HtmlspecialcharsViewHelperTest.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!                         *
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use TYPO3\CMS\Core\Tests\UnitTestCase;
use TYPO3\CMS\Fluid\Core\Rendering\RenderingContext;
use TYPO3\CMS\Fluid\ViewHelpers\Format\HtmlspecialcharsViewHelper;

class HtmlspecialcharsViewHelperTest extends UnitTestCase
{
    protected $viewHelper;

    protected function setUp()
    {
        $this->viewHelper = $this->getMock(HtmlspecialcharsViewHelper::class, ['renderChildren']);
        $renderingContext = $this->getMock(RenderingContext::class);
        $this->viewHelper->setRenderingContext($renderingContext);
    }

    public function viewHelperDeactivatesEscapingInterceptor()
    {
        $this->assertFalse($this->viewHelper->isEscapingInterceptorEnabled());
    }

    public function renderUsesValueAsSourceIfSpecified()
    {
        $this->viewHelper->expects($this->never())->method('renderChildren');
        $actualResult = $this->viewHelper->render('Some string');
        $this->assertEquals('Some string', $actualResult);
    }

    public function renderUsesChildnodesAsSourceIfSpecified()
    {
        $this->viewHelper->expects($this->atLeastOnce())->method('renderChildren')->will($this->returnValue('Some string'));
        $actualResult = $this->viewHelper->render();
        $this->assertEquals('Some string', $actualResult);
    }

    public function renderDoesNotModifyValueIfItDoesNotContainSpecialCharacters()
    {
        $source = 'This is a sample text without special characters.';
        $actualResult = $this->viewHelper->render($source);
        $this->assertSame($source, $actualResult);
    }

    public function renderDecodesSimpleString()
    {
        $source = 'Some special characters: &©"\'';
        $expectedResult = 'Some special characters: &amp;©&quot;\'';
        $actualResult = $this->viewHelper->render($source);
        $this->assertEquals($expectedResult, $actualResult);
    }

    public function renderRespectsKeepQuoteArgument()
    {
        $source = 'Some special characters: &©"\'';
        $expectedResult = 'Some special characters: &amp;©"\'';
        $actualResult = $this->viewHelper->render($source, true);
        $this->assertEquals($expectedResult, $actualResult);
    }

    public function renderRespectsEncodingArgument()
    {
        $source = utf8_decode('Some special characters: &"\'');
        $expectedResult = 'Some special characters: &amp;&quot;\'';
        $actualResult = $this->viewHelper->render($source, false, 'ISO-8859-1');
        $this->assertEquals($expectedResult, $actualResult);
    }

    public function renderConvertsAlreadyConvertedEntitiesByDefault()
    {
        $source = 'already &quot;encoded&quot;';
        $expectedResult = 'already &amp;quot;encoded&amp;quot;';
        $actualResult = $this->viewHelper->render($source);
        $this->assertEquals($expectedResult, $actualResult);
    }

    public function renderDoesNotConvertAlreadyConvertedEntitiesIfDoubleQuoteIsFalse()
    {
        $source = 'already &quot;encoded&quot;';
        $expectedResult = 'already &quot;encoded&quot;';
        $actualResult = $this->viewHelper->render($source, false, 'UTF-8', false);
        $this->assertEquals($expectedResult, $actualResult);
    }

    public function renderReturnsUnmodifiedSourceIfItIsNoString()
    {
        $source = new \stdClass();
        $actualResult = $this->viewHelper->render($source);
        $this->assertSame($source, $actualResult);
    }
}