_ 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     clean_html,
  22     DateRange,
  23     detect_exe_version,
  24     determine_ext,
  25     dict_get,
  26     encode_compat_str,
  27     encodeFilename,
  28     escape_rfc3986,
  29     escape_url,
  30     ExtractorError,
  31     find_xpath_attr,
  32     fix_xml_ampersands,
  33     InAdvancePagedList,
  34     intlist_to_bytes,
  35     is_html,
  36     js_to_json,
  37     limit_length,
  38     OnDemandPagedList,
  39     orderedSet,
  40     parse_duration,
  41     parse_filesize,
  42     parse_iso8601,
  43     read_batch_urls,
  44     sanitize_filename,
  45     sanitize_path,
  46     prepend_extension,
  47     replace_extension,
  48     remove_quotes,
  49     shell_quote,
  50     smuggle_url,
  51     str_to_int,
  52     strip_jsonp,
  53     struct_unpack,
  54     timeconvert,
  55     unescapeHTML,
  56     unified_strdate,
  57     unsmuggle_url,
  58     uppercase_escape,
  59     lowercase_escape,
  60     url_basename,
  61     urlencode_postdata,
  62     version_tuple,
  63     xpath_with_ns,
  64     xpath_element,
  65     xpath_text,
  66     xpath_attr,
  67     render_table,
  68     match_str,
  69     parse_dfxp_time_expr,
  70     dfxp2srt,
  71     cli_option,
  72     cli_valueless_option,
  73     cli_bool_option,
  74 )
  75 from youtube_dl.compat import (
  76     compat_etree_fromstring,
  77 )
  78
  79
  80 class TestUtil(unittest.TestCase):
  81     def test_timeconvert(self):
  82         self.assertTrue(timeconvert('') is None)
  83         self.assertTrue(timeconvert('bougrg') is None)
  84
  85     def test_sanitize_filename(self):
  86         self.assertEqual(sanitize_filename('abc'), 'abc')
  87         self.assertEqual(sanitize_filename('abc_d-e'), 'abc_d-e')
  88
  89         self.assertEqual(sanitize_filename('123'), '123')
  90
  91         self.assertEqual('abc_de', sanitize_filename('abc/de'))
  92         self.assertFalse('/' in sanitize_filename('abc/de///'))
  93
  94         self.assertEqual('abc_de', sanitize_filename('abc/<>\\*|de'))
  95         self.assertEqual('xxx', sanitize_filename('xxx/<>\\*|'))
  96         self.assertEqual('yes no', sanitize_filename('yes? no'))
  97         self.assertEqual('this - that', sanitize_filename('this: that'))
  98
  99         self.assertEqual(sanitize_filename('AT&T'), 'AT&T')
 100         aumlaut = 'ä'
 101         self.assertEqual(sanitize_filename(aumlaut), aumlaut)
 102         tests = '\u043a\u0438\u0440\u0438\u043b\u043b\u0438\u0446\u0430'
 103         self.assertEqual(sanitize_filename(tests), tests)
 104
 105         self.assertEqual(
 106             sanitize_filename('New World record at 0:12:34'),
 107             'New World record at 0_12_34')
 108
 109         self.assertEqual(sanitize_filename('--gasdgf'), '_-gasdgf')
 110         self.assertEqual(sanitize_filename('--gasdgf', is_id=True), '--gasdgf')
 111         self.assertEqual(sanitize_filename('.gasdgf'), 'gasdgf')
 112         self.assertEqual(sanitize_filename('.gasdgf', is_id=True), '.gasdgf')
 113
 114         forbidden = '"\0\\/'
 115         for fc in forbidden:
 116             for fbc in forbidden:
 117                 self.assertTrue(fbc not in sanitize_filename(fc))
 118
 119     def test_sanitize_filename_restricted(self):
 120         self.assertEqual(sanitize_filename('abc', restricted=True), 'abc')
 121         self.assertEqual(sanitize_filename('abc_d-e', restricted=True), 'abc_d-e')
 122
 123         self.assertEqual(sanitize_filename('123', restricted=True), '123')
 124
 125         self.assertEqual('abc_de', sanitize_filename('abc/de', restricted=True))
 126         self.assertFalse('/' in sanitize_filename('abc/de///', restricted=True))
 127
 128         self.assertEqual('abc_de', sanitize_filename('abc/<>\\*|de', restricted=True))
 129         self.assertEqual('xxx', sanitize_filename('xxx/<>\\*|', restricted=True))
 130         self.assertEqual('yes_no', sanitize_filename('yes? no', restricted=True))
 131         self.assertEqual('this_-_that', sanitize_filename('this: that', restricted=True))
 132
 133         tests = 'a\xe4b\u4e2d\u56fd\u7684c'
 134         self.assertEqual(sanitize_filename(tests, restricted=True), 'a_b_c')
 135         self.assertTrue(sanitize_filename('\xf6', restricted=True) != '')  # No empty filename
 136
 137         forbidden = '"\0\\/&!: \'\t\n()[]{}$;`^,#'
 138         for fc in forbidden:
 139             for fbc in forbidden:
 140                 self.assertTrue(fbc not in sanitize_filename(fc, restricted=True))
 141
 142         # Handle a common case more neatly
 143         self.assertEqual(sanitize_filename('\u5927\u58f0\u5e26 - Song', restricted=True), 'Song')
 144         self.assertEqual(sanitize_filename('\u603b\u7edf: Speech', restricted=True), 'Speech')
