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

   1 #!/usr/bin/env python
   2 # coding: utf-8
   3
   4 # Allow direct execution
   5 import os
   6 import sys
   7 import unittest
   8 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
   9
  10
  11 # Various small unit tests
  12 import io
  13 import json
  14 import xml.etree.ElementTree
  15
  16 #from youtube_dl.utils import htmlentity_transform
  17 from youtube_dl.utils import (
  18     DateRange,
  19     encodeFilename,
  20     find_xpath_attr,
  21     fix_xml_ampersands,
  22     get_meta_content,
  23     orderedSet,
  24     PagedList,
  25     parse_duration,
  26     read_batch_urls,
  27     sanitize_filename,
  28     shell_quote,
  29     smuggle_url,
  30     str_to_int,
  31     struct_unpack,
  32     timeconvert,
  33     unescapeHTML,
  34     unified_strdate,
  35     unsmuggle_url,
  36     url_basename,
  37     urlencode_postdata,
  38     xpath_with_ns,
  39     parse_iso8601,
  40     strip_jsonp,
  41     uppercase_escape,
  42 )
  43
  44 if sys.version_info < (3, 0):
  45     _compat_str = lambda b: b.decode('unicode-escape')
  46 else:
  47     _compat_str = lambda s: s
  48
  49
  50 class TestUtil(unittest.TestCase):
  51     def test_timeconvert(self):
  52         self.assertTrue(timeconvert('') is None)
  53         self.assertTrue(timeconvert('bougrg') is None)
  54
  55     def test_sanitize_filename(self):
  56         self.assertEqual(sanitize_filename('abc'), 'abc')
  57         self.assertEqual(sanitize_filename('abc_d-e'), 'abc_d-e')
  58
  59         self.assertEqual(sanitize_filename('123'), '123')
  60
  61         self.assertEqual('abc_de', sanitize_filename('abc/de'))
  62         self.assertFalse('/' in sanitize_filename('abc/de///'))
  63
  64         self.assertEqual('abc_de', sanitize_filename('abc/<>\\*|de'))
  65         self.assertEqual('xxx', sanitize_filename('xxx/<>\\*|'))
  66         self.assertEqual('yes no', sanitize_filename('yes? no'))
  67         self.assertEqual('this - that', sanitize_filename('this: that'))
  68
  69         self.assertEqual(sanitize_filename('AT&T'), 'AT&T')
  70         aumlaut = _compat_str('\xe4')
  71         self.assertEqual(sanitize_filename(aumlaut), aumlaut)
  72         tests = _compat_str('\u043a\u0438\u0440\u0438\u043b\u043b\u0438\u0446\u0430')
  73         self.assertEqual(sanitize_filename(tests), tests)
  74
  75         forbidden = '"\0\\/'
  76         for fc in forbidden:
  77             for fbc in forbidden:
  78                 self.assertTrue(fbc not in sanitize_filename(fc))
  79
  80     def test_sanitize_filename_restricted(self):
  81         self.assertEqual(sanitize_filename('abc', restricted=True), 'abc')
  82         self.assertEqual(sanitize_filename('abc_d-e', restricted=True), 'abc_d-e')
  83
  84         self.assertEqual(sanitize_filename('123', restricted=True), '123')
  85
  86         self.assertEqual('abc_de', sanitize_filename('abc/de', restricted=True))
  87         self.assertFalse('/' in sanitize_filename('abc/de///', restricted=True))
  88
  89         self.assertEqual('abc_de', sanitize_filename('abc/<>\\*|de', restricted=True))
  90         self.assertEqual('xxx', sanitize_filename('xxx/<>\\*|', restricted=True))
  91         self.assertEqual('yes_no', sanitize_filename('yes? no', restricted=True))
  92         self.assertEqual('this_-_that', sanitize_filename('this: that', restricted=True))
  93
  94         tests = _compat_str('a\xe4b\u4e2d\u56fd\u7684c')
  95         self.assertEqual(sanitize_filename(tests, restricted=True), 'a_b_c')
  96         self.assertTrue(sanitize_filename(_compat_str('\xf6'), restricted=True) != '')  # No empty filename
  97
  98         forbidden = '"\0\\/&!: \'\t\n()[]{}$;`^,#'
  99         for fc in forbidden:
 100             for fbc in forbidden:
 101                 self.assertTrue(fbc not in sanitize_filename(fc, restricted=True))
 102
 103         # Handle a common case more neatly
 104         self.assertEqual(sanitize_filename(_compat_str('\u5927\u58f0\u5e26 - Song'), restricted=True), 'Song')
 105         self.assertEqual(sanitize_filename(_compat_str('\u603b\u7edf: Speech'), restricted=True), 'Speech')
 106         # .. but make sure the file name is never empty
