MailUtilityTest.php

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<?php
namespace TYPO3\CMS\Core\Tests\Unit\Utility;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

class MailUtilityTest extends \TYPO3\CMS\Core\Tests\UnitTestCase
{
    protected $singletonInstances = [];

    protected function setUp()
    {
        $this->singletonInstances = \TYPO3\CMS\Core\Utility\GeneralUtility::getSingletonInstances();
    }

    protected function tearDown()
    {
        \TYPO3\CMS\Core\Utility\GeneralUtility::resetSingletonInstances($this->singletonInstances);
        parent::tearDown();
    }

    public function breakLinesForEmailReturnsEmptyStringIfEmptryStringIsGiven()
    {
        $this->assertEmpty(\TYPO3\CMS\Core\Utility\MailUtility::breakLinesForEmail(''));
    }

    public function breakLinesForEmailReturnsOneLineIfCharWithIsNotExceeded()
    {
        $newlineChar = LF;
        $lineWidth = 76;
        $str = 'This text is not longer than 76 chars and therefore will not be broken.';
        $returnString = \TYPO3\CMS\Core\Utility\MailUtility::breakLinesForEmail($str, $newlineChar, $lineWidth);
        $this->assertEquals(1, count(explode($newlineChar, $returnString)));
    }

    public function breakLinesForEmailBreaksTextIfCharWithIsExceeded()
    {
        $newlineChar = LF;
        $lineWidth = 50;
        $str = 'This text is longer than 50 chars and therefore will be broken.';
        $returnString = \TYPO3\CMS\Core\Utility\MailUtility::breakLinesForEmail($str, $newlineChar, $lineWidth);
        $this->assertEquals(2, count(explode($newlineChar, $returnString)));
    }

    public function breakLinesForEmailBreaksTextWithNoSpaceFoundBeforeLimit()
    {
        $newlineChar = LF;
        $lineWidth = 10;
        // first space after 20 chars (more than $lineWidth)
        $str = 'abcdefghijklmnopqrst uvwxyz 123456';
        $returnString = \TYPO3\CMS\Core\Utility\MailUtility::breakLinesForEmail($str, $newlineChar, $lineWidth);
        $this->assertEquals($returnString, 'abcdefghijklmnopqrst' . LF . 'uvwxyz' . LF . '123456');
    }

    public function breakLinesForEmailBreaksTextIfLineIsLongerThanTheLineWidth()
    {
        $str = 'Mein Link auf eine News (Link: http://zzzzzzzzzzzzz.xxxxxxxxx.de/index.php?id=10&tx_ttnews%5Btt_news%5D=1&cHash=66f5af320da29b7ae1cda49047ca7358)';
        $returnString = \TYPO3\CMS\Core\Utility\MailUtility::breakLinesForEmail($str);
        $this->assertEquals($returnString, 'Mein Link auf eine News (Link:' . LF . 'http://zzzzzzzzzzzzz.xxxxxxxxx.de/index.php?id=10&tx_ttnews%5Btt_news%5D=1&cHash=66f5af320da29b7ae1cda49047ca7358)');
    }

    public function parseAddressesProvider()
    {
        return [
            'name &ltemail&gt;' => ['name <email@example.org>', ['email@example.org' => 'name']],
            '&lt;email&gt;' => ['<email@example.org>', ['email@example.org']],
            '@localhost' => ['@localhost', []],
            '000@example.com' => ['000@example.com', ['000@example.com']],
            'email' => ['email@example.org', ['email@example.org']],
            'email1,email2' => ['email1@example.org,email2@example.com', ['email1@example.org', 'email2@example.com']],
            'name &ltemail&gt;,email2' => ['name <email1@example.org>,email2@example.com', ['email1@example.org' => 'name', 'email2@example.com']],
            '"last, first" &lt;name@example.org&gt;' => ['"last, first" <email@example.org>', ['email@example.org' => '"last, first"']],
            'email,name &ltemail&gt;,"last, first" &lt;name@example.org&gt;' => [
                'email1@example.org, name <email2@example.org>, "last, first" <email3@example.org>',
                [
                    'email1@example.org',
                    'email2@example.org' => 'name',
                    'email3@example.org' => '"last, first"'
                ]
            ]
        ];
    }

    public function parseAddressesTest($source, $addressList)
    {
        $returnArray = \TYPO3\CMS\Core\Utility\MailUtility::parseAddresses($source);
        $this->assertEquals($addressList, $returnArray);
    }
}