 145         # .. but make sure the file name is never empty
 146         self.assertTrue(sanitize_filename('-', restricted=True) != '')
 147         self.assertTrue(sanitize_filename(':', restricted=True) != '')
 148
 149     def test_sanitize_ids(self):
 150         self.assertEqual(sanitize_filename('_n_cd26wFpw', is_id=True), '_n_cd26wFpw')
 151         self.assertEqual(sanitize_filename('_BD_eEpuzXw', is_id=True), '_BD_eEpuzXw')
 152         self.assertEqual(sanitize_filename('N0Y__7-UOdI', is_id=True), 'N0Y__7-UOdI')
 153
 154     def test_sanitize_path(self):
 155         if sys.platform != 'win32':
 156             return
 157
 158         self.assertEqual(sanitize_path('abc'), 'abc')
 159         self.assertEqual(sanitize_path('abc/def'), 'abc\\def')
 160         self.assertEqual(sanitize_path('abc\\def'), 'abc\\def')
 161         self.assertEqual(sanitize_path('abc|def'), 'abc#def')
 162         self.assertEqual(sanitize_path('<>:"|?*'), '#######')
 163         self.assertEqual(sanitize_path('C:/abc/def'), 'C:\\abc\\def')
 164         self.assertEqual(sanitize_path('C?:/abc/def'), 'C##\\abc\\def')
 165
 166         self.assertEqual(sanitize_path('\\\\?\\UNC\\ComputerName\\abc'), '\\\\?\\UNC\\ComputerName\\abc')
 167         self.assertEqual(sanitize_path('\\\\?\\UNC/ComputerName/abc'), '\\\\?\\UNC\\ComputerName\\abc')
 168
 169         self.assertEqual(sanitize_path('\\\\?\\C:\\abc'), '\\\\?\\C:\\abc')
 170         self.assertEqual(sanitize_path('\\\\?\\C:/abc'), '\\\\?\\C:\\abc')
 171         self.assertEqual(sanitize_path('\\\\?\\C:\\ab?c\\de:f'), '\\\\?\\C:\\ab#c\\de#f')
 172         self.assertEqual(sanitize_path('\\\\?\\C:\\abc'), '\\\\?\\C:\\abc')
 173
 174         self.assertEqual(
 175             sanitize_path('youtube/%(uploader)s/%(autonumber)s-%(title)s-%(upload_date)s.%(ext)s'),
 176             'youtube\\%(uploader)s\\%(autonumber)s-%(title)s-%(upload_date)s.%(ext)s')
 177
 178         self.assertEqual(
 179             sanitize_path('youtube/TheWreckingYard ./00001-Not bad, Especially for Free! (1987 Yamaha 700)-20141116.mp4.part'),
 180             'youtube\\TheWreckingYard #\\00001-Not bad, Especially for Free! (1987 Yamaha 700)-20141116.mp4.part')
 181         self.assertEqual(sanitize_path('abc/def...'), 'abc\\def..#')
 182         self.assertEqual(sanitize_path('abc.../def'), 'abc..#\\def')
 183         self.assertEqual(sanitize_path('abc.../def...'), 'abc..#\\def..#')
 184
 185         self.assertEqual(sanitize_path('../abc'), '..\\abc')
 186         self.assertEqual(sanitize_path('../../abc'), '..\\..\\abc')
 187         self.assertEqual(sanitize_path('./abc'), 'abc')
 188         self.assertEqual(sanitize_path('./../abc'), '..\\abc')
 189
 190     def test_prepend_extension(self):
 191         self.assertEqual(prepend_extension('abc.ext', 'temp'), 'abc.temp.ext')
 192         self.assertEqual(prepend_extension('abc.ext', 'temp', 'ext'), 'abc.temp.ext')
 193         self.assertEqual(prepend_extension('abc.unexpected_ext', 'temp', 'ext'), 'abc.unexpected_ext.temp')
 194         self.assertEqual(prepend_extension('abc', 'temp'), 'abc.temp')
 195         self.assertEqual(prepend_extension('.abc', 'temp'), '.abc.temp')
 196         self.assertEqual(prepend_extension('.abc.ext', 'temp'), '.abc.temp.ext')
 197
 198     def test_replace_extension(self):
 199         self.assertEqual(replace_extension('abc.ext', 'temp'), 'abc.temp')
 200         self.assertEqual(replace_extension('abc.ext', 'temp', 'ext'), 'abc.temp')
 201         self.assertEqual(replace_extension('abc.unexpected_ext', 'temp', 'ext'), 'abc.unexpected_ext.temp')
 202         self.assertEqual(replace_extension('abc', 'temp'), 'abc.temp')
 203         self.assertEqual(replace_extension('.abc', 'temp'), '.abc.temp')
 204         self.assertEqual(replace_extension('.abc.ext', 'temp'), '.abc.temp')
 205
 206     def test_remove_quotes(self):
 207         self.assertEqual(remove_quotes(None), None)
 208         self.assertEqual(remove_quotes('"'), '"')
 209         self.assertEqual(remove_quotes("'"), "'")
 210         self.assertEqual(remove_quotes(';'), ';')
 211         self.assertEqual(remove_quotes('";'), '";')
 212         self.assertEqual(remove_quotes('""'), '')
 213         self.assertEqual(remove_quotes('";"'), ';')
 214
 215     def test_ordered_set(self):
 216         self.assertEqual(orderedSet([1, 1, 2, 3, 4, 4, 5, 6, 7, 3, 5]), [1, 2, 3, 4, 5, 6, 7])
 217         self.assertEqual(orderedSet([]), [])
 218         self.assertEqual(orderedSet([1]), [1])
 219         # keep the list ordered
 220         self.assertEqual(orderedSet([135, 1, 1, 1]), [135, 1])
 221
 222     def test_unescape_html(self):
 223         self.assertEqual(unescapeHTML('%20;'), '%20;')
 224         self.assertEqual(unescapeHTML('&#x2F;'), '/')
