8000 [DependencyInjection] Configure service tags via attributes. · symfony/symfony@fac3e51 · GitHub
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[DependencyInjection] Configure service tags via attributes.
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+567
-22
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31 files changed

+567
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‎src/Symfony/Component/DependencyInjection/Compiler/AttributeAutoconfigurationPass.php

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\DependencyInjection\Compiler;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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use Symfony\Contracts\Service\Attribute\TagInterface;
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final class AttributeAutoconfigurationPass implements CompilerPassInterface
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{
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public function process(ContainerBuilder $container): void
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{
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if (80000 > \PHP_VERSION_ID || !\interface_exists(TagInterface::class)) {
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return;
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}
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foreach ($container->getDefinitions() as $definition) {
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if (!$definition->isAutoconfigured()) {
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continue;
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}
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if (!$class = $container->getParameterBag()->resolveValue($definition->getClass())) {
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continue;
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}
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try {
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$reflector = new \ReflectionClass($class);
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} catch (\ReflectionException $e) {
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continue;
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}
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foreach ($reflector->getAttributes(TagInterface::class, \ReflectionAttribute::IS_INSTANCEOF) as $attribute) {
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/** @var TagInterface $tag */
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$tag = $attribute->newInstance();
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$definition->addTag($tag->getName(), $tag->getAttributes());
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}
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}
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}
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}

‎src/Symfony/Component/DependencyInjection/Compiler/PassConfig.php

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@@ -42,6 +42,7 @@ public function __construct()
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$this->beforeOptimizationPasses = [
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100 => [
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new ResolveClassPass(),
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new AttributeAutoconfigurationPass(),
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new ResolveInstanceofConditionalsPass(),
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new RegisterEnvVarProcessorsPass(),
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],

‎src/Symfony/Component/DependencyInjection/Tests/Compiler/IntegrationTest.php

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@@ -16,6 +16,7 @@
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use Symfony\Component\DependencyInjection\Alias;
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use Symfony\Component\DependencyInjection\Argument\ServiceLocatorArgument;
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use Symfony\Component\DependencyInjection\Argument\TaggedIteratorArgument;
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use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
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use Symfony\Component\DependencyInjection\Reference;
@@ -24,6 +25,9 @@
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use Symfony\Component\DependencyInjection\Tests\Fixtures\FooBarTaggedClass;
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use Symfony\Component\DependencyInjection\Tests\Fixtures\FooBarTaggedForDefaultPriorityClass;
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use Symfony\Component\DependencyInjection\Tests\Fixtures\FooTagClass;
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use Symfony\Component\DependencyInjection\Tests\Fixtures\TaggedService1;
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use Symfony\Component\DependencyInjection\Tests\Fixtures\TaggedService2;
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use Symfony\Component\DependencyInjection\Tests\Fixtures\TaggedService3;
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use Symfony\Contracts\Service\ServiceProviderInterface;
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use Symfony\Contracts\Service\ServiceSubscriberInterface;
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@@ -506,6 +510,41 @@ public function testTaggedServiceLocatorWithDefaultIndex()
506510
];
507511
$this->assertSame($expected, ['baz' => $serviceLocator->get('baz')]);
508512
}
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/**
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* @requires PHP 8
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*/
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public function testTagsViaAttribute()
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{
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$container = new ContainerBuilder();
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$container->register('one', TaggedService1::class)
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->setPublic(true)
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->setAutoconfigured(true);
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$container->register('two', TaggedService2::class)
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->setPublic(true)
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->setAutoconfigured(true);
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$container->register('three', TaggedService3::class)
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->setPublic(true)
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->setAutoconfigured(true);
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$collector = new TagCollector();
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$container->addCompilerPass($collector);
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$container->compile();
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self::assertSame([
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'one' => [
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['foo' => 'bar', 'priority' => 0],
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['bar' => 'baz', 'priority' => 0],
539+
],
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'two' => [
541+
['someAttribute' => 'prio 100', 'priority' => 100],
542+
],
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'three' => [
544+
['someAttribute' => 'custom_tag_class'],
545+
]
546+
], $collector->collectedTags);
547+
}
509548
}
510549

