text: from actstream.models import Action
  
  from mayan.apps.testing.tests.base import GenericViewTestCase
  
  from ..events import (
      event_metadata_type_created, event_metadata_type_edited
  )
  from ..models import MetadataType
  from ..permissions import (
      permission_metadata_type_create, permission_metadata_type_edit
  )
  
  from .mixins import MetadataTypeTestMixin, MetadataTypeViewTestMixin
  
  
  class MetadataTypeEventsTestCase(
      MetadataTypeTestMixin, MetadataTypeViewTestMixin, GenericViewTestCase
  ):
      def test_metadata_type_create_event_no_permission(self):
          Action.objects.all().delete()
  
          response = self._request_test_metadata_type_create_view()
          self.assertEqual(response.status_code, 403)
  
          self.assertEqual(Action.objects.count(), 0)
  
      def test_metadata_type_create_event_with_permissions(self):
          Action.objects.all().delete()
  
          self.grant_permission(permission=permission_metadata_type_create)
  
          response = self._request_test_metadata_type_create_view()
          self.assertEqual(response.status_code, 302)
  
          event = Action.objects.first()
  
          metadata_type = MetadataType.objects.first()
  
          self.assertEqual(event.actor, self._test_case_user)
          self.assertEqual(event.target, metadata_type)
          self.assertEqual(event.verb, event_metadata_type_created.id)
  
      def test_metadata_type_edit_event_no_permission(self):
          self._create_test_metadata_type()
  
          Action.objects.all().delete()
  
          response = self._request_test_metadata_type_edit_view()
          self.assertEqual(response.status_code, 404)
  
          self.assertEqual(Action.objects.count(), 0)
  
      def test_metadata_type_edit_event_with_access(self):
          self._create_test_metadata_type()
  
          Action.objects.all().delete()
  
          self.grant_access(
              obj=self.test_metadata_type, permission=permission_metadata_type_edit
          )
  
          response = self._request_test_metadata_type_edit_view()
  
          self.assertEqual(response.status_code, 302)
  
          event = Action.objects.first()
  
          self.assertEqual(event.actor, self._test_case_user)
          self.assertEqual(event.target, self.test_metadata_type)
          self.assertEqual(event.verb, event_metadata_type_edited.id)
  