symfony/tests/Symfony/Tests/Component/DependencyInjection/Compiler/ResolveReferencesToAliasesPassTest.php

<?php

namespace Symfony\Tests\Component\DependencyInjection\Compiler;

use Symfony\Component\DependencyInjection\Reference;
use Symfony\Component\DependencyInjection\Compiler\ResolveReferencesToAliasesPass;
use Symfony\Component\DependencyInjection\ContainerBuilder;

class ResolveReferencesToAliasesPassTest extends \PHPUnit_Framework_TestCase
{
    public function testProcess()
    {
        $container = new ContainerBuilder();
        $container->setAlias('bar', 'foo');
        $def = $container
            ->register('moo')
            ->setArguments(array(new Reference('bar')))
        ;

        $this->process($container);

        $arguments = $def->getArguments();
        $this->assertEquals('foo', (string) $arguments[0]);
    }

    public function testProcessRecursively()
    {
        $container = new ContainerBuilder();
        $container->setAlias('bar', 'foo');
        $container->setAlias('moo', 'bar');
        $def = $container
            ->register('foobar')
            ->setArguments(array(new Reference('moo')))
        ;

        $this->process($container);

        $arguments = $def->getArguments();
        $this->assertEquals('foo', (string) $arguments[0]);
    }

    protected function process(ContainerBuilder $container)
    {
        $pass = new ResolveReferencesToAliasesPass();
        $pass->process($container);
    }
}