text: import requests
  from unittest import TestCase
  from unittest.mock import patch
  
  from . import BackendTestMixin
  from embed_video.backends import VimeoBackend, VideoDoesntExistException
  
  
  class VimeoBackendTestCase(BackendTestMixin, TestCase):
      urls = (
          ('http://vimeo.com/72304002', '72304002'),
          ('https://vimeo.com/72304002', '72304002'),
          ('http://www.vimeo.com/72304002', '72304002'),
          ('https://www.vimeo.com/72304002', '72304002'),
          ('http://player.vimeo.com/video/72304002', '72304002'),
          ('https://player.vimeo.com/video/72304002', '72304002'),
          ('http://www.vimeo.com/channels/staffpick/72304002', '72304002'),
          ('https://www.vimeo.com/channels/staffpick/72304002', '72304002'),
      )
  
      instance = VimeoBackend
  
      def test_vimeo_get_info_exception(self):
          with self.assertRaises(VideoDoesntExistException):
              backend = VimeoBackend('https://vimeo.com/123')
              backend.get_info()
  
      def test_get_thumbnail_url(self):
          backend = VimeoBackend('https://vimeo.com/72304002')
          self.assertEqual(backend.get_thumbnail_url(),
                           'https://i.vimeocdn.com/video/446150690_640.jpg')
  
      @patch('embed_video.backends.EMBED_VIDEO_TIMEOUT', 0.000001)
      def test_timeout_in_get_info(self):
          backend = VimeoBackend('https://vimeo.com/72304002')
          self.assertRaises(requests.Timeout, backend.get_info)
  