Method test_message_rfc822_only

Lib/test/test_email/test_email.py:218–228

(self)

        # XXX: there ought to be tests of the uniqueness of the boundary, too.

    def test_message_rfc822_only(self):
        # Issue 7970: message/rfc822 not in multipart parsed by
        # HeaderParser caused an exception when flattened.
        with openfile('msg_46.txt', encoding="utf-8") as fp:
            msgdata = fp.read()
        parser = HeaderParser()
        msg = parser.parsestr(msgdata)
        out = StringIO()
        gen = Generator(out, True, 0)
        gen.flatten(msg, False)
        self.assertEqual(out.getvalue(), msgdata)

    def test_byte_message_rfc822_only(self):
        # Make sure new bytes header parser also passes this.