test_etree.py 文件源码

def test_parser_target_pi(self):
        events = []
        class Target(object):
            def start(self, tag, attrib):
                events.append("start-" + tag)
            def end(self, tag):
                events.append("end-" + tag)
            def data(self, data):
                events.append("data-" + data)
            def pi(self, target, data):
                events.append("pi-" + target + "-" + data)
            def close(self):
                return "DONE"

        parser = self.etree.XMLParser(target=Target())

        parser.feed(_bytes('<?test a?><root>A<?test b?>B</root><?test c?>'))
        done = parser.close()

        self.assertEqual("DONE", done)
        self.assertEqual(["pi-test-a", "start-root", "data-A", "pi-test-b",
                           "data-B", "end-root", "pi-test-c"],
                          events)