_ Git - youtube-dl/blob - test/test_utils.py

   1 #!/usr/bin/env python
   2 # coding: utf-8
   3
   4 from __future__ import unicode_literals
   5
   6 # Allow direct execution
   7 import os
   8 import sys
   9 import unittest
  10 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
  11
  12
  13 # Various small unit tests
  14 import io
  15 import json
  16 import xml.etree.ElementTree
  17
  18 from youtube_dl.utils import (
  19     age_restricted,
  20     args_to_str,
  21     clean_html,
  22     DateRange,
  23     detect_exe_version,
  24     encodeFilename,
  25     escape_rfc3986,
  26     escape_url,
  27     find_xpath_attr,
  28     fix_xml_ampersands,
  29     InAdvancePagedList,
  30     intlist_to_bytes,
  31     is_html,
  32     js_to_json,
  33     limit_length,
  34     OnDemandPagedList,
  35     orderedSet,
  36     parse_duration,
  37     parse_filesize,
  38     parse_iso8601,
  39     read_batch_urls,
  40     sanitize_filename,
  41     sanitize_path,
  42     sanitize_url_path_consecutive_slashes,
  43     shell_quote,
  44     smuggle_url,
  45     str_to_int,
  46     strip_jsonp,
  47     struct_unpack,
  48     timeconvert,
  49     unescapeHTML,
  50     unified_strdate,
  51     unsmuggle_url,
  52     uppercase_escape,
  53     url_basename,
  54     urlencode_postdata,
  55     version_tuple,
  56     xpath_with_ns,
  57     render_table,
  58     match_str,
  59 )
  60
  61
  62 class TestUtil(unittest.TestCase):
  63     def test_timeconvert(self):
  64         self.assertTrue(timeconvert('') is None)
  65         self.assertTrue(timeconvert('bougrg') is None)
  66
  67     def test_sanitize_filename(self):
  68         self.assertEqual(sanitize_filename('abc'), 'abc')
  69         self.assertEqual(sanitize_filename('abc_d-e'), 'abc_d-e')
  70
  71         self.assertEqual(sanitize_filename('123'), '123')
  72
  73         self.assertEqual('abc_de', sanitize_filename('abc/de'))
  74         self.assertFalse('/' in sanitize_filename('abc/de///'))
  75
  76         self.assertEqual('abc_de', sanitize_filename('abc/<>\\*|de'))
  77         self.assertEqual('xxx', sanitize_filename('xxx/<>\\*|'))
  78         self.assertEqual('yes no', sanitize_filename('yes? no'))
  79         self.assertEqual('this - that', sanitize_filename('this: that'))
  80
  81         self.assertEqual(sanitize_filename('AT&T'), 'AT&T')
  82         aumlaut = 'ä'
  83         self.assertEqual(sanitize_filename(aumlaut), aumlaut)
  84         tests = '\u043a\u0438\u0440\u0438\u043b\u043b\u0438\u0446\u0430'
  85         self.assertEqual(sanitize_filename(tests), tests)
  86
  87         self.assertEqual(
  88             sanitize_filename('New World record at 0:12:34'),
  89             'New World record at 0_12_34')
  90
  91         self.assertEqual(sanitize_filename('--gasdgf'), '_-gasdgf')
  92         self.assertEqual(sanitize_filename('--gasdgf', is_id=True), '--gasdgf')
  93         self.assertEqual(sanitize_filename('.gasdgf'), 'gasdgf')
  94         self.assertEqual(sanitize_filename('.gasdgf', is_id=True), '.gasdgf')
  95
  96         forbidden = '"\0\\/'
  97         for fc in forbidden:
  98             for fbc in forbidden:
  99                 self.assertTrue(fbc not in sanitize_filename(fc))
 100
 101     def test_sanitize_filename_restricted(self):
