Introduce get_elements_by_class and get_elements_by_attribute utility functions
[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     get_element_by_attribute,
38     get_elements_by_class,
39     get_elements_by_attribute,
40     InAdvancePagedList,
41     intlist_to_bytes,
42     is_html,
43     js_to_json,
44     limit_length,
45     mimetype2ext,
46     month_by_name,
47     ohdave_rsa_encrypt,
48     OnDemandPagedList,
49     orderedSet,
50     parse_age_limit,
51     parse_duration,
52     parse_filesize,
53     parse_count,
54     parse_iso8601,
55     read_batch_urls,
56     sanitize_filename,
57     sanitize_path,
58     prepend_extension,
59     replace_extension,
60     remove_start,
61     remove_end,
62     remove_quotes,
63     shell_quote,
64     smuggle_url,
65     str_to_int,
66     strip_jsonp,
67     timeconvert,
68     unescapeHTML,
69     unified_strdate,
70     unified_timestamp,
71     unsmuggle_url,
72     uppercase_escape,
73     lowercase_escape,
74     url_basename,
75     base_url,
76     urljoin,
77     urlencode_postdata,
78     urshift,
79     update_url_query,
80     version_tuple,
81     xpath_with_ns,
82     xpath_element,
83     xpath_text,
84     xpath_attr,
85     render_table,
86     match_str,
87     parse_dfxp_time_expr,
88     dfxp2srt,
89     cli_option,
90     cli_valueless_option,
91     cli_bool_option,
92     parse_codecs,
93 )
94 from youtube_dl.compat import (
95     compat_chr,
96     compat_etree_fromstring,
97     compat_urlparse,
98     compat_parse_qs,
99 )
100
101
102 class TestUtil(unittest.TestCase):
103     def test_timeconvert(self):
104         self.assertTrue(timeconvert('') is None)
105         self.assertTrue(timeconvert('bougrg') is None)
106
107     def test_sanitize_filename(self):
108         self.assertEqual(sanitize_filename('abc'), 'abc')
109         self.assertEqual(sanitize_filename('abc_d-e'), 'abc_d-e')
110
111         self.assertEqual(sanitize_filename('123'), '123')
112
113         self.assertEqual('abc_de', sanitize_filename('abc/de'))
114         self.assertFalse('/' in sanitize_filename('abc/de///'))
115
116         self.assertEqual('abc_de', sanitize_filename('abc/<>\\*|de'))
117         self.assertEqual('xxx', sanitize_filename('xxx/<>\\*|'))
118         self.assertEqual('yes no', sanitize_filename('yes? no'))
119         self.assertEqual('this - that', sanitize_filename('this: that'))
120
121         self.assertEqual(sanitize_filename('AT&T'), 'AT&T')
122         aumlaut = 'ä'
123         self.assertEqual(sanitize_filename(aumlaut), aumlaut)
124         tests = '\u043a\u0438\u0440\u0438\u043b\u043b\u0438\u0446\u0430'
125         self.assertEqual(sanitize_filename(tests), tests)
126
127         self.assertEqual(
128             sanitize_filename('New World record at 0:12:34'),
129             'New World record at 0_12_34')
130
131         self.assertEqual(sanitize_filename('--gasdgf'), '_-gasdgf')
132         self.assertEqual(sanitize_filename('--gasdgf', is_id=True), '--gasdgf')
133         self.assertEqual(sanitize_filename('.gasdgf'), 'gasdgf')
134         self.assertEqual(sanitize_filename('.gasdgf', is_id=True), '.gasdgf')
135
136         forbidden = '"\0\\/'
137         for fc in forbidden:
138             for fbc in forbidden:
139                 self.assertTrue(fbc not in sanitize_filename(fc))
140
141     def test_sanitize_filename_restricted(self):
142         self.assertEqual(sanitize_filename('abc', restricted=True), 'abc')
143         self.assertEqual(sanitize_filename('abc_d-e', restricted=True), 'abc_d-e')
144
145         self.assertEqual(sanitize_filename('123', restricted=True), '123')
146
147         self.assertEqual('abc_de', sanitize_filename('abc/de', restricted=True))
148         self.assertFalse('/' in sanitize_filename('abc/de///', restricted=True))
149
150         self.assertEqual('abc_de', sanitize_filename('abc/<>\\*|de', restricted=True))
151         self.assertEqual('xxx', sanitize_filename('xxx/<>\\*|', restricted=True))
152         self.assertEqual('yes_no', sanitize_filename('yes? no', restricted=True))
153         self.assertEqual('this_-_that', sanitize_filename('this: that', restricted=True))
154
155         tests = 'aäb\u4e2d\u56fd\u7684c'
156         self.assertEqual(sanitize_filename(tests, restricted=True), 'aab_c')
157         self.assertTrue(sanitize_filename('\xf6', restricted=True) != '')  # No empty filename
158
159         forbidden = '"\0\\/&!: \'\t\n()[]{}$;`^,#'
160         for fc in forbidden:
161             for fbc in forbidden:
162                 self.assertTrue(fbc not in sanitize_filename(fc, restricted=True))
163
164         # Handle a common case more neatly
165         self.assertEqual(sanitize_filename('\u5927\u58f0\u5e26 - Song', restricted=True), 'Song')
166         self.assertEqual(sanitize_filename('\u603b\u7edf: Speech', restricted=True), 'Speech')
167         # .. but make sure the file name is never empty
168         self.assertTrue(sanitize_filename('-', restricted=True) != '')
169         self.assertTrue(sanitize_filename(':', restricted=True) != '')
170
171         self.assertEqual(sanitize_filename(
172             'ÂÃÄÀÁÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖŐØŒÙÚÛÜŰÝÞßàáâãäåæçèéêëìíîïðñòóôõöőøœùúûüűýþÿ', restricted=True),
173             'AAAAAAAECEEEEIIIIDNOOOOOOOOEUUUUUYPssaaaaaaaeceeeeiiiionooooooooeuuuuuypy')
174
175     def test_sanitize_ids(self):
176         self.assertEqual(sanitize_filename('_n_cd26wFpw', is_id=True), '_n_cd26wFpw')
177         self.assertEqual(sanitize_filename('_BD_eEpuzXw', is_id=True), '_BD_eEpuzXw')
178         self.assertEqual(sanitize_filename('N0Y__7-UOdI', is_id=True), 'N0Y__7-UOdI')
179
180     def test_sanitize_path(self):
181         if sys.platform != 'win32':
182             return
183
184         self.assertEqual(sanitize_path('abc'), 'abc')
185         self.assertEqual(sanitize_path('abc/def'), 'abc\\def')
186         self.assertEqual(sanitize_path('abc\\def'), 'abc\\def')
187         self.assertEqual(sanitize_path('abc|def'), 'abc#def')
188         self.assertEqual(sanitize_path('<>:"|?*'), '#######')
189         self.assertEqual(sanitize_path('C:/abc/def'), 'C:\\abc\\def')
190         self.assertEqual(sanitize_path('C?:/abc/def'), 'C##\\abc\\def')
191
192         self.assertEqual(sanitize_path('\\\\?\\UNC\\ComputerName\\abc'), '\\\\?\\UNC\\ComputerName\\abc')
193         self.assertEqual(sanitize_path('\\\\?\\UNC/ComputerName/abc'), '\\\\?\\UNC\\ComputerName\\abc')
194
195         self.assertEqual(sanitize_path('\\\\?\\C:\\abc'), '\\\\?\\C:\\abc')
196         self.assertEqual(sanitize_path('\\\\?\\C:/abc'), '\\\\?\\C:\\abc')
197         self.assertEqual(sanitize_path('\\\\?\\C:\\ab?c\\de:f'), '\\\\?\\C:\\ab#c\\de#f')
198         self.assertEqual(sanitize_path('\\\\?\\C:\\abc'), '\\\\?\\C:\\abc')
199
200         self.assertEqual(
201             sanitize_path('youtube/%(uploader)s/%(autonumber)s-%(title)s-%(upload_date)s.%(ext)s'),
202             'youtube\\%(uploader)s\\%(autonumber)s-%(title)s-%(upload_date)s.%(ext)s')
203
204         self.assertEqual(
205             sanitize_path('youtube/TheWreckingYard ./00001-Not bad, Especially for Free! (1987 Yamaha 700)-20141116.mp4.part'),
