def test_padding(self): """test getter/setter for the padding attribute""" node = Tag(wraptext("ref"), wraptext("foobar")) self.assertEqual("", node.padding) node.padding = " " self.assertEqual(" ", node.padding) self.assertEqual("<ref >foobar</ref>", node) node.padding = None self.assertEqual("", node.padding) self.assertEqual("<ref>foobar</ref>", node) self.assertRaises(ValueError, setattr, node, "padding", True)