AliasViewHelperTest.php

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

/*                                                                        *
 * 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 AliasViewHelperTest extends \TYPO3\CMS\Fluid\Tests\Unit\ViewHelpers\ViewHelperBaseTestcase {

    public function renderAddsSingleValueToTemplateVariableContainerAndRemovesItAfterRendering() {
        $viewHelper = new \TYPO3\CMS\Fluid\ViewHelpers\AliasViewHelper();

        $mockViewHelperNode = $this->getMock('TYPO3\\CMS\\Fluid\\Core\\Parser\\SyntaxTree\\ViewHelperNode', array('evaluateChildNodes'), array(), '', FALSE);
        $mockViewHelperNode->expects($this->once())->method('evaluateChildNodes')->will($this->returnValue('foo'));

        $this->templateVariableContainer->expects($this->at(0))->method('add')->with('someAlias', 'someValue');
        $this->templateVariableContainer->expects($this->at(1))->method('remove')->with('someAlias');

        $this->injectDependenciesIntoViewHelper($viewHelper);
        $viewHelper->setViewHelperNode($mockViewHelperNode);
        $viewHelper->render(array('someAlias' => 'someValue'));
    }

    public function renderAddsMultipleValuesToTemplateVariableContainerAndRemovesThemAfterRendering() {
        $viewHelper = new \TYPO3\CMS\Fluid\ViewHelpers\AliasViewHelper();

        $mockViewHelperNode = $this->getMock('TYPO3\\CMS\\Fluid\\Core\\Parser\\SyntaxTree\\ViewHelperNode', array('evaluateChildNodes'), array(), '', FALSE);
        $mockViewHelperNode->expects($this->once())->method('evaluateChildNodes')->will($this->returnValue('foo'));

        $this->templateVariableContainer->expects($this->at(0))->method('add')->with('someAlias', 'someValue');
        $this->templateVariableContainer->expects($this->at(1))->method('add')->with('someOtherAlias', 'someOtherValue');
        $this->templateVariableContainer->expects($this->at(2))->method('remove')->with('someAlias');
        $this->templateVariableContainer->expects($this->at(3))->method('remove')->with('someOtherAlias');

        $this->injectDependenciesIntoViewHelper($viewHelper);
        $viewHelper->setViewHelperNode($mockViewHelperNode);
        $viewHelper->render(array('someAlias' => 'someValue', 'someOtherAlias' => 'someOtherValue'));
    }

    public function renderDoesNotTouchTemplateVariableContainerAndReturnsChildNodesIfMapIsEmpty() {
        $viewHelper = new \TYPO3\CMS\Fluid\ViewHelpers\AliasViewHelper();

        $mockViewHelperNode = $this->getMock('TYPO3\\CMS\\Fluid\\Core\\Parser\\SyntaxTree\\ViewHelperNode', array('evaluateChildNodes'), array(), '', FALSE);
        $mockViewHelperNode->expects($this->once())->method('evaluateChildNodes')->will($this->returnValue('foo'));

        $this->templateVariableContainer->expects($this->never())->method('add');
        $this->templateVariableContainer->expects($this->never())->method('remove');

        $this->injectDependenciesIntoViewHelper($viewHelper);
        $viewHelper->setViewHelperNode($mockViewHelperNode);

        $this->assertEquals('foo', $viewHelper->render(array()));
    }
}