def test_xml(self): rootTag = 'Root' root = Node(rootTag) firstLevelTag = 'FirstLevel' firstLevel = Node(firstLevelTag) root += firstLevel firstLevel2 = Node(firstLevelTag) root += firstLevel2 firstLevel2ndTag = 'FirstLevel2ndTag' firstLevel3 = Node(firstLevel2ndTag) root += firstLevel3 self.assertEqual(root.xml(), ('<Root>\n' ' <FirstLevel/>\n' ' <FirstLevel/>\n' ' <FirstLevel2ndTag/>\n' '</Root>\n'),)