 107         self.assertTrue(sanitize_filename('-', restricted=True) != '')
 108         self.assertTrue(sanitize_filename(':', restricted=True) != '')
 109
 110     def test_sanitize_ids(self):
 111         self.assertEqual(sanitize_filename('_n_cd26wFpw', is_id=True), '_n_cd26wFpw')
 112         self.assertEqual(sanitize_filename('_BD_eEpuzXw', is_id=True), '_BD_eEpuzXw')
 113         self.assertEqual(sanitize_filename('N0Y__7-UOdI', is_id=True), 'N0Y__7-UOdI')
 114
 115     def test_ordered_set(self):
 116         self.assertEqual(orderedSet([1, 1, 2, 3, 4, 4, 5, 6, 7, 3, 5]), [1, 2, 3, 4, 5, 6, 7])
 117         self.assertEqual(orderedSet([]), [])
 118         self.assertEqual(orderedSet([1]), [1])
 119         #keep the list ordered
 120         self.assertEqual(orderedSet([135, 1, 1, 1]), [135, 1])
 121
 122     def test_unescape_html(self):
 123         self.assertEqual(unescapeHTML(_compat_str('%20;')), _compat_str('%20;'))
 124
 125     def test_daterange(self):
 126         _20century = DateRange("19000101","20000101")
 127         self.assertFalse("17890714" in _20century)
 128         _ac = DateRange("00010101")
 129         self.assertTrue("19690721" in _ac)
 130         _firstmilenium = DateRange(end="10000101")
 131         self.assertTrue("07110427" in _firstmilenium)
 132
 133     def test_unified_dates(self):
 134         self.assertEqual(unified_strdate('December 21, 2010'), '20101221')
 135         self.assertEqual(unified_strdate('8/7/2009'), '20090708')
 136         self.assertEqual(unified_strdate('Dec 14, 2012'), '20121214')
 137         self.assertEqual(unified_strdate('2012/10/11 01:56:38 +0000'), '20121011')
 138         self.assertEqual(unified_strdate('1968-12-10'), '19681210')
 139
 140     def test_find_xpath_attr(self):
 141         testxml = u'''<root>
 142             <node/>
 143             <node x="a"/>
 144             <node x="a" y="c" />
 145             <node x="b" y="d" />
 146         </root>'''
 147         doc = xml.etree.ElementTree.fromstring(testxml)
 148
 149         self.assertEqual(find_xpath_attr(doc, './/fourohfour', 'n', 'v'), None)
 150         self.assertEqual(find_xpath_attr(doc, './/node', 'x', 'a'), doc[1])
 151         self.assertEqual(find_xpath_attr(doc, './/node', 'y', 'c'), doc[2])
 152
 153     def test_meta_parser(self):
 154         testhtml = u'''
 155         <head>
 156             <meta name="description" content="foo &amp; bar">
 157             <meta content='Plato' name='author'/>
 158         </head>
 159         '''
 160         get_meta = lambda name: get_meta_content(name, testhtml)
 161         self.assertEqual(get_meta('description'), u'foo & bar')
 162         self.assertEqual(get_meta('author'), 'Plato')
 163
 164     def test_xpath_with_ns(self):
 165         testxml = u'''<root xmlns:media="http://example.com/">
 166             <media:song>
 167                 <media:author>The Author</media:author>
 168                 <url>http://server.com/download.mp3</url>
 169             </media:song>
 170         </root>'''
 171         doc = xml.etree.ElementTree.fromstring(testxml)
 172         find = lambda p: doc.find(xpath_with_ns(p, {'media': 'http://example.com/'}))
 173         self.assertTrue(find('media:song') is not None)
 174         self.assertEqual(find('media:song/media:author').text, u'The Author')
 175         self.assertEqual(find('media:song/url').text, u'http://server.com/download.mp3')
 176
 177     def test_smuggle_url(self):
 178         data = {u"ö": u"ö", u"abc": [3]}
 179         url = 'https://foo.bar/baz?x=y#a'
 180         smug_url = smuggle_url(url, data)
 181         unsmug_url, unsmug_data = unsmuggle_url(smug_url)
 182         self.assertEqual(url, unsmug_url)
 183         self.assertEqual(data, unsmug_data)
 184
 185         res_url, res_data = unsmuggle_url(url)
 186         self.assertEqual(res_url, url)
 187         self.assertEqual(res_data, None)
 188
 189     def test_shell_quote(self):
 190         args = ['ffmpeg', '-i', encodeFilename(u'ñ€ß\'.mp4')]
 191         self.assertEqual(shell_quote(args), u"""ffmpeg -i 'ñ€ß'"'"'.mp4'""")
 192
 193     def test_str_to_int(self):
 194         self.assertEqual(str_to_int('123,456'), 123456)
 195         self.assertEqual(str_to_int('123.456'), 123456)
 196