 102         self.assertEqual(sanitize_filename('abc', restricted=True), 'abc')
 103         self.assertEqual(sanitize_filename('abc_d-e', restricted=True), 'abc_d-e')
 104
 105         self.assertEqual(sanitize_filename('123', restricted=True), '123')
 106
 107         self.assertEqual('abc_de', sanitize_filename('abc/de', restricted=True))
 108         self.assertFalse('/' in sanitize_filename('abc/de///', restricted=True))
 109
 110         self.assertEqual('abc_de', sanitize_filename('abc/<>\\*|de', restricted=True))
 111         self.assertEqual('xxx', sanitize_filename('xxx/<>\\*|', restricted=True))
 112         self.assertEqual('yes_no', sanitize_filename('yes? no', restricted=True))
 113         self.assertEqual('this_-_that', sanitize_filename('this: that', restricted=True))
 114
 115         tests = 'a\xe4b\u4e2d\u56fd\u7684c'
 116         self.assertEqual(sanitize_filename(tests, restricted=True), 'a_b_c')
 117         self.assertTrue(sanitize_filename('\xf6', restricted=True) != '')  # No empty filename
 118
 119         forbidden = '"\0\\/&!: \'\t\n()[]{}$;`^,#'
 120         for fc in forbidden:
 121             for fbc in forbidden:
 122                 self.assertTrue(fbc not in sanitize_filename(fc, restricted=True))
 123
 124         # Handle a common case more neatly
 125         self.assertEqual(sanitize_filename('\u5927\u58f0\u5e26 - Song', restricted=True), 'Song')
 126         self.assertEqual(sanitize_filename('\u603b\u7edf: Speech', restricted=True), 'Speech')
 127         # .. but make sure the file name is never empty
 128         self.assertTrue(sanitize_filename('-', restricted=True) != '')
 129         self.assertTrue(sanitize_filename(':', restricted=True) != '')
 130
 131     def test_sanitize_ids(self):
 132         self.assertEqual(sanitize_filename('_n_cd26wFpw', is_id=True), '_n_cd26wFpw')
 133         self.assertEqual(sanitize_filename('_BD_eEpuzXw', is_id=True), '_BD_eEpuzXw')
 134         self.assertEqual(sanitize_filename('N0Y__7-UOdI', is_id=True), 'N0Y__7-UOdI')
 135
 136     def test_sanitize_path(self):
 137         if sys.platform != 'win32':
 138             return
 139
 140         self.assertEqual(sanitize_path('abc'), 'abc')
 141         self.assertEqual(sanitize_path('abc/def'), 'abc\\def')
 142         self.assertEqual(sanitize_path('abc\\def'), 'abc\\def')
 143         self.assertEqual(sanitize_path('abc|def'), 'abc#def')
 144         self.assertEqual(sanitize_path('<>:"|?*'), '#######')
 145         self.assertEqual(sanitize_path('C:/abc/def'), 'C:\\abc\\def')
 146         self.assertEqual(sanitize_path('C?:/abc/def'), 'C##\\abc\\def')
 147
 148         self.assertEqual(sanitize_path('\\\\?\\UNC\\ComputerName\\abc'), '\\\\?\\UNC\\ComputerName\\abc')
 149         self.assertEqual(sanitize_path('\\\\?\\UNC/ComputerName/abc'), '\\\\?\\UNC\\ComputerName\\abc')
 150
 151         self.assertEqual(sanitize_path('\\\\?\\C:\\abc'), '\\\\?\\C:\\abc')
 152         self.assertEqual(sanitize_path('\\\\?\\C:/abc'), '\\\\?\\C:\\abc')
 153         self.assertEqual(sanitize_path('\\\\?\\C:\\ab?c\\de:f'), '\\\\?\\C:\\ab#c\\de#f')
 154         self.assertEqual(sanitize_path('\\\\?\\C:\\abc'), '\\\\?\\C:\\abc')
 155
 156         self.assertEqual(
 157             sanitize_path('youtube/%(uploader)s/%(autonumber)s-%(title)s-%(upload_date)s.%(ext)s'),