 225         self.assertEqual(unescapeHTML('&#47;'), '/')
 226         self.assertEqual(unescapeHTML('&eacute;'), 'é')
 227         self.assertEqual(unescapeHTML('&#2013266066;'), '&#2013266066;')
 228
 229     def test_daterange(self):
 230         _20century = DateRange("19000101", "20000101")
 231         self.assertFalse("17890714" in _20century)
 232         _ac = DateRange("00010101")
 233         self.assertTrue("19690721" in _ac)
 234         _firstmilenium = DateRange(end="10000101")
 235         self.assertTrue("07110427" in _firstmilenium)
 236
 237     def test_unified_dates(self):
 238         self.assertEqual(unified_strdate('December 21, 2010'), '20101221')
 239         self.assertEqual(unified_strdate('8/7/2009'), '20090708')
 240         self.assertEqual(unified_strdate('Dec 14, 2012'), '20121214')
 241         self.assertEqual(unified_strdate('2012/10/11 01:56:38 +0000'), '20121011')
 242         self.assertEqual(unified_strdate('1968 12 10'), '19681210')
 243         self.assertEqual(unified_strdate('1968-12-10'), '19681210')
 244         self.assertEqual(unified_strdate('28/01/2014 21:00:00 +0100'), '20140128')
 245         self.assertEqual(
 246             unified_strdate('11/26/2014 11:30:00 AM PST', day_first=False),
 247             '20141126')
 248         self.assertEqual(
 249             unified_strdate('2/2/2015 6:47:40 PM', day_first=False),
 250             '20150202')
 251         self.assertEqual(unified_strdate('25-09-2014'), '20140925')
 252         self.assertEqual(unified_strdate('UNKNOWN DATE FORMAT'), None)
 253
 254     def test_determine_ext(self):
 255         self.assertEqual(determine_ext('http://example.com/foo/bar.mp4/?download'), 'mp4')
 256         self.assertEqual(determine_ext('http://example.com/foo/bar/?download', None), None)
 257         self.assertEqual(determine_ext('http://example.com/foo/bar.nonext/?download', None), None)
 258         self.assertEqual(determine_ext('http://example.com/foo/bar/mp4?download', None), None)
 259         self.assertEqual(determine_ext('http://example.com/foo/bar.m3u8//?download'), 'm3u8')
 260
 261     def test_find_xpath_attr(self):
 262         testxml = '''<root>
 263             <node/>
 264             <node x="a"/>
 265             <node x="a" y="c" />
 266             <node x="b" y="d" />
 267             <node x="" />
 268         </root>'''
 269         doc = compat_etree_fromstring(testxml)
 270
 271         self.assertEqual(find_xpath_attr(doc, './/fourohfour', 'n'), None)
 272         self.assertEqual(find_xpath_attr(doc, './/fourohfour', 'n', 'v'), None)
 273         self.assertEqual(find_xpath_attr(doc, './/node', 'n'), None)
 274         self.assertEqual(find_xpath_attr(doc, './/node', 'n', 'v'), None)
 275         self.assertEqual(find_xpath_attr(doc, './/node', 'x'), doc[1])
 276         self.assertEqual(find_xpath_attr(doc, './/node', 'x', 'a'), doc[1])
 277         self.assertEqual(find_xpath_attr(doc, './/node', 'x', 'b'), doc[3])
 278         self.assertEqual(find_xpath_attr(doc, './/node', 'y'), doc[2])
 279         self.assertEqual(find_xpath_attr(doc, './/node', 'y', 'c'), doc[2])
 280         self.assertEqual(find_xpath_attr(doc, './/node', 'y', 'd'), doc[3])
 281         self.assertEqual(find_xpath_attr(doc, './/node', 'x', ''), doc[4])
 282
 283     def test_xpath_with_ns(self):
 284         testxml = '''<root xmlns:media="http://example.com/">
 285             <media:song>
 286                 <media:author>The Author</media:author>
 287                 <url>http://server.com/download.mp3</url>
 288             </media:song>
 289         </root>'''
 290         doc = compat_etree_fromstring(testxml)
 291         find = lambda p: doc.find(xpath_with_ns(p, {'media': 'http://example.com/'}))
 292         self.assertTrue(find('media:song') is not None)
 293         self.assertEqual(find('media:song/media:author').text, 'The Author')
 294         self.assertEqual(find('media:song/url').text, 'http://server.com/download.mp3')
 295
 296     def test_xpath_element(self):
 297         doc = xml.etree.ElementTree.Element('root')
 298         div = xml.etree.ElementTree.SubElement(doc, 'div')
 299         p = xml.etree.ElementTree.SubElement(div, 'p')
 300         p.text = 'Foo'
 301         self.assertEqual(xpath_element(doc, 'div/p'), p)
 302         self.assertEqual(xpath_element(doc, ['div/p']), p)
 303         self.assertEqual(xpath_element(doc, ['div/bar', 'div/p']), p)
 304         self.assertEqual(xpath_element(doc, 'div/bar', default='default'), 'default')
 305         self.assertEqual(xpath_element(doc, ['div/bar'], default='default'), 'default')
 306         self.assertTrue(xpath_element(doc, 'div/bar') is None)
 307         self.assertTrue(xpath_element(doc, ['div/bar']) is None)
