AliasViewHelperTest.php

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<?php

/*                                                                        *
 * This script belongs to the FLOW3 package "Fluid".                      *
 *                                                                        *
 * It is free software; you can redistribute it and/or modify it under    *
 * the terms of the GNU Lesser General Public License as published by the *
 * Free Software Foundation, either version 3 of the License, or (at your *
 * option) any later version.                                             *
 *                                                                        *
 * This script is distributed in the hope that it will be useful, but     *
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN-    *
 * TABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser       *
 * General Public License for more details.                               *
 *                                                                        *
 * You should have received a copy of the GNU Lesser General Public       *
 * License along with the script.                                         *
 * If not, see http://www.gnu.org/licenses/lgpl.html                      *
 *                                                                        *
 * The TYPO3 project - inspiring people to share!                         *
 *                                                                        */

require_once(dirname(__FILE__) . '/ViewHelperBaseTestcase.php');

/**
 * Testcase for AliasViewHelper
 *
 * @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License, version 3 or later
 */
class Tx_Fluid_Tests_Unit_ViewHelpers_AliasViewHelperTest extends Tx_Fluid_ViewHelpers_ViewHelperBaseTestcase {

    /**
     * @test
     * @author Bastian Waidelich <bastian@typo3.org>
     */
    public function renderAddsSingleValueToTemplateVariableContainerAndRemovesItAfterRendering() {
        $viewHelper = new Tx_Fluid_ViewHelpers_AliasViewHelper();

        $mockViewHelperNode = $this->getMock('Tx_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');

        $viewHelper->setTemplateVariableContainer($this->templateVariableContainer);
        $viewHelper->setViewHelperNode($mockViewHelperNode);
        $viewHelper->setRenderingContext($this->renderingContext);
        $viewHelper->render(array('someAlias' => 'someValue'));
    }

    /**
     * @test
     * @author Bastian Waidelich <bastian@typo3.org>
     */
    public function renderAddsMultipleValuesToTemplateVariableContainerAndRemovesThemAfterRendering() {
        $viewHelper = new Tx_Fluid_ViewHelpers_AliasViewHelper();

        $mockViewHelperNode = $this->getMock('Tx_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');

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

    /**
     * @test
     * @author Bastian Waidelich <bastian@typo3.org>
     */
    public function renderDoesNotTouchTemplateVariableContainerAndReturnsChildNodesIfMapIsEmpty() {
        $viewHelper = new Tx_Fluid_ViewHelpers_AliasViewHelper();

        $mockViewHelperNode = $this->getMock('Tx_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');

        $viewHelper->setTemplateVariableContainer($this->templateVariableContainer);
        $viewHelper->setViewHelperNode($mockViewHelperNode);
        $viewHelper->setRenderingContext($this->renderingContext);

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



?>