Allow ampersand right after ? in youtube URLs (Closes #602)

test/test_all_urls.py

@@ -0,0 +1,27 @@
+#!/usr/bin/env python
+
+import sys
+import unittest
+
+# Allow direct execution
+import os
+sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+
+from youtube_dl.InfoExtractors import YoutubeIE, YoutubePlaylistIE
+
+class TestAllURLsMatching(unittest.TestCase):
+    def test_youtube_playlist_matching(self):
+        self.assertTrue(YoutubePlaylistIE().suitable(u'ECUl4u3cNGP61MdtwGTqZA0MreSaDybji8'))
+        self.assertTrue(YoutubePlaylistIE().suitable(u'PL63F0C78739B09958'))
+        self.assertFalse(YoutubePlaylistIE().suitable(u'PLtS2H6bU1M'))
+
+    def test_youtube_matching(self):
+        self.assertTrue(YoutubeIE().suitable(u'PLtS2H6bU1M'))
+
+    def test_youtube_extract(self):
+        self.assertEqual(YoutubeIE()._extract_id('http://www.youtube.com/watch?&v=BaW_jenozKc'), 'BaW_jenozKc')
+        self.assertEqual(YoutubeIE()._extract_id('https://www.youtube.com/watch?&v=BaW_jenozKc'), 'BaW_jenozKc')
+        self.assertEqual(YoutubeIE()._extract_id('https://www.youtube.com/watch?feature=player_embedded&v=BaW_jenozKc'), 'BaW_jenozKc')
+
+if __name__ == '__main__':
+    unittest.main()