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