RenderChildrenViewHelperTest.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 CycleViewHelper
 *
 * @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License, version 3 or later
 */
class Tx_Fluid_Tests_Unit_ViewHelpers_RenderChildrenViewHelperTest extends Tx_Fluid_ViewHelpers_ViewHelperBaseTestcase {

    /**
     * var Tx_Fluid_ViewHelpers_RenderChildrenViewHelper
     */
    protected $viewHelper;

    /**
     * @author Sebastian Kurfürst <sebastian@typo3.org>
     */
    public function setUp() {
        $this->controllerContext = $this->getMock('Tx_Extbase_MVC_Controller_ControllerContext', array(), array(), '', FALSE);
        $this->viewHelper = $this->getMock('Tx_Fluid_ViewHelpers_RenderChildrenViewHelper', array('renderChildren'));
    }

    /**
     * @test
     * @author Sebastian Kurfürst <sebastian@typo3.org>
     */
    public function renderCallsEvaluateOnTheRootNodeAndRegistersTheArguments() {
        $this->request = $this->getMock('Tx_Fluid_Core_Widget_WidgetRequest');
        $this->controllerContext->expects($this->any())->method('getRequest')->will($this->returnValue($this->request));
        $this->viewHelper->setControllerContext($this->controllerContext);
        $this->viewHelper->initializeArguments();

        $templateVariableContainer = $this->getMock('Tx_Fluid_Core_ViewHelper_TemplateVariableContainer');
        $templateVariableContainer->expects($this->at(0))->method('add')->with('k1', 'v1');
        $templateVariableContainer->expects($this->at(1))->method('add')->with('k2', 'v2');
        $templateVariableContainer->expects($this->at(2))->method('remove')->with('k1');
        $templateVariableContainer->expects($this->at(3))->method('remove')->with('k2');

        $renderingContext = $this->getMock('Tx_Fluid_Core_Rendering_RenderingContextInterface');
        $renderingContext->expects($this->any())->method('getTemplateVariableContainer')->will($this->returnValue($templateVariableContainer));

        $rootNode = $this->getMock('Tx_Fluid_Core_Parser_SyntaxTree_RootNode');

        $widgetContext = $this->getMock('Tx_Fluid_Core_Widget_WidgetContext');
        $this->request->expects($this->any())->method('getWidgetContext')->will($this->returnValue($widgetContext));
        $widgetContext->expects($this->any())->method('getViewHelperChildNodeRenderingContext')->will($this->returnValue($renderingContext));
        $widgetContext->expects($this->any())->method('getViewHelperChildNodes')->will($this->returnValue($rootNode));

        $rootNode->expects($this->any())->method('evaluate')->with($renderingContext)->will($this->returnValue('Rendered Results'));

        $output = $this->viewHelper->render(array('k1' => 'v1', 'k2' => 'v2'));
        $this->assertEquals('Rendered Results', $output);
    }

    /**
     * @test
     * @expectedException Tx_Fluid_Core_Widget_Exception_WidgetRequestNotFoundException
     * @author Sebastian Kurfürst <sebastian@typo3.org>
     */
    public function renderThrowsExceptionIfTheRequestIsNotAWidgetRequest() {
        $this->request = $this->getMock('Tx_Fluid_MVC_Request');
        $this->controllerContext->expects($this->any())->method('getRequest')->will($this->returnValue($this->request));
        $this->viewHelper->setControllerContext($this->controllerContext);
        $this->viewHelper->initializeArguments();

        $output = $this->viewHelper->render();
    }

    /**
     * @test
     * @expectedException Tx_Fluid_Core_Widget_Exception_RenderingContextNotFoundException
     * @author Sebastian Kurfürst <sebastian@typo3.org>
     */
    public function renderThrowsExceptionIfTheChildNodeRenderingContextIsNotThere() {
        $this->request = $this->getMock('Tx_Fluid_Core_Widget_WidgetRequest');
        $this->controllerContext->expects($this->any())->method('getRequest')->will($this->returnValue($this->request));
        $this->viewHelper->setControllerContext($this->controllerContext);
        $this->viewHelper->initializeArguments();

        $widgetContext = $this->getMock('Tx_Fluid_Core_Widget_WidgetContext');
        $this->request->expects($this->any())->method('getWidgetContext')->will($this->returnValue($widgetContext));
        $widgetContext->expects($this->any())->method('getViewHelperChildNodeRenderingContext')->will($this->returnValue(NULL));
        $widgetContext->expects($this->any())->method('getViewHelperChildNodes')->will($this->returnValue(NULL));

        $output = $this->viewHelper->render();
    }
}
?>