diff --git a/src/Symfony/Component/EventDispatcher/DependencyInjection/RegisterListenersPass.php b/src/Symfony/Component/EventDispatcher/DependencyInjection/RegisterListenersPass.php
index f47120db9068b..0854f984f0f48 100644
--- a/src/Symfony/Component/EventDispatcher/DependencyInjection/RegisterListenersPass.php
+++ b/src/Symfony/Component/EventDispatcher/DependencyInjection/RegisterListenersPass.php
@@ -115,7 +115,11 @@ public function process(ContainerBuilder $container)
], function ($matches) { return strtoupper($matches[0]); }, $event['event']);
$event['method'] = preg_replace('/[^a-z0-9]/i', '', $event['method']);
- if (null !== ($class = $container->getDefinition($id)->getClass()) && ($r = $container->getReflectionClass($class, false)) && !$r->hasMethod($event['method']) && $r->hasMethod('__invoke')) {
+ if (null !== ($class = $container->getDefinition($id)->getClass()) && ($r = $container->getReflectionClass($class, false)) && !$r->hasMethod($event['method'])) {
+ if (!$r->hasMethod('__invoke')) {
+ throw new InvalidArgumentException(sprintf('None of the "%s" or "__invoke" methods exist for the service "foo". Please define the "method" attribute on "kernel.event_listener" tags.', $event['method'], $id, $this->listenerTag));
+ }
+
$event['method'] = '__invoke';
}
}
diff --git a/src/Symfony/Component/EventDispatcher/Tests/DependencyInjection/RegisterListenersPassTest.php b/src/Symfony/Component/EventDispatcher/Tests/DependencyInjection/RegisterListenersPassTest.php
index 5a965c058227a..e34926dd0ceb4 100644
--- a/src/Symfony/Component/EventDispatcher/Tests/DependencyInjection/RegisterListenersPassTest.php
+++ b/src/Symfony/Component/EventDispatcher/Tests/DependencyInjection/RegisterListenersPassTest.php
@@ -200,10 +200,20 @@ public function testEventSubscriberUnresolvableClassName()
public function testInvokableEventListener()
{
$container = new ContainerBuilder();
- $container->register('foo', \stdClass::class)->addTag('kernel.event_listener', ['event' => 'foo.bar']);
+ $container->setParameter('event_dispatcher.event_aliases', [AliasedEvent::class => 'aliased_event']);
+
+ $container->register('foo', \get_class(new class() {
+ public function onFooBar()
+ {
+ }
+ }))->addTag('kernel.event_listener', ['event' => 'foo.bar']);
$container->register('bar', InvokableListenerService::class)->addTag('kernel.event_listener', ['event' => 'foo.bar']);
$container->register('baz', InvokableListenerService::class)->addTag('kernel.event_listener', ['event' => 'event']);
- $container->register('zar', \stdClass::class)->addTag('kernel.event_listener', ['event' => 'foo.bar_zar']);
+ $container->register('zar', \get_class(new class() {
+ public function onFooBarZar()
+ {
+ }
+ }))->addTag('kernel.event_listener', ['event' => 'foo.bar_zar']);
$container->register('event_dispatcher', \stdClass::class);
$registerListenersPass = new RegisterListenersPass();
@@ -247,6 +257,20 @@ public function testInvokableEventListener()
$this->assertEquals($expectedCalls, $definition->getMethodCalls());
}
+ public function testItThrowsAnExceptionIfTagIsMissingMethodAndClassHasNoValidMethod()
+ {
+ $this->expectException(InvalidArgumentException::class);
+ $this->expectExceptionMessage('None of the "onFooBar" or "__invoke" methods exist for the service "foo". Please define the "method" attribute on "kernel.event_listener" tags.');
+
+ $container = new ContainerBuilder();
+
+ $container->register('foo', \stdClass::class)->addTag('kernel.event_listener', ['event' => 'foo.bar']);
+ $container->register('event_dispatcher', \stdClass::class);
+
+ $registerListenersPass = new RegisterListenersPass();
+ $registerListenersPass->process($container);
+ }
+
/**
* @requires PHP 8
*/
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