 158             'youtube\\%(uploader)s\\%(autonumber)s-%(title)s-%(upload_date)s.%(ext)s')
 159
 160         self.assertEqual(
 161             sanitize_path('youtube/TheWreckingYard ./00001-Not bad, Especially for Free! (1987 Yamaha 700)-20141116.mp4.part'),
 162             'youtube\\TheWreckingYard #\\00001-Not bad, Especially for Free! (1987 Yamaha 700)-20141116.mp4.part')
 163         self.assertEqual(sanitize_path('abc/def...'), 'abc\\def..#')
 164         self.assertEqual(sanitize_path('abc.../def'), 'abc..#\\def')
 165         self.assertEqual(sanitize_path('abc.../def...'), 'abc..#\\def..#')
 166
 167         self.assertEqual(sanitize_path('../abc'), '..\\abc')
 168         self.assertEqual(sanitize_path('../../abc'), '..\\..\\abc')
 169         self.assertEqual(sanitize_path('./abc'), 'abc')
 170         self.assertEqual(sanitize_path('./../abc'), '..\\abc')
 171
 172     def test_sanitize_url_path_consecutive_slashes(self):
 173         self.assertEqual(
 174             sanitize_url_path_consecutive_slashes('http://hostname/foo//bar/filename.html'),
 175             'http://hostname/foo/bar/filename.html')
 176         self.assertEqual(
 177             sanitize_url_path_consecutive_slashes('http://hostname//foo/bar/filename.html'),
 178             'http://hostname/foo/bar/filename.html')
 179         self.assertEqual(
 180             sanitize_url_path_consecutive_slashes('http://hostname//'),
 181             'http://hostname/')
 182         self.assertEqual(
 183             sanitize_url_path_consecutive_slashes('http://hostname/foo/bar/filename.html'),
 184             'http://hostname/foo/bar/filename.html')
 185         self.assertEqual(
 186             sanitize_url_path_consecutive_slashes('http://hostname/'),
 187             'http://hostname/')
 188         self.assertEqual(
 189             sanitize_url_path_consecutive_slashes('http://hostname/abc//'),
 190             'http://hostname/abc/')
 191
 192     def test_ordered_set(self):
 193         self.assertEqual(orderedSet([1, 1, 2, 3, 4, 4, 5, 6, 7, 3, 5]), [1, 2, 3, 4, 5, 6, 7])
 194         self.assertEqual(orderedSet([]), [])
 195         self.assertEqual(orderedSet([1]), [1])
 196         # keep the list ordered
 197         self.assertEqual(orderedSet([135, 1, 1, 1]), [135, 1])
 198
 199     def test_unescape_html(self):
 200         self.assertEqual(unescapeHTML('%20;'), '%20;')
 201         self.assertEqual(
 202             unescapeHTML('&eacute;'), 'é')
 203
 204     def test_daterange(self):
 205         _20century = DateRange("19000101", "20000101")
 206         self.assertFalse("17890714" in _20century)
 207         _ac = DateRange("00010101")
 208         self.assertTrue("19690721" in _ac)
 209         _firstmilenium = DateRange(end="10000101")
 210         self.assertTrue("07110427" in _firstmilenium)
 211
 212     def test_unified_dates(self):
 213         self.assertEqual(unified_strdate('December 21, 2010'), '20101221')
 214         self.assertEqual(unified_strdate('8/7/2009'), '20090708')
 215         self.assertEqual(unified_strdate('Dec 14, 2012'), '20121214')
 216         self.assertEqual(unified_strdate('2012/10/11 01:56:38 +0000'), '20121011')
 217         self.assertEqual(unified_strdate('1968 12 10'), '19681210')
 218         self.assertEqual(unified_strdate('1968-12-10'), '19681210')