206             'youtube\\TheWreckingYard #\\00001-Not bad, Especially for Free! (1987 Yamaha 700)-20141116.mp4.part')
207         self.assertEqual(sanitize_path('abc/def...'), 'abc\\def..#')
208         self.assertEqual(sanitize_path('abc.../def'), 'abc..#\\def')
209         self.assertEqual(sanitize_path('abc.../def...'), 'abc..#\\def..#')
210
211         self.assertEqual(sanitize_path('../abc'), '..\\abc')
212         self.assertEqual(sanitize_path('../../abc'), '..\\..\\abc')
213         self.assertEqual(sanitize_path('./abc'), 'abc')
214         self.assertEqual(sanitize_path('./../abc'), '..\\abc')
215
216     def test_prepend_extension(self):
217         self.assertEqual(prepend_extension('abc.ext', 'temp'), 'abc.temp.ext')
218         self.assertEqual(prepend_extension('abc.ext', 'temp', 'ext'), 'abc.temp.ext')
219         self.assertEqual(prepend_extension('abc.unexpected_ext', 'temp', 'ext'), 'abc.unexpected_ext.temp')
220         self.assertEqual(prepend_extension('abc', 'temp'), 'abc.temp')
221         self.assertEqual(prepend_extension('.abc', 'temp'), '.abc.temp')
222         self.assertEqual(prepend_extension('.abc.ext', 'temp'), '.abc.temp.ext')
223
224     def test_replace_extension(self):
225         self.assertEqual(replace_extension('abc.ext', 'temp'), 'abc.temp')
226         self.assertEqual(replace_extension('abc.ext', 'temp', 'ext'), 'abc.temp')
227         self.assertEqual(replace_extension('abc.unexpected_ext', 'temp', 'ext'), 'abc.unexpected_ext.temp')
228         self.assertEqual(replace_extension('abc', 'temp'), 'abc.temp')
229         self.assertEqual(replace_extension('.abc', 'temp'), '.abc.temp')
230         self.assertEqual(replace_extension('.abc.ext', 'temp'), '.abc.temp')
231
232     def test_remove_start(self):
233         self.assertEqual(remove_start(None, 'A - '), None)
234         self.assertEqual(remove_start('A - B', 'A - '), 'B')
235         self.assertEqual(remove_start('B - A', 'A - '), 'B - A')
236
237     def test_remove_end(self):
238         self.assertEqual(remove_end(None, ' - B'), None)
239         self.assertEqual(remove_end('A - B', ' - B'), 'A')
240         self.assertEqual(remove_end('B - A', ' - B'), 'B - A')
241
242     def test_remove_quotes(self):
243         self.assertEqual(remove_quotes(None), None)
244         self.assertEqual(remove_quotes('"'), '"')
245         self.assertEqual(remove_quotes("'"), "'")
246         self.assertEqual(remove_quotes(';'), ';')
247         self.assertEqual(remove_quotes('";'), '";')
248         self.assertEqual(remove_quotes('""'), '')
249         self.assertEqual(remove_quotes('";"'), ';')
250
251     def test_ordered_set(self):
252         self.assertEqual(orderedSet([1, 1, 2, 3, 4, 4, 5, 6, 7, 3, 5]), [1, 2, 3, 4, 5, 6, 7])
253         self.assertEqual(orderedSet([]), [])
254         self.assertEqual(orderedSet([1]), [1])
255         # keep the list ordered
256         self.assertEqual(orderedSet([135, 1, 1, 1]), [135, 1])
257
258     def test_unescape_html(self):
259         self.assertEqual(unescapeHTML('%20;'), '%20;')
260         self.assertEqual(unescapeHTML('&#x2F;'), '/')
261         self.assertEqual(unescapeHTML('&#47;'), '/')
262         self.assertEqual(unescapeHTML('&eacute;'), 'é')
263         self.assertEqual(unescapeHTML('&#2013266066;'), '&#2013266066;')
264         # HTML5 entities
265         self.assertEqual(unescapeHTML('&period;&apos;'), '.\'')
266
267     def test_date_from_str(self):
268         self.assertEqual(date_from_str('yesterday'), date_from_str('now-1day'))
269         self.assertEqual(date_from_str('now+7day'), date_from_str('now+1week'))
270         self.assertEqual(date_from_str('now+14day'), date_from_str('now+2week'))
271         self.assertEqual(date_from_str('now+365day'), date_from_str('now+1year'))
272         self.assertEqual(date_from_str('now+30day'), date_from_str('now+1month'))
273
274     def test_daterange(self):
275         _20century = DateRange("19000101", "20000101")
276         self.assertFalse("17890714" in _20century)
277         _ac = DateRange("00010101")
278         self.assertTrue("19690721" in _ac)
279         _firstmilenium = DateRange(end="10000101")
280         self.assertTrue("07110427" in _firstmilenium)
281
282     def test_unified_dates(self):
283         self.assertEqual(unified_strdate('December 21, 2010'), '20101221')
284         self.assertEqual(unified_strdate('8/7/2009'), '20090708')
285         self.assertEqual(unified_strdate('Dec 14, 2012'), '20121214')
286         self.assertEqual(unified_strdate('2012/10/11 01:56:38 +0000'), '20121011')
287         self.assertEqual(unified_strdate('1968 12 10'), '19681210')
288         self.assertEqual(unified_strdate('1968-12-10'), '19681210')
289         self.assertEqual(unified_strdate('28/01/2014 21:00:00 +0100'), '20140128')
290         self.assertEqual(
291             unified_strdate('11/26/2014 11:30:00 AM PST', day_first=False),
292             '20141126')
293         self.assertEqual(
294             unified_strdate('2/2/2015 6:47:40 PM', day_first=False),
295             '20150202')
296         self.assertEqual(unified_strdate('Feb 14th 2016 5:45PM'), '20160214')
297         self.assertEqual(unified_strdate('25-09-2014'), '20140925')
298         self.assertEqual(unified_strdate('27.02.2016 17:30'), '20160227')
299         self.assertEqual(unified_strdate('UNKNOWN DATE FORMAT'), None)
300         self.assertEqual(unified_strdate('Feb 7, 2016 at 6:35 pm'), '20160207')
301         self.assertEqual(unified_strdate('July 15th, 2013'), '20130715')
302         self.assertEqual(unified_strdate('September 1st, 2013'), '20130901')
303         self.assertEqual(unified_strdate('Sep 2nd, 2013'), '20130902')
304
305     def test_unified_timestamps(self):
306         self.assertEqual(unified_timestamp('December 21, 2010'), 1292889600)
307         self.assertEqual(unified_timestamp('8/7/2009'), 1247011200)
308         self.assertEqual(unified_timestamp('Dec 14, 2012'), 1355443200)
309         self.assertEqual(unified_timestamp('2012/10/11 01:56:38 +0000'), 1349920598)
310         self.assertEqual(unified_timestamp('1968 12 10'), -33436800)
311         self.assertEqual(unified_timestamp('1968-12-10'), -33436800)
312         self.assertEqual(unified_timestamp('28/01/2014 21:00:00 +0100'), 1390939200)
313         self.assertEqual(
314             unified_timestamp('11/26/2014 11:30:00 AM PST', day_first=False),
315             1417001400)
316         self.assertEqual(
317             unified_timestamp('2/2/2015 6:47:40 PM', day_first=False),
318             1422902860)
319         self.assertEqual(unified_timestamp('Feb 14th 2016 5:45PM'), 1455471900)
320         self.assertEqual(unified_timestamp('25-09-2014'), 1411603200)
321         self.assertEqual(unified_timestamp('27.02.2016 17:30'), 1456594200)
322         self.assertEqual(unified_timestamp('UNKNOWN DATE FORMAT'), None)
323         self.assertEqual(unified_timestamp('May 16, 2016 11:15 PM'), 1463440500)
324         self.assertEqual(unified_timestamp('Feb 7, 2016 at 6:35 pm'), 1454870100)
325
326     def test_determine_ext(self):
327         self.assertEqual(determine_ext('http://example.com/foo/bar.mp4/?download'), 'mp4')
