Method test_sanitize_address

tests/mail/tests.py:2782–2874

Email addresses are properly sanitized.

(self)

    @ignore_warnings(category=RemovedInDjango70Warning)
    def test_sanitize_address(self):
        """Email addresses are properly sanitized."""
        # Tests the internal sanitize_address() function. Many of these cases
        # are duplicated in test_address_header_handling(), which verifies
        # headers in the generated message.
        from django.core.mail.message import sanitize_address

        for email_address, encoding, expected_result in (
            # ASCII addresses.
            ("to@example.com", "ascii", "to@example.com"),
            ("to@example.com", "utf-8", "to@example.com"),
            (("A name", "to@example.com"), "ascii", "A name <to@example.com>"),
            (
                ("A name", "to@example.com"),
                "utf-8",
                "A name <to@example.com>",
            ),
            ("localpartonly", "ascii", "localpartonly"),
            # ASCII addresses with display names.
            ("A name <to@example.com>", "ascii", "A name <to@example.com>"),
            ("A name <to@example.com>", "utf-8", "A name <to@example.com>"),
            ('"A name" <to@example.com>', "ascii", "A name <to@example.com>"),
            ('"A name" <to@example.com>', "utf-8", "A name <to@example.com>"),
            # Unicode addresses: IDNA encoded domain supported per RFC-5890.
            ("to@éxample.com", "utf-8", "to@xn--xample-9ua.com"),
            # The next three cases should be removed when fixing #35713.
            # (An 'encoded-word' localpart is prohibited by RFC-2047, and not
            # supported by any known mail service.)
            ("tó@example.com", "utf-8", "=?utf-8?b?dMOz?=@example.com"),
            (
                ("Tó Example", "tó@example.com"),
                "utf-8",
                "=?utf-8?q?T=C3=B3_Example?= <=?utf-8?b?dMOz?=@example.com>",
            ),
            (
                "Tó Example <tó@example.com>",
                "utf-8",
                # (Not RFC-2047 compliant.)
                "=?utf-8?q?T=C3=B3_Example?= <=?utf-8?b?dMOz?=@example.com>",
            ),
            # IDNA addresses with display names.
            (
                "To Example <to@éxample.com>",
                "ascii",
                "To Example <to@xn--xample-9ua.com>",
            ),
            (
                "To Example <to@éxample.com>",
                "utf-8",
                "To Example <to@xn--xample-9ua.com>",
            ),
            # Addresses with two @ signs.
            ('"to@other.com"@example.com', "utf-8", r'"to@other.com"@example.com'),
            (
                '"to@other.com" <to@example.com>',
                "utf-8",
                '"to@other.com" <to@example.com>',
            ),