<?php

/*

 * This file is part of the Symfony package.

 *

 * (c) Fabien Potencier <fabien@symfony.com>

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace Symfony\Bundle\TwigBundle\Tests;

use Symfony\Bundle\TwigBundle\TwigEngine;

use Symfony\Component\DependencyInjection\Container;

use Symfony\Component\HttpFoundation\Request;

use Symfony\Component\HttpFoundation\Session;

use Symfony\Component\HttpFoundation\SessionStorage\ArraySessionStorage;

use Symfony\Component\Templating\TemplateNameParser;

use Symfony\Bundle\FrameworkBundle\Templating\GlobalVariables;

class TwigEngineTest extends TestCase

{

    public function testEvaluateAddsAppGlobal()

    {

        $environment = $this->getTwigEnvironment();

        $container = $this->getContainer();

        $engine = new TwigEngine($environment, new TemplateNameParser(), $app = new GlobalVariables($container));

        $template = $this->getMock('\Twig_TemplateInterface');

        $environment->expects($this->once())

            ->method('loadTemplate')

            ->will($this->returnValue($template));

        $engine->render('name');

        $request = $container->get('request');

        $globals = $environment->getGlobals();

        $this->assertSame($app, $globals['app']);

    }

    public function testEvaluateWithoutAvailableRequest()

    {

        $environment = $this->getTwigEnvironment();

        $container = new Container();

        $engine = new TwigEngine($environment, new TemplateNameParser(), new GlobalVariables($container));

        $template = $this->getMock('\Twig_TemplateInterface');

        $environment->expects($this->once())

            ->method('loadTemplate')

            ->will($this->returnValue($template));

        $container->set('request', null);

        $engine->render('name');

        $globals = $environment->getGlobals();

        $this->assertEmpty($globals['app']->getRequest());

    }

    /**

     * Creates a Container with a Session-containing Request service.

     *

     * @return Container

     */

    protected function getContainer()

    {

        $container = new Container();

        $request = new Request();

        $session = new Session(new ArraySessionStorage());

        $request->setSession($session);

        $container->set('request', $request);

        return $container;

    }

    /**

     * Creates a mock Twig_Environment object.

     *

     * @return \Twig_Environment

     */

    protected function getTwigEnvironment()

    {

        return $this

            ->getMockBuilder('\Twig_Environment')

            ->setMethods(array('loadTemplate'))

            ->getMock();

    }

}