328         self.assertEqual(determine_ext('http://example.com/foo/bar/?download', None), None)
329         self.assertEqual(determine_ext('http://example.com/foo/bar.nonext/?download', None), None)
330         self.assertEqual(determine_ext('http://example.com/foo/bar/mp4?download', None), None)
331         self.assertEqual(determine_ext('http://example.com/foo/bar.m3u8//?download'), 'm3u8')
332
333     def test_find_xpath_attr(self):
334         testxml = '''<root>
335             <node/>
336             <node x="a"/>
337             <node x="a" y="c" />
338             <node x="b" y="d" />
339             <node x="" />
340         </root>'''
341         doc = compat_etree_fromstring(testxml)
342
343         self.assertEqual(find_xpath_attr(doc, './/fourohfour', 'n'), None)
344         self.assertEqual(find_xpath_attr(doc, './/fourohfour', 'n', 'v'), None)
345         self.assertEqual(find_xpath_attr(doc, './/node', 'n'), None)
346         self.assertEqual(find_xpath_attr(doc, './/node', 'n', 'v'), None)
347         self.assertEqual(find_xpath_attr(doc, './/node', 'x'), doc[1])
348         self.assertEqual(find_xpath_attr(doc, './/node', 'x', 'a'), doc[1])
349         self.assertEqual(find_xpath_attr(doc, './/node', 'x', 'b'), doc[3])
350         self.assertEqual(find_xpath_attr(doc, './/node', 'y'), doc[2])
351         self.assertEqual(find_xpath_attr(doc, './/node', 'y', 'c'), doc[2])
352         self.assertEqual(find_xpath_attr(doc, './/node', 'y', 'd'), doc[3])
353         self.assertEqual(find_xpath_attr(doc, './/node', 'x', ''), doc[4])
354
355     def test_xpath_with_ns(self):
356         testxml = '''<root xmlns:media="http://example.com/">
357             <media:song>
358                 <media:author>The Author</media:author>
359                 <url>http://server.com/download.mp3</url>
360             </media:song>
361         </root>'''
362         doc = compat_etree_fromstring(testxml)
363         find = lambda p: doc.find(xpath_with_ns(p, {'media': 'http://example.com/'}))
364         self.assertTrue(find('media:song') is not None)
365         self.assertEqual(find('media:song/media:author').text, 'The Author')
366         self.assertEqual(find('media:song/url').text, 'http://server.com/download.mp3')
367
368     def test_xpath_element(self):
369         doc = xml.etree.ElementTree.Element('root')
370         div = xml.etree.ElementTree.SubElement(doc, 'div')
371         p = xml.etree.ElementTree.SubElement(div, 'p')
372         p.text = 'Foo'
373         self.assertEqual(xpath_element(doc, 'div/p'), p)
374         self.assertEqual(xpath_element(doc, ['div/p']), p)
375         self.assertEqual(xpath_element(doc, ['div/bar', 'div/p']), p)
376         self.assertEqual(xpath_element(doc, 'div/bar', default='default'), 'default')
377         self.assertEqual(xpath_element(doc, ['div/bar'], default='default'), 'default')
378         self.assertTrue(xpath_element(doc, 'div/bar') is None)
379         self.assertTrue(xpath_element(doc, ['div/bar']) is None)
380         self.assertTrue(xpath_element(doc, ['div/bar'], 'div/baz') is None)
381         self.assertRaises(ExtractorError, xpath_element, doc, 'div/bar', fatal=True)
382         self.assertRaises(ExtractorError, xpath_element, doc, ['div/bar'], fatal=True)
383         self.assertRaises(ExtractorError, xpath_element, doc, ['div/bar', 'div/baz'], fatal=True)
384
385     def test_xpath_text(self):
386         testxml = '''<root>
387             <div>
388                 <p>Foo</p>
389             </div>
390         </root>'''
391         doc = compat_etree_fromstring(testxml)
392         self.assertEqual(xpath_text(doc, 'div/p'), 'Foo')
393         self.assertEqual(xpath_text(doc, 'div/bar', default='default'), 'default')
394         self.assertTrue(xpath_text(doc, 'div/bar') is None)
395         self.assertRaises(ExtractorError, xpath_text, doc, 'div/bar', fatal=True)
396
397     def test_xpath_attr(self):
398         testxml = '''<root>
399             <div>
400                 <p x="a">Foo</p>
401             </div>
402         </root>'''
403         doc = compat_etree_fromstring(testxml)
404         self.assertEqual(xpath_attr(doc, 'div/p', 'x'), 'a')
405         self.assertEqual(xpath_attr(doc, 'div/bar', 'x'), None)
406         self.assertEqual(xpath_attr(doc, 'div/p', 'y'), None)
407         self.assertEqual(xpath_attr(doc, 'div/bar', 'x', default='default'), 'default')
408         self.assertEqual(xpath_attr(doc, 'div/p', 'y', default='default'), 'default')
409         self.assertRaises(ExtractorError, xpath_attr, doc, 'div/bar', 'x', fatal=True)
410         self.assertRaises(ExtractorError, xpath_attr, doc, 'div/p', 'y', fatal=True)
411
412     def test_smuggle_url(self):
413         data = {"ö": "ö", "abc": [3]}
414         url = 'https://foo.bar/baz?x=y#a'
415         smug_url = smuggle_url(url, data)
416         unsmug_url, unsmug_data = unsmuggle_url(smug_url)
417         self.assertEqual(url, unsmug_url)
418         self.assertEqual(data, unsmug_data)
419
420         res_url, res_data = unsmuggle_url(url)
421         self.assertEqual(res_url, url)
422         self.assertEqual(res_data, None)
423
424         smug_url = smuggle_url(url, {'a': 'b'})
425         smug_smug_url = smuggle_url(smug_url, {'c': 'd'})
426         res_url, res_data = unsmuggle_url(smug_smug_url)
427         self.assertEqual(res_url, url)
428         self.assertEqual(res_data, {'a': 'b', 'c': 'd'})
429
430     def test_shell_quote(self):
431         args = ['ffmpeg', '-i', encodeFilename('ñ€ß\'.mp4')]
432         self.assertEqual(shell_quote(args), """ffmpeg -i 'ñ€ß'"'"'.mp4'""")
433
434     def test_str_to_int(self):
435         self.assertEqual(str_to_int('123,456'), 123456)
436         self.assertEqual(str_to_int('123.456'), 123456)
437
438     def test_url_basename(self):
439         self.assertEqual(url_basename('http://foo.de/'), '')
440         self.assertEqual(url_basename('http://foo.de/bar/baz'), 'baz')
441         self.assertEqual(url_basename('http://foo.de/bar/baz?x=y'), 'baz')
442         self.assertEqual(url_basename('http://foo.de/bar/baz#x=y'), 'baz')
443         self.assertEqual(url_basename('http://foo.de/bar/baz/'), 'baz')
444         self.assertEqual(
445             url_basename('http://media.w3.org/2010/05/sintel/trailer.mp4'),
446             'trailer.mp4')
447
448     def test_base_url(self):
449         self.assertEqual(base_url('http://foo.de/'), 'http://foo.de/')
450         self.assertEqual(base_url('http://foo.de/bar'), 'http://foo.de/')
451         self.assertEqual(base_url('http://foo.de/bar/'), 'http://foo.de/bar/')
452         self.assertEqual(base_url('http://foo.de/bar/baz'), 'http://foo.de/bar/')
453         self.assertEqual(base_url('http://foo.de/bar/baz?x=z/x/c'), 'http://foo.de/bar/')
454
455     def test_urljoin(self):
456         self.assertEqual(urljoin('http://foo.de/', '/a/b/c.txt'), 'http://foo.de/a/b/c.txt')
457         self.assertEqual(urljoin('//foo.de/', '/a/b/c.txt'), '//foo.de/a/b/c.txt')
458         self.assertEqual(urljoin('http://foo.de/', 'a/b/c.txt'), 'http://foo.de/a/b/c.txt')
459         self.assertEqual(urljoin('http://foo.de', '/a/b/c.txt'), 'http://foo.de/a/b/c.txt')