 197     def test_url_basename(self):
 198         self.assertEqual(url_basename(u'http://foo.de/'), u'')
 199         self.assertEqual(url_basename(u'http://foo.de/bar/baz'), u'baz')
 200         self.assertEqual(url_basename(u'http://foo.de/bar/baz?x=y'), u'baz')
 201         self.assertEqual(url_basename(u'http://foo.de/bar/baz#x=y'), u'baz')
 202         self.assertEqual(url_basename(u'http://foo.de/bar/baz/'), u'baz')
 203         self.assertEqual(
 204             url_basename(u'http://media.w3.org/2010/05/sintel/trailer.mp4'),
 205             u'trailer.mp4')
 206
 207     def test_parse_duration(self):
 208         self.assertEqual(parse_duration(None), None)
 209         self.assertEqual(parse_duration('1'), 1)
 210         self.assertEqual(parse_duration('1337:12'), 80232)
 211         self.assertEqual(parse_duration('9:12:43'), 33163)
 212         self.assertEqual(parse_duration('12:00'), 720)
 213         self.assertEqual(parse_duration('00:01:01'), 61)
 214         self.assertEqual(parse_duration('x:y'), None)
 215         self.assertEqual(parse_duration('3h11m53s'), 11513)
 216         self.assertEqual(parse_duration('62m45s'), 3765)
 217         self.assertEqual(parse_duration('6m59s'), 419)
 218         self.assertEqual(parse_duration('49s'), 49)
 219         self.assertEqual(parse_duration('0h0m0s'), 0)
 220         self.assertEqual(parse_duration('0m0s'), 0)
 221         self.assertEqual(parse_duration('0s'), 0)
 222
 223     def test_fix_xml_ampersands(self):
 224         self.assertEqual(
 225             fix_xml_ampersands('"&x=y&z=a'), '"&amp;x=y&amp;z=a')
 226         self.assertEqual(
 227             fix_xml_ampersands('"&amp;x=y&wrong;&z=a'),
 228             '"&amp;x=y&amp;wrong;&amp;z=a')
 229         self.assertEqual(
 230             fix_xml_ampersands('&amp;&apos;&gt;&lt;&quot;'),
 231             '&amp;&apos;&gt;&lt;&quot;')
 232         self.assertEqual(
 233             fix_xml_ampersands('&#1234;&#x1abC;'), '&#1234;&#x1abC;')
 234         self.assertEqual(fix_xml_ampersands('&#&#'), '&amp;#&amp;#')
 235
 236     def test_paged_list(self):
 237         def testPL(size, pagesize, sliceargs, expected):
 238             def get_page(pagenum):
 239                 firstid = pagenum * pagesize
 240                 upto = min(size, pagenum * pagesize + pagesize)
 241                 for i in range(firstid, upto):
 242                     yield i
 243
 244             pl = PagedList(get_page, pagesize)
 245             got = pl.getslice(*sliceargs)
 246             self.assertEqual(got, expected)
 247
 248         testPL(5, 2, (), [0, 1, 2, 3, 4])
 249         testPL(5, 2, (1,), [1, 2, 3, 4])
 250         testPL(5, 2, (2,), [2, 3, 4])
 251         testPL(5, 2, (4,), [4])
 252         testPL(5, 2, (0, 3), [0, 1, 2])
 253         testPL(5, 2, (1, 4), [1, 2, 3])
 254         testPL(5, 2, (2, 99), [2, 3, 4])
 255         testPL(5, 2, (20, 99), [])
 256
 257     def test_struct_unpack(self):
 258         self.assertEqual(struct_unpack(u'!B', b'\x00'), (0,))
 259
 260     def test_read_batch_urls(self):
 261         f = io.StringIO(u'''\xef\xbb\xbf foo
 262             bar\r
 263             baz
 264             # More after this line\r
 265             ; or after this
 266             bam''')
 267         self.assertEqual(read_batch_urls(f), [u'foo', u'bar', u'baz', u'bam'])
 268
 269     def test_urlencode_postdata(self):
 270         data = urlencode_postdata({'username': 'foo@bar.com', 'password': '1234'})
 271         self.assertTrue(isinstance(data, bytes))
 272
 273     def test_parse_iso8601(self):
 274         self.assertEqual(parse_iso8601('2014-03-23T23:04:26+0100'), 1395612266)
 275         self.assertEqual(parse_iso8601('2014-03-23T22:04:26+0000'), 1395612266)
 276         self.assertEqual(parse_iso8601('2014-03-23T22:04:26Z'), 1395612266)
 277
 278     def test_strip_jsonp(self):
 279         stripped = strip_jsonp('cb ([ {"id":"532cb",\n\n\n"x":\n3}\n]\n);')
 280         d = json.loads(stripped)
 281         self.assertEqual(d, [{"id": "532cb", "x": 3}])
 282
 283     def test_uppercase_escpae(self):
 284         self.assertEqual(uppercase_escape(u'aä'), u'aä')
 285         self.assertEqual(uppercase_escape(u'\\U0001d550'), u'𝕐')
 286
 287 if __name__ == '__main__':
 288     unittest.main()