 219         self.assertEqual(unified_strdate('28/01/2014 21:00:00 +0100'), '20140128')
 220         self.assertEqual(
 221             unified_strdate('11/26/2014 11:30:00 AM PST', day_first=False),
 222             '20141126')
 223         self.assertEqual(
 224             unified_strdate('2/2/2015 6:47:40 PM', day_first=False),
 225             '20150202')
 226
 227     def test_find_xpath_attr(self):
 228         testxml = '''<root>
 229             <node/>
 230             <node x="a"/>
 231             <node x="a" y="c" />
 232             <node x="b" y="d" />
 233         </root>'''
 234         doc = xml.etree.ElementTree.fromstring(testxml)
 235
 236         self.assertEqual(find_xpath_attr(doc, './/fourohfour', 'n', 'v'), None)
 237         self.assertEqual(find_xpath_attr(doc, './/node', 'x', 'a'), doc[1])
 238         self.assertEqual(find_xpath_attr(doc, './/node', 'y', 'c'), doc[2])
 239
 240     def test_xpath_with_ns(self):
 241         testxml = '''<root xmlns:media="http://example.com/">
 242             <media:song>
 243                 <media:author>The Author</media:author>
 244                 <url>http://server.com/download.mp3</url>
 245             </media:song>
 246         </root>'''
 247         doc = xml.etree.ElementTree.fromstring(testxml)
 248         find = lambda p: doc.find(xpath_with_ns(p, {'media': 'http://example.com/'}))
 249         self.assertTrue(find('media:song') is not None)
 250         self.assertEqual(find('media:song/media:author').text, 'The Author')
 251         self.assertEqual(find('media:song/url').text, 'http://server.com/download.mp3')
 252
 253     def test_smuggle_url(self):
 254         data = {"ö": "ö", "abc": [3]}
 255         url = 'https://foo.bar/baz?x=y#a'
 256         smug_url = smuggle_url(url, data)
 257         unsmug_url, unsmug_data = unsmuggle_url(smug_url)
 258         self.assertEqual(url, unsmug_url)
 259         self.assertEqual(data, unsmug_data)
 260
 261         res_url, res_data = unsmuggle_url(url)
 262         self.assertEqual(res_url, url)
 263         self.assertEqual(res_data, None)
 264
 265     def test_shell_quote(self):
 266         args = ['ffmpeg', '-i', encodeFilename('ñ€ß\'.mp4')]
 267         self.assertEqual(shell_quote(args), """ffmpeg -i 'ñ€ß'"'"'.mp4'""")
 268
 269     def test_str_to_int(self):
 270         self.assertEqual(str_to_int('123,456'), 123456)
 271         self.assertEqual(str_to_int('123.456'), 123456)
 272
 273     def test_url_basename(self):
 274         self.assertEqual(url_basename('http://foo.de/'), '')
 275         self.assertEqual(url_basename('http://foo.de/bar/baz'), 'baz')
 276         self.assertEqual(url_basename('http://foo.de/bar/baz?x=y'), 'baz')
 277         self.assertEqual(url_basename('http://foo.de/bar/baz#x=y'), 'baz')
 278         self.assertEqual(url_basename('http://foo.de/bar/baz/'), 'baz')
 279         self.assertEqual(
 280             url_basename('http://media.w3.org/2010/05/sintel/trailer.mp4'),
 281             'trailer.mp4')
 282
 283     def test_parse_duration(self):
 284         self.assertEqual(parse_duration(None), None)
 285         self.assertEqual(parse_duration(False), None)
 286         self.assertEqual(parse_duration('invalid'), None)
 287         self.assertEqual(parse_duration('1'), 1)
 288         self.assertEqual(parse_duration('1337:12'), 80232)
