Method test_5027_2

Lib/test/test_sax.py:737–763

(self)

                         '</a:g1>'))

    def test_5027_2(self):
        # The xml prefix (as in xml:lang below) is reserved and bound by
        # definition to http://www.w3.org/XML/1998/namespace.  XMLGenerator had
        # a bug whereby a KeyError is raised because this namespace is missing
        # from a dictionary.
        #
        # This test demonstrates the bug by direct manipulation of the
        # XMLGenerator.
        result = self.ioclass()
        gen = XMLGenerator(result)

        gen.startDocument()
        gen.startPrefixMapping('a', 'http://example.com/ns')
        gen.startElementNS(('http://example.com/ns', 'g1'), 'g1', {})
        lang_attr = {('http://www.w3.org/XML/1998/namespace', 'lang'): 'en'}
        gen.startElementNS(('http://example.com/ns', 'g2'), 'g2', lang_attr)
        gen.characters('Hello')
        gen.endElementNS(('http://example.com/ns', 'g2'), 'g2')
        gen.endElementNS(('http://example.com/ns', 'g1'), 'g1')
        gen.endPrefixMapping('a')
        gen.endDocument()

        self.assertEqual(result.getvalue(),
                         self.xml(
                         '<a:g1 xmlns:a="http://example.com/ns">'
                          '<a:g2 xml:lang="en">Hello</a:g2>'
                         '</a:g1>'))

    def test_no_close_file(self):
        result = self.ioclass()