new_contents: """Tests for the management commands"""
  from __future__ import absolute_import
  from django.conf import settings
  from django.core import management
  from importlib import import_module
  
  from django_cas_ng.models import SessionTicket, ProxyGrantingTicket
  
  import pytest
  
  SessionStore = import_module(settings.SESSION_ENGINE).SessionStore
  
  
  @pytest.mark.django_db
  def test_command_clean_session(django_user_model):
      # Use the configured session store to generate a fake session
      session = SessionStore()
      session['fake_session'] = 'fake-session'
      session.save()
      assert SessionStore(session_key=session.session_key) is not None
  
      # Create a fake session ticket and make sure it exists in the db
      session_ticket = SessionTicket.objects.create(
          session_key=session.session_key,
          ticket='fake-ticket'
      )
      assert session_ticket is not None
      assert SessionTicket.objects.filter(session_key=session.session_key,
                                          ticket='fake-ticket').exists() is True
  
      # Create a fake user for the proxy granting ticket
      user = django_user_model.objects.create(username='test-user', email='test@example.com')
      assert user is not None
      assert django_user_model.objects.filter(username='test-user').exists() is True
  
      # Create a fake pgt
      pgt = ProxyGrantingTicket.objects.create(session_key=session.session_key,
                                         user=user, pgtiou='fake-ticket-iou',
                                         pgt='fake-ticket')
      assert pgt is not None
      assert ProxyGrantingTicket.objects.filter(session_key=session.session_key,
                                         user=user, pgtiou='fake-ticket-iou',
                                         pgt='fake-ticket').exists() is True
  
  
      # Call the clean sessions command and make sure things are cleaned up
      management.call_command('django_cas_ng_clean_sessions')
      assert SessionTicket.objects.filter(session_key=session.session_key,
                                          ticket='fake-ticket').exists() is False
      assert ProxyGrantingTicket.objects.filter(session_key=session.session_key,
                                         user=user, pgtiou='fake-ticket-iou',
                                         pgt='fake-ticket').exists() is False
  
subject: Add the management commands unit tests.