def related_users_for_publication(request, publication_id):
     """Return users related to the user with given id."""
     publication = Publication.objects.get(id=publication_id)
     users = search.get_related_users_for_publication(publication)
     values = {'users': users}
     return RestView.render_response(request, 'users', values)
 def test_related_users(self):
     users = get_related_users_for_publication(self.pub1)
     self.assertEqual([self.owner], users)