ViewHelperNodeTest.php

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<?php
namespace TYPO3\CMS\Fluid\Tests\Unit\Core\Parser\SyntaxTree;

/*                                                                        *
 * 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 Lesser General Public License, either version 3   *
 *  of the License, or (at your option) any later version.                *
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class ViewHelperNodeTest extends \TYPO3\CMS\Core\Tests\UnitTestCase
{
    protected $renderingContext;

    protected $mockObjectManager;

    protected $templateVariableContainer;

    protected $controllerContext;

    protected $viewHelperVariableContainer;

    protected function setUp()
    {
        $this->renderingContext = $this->getAccessibleMock(\TYPO3\CMS\Fluid\Core\Rendering\RenderingContext::class);

        $this->mockObjectManager = $this->getMock(\TYPO3\CMS\Extbase\Object\ObjectManagerInterface::class);
        $this->renderingContext->_set('objectManager', $this->mockObjectManager);

        $this->templateVariableContainer = $this->getMock(\TYPO3\CMS\Fluid\Core\ViewHelper\TemplateVariableContainer::class);
        $this->renderingContext->injectTemplateVariableContainer($this->templateVariableContainer);

        $this->controllerContext = $this->getMock(\TYPO3\CMS\Extbase\Mvc\Controller\ControllerContext::class, [], [], '', false);
        $this->renderingContext->setControllerContext($this->controllerContext);

        $this->viewHelperVariableContainer = $this->getMock(\TYPO3\CMS\Fluid\Core\ViewHelper\ViewHelperVariableContainer::class);
        $this->renderingContext->_set('viewHelperVariableContainer', $this->viewHelperVariableContainer);
    }

    public function constructorSetsViewHelperAndArguments()
    {
        $viewHelper = $this->getMock(\TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper::class);
        $arguments = ['foo' => 'bar'];
        $viewHelperNode = $this->getAccessibleMock(\TYPO3\CMS\Fluid\Core\Parser\SyntaxTree\ViewHelperNode::class, ['dummy'], [$viewHelper, $arguments]);

        $this->assertEquals(get_class($viewHelper), $viewHelperNode->getViewHelperClassName());
        $this->assertEquals($arguments, $viewHelperNode->_get('arguments'));
    }

    public function childNodeAccessFacetWorksAsExpected()
    {
        $childNode = $this->getMock(\TYPO3\CMS\Fluid\Core\Parser\SyntaxTree\TextNode::class, [], ['prepareArguments']);

        $mockViewHelper = $this->getMock(\TYPO3\CMS\Fluid\Tests\Unit\Core\Parser\Fixtures\ChildNodeAccessFacetViewHelper::class, ['setChildNodes', 'initializeArguments', 'render', 'prepareArguments']);
        $mockViewHelper->expects($this->any())->method('prepareArguments')->willReturn([]);

        $viewHelperNode = new \TYPO3\CMS\Fluid\Core\Parser\SyntaxTree\ViewHelperNode($mockViewHelper, []);
        $viewHelperNode->addChildNode($childNode);

        $mockViewHelper->expects($this->once())->method('setChildNodes')->with($this->equalTo([$childNode]));

        $viewHelperNode->evaluate($this->renderingContext);
    }

    public function initializeArgumentsAndRenderIsCalledByViewHelperNode()
    {
        $mockViewHelper = $this->getMock(\TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper::class, ['initializeArgumentsAndRender', 'prepareArguments']);
        $mockViewHelper->expects($this->once())->method('initializeArgumentsAndRender');
        $mockViewHelper->expects($this->any())->method('prepareArguments')->willReturn([]);

        $viewHelperNode = new \TYPO3\CMS\Fluid\Core\Parser\SyntaxTree\ViewHelperNode($mockViewHelper, []);

        $viewHelperNode->evaluate($this->renderingContext);
    }

    public function initializeArgumentsAndRenderIsCalledWithCorrectArguments()
    {
        $arguments = [
            'param0' => new \TYPO3\CMS\Fluid\Core\ViewHelper\ArgumentDefinition('param1', 'string', 'Hallo', true, null, false),
            'param1' => new \TYPO3\CMS\Fluid\Core\ViewHelper\ArgumentDefinition('param1', 'string', 'Hallo', true, null, true),
            'param2' => new \TYPO3\CMS\Fluid\Core\ViewHelper\ArgumentDefinition('param2', 'string', 'Hallo', true, null, true)
        ];

        $mockViewHelper = $this->getMock(\TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper::class, ['initializeArgumentsAndRender', 'prepareArguments']);
        $mockViewHelper->expects($this->any())->method('prepareArguments')->will($this->returnValue($arguments));
        $mockViewHelper->expects($this->once())->method('initializeArgumentsAndRender');

        $viewHelperNode = new \TYPO3\CMS\Fluid\Core\Parser\SyntaxTree\ViewHelperNode($mockViewHelper, [
            'param2' => new \TYPO3\CMS\Fluid\Core\Parser\SyntaxTree\TextNode('b'),
            'param1' => new \TYPO3\CMS\Fluid\Core\Parser\SyntaxTree\TextNode('a')
        ]);

        $viewHelperNode->evaluate($this->renderingContext);
    }

    public function evaluateMethodPassesRenderingContextToViewHelper()
    {
        $mockViewHelper = $this->getMock(\TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper::class, ['render', 'validateArguments', 'prepareArguments', 'setRenderingContext']);
        $mockViewHelper->expects($this->once())->method('setRenderingContext')->with($this->renderingContext);
        $mockViewHelper->expects($this->any())->method('prepareArguments')->willReturn([]);

        $viewHelperNode = new \TYPO3\CMS\Fluid\Core\Parser\SyntaxTree\ViewHelperNode($mockViewHelper, []);

        $viewHelperNode->evaluate($this->renderingContext);
    }

    public function multipleEvaluateCallsShareTheSameViewHelperInstance()
    {
        $mockViewHelper = $this->getMock(\TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper::class, ['render', 'validateArguments', 'prepareArguments', 'setViewHelperVariableContainer']);
        $mockViewHelper->expects($this->any())->method('render')->will($this->returnValue('String'));
        $mockViewHelper->expects($this->any())->method('prepareArguments')->willReturn([]);

        $viewHelperNode = new \TYPO3\CMS\Fluid\Core\Parser\SyntaxTree\ViewHelperNode($mockViewHelper, []);

        $viewHelperNode->evaluate($this->renderingContext);
        $viewHelperNode->evaluate($this->renderingContext);
    }
}