             '9999 51')
 963
 964     def test_match_str(self):
 965         self.assertRaises(ValueError, match_str, 'xy>foobar', {})
 966         self.assertFalse(match_str('xy', {'x': 1200}))
 967         self.assertTrue(match_str('!xy', {'x': 1200}))
 968         self.assertTrue(match_str('x', {'x': 1200}))
 969         self.assertFalse(match_str('!x', {'x': 1200}))
 970         self.assertTrue(match_str('x', {'x': 0}))
 971         self.assertFalse(match_str('x>0', {'x': 0}))
 972         self.assertFalse(match_str('x>0', {}))
 973         self.assertTrue(match_str('x>?0', {}))
 974         self.assertTrue(match_str('x>1K', {'x': 1200}))
 975         self.assertFalse(match_str('x>2K', {'x': 1200}))
 976         self.assertTrue(match_str('x>=1200 & x < 1300', {'x': 1200}))
 977         self.assertFalse(match_str('x>=1100 & x < 1200', {'x': 1200}))
 978         self.assertFalse(match_str('y=a212', {'y': 'foobar42'}))
 979         self.assertTrue(match_str('y=foobar42', {'y': 'foobar42'}))
 980         self.assertFalse(match_str('y!=foobar42', {'y': 'foobar42'}))
 981         self.assertTrue(match_str('y!=foobar2', {'y': 'foobar42'}))
 982         self.assertFalse(match_str(
 983             'like_count > 100 & dislike_count <? 50 & description',
 984             {'like_count': 90, 'description': 'foo'}))
 985         self.assertTrue(match_str(
 986             'like_count > 100 & dislike_count <? 50 & description',
 987             {'like_count': 190, 'description': 'foo'}))
 988         self.assertFalse(match_str(
 989             'like_count > 100 & dislike_count <? 50 & description',
 990             {'like_count': 190, 'dislike_count': 60, 'description': 'foo'}))
 991         self.assertFalse(match_str(
 992             'like_count > 100 & dislike_count <? 50 & description',
 993             {'like_count': 190, 'dislike_count': 10}))
 994
 995     def test_parse_dfxp_time_expr(self):
 996         self.assertEqual(parse_dfxp_time_expr(None), None)
 997         self.assertEqual(parse_dfxp_time_expr(''), None)
 998         self.assertEqual(parse_dfxp_time_expr('0.1'), 0.1)
 999         self.assertEqual(parse_dfxp_time_expr('0.1s'), 0.1)
1000         self.assertEqual(parse_dfxp_time_expr('00:00:01'), 1.0)
1001         self.assertEqual(parse_dfxp_time_expr('00:00:01.100'), 1.1)
1002         self.assertEqual(parse_dfxp_time_expr('00:00:01:100'), 1.1)
1003
1004     def test_dfxp2srt(self):
1005         dfxp_data = '''<?xml version="1.0" encoding="UTF-8"?>
1006             <tt xmlns="http://www.w3.org/ns/ttml" xml:lang="en" xmlns:tts="http://www.w3.org/ns/ttml#parameter">
1007             <body>
1008                 <div xml:lang="en">
1009                     <p begin="0" end="1">The following line contains Chinese characters and special symbols</p>
1010                     <p begin="1" end="2">第二行<br/>♪♪</p>
1011                     <p begin="2" dur="1"><span>Third<br/>Line</span></p>
1012                     <p begin="3" end="-1">Lines with invalid timestamps are ignored</p>
1013                     <p begin="-1" end="-1">Ignore, two</p>
1014                     <p begin="3" dur="-1">Ignored, three</p>
1015                 </div>
1016             </body>
1017             </tt>'''
1018         srt_data = '''1
1019 00:00:00,000 --> 00:00:01,000
1020 The following line contains Chinese characters and special symbols
1021
1022 2
1023 00:00:01,000 --> 00:00:02,000
1024 第二行
1025 ♪♪
1026
1027 3
1028 00:00:02,000 --> 00:00:03,000
1029 Third
1030 Line
1031
1032 '''
1033         self.assertEqual(dfxp2srt(dfxp_data), srt_data)
1034
1035         dfxp_data_no_default_namespace = '''<?xml version="1.0" encoding="UTF-8"?>
1036             <tt xml:lang="en" xmlns:tts="http://www.w3.org/ns/ttml#parameter">
1037             <body>
1038                 <div xml:lang="en">
1039                     <p begin="0" end="1">The first line</p>
1040                 </div>
1041             </body>
1042             </tt>'''
1043         srt_data = '''1
1044 00:00:00,000 --> 00:00:01,000
1045 The first line
1046
1047 '''
1048         self.assertEqual(dfxp2srt(dfxp_data_no_default_namespace), srt_data)
1049
1050     def test_cli_option(self):
1051         self.assertEqual(cli_option({'proxy': '127.0.0.1:3128'}, '--proxy', 'proxy'), ['--proxy', '127.0.0.1:3128'])