 289         self.assertEqual(parse_duration('9:12:43'), 33163)
 290         self.assertEqual(parse_duration('12:00'), 720)
 291         self.assertEqual(parse_duration('00:01:01'), 61)
 292         self.assertEqual(parse_duration('x:y'), None)
 293         self.assertEqual(parse_duration('3h11m53s'), 11513)
 294         self.assertEqual(parse_duration('3h 11m 53s'), 11513)
 295         self.assertEqual(parse_duration('3 hours 11 minutes 53 seconds'), 11513)
 296         self.assertEqual(parse_duration('3 hours 11 mins 53 secs'), 11513)
 297         self.assertEqual(parse_duration('62m45s'), 3765)
 298         self.assertEqual(parse_duration('6m59s'), 419)
 299         self.assertEqual(parse_duration('49s'), 49)
 300         self.assertEqual(parse_duration('0h0m0s'), 0)
 301         self.assertEqual(parse_duration('0m0s'), 0)
 302         self.assertEqual(parse_duration('0s'), 0)
 303         self.assertEqual(parse_duration('01:02:03.05'), 3723.05)
 304         self.assertEqual(parse_duration('T30M38S'), 1838)
 305         self.assertEqual(parse_duration('5 s'), 5)
 306         self.assertEqual(parse_duration('3 min'), 180)
 307         self.assertEqual(parse_duration('2.5 hours'), 9000)
 308         self.assertEqual(parse_duration('02:03:04'), 7384)
 309         self.assertEqual(parse_duration('01:02:03:04'), 93784)
 310         self.assertEqual(parse_duration('1 hour 3 minutes'), 3780)
 311
 312     def test_fix_xml_ampersands(self):
 313         self.assertEqual(
 314             fix_xml_ampersands('"&x=y&z=a'), '"&amp;x=y&amp;z=a')
 315         self.assertEqual(
 316             fix_xml_ampersands('"&amp;x=y&wrong;&z=a'),
 317             '"&amp;x=y&amp;wrong;&amp;z=a')
 318         self.assertEqual(
 319             fix_xml_ampersands('&amp;&apos;&gt;&lt;&quot;'),
 320             '&amp;&apos;&gt;&lt;&quot;')
 321         self.assertEqual(
 322             fix_xml_ampersands('&#1234;&#x1abC;'), '&#1234;&#x1abC;')
 323         self.assertEqual(fix_xml_ampersands('&#&#'), '&amp;#&amp;#')
 324
 325     def test_paged_list(self):
 326         def testPL(size, pagesize, sliceargs, expected):
 327             def get_page(pagenum):
 328                 firstid = pagenum * pagesize
 329                 upto = min(size, pagenum * pagesize + pagesize)
 330                 for i in range(firstid, upto):
 331                     yield i
 332
 333             pl = OnDemandPagedList(get_page, pagesize)
 334             got = pl.getslice(*sliceargs)
 335             self.assertEqual(got, expected)
 336
 337             iapl = InAdvancePagedList(get_page, size // pagesize + 1, pagesize)
 338             got = iapl.getslice(*sliceargs)
 339             self.assertEqual(got, expected)
 340
 341         testPL(5, 2, (), [0, 1, 2, 3, 4])
 342         testPL(5, 2, (1,), [1, 2, 3, 4])
 343         testPL(5, 2, (2,), [2, 3, 4])
 344         testPL(5, 2, (4,), [4])
 345         testPL(5, 2, (0, 3), [0, 1, 2])
 346         testPL(5, 2, (1, 4), [1, 2, 3])
 347         testPL(5, 2, (2, 99), [2, 3, 4])
 348         testPL(5, 2, (20, 99), [])
 349
 350     def test_struct_unpack(self):
 351         self.assertEqual(struct_unpack('!B', b'\x00'), (0,))
 352
 353     def test_read_batch_urls(self):
 354         f = io.StringIO('''\xef\xbb\xbf foo
 355             bar\r
 356             baz
 357             # More after this line\r