 308         self.assertTrue(xpath_element(doc, ['div/bar'], 'div/baz') is None)
 309         self.assertRaises(ExtractorError, xpath_element, doc, 'div/bar', fatal=True)
 310         self.assertRaises(ExtractorError, xpath_element, doc, ['div/bar'], fatal=True)
 311         self.assertRaises(ExtractorError, xpath_element, doc, ['div/bar', 'div/baz'], fatal=True)
 312
 313     def test_xpath_text(self):
 314         testxml = '''<root>
 315             <div>
 316                 <p>Foo</p>
 317             </div>
 318         </root>'''
 319         doc = compat_etree_fromstring(testxml)
 320         self.assertEqual(xpath_text(doc, 'div/p'), 'Foo')
 321         self.assertEqual(xpath_text(doc, 'div/bar', default='default'), 'default')
 322         self.assertTrue(xpath_text(doc, 'div/bar') is None)
 323         self.assertRaises(ExtractorError, xpath_text, doc, 'div/bar', fatal=True)
 324
 325     def test_xpath_attr(self):
 326         testxml = '''<root>
 327             <div>
 328                 <p x="a">Foo</p>
 329             </div>
 330         </root>'''
 331         doc = compat_etree_fromstring(testxml)
 332         self.assertEqual(xpath_attr(doc, 'div/p', 'x'), 'a')
 333         self.assertEqual(xpath_attr(doc, 'div/bar', 'x'), None)
 334         self.assertEqual(xpath_attr(doc, 'div/p', 'y'), None)
 335         self.assertEqual(xpath_attr(doc, 'div/bar', 'x', default='default'), 'default')
 336         self.assertEqual(xpath_attr(doc, 'div/p', 'y', default='default'), 'default')
 337         self.assertRaises(ExtractorError, xpath_attr, doc, 'div/bar', 'x', fatal=True)
 338         self.assertRaises(ExtractorError, xpath_attr, doc, 'div/p', 'y', fatal=True)
 339
 340     def test_smuggle_url(self):
 341         data = {"ö": "ö", "abc": [3]}
 342         url = 'https://foo.bar/baz?x=y#a'
 343         smug_url = smuggle_url(url, data)
 344         unsmug_url, unsmug_data = unsmuggle_url(smug_url)
 345         self.assertEqual(url, unsmug_url)
 346         self.assertEqual(data, unsmug_data)
 347
 348         res_url, res_data = unsmuggle_url(url)
 349         self.assertEqual(res_url, url)
 350         self.assertEqual(res_data, None)
 351
 352     def test_shell_quote(self):
 353         args = ['ffmpeg', '-i', encodeFilename('ñ€ß\'.mp4')]
 354         self.assertEqual(shell_quote(args), """ffmpeg -i 'ñ€ß'"'"'.mp4'""")
 355
 356     def test_str_to_int(self):
 357         self.assertEqual(str_to_int('123,456'), 123456)
 358         self.assertEqual(str_to_int('123.456'), 123456)
 359
 360     def test_url_basename(self):
 361         self.assertEqual(url_basename('http://foo.de/'), '')
 362         self.assertEqual(url_basename('http://foo.de/bar/baz'), 'baz')
 363         self.assertEqual(url_basename('http://foo.de/bar/baz?x=y'), 'baz')
 364         self.assertEqual(url_basename('http://foo.de/bar/baz#x=y'), 'baz')
 365         self.assertEqual(url_basename('http://foo.de/bar/baz/'), 'baz')
 366         self.assertEqual(
 367             url_basename('http://media.w3.org/2010/05/sintel/trailer.mp4'),
 368             'trailer.mp4')
 369
 370     def test_parse_duration(self):
 371         self.assertEqual(parse_duration(None), None)
 372         self.assertEqual(parse_duration(False), None)
 373         self.assertEqual(parse_duration('invalid'), None)
 374         self.assertEqual(parse_duration('1'), 1)
 375         self.assertEqual(parse_duration('1337:12'), 80232)
 376         self.assertEqual(parse_duration('9:12:43'), 33163)
 377         self.assertEqual(parse_duration('12:00'), 720)
 378         self.assertEqual(parse_duration('00:01:01'), 61)
 379         self.assertEqual(parse_duration('x:y'), None)
 380         self.assertEqual(parse_duration('3h11m53s'), 11513)
 381         self.assertEqual(parse_duration('3h 11m 53s'), 11513)
 382         self.assertEqual(parse_duration('3 hours 11 minutes 53 seconds'), 11513)
 383         self.assertEqual(parse_duration('3 hours 11 mins 53 secs'), 11513)
 384         self.assertEqual(parse_duration('62m45s'), 3765)
 385         self.assertEqual(parse_duration('6m59s'), 419)
 386         self.assertEqual(parse_duration('49s'), 49)
 387         self.assertEqual(parse_duration('0h0m0s'), 0)
 388         self.assertEqual(parse_duration('0m0s'), 0)
 389         self.assertEqual(parse_duration('0s'), 0)
 390         self.assertEqual(parse_duration('01:02:03.05'), 3723.05)
 391         self.assertEqual(parse_duration('T30M38S'), 1838)
 392         self.assertEqual(parse_duration('5 s'), 5)
 393         self.assertEqual(parse_duration('3 min'), 180)
 394         self.assertEqual(parse_duration('2.5 hours'), 9000)
 395         self.assertEqual(parse_duration('02:03:04'), 7384)
 396         self.assertEqual(parse_duration('01:02:03:04'), 93784)
 397         self.assertEqual(parse_duration('1 hour 3 minutes'), 3780)
