from django.test import TestCase from .models import Person class SaveDeleteHookTests(TestCase): def test_basic(self): p = Person(first_name="John", last_name="Smith") self.assertEqual(p.data, []) p.save() self.assertEqual(p.data, [ "Before save", "After save", ]) self.assertQuerysetEqual( Person.objects.all(), [ "John Smith", ], str ) p.delete() self.assertEqual(p.data, [ "Before save", "After save", "Before deletion", "After deletion", ]) self.assertQuerysetEqual(Person.objects.all(), [])