/tests/modeltests/properties/tests.py

 1from django.test import TestCase
 2from models import Person
 3
 4class PropertyTests(TestCase):
 5
 6    def setUp(self):
 7        self.a = Person(first_name='John', last_name='Lennon')
 8        self.a.save()
 9
10    def test_getter(self):
11        self.assertEqual(self.a.full_name, 'John Lennon')
12
13    def test_setter(self):
14        # The "full_name" property hasn't provided a "set" method.
15        self.assertRaises(AttributeError, setattr, self.a, 'full_name', 'Paul McCartney')
16
17        # But "full_name_2" has, and it can be used to initialise the class.
18        a2 = Person(full_name_2 = 'Paul McCartney')
19        a2.save()
20        self.assertEqual(a2.first_name, 'Paul')