text: #!/usr/bin/env python
  
  from __future__ import unicode_literals
  
  # Allow direct execution
  import os
  import sys
  import unittest
  import collections
  sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
  
  
  from test.helper import gettestcases
  
  from youtube_dl.extractor import (
      FacebookIE,
      gen_extractors,
      YoutubeIE,
  )
  
  
  class TestAllURLsMatching(unittest.TestCase):
      def setUp(self):
          self.ies = gen_extractors()
  
      def matching_ies(self, url):
          return [ie.IE_NAME for ie in self.ies if ie.suitable(url) and ie.IE_NAME != 'generic']
  
      def assertMatch(self, url, ie_list):
          self.assertEqual(self.matching_ies(url), ie_list)
  
      def test_youtube_playlist_matching(self):
          assertPlaylist = lambda url: self.assertMatch(url, ['youtube:playlist'])
          assertTab = lambda url: self.assertMatch(url, ['youtube:tab'])
          assertPlaylist('ECUl4u3cNGP61MdtwGTqZA0MreSaDybji8')
          assertPlaylist('UUBABnxM4Ar9ten8Mdjj1j0Q')  # 585
          assertPlaylist('PL63F0C78739B09958')
          assertTab('https://www.youtube.com/playlist?list=UUBABnxM4Ar9ten8Mdjj1j0Q')
          assertPlaylist('https://www.youtube.com/course?list=ECUl4u3cNGP61MdtwGTqZA0MreSaDybji8')
          assertTab('https://www.youtube.com/playlist?list=PLwP_SiAcdui0KVebT0mU9Apz359a4ubsC')
          assertTab('https://www.youtube.com/watch?v=AV6J6_AeFEQ&playnext=1&list=PL4023E734DA416012')  # 668
          self.assertFalse('youtube:playlist' in self.matching_ies('PLtS2H6bU1M'))
          # Top tracks
          assertTab('https://www.youtube.com/playlist?list=MCUS.20142101')
  
      def test_youtube_matching(self):
          self.assertTrue(YoutubeIE.suitable('PLtS2H6bU1M'))
          self.assertFalse(YoutubeIE.suitable('https://www.youtube.com/watch?v=AV6J6_AeFEQ&playnext=1&list=PL4023E734DA416012'))  # 668
          self.assertMatch('http://youtu.be/BaW_jenozKc', ['youtube'])
          self.assertMatch('http://www.youtube.com/v/BaW_jenozKc', ['youtube'])
          self.assertMatch('https://youtube.googleapis.com/v/BaW_jenozKc', ['youtube'])
          self.assertMatch('http://www.cleanvideosearch.com/media/action/yt/watch?videoId=8v_4O44sfjM', ['youtube'])
  
      def test_youtube_channel_matching(self):
          assertChannel = lambda url: self.assertMatch(url, ['youtube:tab'])
          assertChannel('https://www.youtube.com/channel/HCtnHdj3df7iM')
          assertChannel('https://www.youtube.com/channel/HCtnHdj3df7iM?feature=gb_ch_rec')
          assertChannel('https://www.youtube.com/channel/HCtnHdj3df7iM/videos')
  
      # def test_youtube_user_matching(self):
      #     self.assertMatch('http://www.youtube.com/NASAgovVideo/videos', ['youtube:tab'])
  
      def test_youtube_feeds(self):
          self.assertMatch('https://www.youtube.com/feed/watch_later', ['youtube:watchlater'])
          self.assertMatch('https://www.youtube.com/feed/subscriptions', ['youtube:subscriptions'])
          self.assertMatch('https://www.youtube.com/feed/recommended', ['youtube:recommended'])
  
