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