old_contents: """
  Unit tests for contentstore signals
  """
  from django.test import TestCase
  from mock import patch
  
  from contentstore.models import Schedule
  from seed_stage_based_messaging import test_utils as utils
  
  
  class ScheduleSignalsTests(TestCase):
      """
      Tests for signals relating to the Schedule model
      """
      @patch('contentstore.tasks.SyncSchedule.scheduler')
      def test_schedule_created(self, scheduler):
          """
          When a schedule is created, then a corresponding schedule should be
          created in the scheduler service, and the ID of that schedule saved
          onto the model.
          """
          scheduler.create_schedule.return_value = {
              'id': '460fa767-2540-4ab7-bfce-e2cf54efdeb2',
          }
          schedule = Schedule.objects.create()
  
          scheduler.create_schedule.assert_called_once_with(
              schedule.scheduler_format)
          schedule.refresh_from_db()
          self.assertEqual(
              str(schedule.scheduler_schedule_id),
              '460fa767-2540-4ab7-bfce-e2cf54efdeb2')
  
      @patch('contentstore.tasks.SyncSchedule.scheduler')
      def test_schedule_modified(self, scheduler):
          """
          When a schedule is created, then a corresponding schedule should be
          created in the scheduler service, and the ID of that schedule saved
          onto the model.
          """
          scheduler.create_schedule.return_value = {
              'id': '460fa767-2540-4ab7-bfce-e2cf54efdeb2',
          }
          schedule = Schedule.objects.create()
          schedule.refresh_from_db()
          schedule.day_of_week = '1'
          schedule.save()
  
          scheduler.update_schedule.assert_called_with(
              '460fa767-2540-4ab7-bfce-e2cf54efdeb2', schedule.scheduler_format)
  
      @patch('contentstore.tasks.DeactivateSchedule.scheduler')
      def test_schedule_deleted(self, scheduler):
          """
          When a schedule is created, then a corresponding schedule should be
          created in the scheduler service, and the ID of that schedule saved
          onto the model.
          """
          utils.disable_signals()
          schedule = Schedule.objects.create()
          schedule.scheduler_schedule_id = '460fa767-2540-4ab7-bfce-e2cf54efdeb2'
          schedule.save()
          utils.enable_signals()
          schedule.delete()
  
          scheduler.update_schedule.assert_called_with(
              '460fa767-2540-4ab7-bfce-e2cf54efdeb2', {'active': False})
  
new_contents: """
  Unit tests for contentstore signals
  """
  from django.test import TestCase
  from mock import patch
  
  from contentstore.models import Schedule
  from seed_stage_based_messaging import test_utils as utils
  
  
  class ScheduleSignalsTests(TestCase):
      """
      Tests for signals relating to the Schedule model
      """
      @patch('contentstore.tasks.SyncSchedule.scheduler')
      def test_schedule_created(self, scheduler):
          """
          When a schedule is created, then a corresponding schedule should be
          created in the scheduler service, and the ID of that schedule saved
          onto the model.
          """
          scheduler.create_schedule.return_value = {
              'id': '460fa767-2540-4ab7-bfce-e2cf54efdeb2',
          }
          schedule = Schedule.objects.create()
  
          scheduler.create_schedule.assert_called_once_with(
              schedule.scheduler_format)
          schedule.refresh_from_db()
          self.assertEqual(
              str(schedule.scheduler_schedule_id),
              '460fa767-2540-4ab7-bfce-e2cf54efdeb2')
  
      @patch('contentstore.tasks.SyncSchedule.scheduler')
      def test_schedule_modified(self, scheduler):
          """
          When a schedule is modified, then the corresponding schedule should be
          updated in the scheduler service.
          """
          scheduler.create_schedule.return_value = {
              'id': '460fa767-2540-4ab7-bfce-e2cf54efdeb2',
          }
          schedule = Schedule.objects.create()
          schedule.refresh_from_db()
          schedule.day_of_week = '1'
          schedule.save()
  
          scheduler.update_schedule.assert_called_with(
              '460fa767-2540-4ab7-bfce-e2cf54efdeb2', schedule.scheduler_format)
  
      @patch('contentstore.tasks.DeactivateSchedule.scheduler')
      def test_schedule_deleted(self, scheduler):
          """
          When a schedule is deleted, then the corresponding schedule should be
          deactivated in the scheduler service.
          """
          utils.disable_signals()
          schedule = Schedule.objects.create()
          schedule.scheduler_schedule_id = '460fa767-2540-4ab7-bfce-e2cf54efdeb2'
          schedule.save()
          utils.enable_signals()
          schedule.delete()
  
          scheduler.update_schedule.assert_called_with(
              '460fa767-2540-4ab7-bfce-e2cf54efdeb2', {'active': False})
  
subject: Correct test docstrings