      # def test_youtube_search_matching(self):
      #     self.assertMatch('http://www.youtube.com/results?search_query=making+mustard', ['youtube:search_url'])
      #     self.assertMatch('https://www.youtube.com/results?baz=bar&search_query=youtube-dl+test+video&filters=video&lclk=video', ['youtube:search_url'])
  
      def test_youtube_extract(self):
          assertExtractId = lambda url, id: self.assertEqual(YoutubeIE.extract_id(url), id)
          assertExtractId('http://www.youtube.com/watch?&v=BaW_jenozKc', 'BaW_jenozKc')
          assertExtractId('https://www.youtube.com/watch?&v=BaW_jenozKc', 'BaW_jenozKc')
          assertExtractId('https://www.youtube.com/watch?feature=player_embedded&v=BaW_jenozKc', 'BaW_jenozKc')
          assertExtractId('https://www.youtube.com/watch_popup?v=BaW_jenozKc', 'BaW_jenozKc')
          assertExtractId('http://www.youtube.com/watch?v=BaW_jenozKcsharePLED17F32AD9753930', 'BaW_jenozKc')
          assertExtractId('BaW_jenozKc', 'BaW_jenozKc')
  
      def test_facebook_matching(self):
          self.assertTrue(FacebookIE.suitable('https://www.facebook.com/Shiniknoh#!/photo.php?v=10153317450565268'))
          self.assertTrue(FacebookIE.suitable('https://www.facebook.com/cindyweather?fref=ts#!/photo.php?v=10152183998945793'))
  
      def test_no_duplicates(self):
          ies = gen_extractors()
          for tc in gettestcases(include_onlymatching=True):
              url = tc['url']
              for ie in ies:
                  if type(ie).__name__ in ('GenericIE', tc['name'] + 'IE'):
                      self.assertTrue(ie.suitable(url), '%s should match URL %r' % (type(ie).__name__, url))
                  else:
                      self.assertFalse(
                          ie.suitable(url),
                          '%s should not match URL %r . That URL belongs to %s.' % (type(ie).__name__, url, tc['name']))
  
      def test_keywords(self):
          self.assertMatch(':ytsubs', ['youtube:subscriptions'])
          self.assertMatch(':ytsubscriptions', ['youtube:subscriptions'])
          self.assertMatch(':ythistory', ['youtube:history'])
  
      def test_vimeo_matching(self):
          self.assertMatch('https://vimeo.com/channels/tributes', ['vimeo:channel'])
          self.assertMatch('https://vimeo.com/channels/31259', ['vimeo:channel'])
          self.assertMatch('https://vimeo.com/channels/31259/53576664', ['vimeo'])
          self.assertMatch('https://vimeo.com/user7108434', ['vimeo:user'])
          self.assertMatch('https://vimeo.com/user7108434/videos', ['vimeo:user'])
          self.assertMatch('https://vimeo.com/user21297594/review/75524534/3c257a1b5d', ['vimeo:review'])
  
      # https://github.com/ytdl-org/youtube-dl/issues/1930
      def test_soundcloud_not_matching_sets(self):
          self.assertMatch('http://soundcloud.com/floex/sets/gone-ep', ['soundcloud:set'])
  
      def test_tumblr(self):
          self.assertMatch('http://tatianamaslanydaily.tumblr.com/post/54196191430/orphan-black-dvd-extra-behind-the-scenes', ['Tumblr'])
          self.assertMatch('http://tatianamaslanydaily.tumblr.com/post/54196191430', ['Tumblr'])
  
      def test_pbs(self):
          # https://github.com/ytdl-org/youtube-dl/issues/2350
          self.assertMatch('http://video.pbs.org/viralplayer/2365173446/', ['pbs'])
          self.assertMatch('http://video.pbs.org/widget/partnerplayer/980042464/', ['pbs'])
  
      def test_no_duplicated_ie_names(self):
          name_accu = collections.defaultdict(list)
          for ie in self.ies:
              name_accu[ie.IE_NAME.lower()].append(type(ie).__name__)
          for (ie_name, ie_list) in name_accu.items():
              self.assertEqual(
                  len(ie_list), 1,
                  'Multiple extractors with the same IE_NAME "%s" (%s)' % (ie_name, ', '.join(ie_list)))
  
  
  if __name__ == '__main__':
      unittest.main()
  