460         self.assertEqual(urljoin('http://foo.de', 'a/b/c.txt'), 'http://foo.de/a/b/c.txt')
461         self.assertEqual(urljoin('http://foo.de/', 'http://foo.de/a/b/c.txt'), 'http://foo.de/a/b/c.txt')
462         self.assertEqual(urljoin('http://foo.de/', '//foo.de/a/b/c.txt'), '//foo.de/a/b/c.txt')
463         self.assertEqual(urljoin(None, 'http://foo.de/a/b/c.txt'), 'http://foo.de/a/b/c.txt')
464         self.assertEqual(urljoin(None, '//foo.de/a/b/c.txt'), '//foo.de/a/b/c.txt')
465         self.assertEqual(urljoin('', 'http://foo.de/a/b/c.txt'), 'http://foo.de/a/b/c.txt')
466         self.assertEqual(urljoin(['foobar'], 'http://foo.de/a/b/c.txt'), 'http://foo.de/a/b/c.txt')
467         self.assertEqual(urljoin('http://foo.de/', None), None)
468         self.assertEqual(urljoin('http://foo.de/', ''), None)
469         self.assertEqual(urljoin('http://foo.de/', ['foobar']), None)
470         self.assertEqual(urljoin('http://foo.de/a/b/c.txt', '.././../d.txt'), 'http://foo.de/d.txt')
471
472     def test_parse_age_limit(self):
473         self.assertEqual(parse_age_limit(None), None)
474         self.assertEqual(parse_age_limit(False), None)
475         self.assertEqual(parse_age_limit('invalid'), None)
476         self.assertEqual(parse_age_limit(0), 0)
477         self.assertEqual(parse_age_limit(18), 18)
478         self.assertEqual(parse_age_limit(21), 21)
479         self.assertEqual(parse_age_limit(22), None)
480         self.assertEqual(parse_age_limit('18'), 18)
481         self.assertEqual(parse_age_limit('18+'), 18)
482         self.assertEqual(parse_age_limit('PG-13'), 13)
483         self.assertEqual(parse_age_limit('TV-14'), 14)
484         self.assertEqual(parse_age_limit('TV-MA'), 17)
485
486     def test_parse_duration(self):
487         self.assertEqual(parse_duration(None), None)
488         self.assertEqual(parse_duration(False), None)
489         self.assertEqual(parse_duration('invalid'), None)
490         self.assertEqual(parse_duration('1'), 1)
491         self.assertEqual(parse_duration('1337:12'), 80232)
492         self.assertEqual(parse_duration('9:12:43'), 33163)
493         self.assertEqual(parse_duration('12:00'), 720)
494         self.assertEqual(parse_duration('00:01:01'), 61)
495         self.assertEqual(parse_duration('x:y'), None)
496         self.assertEqual(parse_duration('3h11m53s'), 11513)
497         self.assertEqual(parse_duration('3h 11m 53s'), 11513)
498         self.assertEqual(parse_duration('3 hours 11 minutes 53 seconds'), 11513)
499         self.assertEqual(parse_duration('3 hours 11 mins 53 secs'), 11513)
500         self.assertEqual(parse_duration('62m45s'), 3765)
501         self.assertEqual(parse_duration('6m59s'), 419)
502         self.assertEqual(parse_duration('49s'), 49)
503         self.assertEqual(parse_duration('0h0m0s'), 0)
504         self.assertEqual(parse_duration('0m0s'), 0)
505         self.assertEqual(parse_duration('0s'), 0)
506         self.assertEqual(parse_duration('01:02:03.05'), 3723.05)
507         self.assertEqual(parse_duration('T30M38S'), 1838)
508         self.assertEqual(parse_duration('5 s'), 5)
509         self.assertEqual(parse_duration('3 min'), 180)
510         self.assertEqual(parse_duration('2.5 hours'), 9000)
511         self.assertEqual(parse_duration('02:03:04'), 7384)
512         self.assertEqual(parse_duration('01:02:03:04'), 93784)
513         self.assertEqual(parse_duration('1 hour 3 minutes'), 3780)
514         self.assertEqual(parse_duration('87 Min.'), 5220)
515         self.assertEqual(parse_duration('PT1H0.040S'), 3600.04)
516         self.assertEqual(parse_duration('PT00H03M30SZ'), 210)
517
518     def test_fix_xml_ampersands(self):
519         self.assertEqual(
520             fix_xml_ampersands('"&x=y&z=a'), '"&amp;x=y&amp;z=a')
521         self.assertEqual(
522             fix_xml_ampersands('"&amp;x=y&wrong;&z=a'),
523             '"&amp;x=y&amp;wrong;&amp;z=a')
524         self.assertEqual(
525             fix_xml_ampersands('&amp;&apos;&gt;&lt;&quot;'),
526             '&amp;&apos;&gt;&lt;&quot;')
527         self.assertEqual(
528             fix_xml_ampersands('&#1234;&#x1abC;'), '&#1234;&#x1abC;')
529         self.assertEqual(fix_xml_ampersands('&#&#'), '&amp;#&amp;#')
530
531     def test_paged_list(self):
532         def testPL(size, pagesize, sliceargs, expected):
533             def get_page(pagenum):
534                 firstid = pagenum * pagesize
535                 upto = min(size, pagenum * pagesize + pagesize)
536                 for i in range(firstid, upto):
537                     yield i
538
539             pl = OnDemandPagedList(get_page, pagesize)
540             got = pl.getslice(*sliceargs)
541             self.assertEqual(got, expected)
542
543             iapl = InAdvancePagedList(get_page, size // pagesize + 1, pagesize)
544             got = iapl.getslice(*sliceargs)
545             self.assertEqual(got, expected)
546
547         testPL(5, 2, (), [0, 1, 2, 3, 4])
548         testPL(5, 2, (1,), [1, 2, 3, 4])
549         testPL(5, 2, (2,), [2, 3, 4])
550         testPL(5, 2, (4,), [4])
551         testPL(5, 2, (0, 3), [0, 1, 2])
552         testPL(5, 2, (1, 4), [1, 2, 3])
553         testPL(5, 2, (2, 99), [2, 3, 4])
554         testPL(5, 2, (20, 99), [])
555
556     def test_read_batch_urls(self):
557         f = io.StringIO('''\xef\xbb\xbf foo
558             bar\r
559             baz
560             # More after this line\r
561             ; or after this
562             bam''')
563         self.assertEqual(read_batch_urls(f), ['foo', 'bar', 'baz', 'bam'])
564
565     def test_urlencode_postdata(self):
566         data = urlencode_postdata({'username': 'foo@bar.com', 'password': '1234'})
567         self.assertTrue(isinstance(data, bytes))
568
569     def test_update_url_query(self):
570         def query_dict(url):
571             return compat_parse_qs(compat_urlparse.urlparse(url).query)
572         self.assertEqual(query_dict(update_url_query(
573             'http://example.com/path', {'quality': ['HD'], 'format': ['mp4']})),
574             query_dict('http://example.com/path?quality=HD&format=mp4'))
575         self.assertEqual(query_dict(update_url_query(
576             'http://example.com/path', {'system': ['LINUX', 'WINDOWS']})),
577             query_dict('http://example.com/path?system=LINUX&system=WINDOWS'))
578         self.assertEqual(query_dict(update_url_query(
579             'http://example.com/path', {'fields': 'id,formats,subtitles'})),
580             query_dict('http://example.com/path?fields=id,formats,subtitles'))
581         self.assertEqual(query_dict(update_url_query(
582             'http://example.com/path', {'fields': ('id,formats,subtitles', 'thumbnails')})),
583             query_dict('http://example.com/path?fields=id,formats,subtitles&fields=thumbnails'))
584         self.assertEqual(query_dict(update_url_query(
585             'http://example.com/path?manifest=f4m', {'manifest': []})),
586             query_dict('http://example.com/path'))
587         self.assertEqual(query_dict(update_url_query(
588             'http://example.com/path?system=LINUX&system=WINDOWS', {'system': 'LINUX'})),
