symfony/tests/Symfony/Tests/Components/Templating/Loader/ChainLoaderTest.php

<?php

/*
 * This file is part of the symfony package.
 *
 * (c) Fabien Potencier <fabien.potencier@symfony-project.com>
 * 
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Tests\Components\Templating\Loader;

require_once __DIR__.'/../../../../../lib/SymfonyTests/Components/Templating/ProjectTemplateDebugger.php';

use Symfony\Components\Templating\Loader\ChainLoader;
use Symfony\Components\Templating\Loader\FilesystemLoader;
use Symfony\Components\Templating\Storage\FileStorage;

class ChainLoaderTest extends \PHPUnit_Framework_TestCase
{
  static protected $loader1, $loader2;

  static public function setUpBeforeClass()
  {
    $fixturesPath = realpath(__DIR__.'/../../../../../fixtures/Symfony/Components/Templating/');
    self::$loader1 = new FilesystemLoader($fixturesPath.'/null/%name%');
    self::$loader2 = new FilesystemLoader($fixturesPath.'/templates/%name%.%renderer%');
  }

  public function testConstructor()
  {
    $loader = new ProjectTemplateLoader1(array(self::$loader1, self::$loader2));
    $this->assertEquals(array(self::$loader1, self::$loader2), $loader->getLoaders(), '__construct() takes an array of template loaders as its second argument');
  }

  public function testAddLoader()
  {
    $loader = new ProjectTemplateLoader1(array(self::$loader1));
    $loader->addLoader(self::$loader2);
    $this->assertEquals(array(self::$loader1, self::$loader2), $loader->getLoaders(), '->addLoader() adds a template loader at the end of the loaders');
  }

  public function testLoad()
  {
    $loader = new ProjectTemplateLoader1(array(self::$loader1, self::$loader2));
    $this->assertTrue($loader->load('bar') === false, '->load() returns false if the template is not found');
    $this->assertTrue($loader->load('foo', array('renderer' => 'xml')) === false, '->load() returns false if the template does not exists for the given renderer');
    $this->assertTrue($loader->load('foo') instanceof FileStorage, '->load() returns a FileStorage if the template exists');
  }
}

class ProjectTemplateLoader1 extends ChainLoader
{
  public function getLoaders()
  {
    return $this->loaders;
  }
}