 398         self.assertEqual(parse_duration('87 Min.'), 5220)
 399
 400     def test_fix_xml_ampersands(self):
 401         self.assertEqual(
 402             fix_xml_ampersands('"&x=y&z=a'), '"&amp;x=y&amp;z=a')
 403         self.assertEqual(
 404             fix_xml_ampersands('"&amp;x=y&wrong;&z=a'),
 405             '"&amp;x=y&amp;wrong;&amp;z=a')
 406         self.assertEqual(
 407             fix_xml_ampersands('&amp;&apos;&gt;&lt;&quot;'),
 408             '&amp;&apos;&gt;&lt;&quot;')
 409         self.assertEqual(
 410             fix_xml_ampersands('&#1234;&#x1abC;'), '&#1234;&#x1abC;')
 411         self.assertEqual(fix_xml_ampersands('&#&#'), '&amp;#&amp;#')
 412
 413     def test_paged_list(self):
 414         def testPL(size, pagesize, sliceargs, expected):
 415             def get_page(pagenum):
 416                 firstid = pagenum * pagesize
 417                 upto = min(size, pagenum * pagesize + pagesize)
 418                 for i in range(firstid, upto):
 419                     yield i
 420
 421             pl = OnDemandPagedList(get_page, pagesize)
 422             got = pl.getslice(*sliceargs)
 423             self.assertEqual(got, expected)
 424
 425             iapl = InAdvancePagedList(get_page, size // pagesize + 1, pagesize)
 426             got = iapl.getslice(*sliceargs)
 427             self.assertEqual(got, expected)
 428
 429         testPL(5, 2, (), [0, 1, 2, 3, 4])
 430         testPL(5, 2, (1,), [1, 2, 3, 4])
 431         testPL(5, 2, (2,), [2, 3, 4])
 432         testPL(5, 2, (4,), [4])
 433         testPL(5, 2, (0, 3), [0, 1, 2])
 434         testPL(5, 2, (1, 4), [1, 2, 3])
 435         testPL(5, 2, (2, 99), [2, 3, 4])
 436         testPL(5, 2, (20, 99), [])
 437
 438     def test_struct_unpack(self):
 439         self.assertEqual(struct_unpack('!B', b'\x00'), (0,))
 440
 441     def test_read_batch_urls(self):
 442         f = io.StringIO('''\xef\xbb\xbf foo
 443             bar\r
 444             baz
 445             # More after this line\r
 446             ; or after this
 447             bam''')
 448         self.assertEqual(read_batch_urls(f), ['foo', 'bar', 'baz', 'bam'])
 449
 450     def test_urlencode_postdata(self):
 451         data = urlencode_postdata({'username': 'foo@bar.com', 'password': '1234'})
 452         self.assertTrue(isinstance(data, bytes))
 453
 454     def test_dict_get(self):
 455         FALSE_VALUES = {
 456             'none': None,
 457             'false': False,
 458             'zero': 0,
 459             'empty_string': '',
 460             'empty_list': [],
 461         }
 462         d = FALSE_VALUES.copy()
 463         d['a'] = 42
 464         self.assertEqual(dict_get(d, 'a'), 42)
 465         self.assertEqual(dict_get(d, 'b'), None)
 466         self.assertEqual(dict_get(d, 'b', 42), 42)
 467         self.assertEqual(dict_get(d, ('a', )), 42)
 468         self.assertEqual(dict_get(d, ('b', 'a', )), 42)
 469         self.assertEqual(dict_get(d, ('b', 'c', 'a', 'd', )), 42)
 470         self.assertEqual(dict_get(d, ('b', 'c', )), None)
 471         self.assertEqual(dict_get(d, ('b', 'c', ), 42), 42)
 472         for key, false_value in FALSE_VALUES.items():
 473             self.assertEqual(dict_get(d, ('b', 'c', key, )), None)
 474             self.assertEqual(dict_get(d, ('b', 'c', key, ), skip_false_values=False), false_value)
 475
 476     def test_encode_compat_str(self):
 477         self.assertEqual(encode_compat_str(b'\xd1\x82\xd0\xb5\xd1\x81\xd1\x82', 'utf-8'), 'тест')
 478         self.assertEqual(encode_compat_str('тест', 'utf-8'), 'тест')
 479
 480     def test_parse_iso8601(self):
 481         self.assertEqual(parse_iso8601('2014-03-23T23:04:26+0100'), 1395612266)
 482         self.assertEqual(parse_iso8601('2014-03-23T22:04:26+0000'), 1395612266)
 483         self.assertEqual(parse_iso8601('2014-03-23T22:04:26Z'), 1395612266)
 484         self.assertEqual(parse_iso8601('2014-03-23T22:04:26.1234Z'), 1395612266)
 485         self.assertEqual(parse_iso8601('2015-09-29T08:27:31.727'), 1443515251)
 486         self.assertEqual(parse_iso8601('2015-09-29T08-27-31.727'), None)
 487
 488     def test_strip_jsonp(self):
 489         stripped = strip_jsonp('cb ([ {"id":"532cb",\n\n\n"x":\n3}\n]\n);')
 490         d = json.loads(stripped)
 491         self.assertEqual(d, [{"id": "532cb", "x": 3}])
 492
 493         stripped = strip_jsonp('parseMetadata({"STATUS":"OK"})\n\n\n//epc')
 494         d = json.loads(stripped)
 495         self.assertEqual(d, {'STATUS': 'OK'})
 496
 497     def test_uppercase_escape(self):
 498         self.assertEqual(uppercase_escape('aä'), 'aä')
 499         self.assertEqual(uppercase_escape('\\U0001d550'), '𝕐')
 500
 501     def test_lowercase_escape(self):