589             query_dict('http://example.com/path?system=LINUX'))
590         self.assertEqual(query_dict(update_url_query(
591             'http://example.com/path', {'fields': b'id,formats,subtitles'})),
592             query_dict('http://example.com/path?fields=id,formats,subtitles'))
593         self.assertEqual(query_dict(update_url_query(
594             'http://example.com/path', {'width': 1080, 'height': 720})),
595             query_dict('http://example.com/path?width=1080&height=720'))
596         self.assertEqual(query_dict(update_url_query(
597             'http://example.com/path', {'bitrate': 5020.43})),
598             query_dict('http://example.com/path?bitrate=5020.43'))
599         self.assertEqual(query_dict(update_url_query(
600             'http://example.com/path', {'test': '第二行тест'})),
601             query_dict('http://example.com/path?test=%E7%AC%AC%E4%BA%8C%E8%A1%8C%D1%82%D0%B5%D1%81%D1%82'))
602
603     def test_dict_get(self):
604         FALSE_VALUES = {
605             'none': None,
606             'false': False,
607             'zero': 0,
608             'empty_string': '',
609             'empty_list': [],
610         }
611         d = FALSE_VALUES.copy()
612         d['a'] = 42
613         self.assertEqual(dict_get(d, 'a'), 42)
614         self.assertEqual(dict_get(d, 'b'), None)
615         self.assertEqual(dict_get(d, 'b', 42), 42)
616         self.assertEqual(dict_get(d, ('a', )), 42)
617         self.assertEqual(dict_get(d, ('b', 'a', )), 42)
618         self.assertEqual(dict_get(d, ('b', 'c', 'a', 'd', )), 42)
619         self.assertEqual(dict_get(d, ('b', 'c', )), None)
620         self.assertEqual(dict_get(d, ('b', 'c', ), 42), 42)
621         for key, false_value in FALSE_VALUES.items():
622             self.assertEqual(dict_get(d, ('b', 'c', key, )), None)
623             self.assertEqual(dict_get(d, ('b', 'c', key, ), skip_false_values=False), false_value)
624
625     def test_encode_compat_str(self):
626         self.assertEqual(encode_compat_str(b'\xd1\x82\xd0\xb5\xd1\x81\xd1\x82', 'utf-8'), 'тест')
627         self.assertEqual(encode_compat_str('тест', 'utf-8'), 'тест')
628
629     def test_parse_iso8601(self):
630         self.assertEqual(parse_iso8601('2014-03-23T23:04:26+0100'), 1395612266)
631         self.assertEqual(parse_iso8601('2014-03-23T22:04:26+0000'), 1395612266)
632         self.assertEqual(parse_iso8601('2014-03-23T22:04:26Z'), 1395612266)
633         self.assertEqual(parse_iso8601('2014-03-23T22:04:26.1234Z'), 1395612266)
634         self.assertEqual(parse_iso8601('2015-09-29T08:27:31.727'), 1443515251)
635         self.assertEqual(parse_iso8601('2015-09-29T08-27-31.727'), None)
636
637     def test_strip_jsonp(self):
638         stripped = strip_jsonp('cb ([ {"id":"532cb",\n\n\n"x":\n3}\n]\n);')
639         d = json.loads(stripped)
640         self.assertEqual(d, [{"id": "532cb", "x": 3}])
641
642         stripped = strip_jsonp('parseMetadata({"STATUS":"OK"})\n\n\n//epc')
643         d = json.loads(stripped)
644         self.assertEqual(d, {'STATUS': 'OK'})
645
646         stripped = strip_jsonp('ps.embedHandler({"status": "success"});')
647         d = json.loads(stripped)
648         self.assertEqual(d, {'status': 'success'})
649
650     def test_uppercase_escape(self):
651         self.assertEqual(uppercase_escape('aä'), 'aä')
652         self.assertEqual(uppercase_escape('\\U0001d550'), '𝕐')
653
654     def test_lowercase_escape(self):
655         self.assertEqual(lowercase_escape('aä'), 'aä')
656         self.assertEqual(lowercase_escape('\\u0026'), '&')
657
658     def test_limit_length(self):
659         self.assertEqual(limit_length(None, 12), None)
660         self.assertEqual(limit_length('foo', 12), 'foo')
661         self.assertTrue(
662             limit_length('foo bar baz asd', 12).startswith('foo bar'))
663         self.assertTrue('...' in limit_length('foo bar baz asd', 12))
664
665     def test_mimetype2ext(self):
666         self.assertEqual(mimetype2ext(None), None)
667         self.assertEqual(mimetype2ext('video/x-flv'), 'flv')
668         self.assertEqual(mimetype2ext('application/x-mpegURL'), 'm3u8')
669         self.assertEqual(mimetype2ext('text/vtt'), 'vtt')
670         self.assertEqual(mimetype2ext('text/vtt;charset=utf-8'), 'vtt')
671         self.assertEqual(mimetype2ext('text/html; charset=utf-8'), 'html')
672
673     def test_month_by_name(self):
674         self.assertEqual(month_by_name(None), None)
675         self.assertEqual(month_by_name('December', 'en'), 12)
676         self.assertEqual(month_by_name('décembre', 'fr'), 12)
677         self.assertEqual(month_by_name('December'), 12)
678         self.assertEqual(month_by_name('décembre'), None)
679         self.assertEqual(month_by_name('Unknown', 'unknown'), None)
680
681     def test_parse_codecs(self):
682         self.assertEqual(parse_codecs(''), {})
683         self.assertEqual(parse_codecs('avc1.77.30, mp4a.40.2'), {
684             'vcodec': 'avc1.77.30',
685             'acodec': 'mp4a.40.2',
686         })
687         self.assertEqual(parse_codecs('mp4a.40.2'), {
688             'vcodec': 'none',
689             'acodec': 'mp4a.40.2',
690         })
691         self.assertEqual(parse_codecs('mp4a.40.5,avc1.42001e'), {
692             'vcodec': 'avc1.42001e',
693             'acodec': 'mp4a.40.5',
694         })
695         self.assertEqual(parse_codecs('avc3.640028'), {
696             'vcodec': 'avc3.640028',
697             'acodec': 'none',
698         })
699         self.assertEqual(parse_codecs(', h264,,newcodec,aac'), {
700             'vcodec': 'h264',
701             'acodec': 'aac',
702         })
703
704     def test_escape_rfc3986(self):
705         reserved = "!*'();:@&=+$,/?#[]"
706         unreserved = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.~'
707         self.assertEqual(escape_rfc3986(reserved), reserved)
708         self.assertEqual(escape_rfc3986(unreserved), unreserved)
709         self.assertEqual(escape_rfc3986('тест'), '%D1%82%D0%B5%D1%81%D1%82')
710         self.assertEqual(escape_rfc3986('%D1%82%D0%B5%D1%81%D1%82'), '%D1%82%D0%B5%D1%81%D1%82')
711         self.assertEqual(escape_rfc3986('foo bar'), 'foo%20bar')
712         self.assertEqual(escape_rfc3986('foo%20bar'), 'foo%20bar')
713
714     def test_escape_url(self):
715         self.assertEqual(
716             escape_url('http://wowza.imust.org/srv/vod/telemb/new/UPLOAD/UPLOAD/20224_IncendieHavré_FD.mp4'),
717             'http://wowza.imust.org/srv/vod/telemb/new/UPLOAD/UPLOAD/20224_IncendieHavre%CC%81_FD.mp4'
718         )
719         self.assertEqual(
720             escape_url('http://www.ardmediathek.de/tv/Sturm-der-Liebe/Folge-2036-Zu-Mann-und-Frau-erklärt/Das-Erste/Video?documentId=22673108&bcastId=5290'),
721             'http://www.ardmediathek.de/tv/Sturm-der-Liebe/Folge-2036-Zu-Mann-und-Frau-erkl%C3%A4rt/Das-Erste/Video?documentId=22673108&bcastId=5290'
722         )
723         self.assertEqual(
724             escape_url('http://тест.рф/фрагмент'),
725             'http://xn--e1aybc.xn--p1ai/%D1%84%D1%80%D0%B0%D0%B3%D0%BC%D0%B5%D0%BD%D1%82'
726         )
727         self.assertEqual(
