core: separate expiry logic from tokens and make re-usable

passbook/core/tests/tests_tasks.py

@@ -1,10 +1,10 @@
-"""passbook user view tests"""
+"""passbook core task tests"""
 from django.test import TestCase
 from django.utils.timezone import now
 from guardian.shortcuts import get_anonymous_user
 
 from passbook.core.models import Token
-from passbook.core.tasks import clean_tokens
+from passbook.core.tasks import clean_expired_models
 
 
 class TestTasks(TestCase):
@@ -14,5 +14,5 @@ class TestTasks(TestCase):
         """Test Token cleanup task"""
         Token.objects.create(expires=now(), user=get_anonymous_user())
         self.assertEqual(Token.objects.all().count(), 1)
-        clean_tokens()
+        clean_expired_models()
         self.assertEqual(Token.objects.all().count(), 0)