Nl2brViewHelperTest.php

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<?php
namespace TYPO3\CMS\Fluid\Tests\Unit\ViewHelpers\Format;

/*                                                                        *
 * This script is backported from the TYPO3 Flow package "TYPO3.Fluid".   *
 *                                                                        *
 * It is free software; you can redistribute it and/or modify it under    *
 * the terms of the GNU General Public License, either version 3 of the   *
 * License, or (at your option) any later version.                        *
 *                                                                        *
 * The TYPO3 project - inspiring people to share!                         *
 *                                                                        */

use TYPO3\CMS\Fluid\Tests\Unit\ViewHelpers\ViewHelperBaseTestcase;
use TYPO3\CMS\Fluid\ViewHelpers\Format\Nl2brViewHelper;

class Nl2brViewHelperTest extends ViewHelperBaseTestcase
{
    protected $viewHelper;

    protected function setUp()
    {
        parent::setUp();
        $this->viewHelper = $this->getMock(Nl2brViewHelper::class, ['renderChildren']);
        $this->injectDependenciesIntoViewHelper($this->viewHelper);
        $this->viewHelper->initializeArguments();
    }

    public function viewHelperDoesNotModifyTextWithoutLineBreaks()
    {
        $this->viewHelper->expects($this->once())->method('renderChildren')->will($this->returnValue('<p class="bodytext">Some Text without line breaks</p>'));
        $actualResult = $this->viewHelper->render();
        $this->assertEquals('<p class="bodytext">Some Text without line breaks</p>', $actualResult);
    }

    public function viewHelperConvertsLineBreaksToBRTags()
    {
        $this->viewHelper->expects($this->once())->method('renderChildren')->will($this->returnValue('Line 1' . chr(10) . 'Line 2'));
        $actualResult = $this->viewHelper->render();
        $this->assertEquals('Line 1<br />' . chr(10) . 'Line 2', $actualResult);
    }

    public function viewHelperConvertsWindowsLineBreaksToBRTags()
    {
        $this->viewHelper->expects($this->once())->method('renderChildren')->will($this->returnValue('Line 1' . chr(13) . chr(10) . 'Line 2'));
        $actualResult = $this->viewHelper->render();
        $this->assertEquals('Line 1<br />' . chr(13) . chr(10) . 'Line 2', $actualResult);
    }
}