511550
class ServiceSubscriberStub implements ServiceSubscriberInterface
@@ -566,3 +605,13 @@ public function setSunshine($type)
566605
{
567606
}
568607
}
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final class TagCollector implements CompilerPassInterface
610+
{
611+
public $collectedTags;
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613+
public function process(ContainerBuilder $container): void
614+
{
615+
$this->collectedTags = $container->findTaggedServiceIds('app.custom_tag');
616+
}
617+
}

‎src/Symfony/Component/DependencyInjection/Tests/Fixtures/Attribute/CustomTag.php

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<?php
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/*
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* This file is part of the Symfony package.
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*
6+
* (c) Fabien Potencier <fabien@symfony.com>
7+
*
8+
* For the full copyright and license information, please view the LICENSE
9+
* file that was distributed with this source code.
10+
*/
11+
12+
namespace Symfony\Component\DependencyInjection\Tests\Fixtures\Attribute;
13+
14+
use Symfony\Contracts\Service\Attribute\TagInterface;
15+
16+
#[\Attribute(\Attribute::TARGET_CLASS)]
17+
final class CustomTag implements TagInterface
18+
{
19+
public function getName(): string
20+
{
21+
return 'app.custom_tag';
22+
}
23+
24+
public function getAttributes(): array
25+
{
26+
return ['someAttribute' => 'custom_tag_class'];
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}
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}

‎src/Symfony/Component/DependencyInjection/Tests/Fixtures/TaggedService1.php

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
7+
*
8+
* For the full copyright and license information, please view the LICENSE
9+
* file that was distributed with this source code.
10+
*/
11+
12+
namespace Symfony\Component\DependencyInjection\Tests\Fixtures;
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use Symfony\Contracts\Service\Attribute\Tag;
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#[Tag(name: 'app.custom_tag', attributes: ['foo' => 'bar'])]
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#[Tag(name: 'app.custom_tag', attributes: ['bar' => 'baz'])]
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final class TaggedService1
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{
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}

‎src/Symfony/Component/DependencyInjection/Tests/Fixtures/TaggedService2.php

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
7+
*
8+
* For the full copyright and license information, please view the LICENSE
9+
* file that was distributed with this source code.
10+
*/
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12+
namespace Symfony\Component\DependencyInjection\Tests\Fixtures;
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use Symfony\Contracts\Service\Attribute\Tag;
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#[Tag(name: 'app.custom_tag', priority: 100, attributes: ['someAttribute' => 'prio 100'])]
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final class TaggedService2
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{
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}

‎src/Symfony/Component/DependencyInjection/Tests/Fixtures/TaggedService3.php

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
7+
*
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* For the full copyright and license information, please view the LICENSE
9+
* file that was distributed with this source code.
10+
*/
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namespace Symfony\Component\DependencyInjection\Tests\Fixtures;
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use Symfony\Component\DependencyInjection\Tests\Fixtures\Attribute\CustomTag;
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#[CustomTag]
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final class TaggedService3
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{
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}

‎src/Symfony/Component/EventDispatcher/Attribute/EventListener.php

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
7+
*
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* For the full copyright and license information, please view the LICENSE
9+
* file that was distributed with this source code.
10+
*/
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namespace Symfony\Component\EventDispatcher\Attribute;
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use Symfony\Contracts\Service\Attribute\TagInterface;
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/**
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* Service tag to autoconfigure event listeners.
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*
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* @author Alexander M. Turek <me@derrabus.de>
20+
*/
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#[\Attribute(\Attribute::TARGET_CLASS | \Attribute::IS_REPEATABLE)]
22+
class EventListener implements TagInterface
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{
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public function __construct(
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private ?string $event = null,
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private ?string $method = null,
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private int $priority = 0
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) {
29+
}
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public function getName(): string
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{
33+
return 'kernel.event_listener';
34+
}
35+
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public function getAttributes(): array
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{
38+
return [
39+
'event' => $this->event,
40+
'method' => $this->method,
41+
'priority' => $this->priority,
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];
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}
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}

‎src/Symfony/Component/EventDispatcher/CHANGELOG.md

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11
CHANGELOG
22
=========
33

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5.3.0
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-----
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* Added the `EventListener` service tag attribute for PHP 8.
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49
5.1.0
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-----
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‎src/Symfony/Component/EventDispatcher/Tests/DependencyInjection/RegisterListenersPassTest.php

