test_xml_etree.py 文件源码

def test_find_simple(self):
        e = ET.XML(SAMPLE_XML)
        self.assertEqual(e.find('tag').tag, 'tag')
        self.assertEqual(e.find('section/tag').tag, 'tag')
        self.assertEqual(e.find('./tag').tag, 'tag')

        e[2] = ET.XML(SAMPLE_SECTION)
        self.assertEqual(e.find('section/nexttag').tag, 'nexttag')

        self.assertEqual(e.findtext('./tag'), 'text')
        self.assertEqual(e.findtext('section/tag'), 'subtext')

        # section/nexttag is found but has no text
        self.assertEqual(e.findtext('section/nexttag'), '')
        self.assertEqual(e.findtext('section/nexttag', 'default'), '')

        # tog doesn't exist and 'default' kicks in
        self.assertIsNone(e.findtext('tog'))
        self.assertEqual(e.findtext('tog', 'default'), 'default')

        # Issue #16922
        self.assertEqual(ET.XML('<tag><empty /></tag>').findtext('empty'), '')