 358             ; or after this
 359             bam''')
 360         self.assertEqual(read_batch_urls(f), ['foo', 'bar', 'baz', 'bam'])
 361
 362     def test_urlencode_postdata(self):
 363         data = urlencode_postdata({'username': 'foo@bar.com', 'password': '1234'})
 364         self.assertTrue(isinstance(data, bytes))
 365
 366     def test_parse_iso8601(self):
 367         self.assertEqual(parse_iso8601('2014-03-23T23:04:26+0100'), 1395612266)
 368         self.assertEqual(parse_iso8601('2014-03-23T22:04:26+0000'), 1395612266)
 369         self.assertEqual(parse_iso8601('2014-03-23T22:04:26Z'), 1395612266)
 370         self.assertEqual(parse_iso8601('2014-03-23T22:04:26.1234Z'), 1395612266)
 371
 372     def test_strip_jsonp(self):
 373         stripped = strip_jsonp('cb ([ {"id":"532cb",\n\n\n"x":\n3}\n]\n);')
 374         d = json.loads(stripped)
 375         self.assertEqual(d, [{"id": "532cb", "x": 3}])
 376
 377         stripped = strip_jsonp('parseMetadata({"STATUS":"OK"})\n\n\n//epc')
 378         d = json.loads(stripped)
 379         self.assertEqual(d, {'STATUS': 'OK'})
 380
 381     def test_uppercase_escape(self):
 382         self.assertEqual(uppercase_escape('aä'), 'aä')
 383         self.assertEqual(uppercase_escape('\\U0001d550'), '𝕐')
 384
 385     def test_limit_length(self):
 386         self.assertEqual(limit_length(None, 12), None)
 387         self.assertEqual(limit_length('foo', 12), 'foo')
 388         self.assertTrue(
 389             limit_length('foo bar baz asd', 12).startswith('foo bar'))
 390         self.assertTrue('...' in limit_length('foo bar baz asd', 12))
 391
 392     def test_escape_rfc3986(self):
 393         reserved = "!*'();:@&=+$,/?#[]"
 394         unreserved = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.~'
 395         self.assertEqual(escape_rfc3986(reserved), reserved)
 396         self.assertEqual(escape_rfc3986(unreserved), unreserved)
 397         self.assertEqual(escape_rfc3986('тест'), '%D1%82%D0%B5%D1%81%D1%82')
 398         self.assertEqual(escape_rfc3986('%D1%82%D0%B5%D1%81%D1%82'), '%D1%82%D0%B5%D1%81%D1%82')
 399         self.assertEqual(escape_rfc3986('foo bar'), 'foo%20bar')
 400         self.assertEqual(escape_rfc3986('foo%20bar'), 'foo%20bar')
 401
 402     def test_escape_url(self):
 403         self.assertEqual(
 404             escape_url('http://wowza.imust.org/srv/vod/telemb/new/UPLOAD/UPLOAD/20224_IncendieHavré_FD.mp4'),
 405             'http://wowza.imust.org/srv/vod/telemb/new/UPLOAD/UPLOAD/20224_IncendieHavre%CC%81_FD.mp4'
 406         )
 407         self.assertEqual(
 408             escape_url('http://www.ardmediathek.de/tv/Sturm-der-Liebe/Folge-2036-Zu-Mann-und-Frau-erklärt/Das-Erste/Video?documentId=22673108&bcastId=5290'),
 409             'http://www.ardmediathek.de/tv/Sturm-der-Liebe/Folge-2036-Zu-Mann-und-Frau-erkl%C3%A4rt/Das-Erste/Video?documentId=22673108&bcastId=5290'
 410         )
 411         self.assertEqual(
 412             escape_url('http://тест.рф/фрагмент'),
 413             'http://тест.рф/%D1%84%D1%80%D0%B0%D0%B3%D0%BC%D0%B5%D0%BD%D1%82'
 414         )
 415         self.assertEqual(
 416             escape_url('http://тест.рф/абв?абв=абв#абв'),
 417             'http://тест.рф/%D0%B0%D0%B1%D0%B2?%D0%B0%D0%B1%D0%B2=%D0%B0%D0%B1%D0%B2#%D0%B0%D0%B1%D0%B2'
 418         )
