[generic] Support embedded vimeo videos (#1602)

test/test_utils.py

@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+# coding: utf-8
 
 # Allow direct execution
 import os
@@ -21,6 +22,8 @@ from youtube_dl.utils import (
     find_xpath_attr,
     get_meta_content,
     xpath_with_ns,
+    smuggle_url,
+    unsmuggle_url,
 )
 
 if sys.version_info < (3, 0):
@@ -155,5 +158,18 @@ class TestUtil(unittest.TestCase):
         self.assertEqual(find('media:song/media:author').text, u'The Author')
         self.assertEqual(find('media:song/url').text, u'http://server.com/download.mp3')
 
+    def test_smuggle_url(self):
+        data = {u"ö": u"ö", u"abc": [3]}
+        url = 'https://foo.bar/baz?x=y#a'
+        smug_url = smuggle_url(url, data)
+        unsmug_url, unsmug_data = unsmuggle_url(smug_url)
+        self.assertEqual(url, unsmug_url)
+        self.assertEqual(data, unsmug_data)
+
+        res_url, res_data = unsmuggle_url(url)
+        self.assertEqual(res_url, url)
+        self.assertEqual(res_data, None)
+
+
 if __name__ == '__main__':
     unittest.main()