roundcubemail/tests/Framework/Mime.php

<?php

/**
 * Test class to test rcube_mime class
 *
 * @package Tests
 */
class Framework_Mime extends PHPUnit_Framework_TestCase
{

    /**
     * Test decoding of single e-mail address strings
     * Uses rcube_mime::decode_address_list()
     */
    function test_decode_single_address()
    {
        $headers = array(
            0  => 'test@domain.tld',
            1  => '<test@domain.tld>',
            2  => 'Test <test@domain.tld>',
            3  => 'Test Test <test@domain.tld>',
            4  => 'Test Test<test@domain.tld>',
            5  => '"Test Test" <test@domain.tld>',
            6  => '"Test Test"<test@domain.tld>',
            7  => '"Test \\" Test" <test@domain.tld>',
            8  => '"Test<Test" <test@domain.tld>',
            9  => '=?ISO-8859-1?B?VGVzdAo=?= <test@domain.tld>',
            10 => '=?ISO-8859-1?B?VGVzdAo=?=<test@domain.tld>', // #1487068
            // comments in address (#1487673)
            11 => 'Test (comment) <test@domain.tld>',
            12 => '"Test" (comment) <test@domain.tld>',
            13 => '"Test (comment)" (comment) <test@domain.tld>',
            14 => '(comment) <test@domain.tld>',
            15 => 'Test <test@(comment)domain.tld>',
            16 => 'Test Test ((comment)) <test@domain.tld>',
            17 => 'test@domain.tld (comment)',
            18 => '"Test,Test" <test@domain.tld>',
            // 1487939
            19 => 'Test <"test test"@domain.tld>',
            20 => '<"test test"@domain.tld>',
            21 => '"test test"@domain.tld',
        );

        $results = array(
            0  => array(1, '', 'test@domain.tld'),
            1  => array(1, '', 'test@domain.tld'),
            2  => array(1, 'Test', 'test@domain.tld'),
            3  => array(1, 'Test Test', 'test@domain.tld'),
            4  => array(1, 'Test Test', 'test@domain.tld'),
            5  => array(1, 'Test Test', 'test@domain.tld'),
            6  => array(1, 'Test Test', 'test@domain.tld'),
            7  => array(1, 'Test " Test', 'test@domain.tld'),
            8  => array(1, 'Test<Test', 'test@domain.tld'),
            9  => array(1, 'Test', 'test@domain.tld'),
            10 => array(1, 'Test', 'test@domain.tld'),
            11 => array(1, 'Test', 'test@domain.tld'),
            12 => array(1, 'Test', 'test@domain.tld'),
            13 => array(1, 'Test (comment)', 'test@domain.tld'),
            14 => array(1, '', 'test@domain.tld'),
            15 => array(1, 'Test', 'test@domain.tld'),
            16 => array(1, 'Test Test', 'test@domain.tld'),
            17 => array(1, '', 'test@domain.tld'),
            18 => array(1, 'Test,Test', 'test@domain.tld'),
            19 => array(1, 'Test', '"test test"@domain.tld'),
            20 => array(1, '', '"test test"@domain.tld'),
            21 => array(1, '', '"test test"@domain.tld'),
        );

        foreach ($headers as $idx => $header) {
            $res = rcube_mime::decode_address_list($header);

            $this->assertEquals($results[$idx][0], count($res), "Rows number in result for header: " . $header);
            $this->assertEquals($results[$idx][1], $res[1]['name'], "Name part decoding for header: " . $header);
            $this->assertEquals($results[$idx][2], $res[1]['mailto'], "Email part decoding for header: " . $header);
        }
    }

    /**
     * Test decoding of header values
     * Uses rcube_mime::decode_mime_string()
     */
    function test_header_decode_qp()
    {
        $test = array(
            // #1488232: invalid character "?"
            'quoted-printable (1)' => array(
                'in'  => '=?utf-8?Q?Certifica=C3=A7=C3=A3??=',
                'out' => 'Certifica=C3=A7=C3=A3?',
            ),
            'quoted-printable (2)' => array(
                'in'  => '=?utf-8?Q?Certifica=?= =?utf-8?Q?C3=A7=C3=A3?=',
                'out' => 'Certifica=C3=A7=C3=A3',
            ),
            'quoted-printable (3)' => array(
                'in'  => '=?utf-8?Q??= =?utf-8?Q??=',
                'out' => '',
            ),
            'quoted-printable (4)' => array(
                'in'  => '=?utf-8?Q??= a =?utf-8?Q??=',
                'out' => ' a ',
            ),
            'quoted-printable (5)' => array(
                'in'  => '=?utf-8?Q?a?= =?utf-8?Q?b?=',
                'out' => 'ab',
            ),
            'quoted-printable (6)' => array(
                'in'  => '=?utf-8?Q?   ?= =?utf-8?Q?a?=',
                'out' => '   a',
            ),
            'quoted-printable (7)' => array(
                'in'  => '=?utf-8?Q?___?= =?utf-8?Q?a?=',
                'out' => '   a',
            ),
        );

        foreach ($test as $idx => $item) {
            $res = rcube_mime::decode_mime_string($item['in'], 'UTF-8');
            $res = quoted_printable_encode($res);

            $this->assertEquals($item['out'], $res, "Header decoding for: " . $idx);
        }
    }

    /**
     * Test format=flowed unfolding
     */
    function test_format_flowed()
    {
        $raw = file_get_contents(TESTS_DIR . 'src/format-flowed-unfolded.txt');
        $flowed = file_get_contents(TESTS_DIR . 'src/format-flowed.txt');

        $this->assertEquals($flowed, rcube_mime::format_flowed($raw, 80), "Test correct folding and space-stuffing");
    }

    /**
     * Test format=flowed unfolding
     */
    function test_unfold_flowed()
    {
        $flowed = file_get_contents(TESTS_DIR . 'src/format-flowed.txt');
        $unfolded = file_get_contents(TESTS_DIR . 'src/format-flowed-unfolded.txt');

        $this->assertEquals($unfolded, rcube_mime::unfold_flowed($flowed), "Test correct unfolding of quoted lines");
    }
}