old_contents: # -*- coding: utf-8 -*-
  """Unit tests for the :module:`extract <extract>` module."""
  from pytube import extract
  
  
  def test_extract_video_id():
      url = 'https://www.youtube.com/watch?v=9bZkp7q19f0'
      video_id = extract.video_id(url)
      assert video_id == '9bZkp7q19f0'
  
  
  def test_extract_watch_url():
      video_id = '9bZkp7q19f0'
      watch_url = extract.watch_url(video_id)
      assert watch_url == 'https://youtube.com/watch?v=9bZkp7q19f0'
  
  
  def test_info_url(cipher_signature):
      video_info_url = extract.video_info_url(
          video_id=cipher_signature.video_id,
          watch_url=cipher_signature.watch_url,
          watch_html=cipher_signature.watch_html,
      )
      expected = (
          'https://youtube.com/get_video_info?video_id=9bZkp7q19f0&el=%24el'
          '&ps=default&eurl=https%253A%2F%2Fyoutube.com%2Fwatch%253Fv%'
          '253D9bZkp7q19f0&hl=en_US&t=%252C%2522t%2522%253A%25221%2522'
      )
      assert video_info_url == expected
  
  
  def test_js_url(cipher_signature):
      expected = 'https://youtube.com/yts/jsbin/player-vflOdyxa4/en_US/base.js'
      result = extract.js_url(cipher_signature.watch_html)
      assert expected == result
  
  
  def test_age_restricted(age_restricted):
      assert extract.is_age_restricted(age_restricted['watch_html'])
  
  
  def test_non_age_restricted(cipher_signature):
      assert not extract.is_age_restricted(cipher_signature.watch_html)
  
new_contents: # -*- coding: utf-8 -*-
  """Unit tests for the :module:`extract <extract>` module."""
  from pytube import extract
  
  
  def test_extract_video_id():
      url = 'https://www.youtube.com/watch?v=9bZkp7q19f0'
      video_id = extract.video_id(url)
      assert video_id == '9bZkp7q19f0'
  
  
  def test_extract_watch_url():
      video_id = '9bZkp7q19f0'
      watch_url = extract.watch_url(video_id)
      assert watch_url == 'https://youtube.com/watch?v=9bZkp7q19f0'
  
  
  def test_info_url(cipher_signature):
      video_info_url = extract.video_info_url(
          video_id=cipher_signature.video_id,
          watch_url=cipher_signature.watch_url,
          watch_html=cipher_signature.watch_html,
          embed_html='',
          age_restricted=False
      )
      expected = (
          'https://youtube.com/get_video_info?video_id=9bZkp7q19f0&el=%24el'
          '&ps=default&eurl=https%253A%2F%2Fyoutube.com%2Fwatch%253Fv%'
          '253D9bZkp7q19f0&hl=en_US&t=%252C%2522t%2522%253A%25221%2522'
      )
      assert video_info_url == expected
  
  
  def test_js_url(cipher_signature):
      expected = 'https://youtube.com/yts/jsbin/player-vflOdyxa4/en_US/base.js'
      result = extract.js_url(cipher_signature.watch_html)
      assert expected == result
  
  
  def test_age_restricted(age_restricted):
      assert extract.is_age_restricted(age_restricted['watch_html'])
  
  
  def test_non_age_restricted(cipher_signature):
      assert not extract.is_age_restricted(cipher_signature.watch_html)
  
subject: Make test info url pass