1052         self.assertEqual(cli_option({'proxy': None}, '--proxy', 'proxy'), [])
1053         self.assertEqual(cli_option({}, '--proxy', 'proxy'), [])
1054         self.assertEqual(cli_option({'retries': 10}, '--retries', 'retries'), ['--retries', '10'])
1055
1056     def test_cli_valueless_option(self):
1057         self.assertEqual(cli_valueless_option(
1058             {'downloader': 'external'}, '--external-downloader', 'downloader', 'external'), ['--external-downloader'])
1059         self.assertEqual(cli_valueless_option(
1060             {'downloader': 'internal'}, '--external-downloader', 'downloader', 'external'), [])
1061         self.assertEqual(cli_valueless_option(
1062             {'nocheckcertificate': True}, '--no-check-certificate', 'nocheckcertificate'), ['--no-check-certificate'])
1063         self.assertEqual(cli_valueless_option(
1064             {'nocheckcertificate': False}, '--no-check-certificate', 'nocheckcertificate'), [])
1065         self.assertEqual(cli_valueless_option(
1066             {'checkcertificate': True}, '--no-check-certificate', 'checkcertificate', False), [])
1067         self.assertEqual(cli_valueless_option(
1068             {'checkcertificate': False}, '--no-check-certificate', 'checkcertificate', False), ['--no-check-certificate'])
1069
1070     def test_cli_bool_option(self):
1071         self.assertEqual(
1072             cli_bool_option(
1073                 {'nocheckcertificate': True}, '--no-check-certificate', 'nocheckcertificate'),
1074             ['--no-check-certificate', 'true'])
1075         self.assertEqual(
1076             cli_bool_option(
1077                 {'nocheckcertificate': True}, '--no-check-certificate', 'nocheckcertificate', separator='='),
1078             ['--no-check-certificate=true'])
1079         self.assertEqual(
1080             cli_bool_option(
1081                 {'nocheckcertificate': True}, '--check-certificate', 'nocheckcertificate', 'false', 'true'),
1082             ['--check-certificate', 'false'])
1083         self.assertEqual(
1084             cli_bool_option(
1085                 {'nocheckcertificate': True}, '--check-certificate', 'nocheckcertificate', 'false', 'true', '='),
1086             ['--check-certificate=false'])
1087         self.assertEqual(
1088             cli_bool_option(
1089                 {'nocheckcertificate': False}, '--check-certificate', 'nocheckcertificate', 'false', 'true'),
1090             ['--check-certificate', 'true'])
1091         self.assertEqual(
1092             cli_bool_option(
1093                 {'nocheckcertificate': False}, '--check-certificate', 'nocheckcertificate', 'false', 'true', '='),
1094             ['--check-certificate=true'])
1095
1096     def test_ohdave_rsa_encrypt(self):
1097         N = 0xab86b6371b5318aaa1d3c9e612a9f1264f372323c8c0f19875b5fc3b3fd3afcc1e5bec527aa94bfa85bffc157e4245aebda05389a5357b75115ac94f074aefcd
1098         e = 65537
1099
1100         self.assertEqual(
1101             ohdave_rsa_encrypt(b'aa111222', e, N),
1102             '726664bd9a23fd0c70f9f1b84aab5e3905ce1e45a584e9cbcf9bcc7510338fc1986d6c599ff990d923aa43c51c0d9013cd572e13bc58f4ae48f2ed8c0b0ba881')
1103
1104     def test_encode_base_n(self):
1105         self.assertEqual(encode_base_n(0, 30), '0')
1106         self.assertEqual(encode_base_n(80, 30), '2k')
1107
1108         custom_table = '9876543210ZYXWVUTSRQPONMLKJIHGFEDCBA'
1109         self.assertEqual(encode_base_n(0, 30, custom_table), '9')
1110         self.assertEqual(encode_base_n(80, 30, custom_table), '7P')
1111
1112         self.assertRaises(ValueError, encode_base_n, 0, 70)
1113         self.assertRaises(ValueError, encode_base_n, 0, 60, custom_table)
1114
1115     def test_urshift(self):
1116         self.assertEqual(urshift(3, 1), 1)
1117         self.assertEqual(urshift(-3, 1), 2147483646)
1118
1119     def test_get_element_by_class(self):
1120         html = '''
1121             <span class="foo bar">nice</span>
1122         '''
1123
1124         self.assertEqual(get_element_by_class('foo', html), 'nice')
1125         self.assertEqual(get_element_by_class('no-such-class', html), None)
1126
1127
1128 if __name__ == '__main__':
1129     unittest.main()