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<?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\Component\DependencyInjection\Tests\Compiler;
use PHPUnit\Framework\TestCase;
use Symfony\Component\DependencyInjection\Argument\IteratorArgument;
use Symfony\Component\DependencyInjection\Argument\ServiceLocatorArgument;
use Symfony\Component\DependencyInjection\Argument\TaggedIteratorArgument;
use Symfony\Component\DependencyInjection\Compiler\AnalyzeServiceReferencesPass;
use Symfony\Component\DependencyInjection\Compiler\CheckCircularReferencesPass;
use Symfony\Component\DependencyInjection\Compiler\Compiler;
use Symfony\Component\DependencyInjection\Compiler\ServiceLocatorTagPass;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException;
use Symfony\Component\DependencyInjection\Reference;
class CheckCircularReferencesPassTest extends TestCase
{
public function testProcess()
{
$container = new ContainerBuilder();
$container->register('a')->addArgument(new Reference('b'));
$container->register('b')->addArgument(new Reference('a'));
$this->expectException(ServiceCircularReferenceException::class);
$this->process($container);
}
public function testProcessWithAliases()
{
$container = new ContainerBuilder();
$container->register('a')->addArgument(new Reference('b'));
$container->setAlias('b', 'c');
$container->setAlias('c', 'a');
$this->expectException(ServiceCircularReferenceException::class);
$this->process($container);
}
public function testProcessWithFactory()
{
$container = new ContainerBuilder();
$container
->register('a', 'stdClass')
->setFactory([new Reference('b'), 'getInstance']);
$container
->register('b', 'stdClass')
->setFactory([new Reference('a'), 'getInstance']);
$this->expectException(ServiceCircularReferenceException::class);
$this->process($container);
}
public function testProcessDetectsIndirectCircularReference()
{
$container = new ContainerBuilder();
$container->register('a')->addArgument(new Reference('b'));
$container->register('b')->addArgument(new Reference('c'));
$container->register('c')->addArgument(new Reference('a'));
$this->expectException(ServiceCircularReferenceException::class);
$this->process($container);
}
public function testProcessDetectsIndirectCircularReferenceWithFactory()
{
$container = new ContainerBuilder();
$container->register('a')->addArgument(new Reference('b'));
$container
->register('b', 'stdClass')
->setFactory([new Reference('c'), 'getInstance']);
$container->register('c')->addArgument(new Reference('a'));
$this->expectException(ServiceCircularReferenceException::class);
$this->process($container);
}
public function testDeepCircularReference()
{
$container = new ContainerBuilder();
$container->register('a')->addArgument(new Reference('b'));
$container->register('b')->addArgument(new Reference('c'));
$container->register('c')->addArgument(new Reference('b'));
$this->expectException(ServiceCircularReferenceException::class);
$this->process($container);
}
public function testProcessIgnoresMethodCalls()
{
$container = new ContainerBuilder();
$container->register('a')->addArgument(new Reference('b'));
$container->register('b')->addMethodCall('setA', [new Reference('a')]);
$this->process($container);
$this->addToAssertionCount(1);
}
public function testProcessIgnoresLazyServices()
{
$container = new ContainerBuilder();
$container->register('a')->setLazy(true)->addArgument(new Reference('b'));
$container->register('b')->addArgument(new Reference('a'));
$this->process($container);
// just make sure that a lazily loaded service does not trigger a CircularReferenceException
$this->addToAssertionCount(1);
}
public function testProcessDefersLazyServices()
{
$container = new ContainerBuilder();
$container->register('a')->addArgument(new ServiceLocatorArgument(new TaggedIteratorArgument('tag', needsIndexes: true)));
$container->register('b')->addArgument(new Reference('c'))->addTag('tag');
$container->register('c')->addArgument(new Reference('b'));
(new ServiceLocatorTagPass())->process($container);
$this->expectException(ServiceCircularReferenceException::class);
$this->process($container);
}
public function testProcessIgnoresIteratorArguments()
{
$container = new ContainerBuilder();
$container->register('a')->addArgument(new Reference('b'));
$container->register('b')->addArgument(new IteratorArgument([new Reference('a')]));
$this->process($container);
// just make sure that an IteratorArgument does not trigger a CircularReferenceException
$this->addToAssertionCount(1);
}
protected function process(ContainerBuilder $container)
{
$compiler = new Compiler();
$passConfig = $compiler->getPassConfig();
$passConfig->setOptimizationPasses([
new AnalyzeServiceReferencesPass(true),
new CheckCircularReferencesPass(),
]);
$passConfig->setRemovingPasses([]);
$passConfig->setAfterRemovingPasses([]);
$compiler->compile($container);
}
}
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