 502         self.assertEqual(lowercase_escape('aä'), 'aä')
 503         self.assertEqual(lowercase_escape('\\u0026'), '&')
 504
 505     def test_limit_length(self):
 506         self.assertEqual(limit_length(None, 12), None)
 507         self.assertEqual(limit_length('foo', 12), 'foo')
 508         self.assertTrue(
 509             limit_length('foo bar baz asd', 12).startswith('foo bar'))
 510         self.assertTrue('...' in limit_length('foo bar baz asd', 12))
 511
 512     def test_escape_rfc3986(self):
 513         reserved = "!*'();:@&=+$,/?#[]"
 514         unreserved = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.~'
 515         self.assertEqual(escape_rfc3986(reserved), reserved)
 516         self.assertEqual(escape_rfc3986(unreserved), unreserved)
 517         self.assertEqual(escape_rfc3986('тест'), '%D1%82%D0%B5%D1%81%D1%82')
 518         self.assertEqual(escape_rfc3986('%D1%82%D0%B5%D1%81%D1%82'), '%D1%82%D0%B5%D1%81%D1%82')
 519         self.assertEqual(escape_rfc3986('foo bar'), 'foo%20bar')
 520         self.assertEqual(escape_rfc3986('foo%20bar'), 'foo%20bar')
 521
 522     def test_escape_url(self):
 523         self.assertEqual(
 524             escape_url('http://wowza.imust.org/srv/vod/telemb/new/UPLOAD/UPLOAD/20224_IncendieHavré_FD.mp4'),
 525             'http://wowza.imust.org/srv/vod/telemb/new/UPLOAD/UPLOAD/20224_IncendieHavre%CC%81_FD.mp4'
 526         )
 527         self.assertEqual(
 528             escape_url('http://www.ardmediathek.de/tv/Sturm-der-Liebe/Folge-2036-Zu-Mann-und-Frau-erklärt/Das-Erste/Video?documentId=22673108&bcastId=5290'),
 529             'http://www.ardmediathek.de/tv/Sturm-der-Liebe/Folge-2036-Zu-Mann-und-Frau-erkl%C3%A4rt/Das-Erste/Video?documentId=22673108&bcastId=5290'
 530         )
 531         self.assertEqual(
 532             escape_url('http://тест.рф/фрагмент'),
 533             'http://тест.рф/%D1%84%D1%80%D0%B0%D0%B3%D0%BC%D0%B5%D0%BD%D1%82'
 534         )
 535         self.assertEqual(
 536             escape_url('http://тест.рф/абв?абв=абв#абв'),
 537             'http://тест.рф/%D0%B0%D0%B1%D0%B2?%D0%B0%D0%B1%D0%B2=%D0%B0%D0%B1%D0%B2#%D0%B0%D0%B1%D0%B2'
 538         )
 539         self.assertEqual(escape_url('http://vimeo.com/56015672#at=0'), 'http://vimeo.com/56015672#at=0')
 540
 541     def test_js_to_json_realworld(self):
 542         inp = '''{
 543             'clip':{'provider':'pseudo'}
 544         }'''
 545         self.assertEqual(js_to_json(inp), '''{
 546             "clip":{"provider":"pseudo"}
 547         }''')
 548         json.loads(js_to_json(inp))
 549
 550         inp = '''{
 551             'playlist':[{'controls':{'all':null}}]
 552         }'''
 553         self.assertEqual(js_to_json(inp), '''{
 554             "playlist":[{"controls":{"all":null}}]
 555         }''')
 556
 557         inp = '''"The CW\\'s \\'Crazy Ex-Girlfriend\\'"'''
 558         self.assertEqual(js_to_json(inp), '''"The CW's 'Crazy Ex-Girlfriend'"''')
 559
 560         inp = '"SAND Number: SAND 2013-7800P\\nPresenter: Tom Russo\\nHabanero Software Training - Xyce Software\\nXyce, Sandia\\u0027s"'
 561         json_code = js_to_json(inp)
 562         self.assertEqual(json.loads(json_code), json.loads(inp))
 563
 564     def test_js_to_json_edgecases(self):
 565         on = js_to_json("{abc_def:'1\\'\\\\2\\\\\\'3\"4'}")
 566         self.assertEqual(json.loads(on), {"abc_def": "1'\\2\\'3\"4"})
 567
 568         on = js_to_json('{"abc": true}')
 569         self.assertEqual(json.loads(on), {'abc': True})
 570
 571         # Ignore JavaScript code as well
 572         on = js_to_json('''{
 573             "x": 1,
 574             y: "a",
 575             z: some.code
 576         }''')
 577         d = json.loads(on)
 578         self.assertEqual(d['x'], 1)
 579         self.assertEqual(d['y'], 'a')
 580
 581         on = js_to_json('["abc", "def",]')
 582         self.assertEqual(json.loads(on), ['abc', 'def'])
 583
 584         on = js_to_json('{"abc": "def",}')
 585         self.assertEqual(json.loads(on), {'abc': 'def'})
 586
 587     def test_clean_html(self):
 588         self.assertEqual(clean_html('a:\nb'), 'a: b')
 589         self.assertEqual(clean_html('a:\n   "b"'), 'a:    "b"')
 590
 591     def test_intlist_to_bytes(self):
 592         self.assertEqual(
 593             intlist_to_bytes([0, 1, 127, 128, 255]),
 594             b'\x00\x01\x7f\x80\xff')
 595
 596     def test_args_to_str(self):
 597         self.assertEqual(
 598             args_to_str(['foo', 'ba/r', '-baz', '2 be', '']),
 599             'foo ba/r -baz \'2 be\' \'\''
 600         )
 601
 602     def test_parse_filesize(self):
 603         self.assertEqual(parse_filesize(None), None)
 604         self.assertEqual(parse_filesize(''), None)
 605         self.assertEqual(parse_filesize('91 B'), 91)
