def test_alter_delete(self):
p = ObjectPipe()
section = "all"
res = p.alter_delete(copy(self.obj), section)
self.assertEqual(res, None)
section = ["hostname", "status"]
res = p.alter_delete(copy(self.obj), section)
self.assertFalse(hasattr(res, 'hostname'))
self.assertFalse(hasattr(res, 'status'))
