test_pulldom.py 文件源码

def testSAX2DOM(self):
        """Ensure SAX2DOM expands nodes as expected."""
        sax2dom = pulldom.SAX2DOM()
        sax2dom.startDocument()
        sax2dom.startElement("doc", {})
        sax2dom.characters("text")
        sax2dom.startElement("subelm", {})
        sax2dom.characters("text")
        sax2dom.endElement("subelm")
        sax2dom.characters("text")
        sax2dom.endElement("doc")
        sax2dom.endDocument()

        doc = sax2dom.document
        root = doc.documentElement
        (text1, elm1, text2) = root.childNodes
        text3 = elm1.childNodes[0]

        self.assertIsNone(text1.previousSibling)
        self.assertIs(text1.nextSibling, elm1)
        self.assertIs(elm1.previousSibling, text1)
        self.assertIs(elm1.nextSibling, text2)
        self.assertIs(text2.previousSibling, elm1)
        self.assertIsNone(text2.nextSibling)
        self.assertIsNone(text3.previousSibling)
        self.assertIsNone(text3.nextSibling)

        self.assertIs(root.parentNode, doc)
        self.assertIs(text1.parentNode, root)
        self.assertIs(elm1.parentNode, root)
        self.assertIs(text2.parentNode, root)
        self.assertIs(text3.parentNode, elm1)
        doc.unlink()