 606         self.assertEqual(parse_filesize('foobar'), None)
 607         self.assertEqual(parse_filesize('2 MiB'), 2097152)
 608         self.assertEqual(parse_filesize('5 GB'), 5000000000)
 609         self.assertEqual(parse_filesize('1.2Tb'), 1200000000000)
 610         self.assertEqual(parse_filesize('1,24 KB'), 1240)
 611
 612     def test_version_tuple(self):
 613         self.assertEqual(version_tuple('1'), (1,))
 614         self.assertEqual(version_tuple('10.23.344'), (10, 23, 344))
 615         self.assertEqual(version_tuple('10.1-6'), (10, 1, 6))  # avconv style
 616
 617     def test_detect_exe_version(self):
 618         self.assertEqual(detect_exe_version('''ffmpeg version 1.2.1
 619 built on May 27 2013 08:37:26 with gcc 4.7 (Debian 4.7.3-4)
 620 configuration: --prefix=/usr --extra-'''), '1.2.1')
 621         self.assertEqual(detect_exe_version('''ffmpeg version N-63176-g1fb4685
 622 built on May 15 2014 22:09:06 with gcc 4.8.2 (GCC)'''), 'N-63176-g1fb4685')
 623         self.assertEqual(detect_exe_version('''X server found. dri2 connection failed!
 624 Trying to open render node...
 625 Success at /dev/dri/renderD128.
 626 ffmpeg version 2.4.4 Copyright (c) 2000-2014 the FFmpeg ...'''), '2.4.4')
 627
 628     def test_age_restricted(self):
 629         self.assertFalse(age_restricted(None, 10))  # unrestricted content
 630         self.assertFalse(age_restricted(1, None))  # unrestricted policy
 631         self.assertFalse(age_restricted(8, 10))
 632         self.assertTrue(age_restricted(18, 14))
 633         self.assertFalse(age_restricted(18, 18))
 634
 635     def test_is_html(self):
 636         self.assertFalse(is_html(b'\x49\x44\x43<html'))
 637         self.assertTrue(is_html(b'<!DOCTYPE foo>\xaaa'))
 638         self.assertTrue(is_html(  # UTF-8 with BOM
 639             b'\xef\xbb\xbf<!DOCTYPE foo>\xaaa'))
 640         self.assertTrue(is_html(  # UTF-16-LE
 641             b'\xff\xfe<\x00h\x00t\x00m\x00l\x00>\x00\xe4\x00'
 642         ))
 643         self.assertTrue(is_html(  # UTF-16-BE
 644             b'\xfe\xff\x00<\x00h\x00t\x00m\x00l\x00>\x00\xe4'
 645         ))
 646         self.assertTrue(is_html(  # UTF-32-BE
 647             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'))
 648         self.assertTrue(is_html(  # UTF-32-LE
 649             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'))
 650
 651     def test_render_table(self):
 652         self.assertEqual(
 653             render_table(
 654                 ['a', 'bcd'],
 655                 [[123, 4], [9999, 51]]),
 656             'a    bcd\n'
 657             '123  4\n'
 658             '9999 51')
 659
 660     def test_match_str(self):
 661         self.assertRaises(ValueError, match_str, 'xy>foobar', {})
 662         self.assertFalse(match_str('xy', {'x': 1200}))
 663         self.assertTrue(match_str('!xy', {'x': 1200}))
 664         self.assertTrue(match_str('x', {'x': 1200}))
 665         self.assertFalse(match_str('!x', {'x': 1200}))
 666         self.assertTrue(match_str('x', {'x': 0}))
 667         self.assertFalse(match_str('x>0', {'x': 0}))
 668         self.assertFalse(match_str('x>0', {}))
 669         self.assertTrue(match_str('x>?0', {}))
 670         self.assertTrue(match_str('x>1K', {'x': 1200}))
 671         self.assertFalse(match_str('x>2K', {'x': 1200}))
 672         self.assertTrue(match_str('x>=1200 & x < 1300', {'x': 1200}))
 673         self.assertFalse(match_str('x>=1100 & x < 1200', {'x': 1200}))
 674         self.assertFalse(match_str('y=a212', {'y': 'foobar42'}))
 675         self.assertTrue(match_str('y=foobar42', {'y': 'foobar42'}))
 676         self.assertFalse(match_str('y!=foobar42', {'y': 'foobar42'}))
 677         self.assertTrue(match_str('y!=foobar2', {'y': 'foobar42'}))
 678         self.assertFalse(match_str(
 679             'like_count > 100 & dislike_count <? 50 & description',
 680             {'like_count': 90, 'description': 'foo'}))
 681         self.assertTrue(match_str(
 682             'like_count > 100 & dislike_count <? 50 & description',
 683             {'like_count': 190, 'description': 'foo'}))
 684         self.assertFalse(match_str(
 685             'like_count > 100 & dislike_count <? 50 & description',
 686             {'like_count': 190, 'dislike_count': 60, 'description': 'foo'}))
 687         self.assertFalse(match_str(
 688             'like_count > 100 & dislike_count <? 50 & description',
 689             {'like_count': 190, 'dislike_count': 10}))
 690
 691     def test_parse_dfxp_time_expr(self):
 692         self.assertEqual(parse_dfxp_time_expr(None), None)
 693         self.assertEqual(parse_dfxp_time_expr(''), None)
 694         self.assertEqual(parse_dfxp_time_expr('0.1'), 0.1)
 695         self.assertEqual(parse_dfxp_time_expr('0.1s'), 0.1)