728             escape_url('http://тест.рф/абв?абв=абв#абв'),
729             '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'
730         )
731         self.assertEqual(escape_url('http://vimeo.com/56015672#at=0'), 'http://vimeo.com/56015672#at=0')
732
733     def test_js_to_json_realworld(self):
734         inp = '''{
735             'clip':{'provider':'pseudo'}
736         }'''
737         self.assertEqual(js_to_json(inp), '''{
738             "clip":{"provider":"pseudo"}
739         }''')
740         json.loads(js_to_json(inp))
741
742         inp = '''{
743             'playlist':[{'controls':{'all':null}}]
744         }'''
745         self.assertEqual(js_to_json(inp), '''{
746             "playlist":[{"controls":{"all":null}}]
747         }''')
748
749         inp = '''"The CW\\'s \\'Crazy Ex-Girlfriend\\'"'''
750         self.assertEqual(js_to_json(inp), '''"The CW's 'Crazy Ex-Girlfriend'"''')
751
752         inp = '"SAND Number: SAND 2013-7800P\\nPresenter: Tom Russo\\nHabanero Software Training - Xyce Software\\nXyce, Sandia\\u0027s"'
753         json_code = js_to_json(inp)
754         self.assertEqual(json.loads(json_code), json.loads(inp))
755
756         inp = '''{
757             0:{src:'skipped', type: 'application/dash+xml'},
758             1:{src:'skipped', type: 'application/vnd.apple.mpegURL'},
759         }'''
760         self.assertEqual(js_to_json(inp), '''{
761             "0":{"src":"skipped", "type": "application/dash+xml"},
762             "1":{"src":"skipped", "type": "application/vnd.apple.mpegURL"}
763         }''')
764
765         inp = '''{"foo":101}'''
766         self.assertEqual(js_to_json(inp), '''{"foo":101}''')
767
768         inp = '''{"duration": "00:01:07"}'''
769         self.assertEqual(js_to_json(inp), '''{"duration": "00:01:07"}''')
770
771     def test_js_to_json_edgecases(self):
772         on = js_to_json("{abc_def:'1\\'\\\\2\\\\\\'3\"4'}")
773         self.assertEqual(json.loads(on), {"abc_def": "1'\\2\\'3\"4"})
774
775         on = js_to_json('{"abc": true}')
776         self.assertEqual(json.loads(on), {'abc': True})
777
778         # Ignore JavaScript code as well
779         on = js_to_json('''{
780             "x": 1,
781             y: "a",
782             z: some.code
783         }''')
784         d = json.loads(on)
785         self.assertEqual(d['x'], 1)
786         self.assertEqual(d['y'], 'a')
787
788         on = js_to_json('["abc", "def",]')
789         self.assertEqual(json.loads(on), ['abc', 'def'])
790
791         on = js_to_json('[/*comment\n*/"abc"/*comment\n*/,/*comment\n*/"def",/*comment\n*/]')
792         self.assertEqual(json.loads(on), ['abc', 'def'])
793
794         on = js_to_json('[//comment\n"abc" //comment\n,//comment\n"def",//comment\n]')
795         self.assertEqual(json.loads(on), ['abc', 'def'])
796
797         on = js_to_json('{"abc": "def",}')
798         self.assertEqual(json.loads(on), {'abc': 'def'})
799
800         on = js_to_json('{/*comment\n*/"abc"/*comment\n*/:/*comment\n*/"def"/*comment\n*/,/*comment\n*/}')
801         self.assertEqual(json.loads(on), {'abc': 'def'})
802
803         on = js_to_json('{ 0: /* " \n */ ",]" , }')
804         self.assertEqual(json.loads(on), {'0': ',]'})
805
806         on = js_to_json('{ /*comment\n*/0/*comment\n*/: /* " \n */ ",]" , }')
807         self.assertEqual(json.loads(on), {'0': ',]'})
808
809         on = js_to_json('{ 0: // comment\n1 }')
810         self.assertEqual(json.loads(on), {'0': 1})
811
812         on = js_to_json(r'["<p>x<\/p>"]')
813         self.assertEqual(json.loads(on), ['<p>x</p>'])
814
815         on = js_to_json(r'["\xaa"]')
816         self.assertEqual(json.loads(on), ['\u00aa'])
817
818         on = js_to_json("['a\\\nb']")
819         self.assertEqual(json.loads(on), ['ab'])
820
821         on = js_to_json("/*comment\n*/[/*comment\n*/'a\\\nb'/*comment\n*/]/*comment\n*/")
822         self.assertEqual(json.loads(on), ['ab'])
823
824         on = js_to_json('{0xff:0xff}')
825         self.assertEqual(json.loads(on), {'255': 255})
826
827         on = js_to_json('{/*comment\n*/0xff/*comment\n*/:/*comment\n*/0xff/*comment\n*/}')
828         self.assertEqual(json.loads(on), {'255': 255})
829
830         on = js_to_json('{077:077}')
831         self.assertEqual(json.loads(on), {'63': 63})
832
833         on = js_to_json('{/*comment\n*/077/*comment\n*/:/*comment\n*/077/*comment\n*/}')
834         self.assertEqual(json.loads(on), {'63': 63})
835
836         on = js_to_json('{42:42}')
837         self.assertEqual(json.loads(on), {'42': 42})
838
839         on = js_to_json('{/*comment\n*/42/*comment\n*/:/*comment\n*/42/*comment\n*/}')
840         self.assertEqual(json.loads(on), {'42': 42})
841
842     def test_extract_attributes(self):
843         self.assertEqual(extract_attributes('<e x="y">'), {'x': 'y'})
844         self.assertEqual(extract_attributes("<e x='y'>"), {'x': 'y'})
845         self.assertEqual(extract_attributes('<e x=y>'), {'x': 'y'})
846         self.assertEqual(extract_attributes('<e x="a \'b\' c">'), {'x': "a 'b' c"})
847         self.assertEqual(extract_attributes('<e x=\'a "b" c\'>'), {'x': 'a "b" c'})
848         self.assertEqual(extract_attributes('<e x="&#121;">'), {'x': 'y'})
849         self.assertEqual(extract_attributes('<e x="&#x79;">'), {'x': 'y'})
850         self.assertEqual(extract_attributes('<e x="&amp;">'), {'x': '&'})  # XML
851         self.assertEqual(extract_attributes('<e x="&quot;">'), {'x': '"'})
852         self.assertEqual(extract_attributes('<e x="&pound;">'), {'x': '£'})  # HTML 3.2
853         self.assertEqual(extract_attributes('<e x="&lambda;">'), {'x': 'λ'})  # HTML 4.0
854         self.assertEqual(extract_attributes('<e x="&foo">'), {'x': '&foo'})
855         self.assertEqual(extract_attributes('<e x="\'">'), {'x': "'"})
856         self.assertEqual(extract_attributes('<e x=\'"\'>'), {'x': '"'})
857         self.assertEqual(extract_attributes('<e x >'), {'x': None})
858         self.assertEqual(extract_attributes('<e x=y a>'), {'x': 'y', 'a': None})
859         self.assertEqual(extract_attributes('<e x= y>'), {'x': 'y'})
860         self.assertEqual(extract_attributes('<e x=1 y=2 x=3>'), {'y': '2', 'x': '3'})
861         self.assertEqual(extract_attributes('<e \nx=\ny\n>'), {'x': 'y'})
862         self.assertEqual(extract_attributes('<e \nx=\n"y"\n>'), {'x': 'y'})
863         self.assertEqual(extract_attributes("<e \nx=\n'y'\n>"), {'x': 'y'})
864         self.assertEqual(extract_attributes('<e \nx="\ny\n">'), {'x': '\ny\n'})
865         self.assertEqual(extract_attributes('<e CAPS=x>'), {'caps': 'x'})  # Names lowercased
866         self.assertEqual(extract_attributes('<e x=1 X=2>'), {'x': '2'})
867         self.assertEqual(extract_attributes('<e X=1 x=2>'), {'x': '2'})
868         self.assertEqual(extract_attributes('<e _:funny-name1=1>'), {'_:funny-name1': '1'})
869         self.assertEqual(extract_attributes('<e x="Fáilte 世界 \U0001f600">'), {'x': 'Fáilte 世界 \U0001f600'})
870         self.assertEqual(extract_attributes('<e x="décompose&#769;">'), {'x': 'décompose\u0301'})
871         # "Narrow" Python builds don't support unicode code points outside BMP.
