<?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\Loader;

use Symfony\Bundle\TwigBundle\Tests\TestCase;

use Symfony\Bundle\TwigBundle\Loader\FilesystemLoader;

use Symfony\Component\Config\FileLocatorInterface;

use Symfony\Bundle\FrameworkBundle\Templating\TemplateReference;

use Symfony\Component\Templating\TemplateNameParserInterface;

use InvalidArgumentException;

class FilesystemLoaderTest extends TestCase

{

    /** @var FileLocatorInterface */

    private $locator;

    /** @var TemplateNameParserInterface */

    private $parser;

    /** @var FilesystemLoader */

    private $loader;

    protected function setUp()

    {

        parent::setUp();

        $this->locator = $this->getMock('Symfony\Component\Config\FileLocatorInterface');

        $this->parser = $this->getMock('Symfony\Component\Templating\TemplateNameParserInterface');

        $this->loader = new FilesystemLoader($this->locator, $this->parser);

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

                ->method('parse')

                ->with('name.format.engine')

                ->will($this->returnValue(new TemplateReference('', '', 'name', 'format', 'engine')))

        ;

    }

    protected function tearDown()

    {

        parent::tearDown();

        $this->locator = null;

        $this->parser = null;

        $this->loader = null;

    }

    public function testTwigErrorIfLocatorThrowsInvalid()

    {

        $this->setExpectedException('Twig_Error_Loader');

        $invalidException = new InvalidArgumentException('Unable to find template "NonExistent".');

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

                      ->method('locate')

                      ->will($this->throwException($invalidException));

        $this->loader->getCacheKey('name.format.engine');

    }

    public function testTwigErrorIfLocatorReturnsFalse()

    {

        $this->setExpectedException('Twig_Error_Loader');

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

                      ->method('locate')

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

        $this->loader->getCacheKey('name.format.engine');

    }

}