 696         self.assertEqual(parse_dfxp_time_expr('00:00:01'), 1.0)
 697         self.assertEqual(parse_dfxp_time_expr('00:00:01.100'), 1.1)
 698         self.assertEqual(parse_dfxp_time_expr('00:00:01:100'), 1.1)
 699
 700     def test_dfxp2srt(self):
 701         dfxp_data = '''<?xml version="1.0" encoding="UTF-8"?>
 702             <tt xmlns="http://www.w3.org/ns/ttml" xml:lang="en" xmlns:tts="http://www.w3.org/ns/ttml#parameter">
 703             <body>
 704                 <div xml:lang="en">
 705                     <p begin="0" end="1">The following line contains Chinese characters and special symbols</p>
 706                     <p begin="1" end="2">第二行<br/>♪♪</p>
 707                     <p begin="2" dur="1"><span>Third<br/>Line</span></p>
 708                     <p begin="3" end="-1">Lines with invalid timestamps are ignored</p>
 709                     <p begin="-1" end="-1">Ignore, two</p>
 710                     <p begin="3" dur="-1">Ignored, three</p>
 711                 </div>
 712             </body>
 713             </tt>'''
 714         srt_data = '''1
 715 00:00:00,000 --> 00:00:01,000
 716 The following line contains Chinese characters and special symbols
 717
 718 2
 719 00:00:01,000 --> 00:00:02,000
 720 第二行
 721 ♪♪
 722
 723 3
 724 00:00:02,000 --> 00:00:03,000
 725 Third
 726 Line
 727
 728 '''
 729         self.assertEqual(dfxp2srt(dfxp_data), srt_data)
 730
 731         dfxp_data_no_default_namespace = '''<?xml version="1.0" encoding="UTF-8"?>
 732             <tt xml:lang="en" xmlns:tts="http://www.w3.org/ns/ttml#parameter">
 733             <body>
 734                 <div xml:lang="en">
 735                     <p begin="0" end="1">The first line</p>
 736                 </div>
 737             </body>
 738             </tt>'''
 739         srt_data = '''1
 740 00:00:00,000 --> 00:00:01,000
 741 The first line
 742
 743 '''
 744         self.assertEqual(dfxp2srt(dfxp_data_no_default_namespace), srt_data)
 745
 746     def test_cli_option(self):
 747         self.assertEqual(cli_option({'proxy': '127.0.0.1:3128'}, '--proxy', 'proxy'), ['--proxy', '127.0.0.1:3128'])
 748         self.assertEqual(cli_option({'proxy': None}, '--proxy', 'proxy'), [])
 749         self.assertEqual(cli_option({}, '--proxy', 'proxy'), [])
 750
 751     def test_cli_valueless_option(self):
 752         self.assertEqual(cli_valueless_option(
 753             {'downloader': 'external'}, '--external-downloader', 'downloader', 'external'), ['--external-downloader'])
 754         self.assertEqual(cli_valueless_option(
 755             {'downloader': 'internal'}, '--external-downloader', 'downloader', 'external'), [])
 756         self.assertEqual(cli_valueless_option(
 757             {'nocheckcertificate': True}, '--no-check-certificate', 'nocheckcertificate'), ['--no-check-certificate'])
 758         self.assertEqual(cli_valueless_option(
 759             {'nocheckcertificate': False}, '--no-check-certificate', 'nocheckcertificate'), [])
 760         self.assertEqual(cli_valueless_option(
 761             {'checkcertificate': True}, '--no-check-certificate', 'checkcertificate', False), [])
 762         self.assertEqual(cli_valueless_option(
 763             {'checkcertificate': False}, '--no-check-certificate', 'checkcertificate', False), ['--no-check-certificate'])
 764
 765     def test_cli_bool_option(self):
 766         self.assertEqual(
 767             cli_bool_option(
 768                 {'nocheckcertificate': True}, '--no-check-certificate', 'nocheckcertificate'),
 769             ['--no-check-certificate', 'true'])
 770         self.assertEqual(
 771             cli_bool_option(
 772                 {'nocheckcertificate': True}, '--no-check-certificate', 'nocheckcertificate', separator='='),
 773             ['--no-check-certificate=true'])
 774         self.assertEqual(
 775             cli_bool_option(
 776                 {'nocheckcertificate': True}, '--check-certificate', 'nocheckcertificate', 'false', 'true'),
 777             ['--check-certificate', 'false'])
 778         self.assertEqual(
 779             cli_bool_option(
 780                 {'nocheckcertificate': True}, '--check-certificate', 'nocheckcertificate', 'false', 'true', '='),
 781             ['--check-certificate=false'])
 782         self.assertEqual(
 783             cli_bool_option(
 784                 {'nocheckcertificate': False}, '--check-certificate', 'nocheckcertificate', 'false', 'true'),
 785             ['--check-certificate', 'true'])
 786         self.assertEqual(
 787             cli_bool_option(
 788                 {'nocheckcertificate': False}, '--check-certificate', 'nocheckcertificate', 'false', 'true', '='),
 789             ['--check-certificate=true'])
 790
 791
 792 if __name__ == '__main__':
 793     unittest.main()