From cda7d7fdd05bf29b6bdf5d58457b1bcf22b1d195 Mon Sep 17 00:00:00 2001
From: Soha Jin <soha@lohu.info>
Date: Sat, 3 Sep 2022 02:05:50 +0800
Subject: [PATCH] [DependencyInjection] Fix PriorityTaggedServiceTrait for
 `AsTaggedItem`

If `$tagName` is string, `$defaultPriorityMethod` will be null, and `PriorityTaggedServiceUtil::getDefault` won't work for tagged services. This will cause `AsTaggedItem` not working for these tag names.
---
 .../Compiler/PriorityTaggedServiceTrait.php      | 15 ++++++++-------
 .../Compiler/PriorityTaggedServiceTraitTest.php  | 16 ++++++++++++++--
 2 files changed, 22 insertions(+), 9 deletions(-)

diff --git a/src/Symfony/Component/DependencyInjection/Compiler/PriorityTaggedServiceTrait.php b/src/Symfony/Component/DependencyInjection/Compiler/PriorityTaggedServiceTrait.php
index 8c4d841f5a1f8..c9cc5be2eb3c2 100644
--- a/src/Symfony/Component/DependencyInjection/Compiler/PriorityTaggedServiceTrait.php
+++ b/src/Symfony/Component/DependencyInjection/Compiler/PriorityTaggedServiceTrait.php
@@ -62,25 +62,26 @@ private function findAndSortTaggedServices($tagName, ContainerBuilder $container
             $class = $container->getParameterBag()->resolveValue($class) ?: null;
             $checkTaggedItem = !$definition->hasTag(80000 <= \PHP_VERSION_ID && $definition->isAutoconfigured() ? 'container.ignore_attributes' : $tagName);
 
+            if ($class) {
+                $defaultPriority = PriorityTaggedServiceUtil::getDefault($container, $serviceId, $class, $defaultPriorityMethod, $tagName, 'priority', $checkTaggedItem);
+                $defaultIndex = PriorityTaggedServiceUtil::getDefault($container, $serviceId, $class, $defaultIndexMethod ?? 'getDefaultName', $tagName, $indexAttribute, $checkTaggedItem);
+            }
+
             foreach ($attributes as $attribute) {
                 $index = $priority = null;
 
                 if (isset($attribute['priority'])) {
                     $priority = $attribute['priority'];
-                } elseif (null === $defaultPriority && $defaultPriorityMethod && $class) {
-                    $defaultPriority = PriorityTaggedServiceUtil::getDefault($container, $serviceId, $class, $defaultPriorityMethod, $tagName, 'priority', $checkTaggedItem);
                 }
                 $priority = $priority ?? $defaultPriority ?? $defaultPriority = 0;
 
-                if (null === $indexAttribute && !$defaultIndexMethod && !$needsIndexes) {
+                if (null === $indexAttribute && null === $defaultIndex && !$needsIndexes) {
                     $services[] = [$priority, ++$i, null, $serviceId, null];
                     continue 2;
                 }
 
                 if (null !== $indexAttribute && isset($attribute[$indexAttribute])) {
                     $index = $attribute[$indexAttribute];
-                } elseif (null === $defaultIndex && $defaultPriorityMethod && $class) {
-                    $defaultIndex = PriorityTaggedServiceUtil::getDefault($container, $serviceId, $class, $defaultIndexMethod ?? 'getDefaultName', $tagName, $indexAttribute, $checkTaggedItem);
                 }
                 $index = $index ?? $defaultIndex ?? $defaultIndex = $serviceId;
 
@@ -119,13 +120,13 @@ class PriorityTaggedServiceUtil
     /**
      * @return string|int|null
      */
-    public static function getDefault(ContainerBuilder $container, string $serviceId, string $class, string $defaultMethod, string $tagName, ?string $indexAttribute, bool $checkTaggedItem)
+    public static function getDefault(ContainerBuilder $container, string $serviceId, string $class, ?string $defaultMethod, string $tagName, ?string $indexAttribute, bool $checkTaggedItem)
     {
         if (!($r = $container->getReflectionClass($class)) || (!$checkTaggedItem && !$r->hasMethod($defaultMethod))) {
             return null;
         }
 
-        if ($checkTaggedItem && !$r->hasMethod($defaultMethod)) {
+        if ($checkTaggedItem && (!$defaultMethod || !$r->hasMethod($defaultMethod))) {
             foreach ($r->getAttributes(AsTaggedItem::class) as $attribute) {
                 return 'priority' === $indexAttribute ? $attribute->newInstance()->priority : $attribute->newInstance()->index;
             }
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Compiler/PriorityTaggedServiceTraitTest.php b/src/Symfony/Component/DependencyInjection/Tests/Compiler/PriorityTaggedServiceTraitTest.php
index 4f4b2a69468af..6ea0892774d0e 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Compiler/PriorityTaggedServiceTraitTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Compiler/PriorityTaggedServiceTraitTest.php
@@ -214,14 +214,26 @@ public function testTaggedItemAttributes()
         $priorityTaggedServiceTraitImplementation = new PriorityTaggedServiceTraitImplementation();
 
         $tag = new TaggedIteratorArgument('my_custom_tag', 'foo', 'getFooBar');
+
+        // Test TaggedIteratorArgument
+        $services = $priorityTaggedServiceTraitImplementation->test($tag, $container);
         $expected = [
             'service3' => new TypedReference('service3', HelloNamedService2::class),
             'hello' => new TypedReference('service2', HelloNamedService::class),
             'service1' => new TypedReference('service1', FooTagClass::class),
         ];
-        $services = $priorityTaggedServiceTraitImplementation->test($tag, $container);
         $this->assertSame(array_keys($expected), array_keys($services));
-        $this->assertEquals($expected, $priorityTaggedServiceTraitImplementation->test($tag, $container));
+        $this->assertEquals($expected, $services);
+
+        // Test string
+        $services = $priorityTaggedServiceTraitImplementation->test($tag->getTag(), $container);
+        $expected = [
+            0 => new Reference('service3'),
+            'hello' => new TypedReference('service2', HelloNamedService::class),
+            1 => new Reference('service1'),
+        ];
+        $this->assertSame(array_keys($expected), array_keys($services));
+        $this->assertEquals($expected, $services);
     }
 }