872         try:
873             compat_chr(0x10000)
874             supports_outside_bmp = True
875         except ValueError:
876             supports_outside_bmp = False
877         if supports_outside_bmp:
878             self.assertEqual(extract_attributes('<e x="Smile &#128512;!">'), {'x': 'Smile \U0001f600!'})
879
880     def test_clean_html(self):
881         self.assertEqual(clean_html('a:\nb'), 'a: b')
882         self.assertEqual(clean_html('a:\n   "b"'), 'a:    "b"')
883
884     def test_intlist_to_bytes(self):
885         self.assertEqual(
886             intlist_to_bytes([0, 1, 127, 128, 255]),
887             b'\x00\x01\x7f\x80\xff')
888
889     def test_args_to_str(self):
890         self.assertEqual(
891             args_to_str(['foo', 'ba/r', '-baz', '2 be', '']),
892             'foo ba/r -baz \'2 be\' \'\''
893         )
894
895     def test_parse_filesize(self):
896         self.assertEqual(parse_filesize(None), None)
897         self.assertEqual(parse_filesize(''), None)
898         self.assertEqual(parse_filesize('91 B'), 91)
899         self.assertEqual(parse_filesize('foobar'), None)
900         self.assertEqual(parse_filesize('2 MiB'), 2097152)
901         self.assertEqual(parse_filesize('5 GB'), 5000000000)
902         self.assertEqual(parse_filesize('1.2Tb'), 1200000000000)
903         self.assertEqual(parse_filesize('1.2tb'), 1200000000000)
904         self.assertEqual(parse_filesize('1,24 KB'), 1240)
905         self.assertEqual(parse_filesize('1,24 kb'), 1240)
906         self.assertEqual(parse_filesize('8.5 megabytes'), 8500000)
907
908     def test_parse_count(self):
909         self.assertEqual(parse_count(None), None)
910         self.assertEqual(parse_count(''), None)
911         self.assertEqual(parse_count('0'), 0)
912         self.assertEqual(parse_count('1000'), 1000)
913         self.assertEqual(parse_count('1.000'), 1000)
914         self.assertEqual(parse_count('1.1k'), 1100)
915         self.assertEqual(parse_count('1.1kk'), 1100000)
916         self.assertEqual(parse_count('1.1kk '), 1100000)
917         self.assertEqual(parse_count('1.1kk views'), 1100000)
918
919     def test_version_tuple(self):
920         self.assertEqual(version_tuple('1'), (1,))
921         self.assertEqual(version_tuple('10.23.344'), (10, 23, 344))
922         self.assertEqual(version_tuple('10.1-6'), (10, 1, 6))  # avconv style
923
924     def test_detect_exe_version(self):
925         self.assertEqual(detect_exe_version('''ffmpeg version 1.2.1
926 built on May 27 2013 08:37:26 with gcc 4.7 (Debian 4.7.3-4)
927 configuration: --prefix=/usr --extra-'''), '1.2.1')
928         self.assertEqual(detect_exe_version('''ffmpeg version N-63176-g1fb4685
929 built on May 15 2014 22:09:06 with gcc 4.8.2 (GCC)'''), 'N-63176-g1fb4685')
930         self.assertEqual(detect_exe_version('''X server found. dri2 connection failed!
931 Trying to open render node...
932 Success at /dev/dri/renderD128.
933 ffmpeg version 2.4.4 Copyright (c) 2000-2014 the FFmpeg ...'''), '2.4.4')
934
935     def test_age_restricted(self):
936         self.assertFalse(age_restricted(None, 10))  # unrestricted content
937         self.assertFalse(age_restricted(1, None))  # unrestricted policy
938         self.assertFalse(age_restricted(8, 10))
939         self.assertTrue(age_restricted(18, 14))
940         self.assertFalse(age_restricted(18, 18))
941
942     def test_is_html(self):
943         self.assertFalse(is_html(b'\x49\x44\x43<html'))
944         self.assertTrue(is_html(b'<!DOCTYPE foo>\xaaa'))
945         self.assertTrue(is_html(  # UTF-8 with BOM
946             b'\xef\xbb\xbf<!DOCTYPE foo>\xaaa'))
947         self.assertTrue(is_html(  # UTF-16-LE
948             b'\xff\xfe<\x00h\x00t\x00m\x00l\x00>\x00\xe4\x00'
949         ))
950         self.assertTrue(is_html(  # UTF-16-BE
951             b'\xfe\xff\x00<\x00h\x00t\x00m\x00l\x00>\x00\xe4'
952         ))
953         self.assertTrue(is_html(  # UTF-32-BE
954             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'))
955         self.assertTrue(is_html(  # UTF-32-LE
956             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'))
957
958     def test_render_table(self):
959         self.assertEqual(
960             render_table(
961                 ['a', 'bcd'],
962                 [[123, 4], [9999, 51]]),
963             'a    bcd\n'
964             '123  4\n'
965             '9999 51')
966
967     def test_match_str(self):
968         self.assertRaises(ValueError, match_str, 'xy>foobar', {})
969         self.assertFalse(match_str('xy', {'x': 1200}))
970         self.assertTrue(match_str('!xy', {'x': 1200}))
971         self.assertTrue(match_str('x', {'x': 1200}))
972         self.assertFalse(match_str('!x', {'x': 1200}))
973         self.assertTrue(match_str('x', {'x': 0}))
974         self.assertFalse(match_str('x>0', {'x': 0}))
975         self.assertFalse(match_str('x>0', {}))
976         self.assertTrue(match_str('x>?0', {}))
977         self.assertTrue(match_str('x>1K', {'x': 1200}))
978         self.assertFalse(match_str('x>2K', {'x': 1200}))
979         self.assertTrue(match_str('x>=1200 & x < 1300', {'x': 1200}))
980         self.assertFalse(match_str('x>=1100 & x < 1200', {'x': 1200}))
981         self.assertFalse(match_str('y=a212', {'y': 'foobar42'}))
982         self.assertTrue(match_str('y=foobar42', {'y': 'foobar42'}))
983         self.assertFalse(match_str('y!=foobar42', {'y': 'foobar42'}))
984         self.assertTrue(match_str('y!=foobar2', {'y': 'foobar42'}))
985         self.assertFalse(match_str(
986             'like_count > 100 & dislike_count <? 50 & description',
987             {'like_count': 90, 'description': 'foo'}))
988         self.assertTrue(match_str(
989             'like_count > 100 & dislike_count <? 50 & description',
990             {'like_count': 190, 'description': 'foo'}))
991         self.assertFalse(match_str(
992             'like_count > 100 & dislike_count <? 50 & description',
993             {'like_count': 190, 'dislike_count': 60, 'description': 'foo'}))
994         self.assertFalse(match_str(
995             'like_count > 100 & dislike_count <? 50 & description',
996             {'like_count': 190, 'dislike_count': 10}))
997
998     def test_parse_dfxp_time_expr(self):
999         self.assertEqual(parse_dfxp_time_expr(None), None)
1000         self.assertEqual(parse_dfxp_time_expr(''), None)
1001         self.assertEqual(parse_dfxp_time_expr('0.1'), 0.1)
1002         self.assertEqual(parse_dfxp_time_expr('0.1s'), 0.1)
1003         self.assertEqual(parse_dfxp_time_expr('00:00:01'), 1.0)
1004         self.assertEqual(parse_dfxp_time_expr('00:00:01.100'), 1.1)
1005         self.assertEqual(parse_dfxp_time_expr('00:00:01:100'), 1.1)
1006
1007     def test_dfxp2srt(self):
1008         dfxp_data = '''<?xml version="1.0" encoding="UTF-8"?>
1009             <tt xmlns="http://www.w3.org/ns/ttml" xml:lang="en" xmlns:tts="http://www.w3.org/ns/ttml#parameter">
1010             <body>
1011                 <div xml:lang="en">
