Method test_only_split_on_cr_lf

Lib/test/test_email/test_parser.py:38–68

(self)

class TestParserBase:

    def test_only_split_on_cr_lf(self):
        # The unicode line splitter splits on unicode linebreaks, which are
        # more numerous than allowed by the email RFCs; make sure we are only
        # splitting on those two.
        for parser in self.parsers:
            with self.subTest(parser=parser.__name__):
                msg = parser(
                    "Next-Line: not\x85broken\r\n"
                    "Null: not\x00broken\r\n"
                    "Vertical-Tab: not\vbroken\r\n"
                    "Form-Feed: not\fbroken\r\n"
                    "File-Separator: not\x1Cbroken\r\n"
                    "Group-Separator: not\x1Dbroken\r\n"
                    "Record-Separator: not\x1Ebroken\r\n"
                    "Line-Separator: not\u2028broken\r\n"
                    "Paragraph-Separator: not\u2029broken\r\n"
                    "\r\n",
                    policy=default,
                )
                self.assertEqual(msg.items(), [
                    ("Next-Line", "not\x85broken"),
                    ("Null", "not\x00broken"),
                    ("Vertical-Tab", "not\vbroken"),
                    ("Form-Feed", "not\fbroken"),
                    ("File-Separator", "not\x1Cbroken"),
                    ("Group-Separator", "not\x1Dbroken"),
                    ("Record-Separator", "not\x1Ebroken"),
                    ("Line-Separator", "not\u2028broken"),
                    ("Paragraph-Separator", "not\u2029broken"),
                ])
                self.assertEqual(msg.get_payload(), "")

    class MyMessage(EmailMessage):
        pass