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1313

1414
use PHPUnit\Framework\TestCase;
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use Symfony\Component\DependencyInjection\Argument\ServiceClosureArgument;
16+
use Symfony\Component\DependencyInjection\Compiler\AttributeAutoconfigurationPass;
1617
use Symfony\Component\DependencyInjection\ContainerBuilder;
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use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
1819
use Symfony\Component\DependencyInjection\Reference;
1920
use Symfony\Component\EventDispatcher\DependencyInjection\AddEventAliasesPass;
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use Symfony\Component\EventDispatcher\DependencyInjection\RegisterListenersPass;
2122
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
23+
use Symfony\Component\EventDispatcher\Tests\Fixtures\CustomEvent;
24+
use Symfony\Component\EventDispatcher\Tests\Fixtures\TaggedInvokableListener;
25+
use Symfony\Component\EventDispatcher\Tests\Fixtures\TaggedMultiListener;
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2327
class RegisterListenersPassTest extends TestCase
2428
{
@@ -231,6 +235,74 @@ public function testInvokableEventListener()
231235
$this->assertEquals($expectedCalls, $definition->getMethodCalls());
232236
}
233237

238+
/**
239+
* @requires PHP 8
240+
*/
241+
public function testTaggedInvokableEventListener()
242+
{
243+
$container = new ContainerBuilder();
244+
$container->register('foo', TaggedInvokableListener::class)->setAutoconfigured(true);
245+
$container->register('event_dispatcher', \stdClass::class);
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(new AttributeAutoconfigurationPass())->process($container);
248+
(new RegisterListenersPass())->process($container);
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250+
$definition = $container->getDefinition('event_dispatcher');
251+
$expectedCalls = [
252+
[
253+
'addListener',
254+
[
255+
CustomEvent::class,
256+
[new ServiceClosureArgument(new Reference('foo')), '__invoke'],
257+
0,
258+
],
259+
],
260+
];
261+
$this->assertEquals($expectedCalls, $definition->getMethodCalls());
262+
}
263+
264+
/**
265+
* @requires PHP 8
266+
*/
267+
public function testTaggedMultiEventListener()
268+
{
269+
$container = new ContainerBuilder();
270+
$container->register('foo', TaggedMultiListener::class)->setAutoconfigured(true);
271+
$container-&g 97AE t;register('event_dispatcher', \stdClass::class);
272+
273+
(new AttributeAutoconfigurationPass())->process($container);
274+
(new RegisterListenersPass())->process($container);
275+
276+
$definition = $container->getDefinition('event_dispatcher');
277+
$expectedCalls = [
278+
[
279+
'addListener',
280+
[
281+
CustomEvent::class,
282+
[new ServiceClosureArgument(new Reference('foo')), 'onCustomEvent'],
283+
0,
284+
],
285+
],
286+
[
287+
'addListener',
288+
[
289+
'foo',
290+
[new ServiceClosureArgument(new Reference('foo')), 'onFoo'],
291+
42,
292+
],
293+
],
294+
[
295+
'addListener',
296+
[
297+
'bar',
298+
[new ServiceClosureArgument(new Reference('foo')), 'onBarEvent'],
299+
0,
300+
],
301+
],
302+
];
303+
$this->assertEquals($expectedCalls, $definition->getMethodCalls());
304+
}
305+
234306
public function testAliasedEventListener()
235307
{
236308
$container = new ContainerBuilder();
@@ -419,10 +491,6 @@ final class AliasedEvent
419491
{
420492
}
421493

422-
final class CustomEvent
423-
{
424-
}
425-
426494
final class TypedListener
427495
{
428496
public function __invoke(AliasedEvent $event): void

‎src/Symfony/Component/EventDispatcher/Tests/Fixtures/CustomEvent.php

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1+
<?php
2+
3+
/*
4+
* This file is part of the Symfony package.
5+
*
6+
* (c) Fabien Potencier <fabien@symfony.com>
7+
*
8+
* For the full copyright and license information, please view the LICENSE
9+
* file that was distributed with this source code.
10+
*/
11+
12+
namespace Symfony\Component\EventDispatcher\Tests\Fixtures;
13+
14+
final class CustomEvent
15+
{
16+
}

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