1012                     <p begin="0" end="1">The following line contains Chinese characters and special symbols</p>
1013                     <p begin="1" end="2">第二行<br/>♪♪</p>
1014                     <p begin="2" dur="1"><span>Third<br/>Line</span></p>
1015                     <p begin="3" end="-1">Lines with invalid timestamps are ignored</p>
1016                     <p begin="-1" end="-1">Ignore, two</p>
1017                     <p begin="3" dur="-1">Ignored, three</p>
1018                 </div>
1019             </body>
1020             </tt>'''
1021         srt_data = '''1
1022 00:00:00,000 --> 00:00:01,000
1023 The following line contains Chinese characters and special symbols
1024
1025 2
1026 00:00:01,000 --> 00:00:02,000
1027 第二行
1028 ♪♪
1029
1030 3
1031 00:00:02,000 --> 00:00:03,000
1032 Third
1033 Line
1034
1035 '''
1036         self.assertEqual(dfxp2srt(dfxp_data), srt_data)
1037
1038         dfxp_data_no_default_namespace = '''<?xml version="1.0" encoding="UTF-8"?>
1039             <tt xml:lang="en" xmlns:tts="http://www.w3.org/ns/ttml#parameter">
1040             <body>
1041                 <div xml:lang="en">
1042                     <p begin="0" end="1">The first line</p>
1043                 </div>
1044             </body>
1045             </tt>'''
1046         srt_data = '''1
1047 00:00:00,000 --> 00:00:01,000
1048 The first line
1049
1050 '''
1051         self.assertEqual(dfxp2srt(dfxp_data_no_default_namespace), srt_data)
1052
1053     def test_cli_option(self):
1054         self.assertEqual(cli_option({'proxy': '127.0.0.1:3128'}, '--proxy', 'proxy'), ['--proxy', '127.0.0.1:3128'])
1055         self.assertEqual(cli_option({'proxy': None}, '--proxy', 'proxy'), [])
1056         self.assertEqual(cli_option({}, '--proxy', 'proxy'), [])
1057         self.assertEqual(cli_option({'retries': 10}, '--retries', 'retries'), ['--retries', '10'])
1058
1059     def test_cli_valueless_option(self):
1060         self.assertEqual(cli_valueless_option(
1061             {'downloader': 'external'}, '--external-downloader', 'downloader', 'external'), ['--external-downloader'])
1062         self.assertEqual(cli_valueless_option(
1063             {'downloader': 'internal'}, '--external-downloader', 'downloader', 'external'), [])
1064         self.assertEqual(cli_valueless_option(
1065             {'nocheckcertificate': True}, '--no-check-certificate', 'nocheckcertificate'), ['--no-check-certificate'])
1066         self.assertEqual(cli_valueless_option(
1067             {'nocheckcertificate': False}, '--no-check-certificate', 'nocheckcertificate'), [])
1068         self.assertEqual(cli_valueless_option(
1069             {'checkcertificate': True}, '--no-check-certificate', 'checkcertificate', False), [])
1070         self.assertEqual(cli_valueless_option(
1071             {'checkcertificate': False}, '--no-check-certificate', 'checkcertificate', False), ['--no-check-certificate'])
1072
1073     def test_cli_bool_option(self):
1074         self.assertEqual(
1075             cli_bool_option(
1076                 {'nocheckcertificate': True}, '--no-check-certificate', 'nocheckcertificate'),
1077             ['--no-check-certificate', 'true'])
1078         self.assertEqual(
1079             cli_bool_option(
1080                 {'nocheckcertificate': True}, '--no-check-certificate', 'nocheckcertificate', separator='='),
1081             ['--no-check-certificate=true'])
1082         self.assertEqual(
1083             cli_bool_option(
1084                 {'nocheckcertificate': True}, '--check-certificate', 'nocheckcertificate', 'false', 'true'),
1085             ['--check-certificate', 'false'])
1086         self.assertEqual(
1087             cli_bool_option(
1088                 {'nocheckcertificate': True}, '--check-certificate', 'nocheckcertificate', 'false', 'true', '='),
1089             ['--check-certificate=false'])
1090         self.assertEqual(
1091             cli_bool_option(
1092                 {'nocheckcertificate': False}, '--check-certificate', 'nocheckcertificate', 'false', 'true'),
1093             ['--check-certificate', 'true'])
1094         self.assertEqual(
1095             cli_bool_option(
1096                 {'nocheckcertificate': False}, '--check-certificate', 'nocheckcertificate', 'false', 'true', '='),
1097             ['--check-certificate=true'])
1098
1099     def test_ohdave_rsa_encrypt(self):
1100         N = 0xab86b6371b5318aaa1d3c9e612a9f1264f372323c8c0f19875b5fc3b3fd3afcc1e5bec527aa94bfa85bffc157e4245aebda05389a5357b75115ac94f074aefcd
1101         e = 65537
1102
1103         self.assertEqual(
1104             ohdave_rsa_encrypt(b'aa111222', e, N),
1105             '726664bd9a23fd0c70f9f1b84aab5e3905ce1e45a584e9cbcf9bcc7510338fc1986d6c599ff990d923aa43c51c0d9013cd572e13bc58f4ae48f2ed8c0b0ba881')
1106
1107     def test_encode_base_n(self):
1108         self.assertEqual(encode_base_n(0, 30), '0')
1109         self.assertEqual(encode_base_n(80, 30), '2k')
1110
1111         custom_table = '9876543210ZYXWVUTSRQPONMLKJIHGFEDCBA'
1112         self.assertEqual(encode_base_n(0, 30, custom_table), '9')
1113         self.assertEqual(encode_base_n(80, 30, custom_table), '7P')
1114
1115         self.assertRaises(ValueError, encode_base_n, 0, 70)
1116         self.assertRaises(ValueError, encode_base_n, 0, 60, custom_table)
1117
1118     def test_urshift(self):
1119         self.assertEqual(urshift(3, 1), 1)
1120         self.assertEqual(urshift(-3, 1), 2147483646)
1121
1122     def test_get_element_by_class(self):
1123         html = '''
1124             <span class="foo bar">nice</span>
1125         '''
1126
1127         self.assertEqual(get_element_by_class('foo', html), 'nice')
1128         self.assertEqual(get_element_by_class('no-such-class', html), None)
1129
1130     def test_get_element_by_attribute(self):
1131         html = '''
1132             <span class="foo bar">nice</span>
1133         '''
1134
1135         self.assertEqual(get_element_by_attribute('class', 'foo bar', html), 'nice')
1136         self.assertEqual(get_element_by_attribute('class', 'foo', html), None)
1137         self.assertEqual(get_element_by_attribute('class', 'no-such-foo', html), None)
1138
1139     def test_get_elements_by_class(self):
1140         html = '''
1141             <span class="foo bar">nice</span><span class="foo bar">also nice</span>
1142         '''
1143
1144         self.assertEqual(get_elements_by_class('foo', html), ['nice', 'also nice'])
1145         self.assertEqual(get_elements_by_class('no-such-class', html), [])
1146
1147     def test_get_elements_by_attribute(self):
1148         html = '''
1149             <span class="foo bar">nice</span><span class="foo bar">also nice</span>
1150         '''
1151
1152         self.assertEqual(get_elements_by_attribute('class', 'foo bar', html), ['nice', 'also nice'])
1153         self.assertEqual(get_elements_by_attribute('class', 'foo', html), [])
1154         self.assertEqual(get_elements_by_attribute('class', 'no-such-foo', html), [])
1155
1156
1157 if __name__ == '__main__':
1158     unittest.main()