new_contents: # tests.test_update_languagess
  # coding=utf-8
  
  from __future__ import unicode_literals
  
  import nose.tools as nose
  from mock import patch
  
  import utilities.update_languages as update_langs
  from tests import set_up, tear_down
  from tests.decorators import redirect_stdout_unicode
  
  
  @nose.with_setup(set_up, tear_down)
  @patch('sys.argv', [update_langs.__file__, 'swe'])
  @patch('utilities.update_languages.update_language')
  @redirect_stdout_unicode
  def test_update_languages(out, update_language):
      """should perform all necessary steps to update all languages"""
      update_langs.update_languages()
      nose.assert_equal(update_language.call_count, 21)
  
  
  @nose.with_setup(set_up, tear_down)
  @patch('sys.argv', [update_langs.__file__, 'swe'])
  @patch('utilities.update_languages.update_languages')
  @redirect_stdout_unicode
  def test_main(out, update_languages):
      """main function should pass correct arguments to update_languages"""
      update_langs.main()
      update_languages.assert_called_once_with()
  
  
  @patch('utilities.update_languages.update_languages',
         side_effect=KeyboardInterrupt)
  @redirect_stdout_unicode
  def test_main_keyboardinterrupt(out, update_languages):
      """main function should quit gracefully when ^C is pressed"""
      nose.assert_is_none(update_langs.main())
  
subject: Add tests for update_languages utility