 419         self.assertEqual(escape_url('http://vimeo.com/56015672#at=0'), 'http://vimeo.com/56015672#at=0')
 420
 421     def test_js_to_json_realworld(self):
 422         inp = '''{
 423             'clip':{'provider':'pseudo'}
 424         }'''
 425         self.assertEqual(js_to_json(inp), '''{
 426             "clip":{"provider":"pseudo"}
 427         }''')
 428         json.loads(js_to_json(inp))
 429
 430         inp = '''{
 431             'playlist':[{'controls':{'all':null}}]
 432         }'''
 433         self.assertEqual(js_to_json(inp), '''{
 434             "playlist":[{"controls":{"all":null}}]
 435         }''')
 436
 437         inp = '"SAND Number: SAND 2013-7800P\\nPresenter: Tom Russo\\nHabanero Software Training - Xyce Software\\nXyce, Sandia\\u0027s"'
 438         json_code = js_to_json(inp)
 439         self.assertEqual(json.loads(json_code), json.loads(inp))
 440
 441     def test_js_to_json_edgecases(self):
 442         on = js_to_json("{abc_def:'1\\'\\\\2\\\\\\'3\"4'}")
 443         self.assertEqual(json.loads(on), {"abc_def": "1'\\2\\'3\"4"})
 444
 445         on = js_to_json('{"abc": true}')
 446         self.assertEqual(json.loads(on), {'abc': True})
 447
 448         # Ignore JavaScript code as well
 449         on = js_to_json('''{
 450             "x": 1,
 451             y: "a",
 452             z: some.code
 453         }''')
 454         d = json.loads(on)
 455         self.assertEqual(d['x'], 1)
 456         self.assertEqual(d['y'], 'a')
 457
 458     def test_clean_html(self):
 459         self.assertEqual(clean_html('a:\nb'), 'a: b')
 460         self.assertEqual(clean_html('a:\n   "b"'), 'a:    "b"')
 461
 462     def test_intlist_to_bytes(self):
 463         self.assertEqual(
 464             intlist_to_bytes([0, 1, 127, 128, 255]),
 465             b'\x00\x01\x7f\x80\xff')
 466
 467     def test_args_to_str(self):
 468         self.assertEqual(
 469             args_to_str(['foo', 'ba/r', '-baz', '2 be', '']),
 470             'foo ba/r -baz \'2 be\' \'\''
 471         )
 472
 473     def test_parse_filesize(self):
 474         self.assertEqual(parse_filesize(None), None)
 475         self.assertEqual(parse_filesize(''), None)
 476         self.assertEqual(parse_filesize('91 B'), 91)
 477         self.assertEqual(parse_filesize('foobar'), None)
 478         self.assertEqual(parse_filesize('2 MiB'), 2097152)
 479         self.assertEqual(parse_filesize('5 GB'), 5000000000)
 480         self.assertEqual(parse_filesize('1.2Tb'), 1200000000000)
 481         self.assertEqual(parse_filesize('1,24 KB'), 1240)
 482
 483     def test_version_tuple(self):
 484         self.assertEqual(version_tuple('1'), (1,))
 485         self.assertEqual(version_tuple('10.23.344'), (10, 23, 344))
 486         self.assertEqual(version_tuple('10.1-6'), (10, 1, 6))  # avconv style
 487
 488     def test_detect_exe_version(self):
 489         self.assertEqual(detect_exe_version('''ffmpeg version 1.2.1
 490 built on May 27 2013 08:37:26 with gcc 4.7 (Debian 4.7.3-4)
 491 configuration: --prefix=/usr --extra-'''), '1.2.1')
 492         self.assertEqual(detect_exe_version('''ffmpeg version N-63176-g1fb4685
 493 built on May 15 2014 22:09:06 with gcc 4.8.2 (GCC)'''), 'N-63176-g1fb4685')
 494         self.assertEqual(detect_exe_version('''X server found. dri2 connection failed!
