MailUtilityTest.php

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

class MailUtilityTest extends \TYPO3\CMS\Core\Tests\UnitTestCase {

    protected $singletonInstances = array();

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

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

    // Tests concerning mail

    public function mailCallsHook() {
        $this->doMailCallsHook();
    }

    public function mailCallsHookWithDefaultMailFrom() {
        $this->doMailCallsHook('no-reply@localhost', 'TYPO3 Mailer');
    }

    protected function doMailCallsHook($fromAddress = '', $fromName = '') {
        // Backup configuration
        $mailConfigurationBackup = $GLOBALS['TYPO3_CONF_VARS']['MAIL'];
        $GLOBALS['TYPO3_CONF_VARS']['MAIL']['defaultMailFromAddress'] = $fromAddress;
        $GLOBALS['TYPO3_CONF_VARS']['MAIL']['defaultMailFromName'] = $fromName;
        $to = 'john@example.com';
        $subject = 'Good news everybody!';
        $messageBody = 'The hooks works!';
        $additionalHeaders = 'Reply-to: jane@example.com';
        $additionalParameters = '-f postmaster@example.com';
        $fakeThis = FALSE;
        $additionalHeadersExpected = $additionalHeaders;
        if ($fromAddress !== '' && $fromName !== '') {
            $additionalHeadersExpected .= LF . sprintf('From: "%s" <%s>', $fromName, $fromAddress);
        }
        $mockMailer = $this->getMock('TYPO3\\CMS\\Core\\Mail\\MailerAdapterInterface', array('mail'));
        $mockClassName = get_class($mockMailer);
        \TYPO3\CMS\Core\Utility\GeneralUtility::addInstance($mockClassName, $mockMailer);
        $mockMailer->expects($this->once())
            ->method('mail')
            ->with($to, $subject, $messageBody, $additionalHeadersExpected, $additionalParameters, $fakeThis)
            ->will($this->returnValue(TRUE));
        $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/utility/class.t3lib_utility_mail.php']['substituteMailDelivery'] = array($mockClassName);
        \TYPO3\CMS\Core\Utility\MailUtility::mail($to, $subject, $messageBody, $additionalHeaders, $additionalParameters);
        // Restore configuration
        $GLOBALS['TYPO3_CONF_VARS']['MAIL'] = $mailConfigurationBackup;
    }

    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 array(
            'name &ltemail&gt;' => array('name <email@example.org>', array('email@example.org' => 'name')),
            '&lt;email&gt;' => array('<email@example.org>', array('email@example.org')),
            '@localhost' => array('@localhost', array()),
            '000@example.com' => array('000@example.com', array('000@example.com')),
            'email' => array('email@example.org', array('email@example.org')),
            'email1,email2' => array('email1@example.org,email2@example.com', array('email1@example.org', 'email2@example.com')),
            'name &ltemail&gt;,email2' => array('name <email1@example.org>,email2@example.com', array('email1@example.org' => 'name', 'email2@example.com')),
            '"last, first" &lt;name@example.org&gt;' => array('"last, first" <email@example.org>', array('email@example.org' => '"last, first"')),
            'email,name &ltemail&gt;,"last, first" &lt;name@example.org&gt;' => array(
                'email1@example.org, name <email2@example.org>, "last, first" <email3@example.org>',
                array(
                    '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);
    }

}