def test_Surcharge(): assert_equal(0.0, Surcharge.get_surcharge_percentage()) assert_equal(1.0, Surcharge.get_factor()) assert_equal(0.0, Surcharge.get_surcharge_percentage()) assert_equal(1, Surcharge.objects.count()) Surcharge.objects.filter(id=1).update(surcharge_percentage=2.35, order_surcharge=23.50) assert_equal(2.35, Surcharge.get_surcharge_percentage()) assert_equal(1.0235, Surcharge.get_factor()) assert_equal(23.50, Surcharge.get_order_surcharge())