 495 Trying to open render node...
 496 Success at /dev/dri/renderD128.
 497 ffmpeg version 2.4.4 Copyright (c) 2000-2014 the FFmpeg ...'''), '2.4.4')
 498
 499     def test_age_restricted(self):
 500         self.assertFalse(age_restricted(None, 10))  # unrestricted content
 501         self.assertFalse(age_restricted(1, None))  # unrestricted policy
 502         self.assertFalse(age_restricted(8, 10))
 503         self.assertTrue(age_restricted(18, 14))
 504         self.assertFalse(age_restricted(18, 18))
 505
 506     def test_is_html(self):
 507         self.assertFalse(is_html(b'\x49\x44\x43<html'))
 508         self.assertTrue(is_html(b'<!DOCTYPE foo>\xaaa'))
 509         self.assertTrue(is_html(  # UTF-8 with BOM
 510             b'\xef\xbb\xbf<!DOCTYPE foo>\xaaa'))
 511         self.assertTrue(is_html(  # UTF-16-LE
 512             b'\xff\xfe<\x00h\x00t\x00m\x00l\x00>\x00\xe4\x00'
 513         ))
 514         self.assertTrue(is_html(  # UTF-16-BE
 515             b'\xfe\xff\x00<\x00h\x00t\x00m\x00l\x00>\x00\xe4'
 516         ))
 517         self.assertTrue(is_html(  # UTF-32-BE
 518             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'))
 519         self.assertTrue(is_html(  # UTF-32-LE
 520             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'))
 521
 522     def test_render_table(self):
 523         self.assertEqual(
 524             render_table(
 525                 ['a', 'bcd'],
 526                 [[123, 4], [9999, 51]]),
 527             'a    bcd\n'
 528             '123  4\n'
 529             '9999 51')
 530
 531     def test_match_str(self):
 532         self.assertRaises(ValueError, match_str, 'xy>foobar', {})
 533         self.assertFalse(match_str('xy', {'x': 1200}))
 534         self.assertTrue(match_str('!xy', {'x': 1200}))
 535         self.assertTrue(match_str('x', {'x': 1200}))
 536         self.assertFalse(match_str('!x', {'x': 1200}))
 537         self.assertTrue(match_str('x', {'x': 0}))
 538         self.assertFalse(match_str('x>0', {'x': 0}))
 539         self.assertFalse(match_str('x>0', {}))
 540         self.assertTrue(match_str('x>?0', {}))
 541         self.assertTrue(match_str('x>1K', {'x': 1200}))
 542         self.assertFalse(match_str('x>2K', {'x': 1200}))
 543         self.assertTrue(match_str('x>=1200 & x < 1300', {'x': 1200}))
 544         self.assertFalse(match_str('x>=1100 & x < 1200', {'x': 1200}))
 545         self.assertFalse(match_str('y=a212', {'y': 'foobar42'}))
 546         self.assertTrue(match_str('y=foobar42', {'y': 'foobar42'}))
 547         self.assertFalse(match_str('y!=foobar42', {'y': 'foobar42'}))
 548         self.assertTrue(match_str('y!=foobar2', {'y': 'foobar42'}))
 549         self.assertFalse(match_str(
 550             'like_count > 100 & dislike_count <? 50 & description',
 551             {'like_count': 90, 'description': 'foo'}))
 552         self.assertTrue(match_str(
 553             'like_count > 100 & dislike_count <? 50 & description',
 554             {'like_count': 190, 'description': 'foo'}))
 555         self.assertFalse(match_str(
 556             'like_count > 100 & dislike_count <? 50 & description',
 557             {'like_count': 190, 'dislike_count': 60, 'description': 'foo'}))
 558         self.assertFalse(match_str(
 559             'like_count > 100 & dislike_count <? 50 & description',
 560             {'like_count': 190, 'dislike_count': 10}))
 561
 562
 563 if __name__ == '__main__':
 564     unittest.main()