PoC Property Hooks support, what is missing still?

tests/Tests/Models/PropertyHooks/User.php

@@ -2,10 +2,21 @@
 // phpcs:ignoreFile
 namespace Doctrine\Tests\Models\PropertyHooks;
 
-use DateTime;
+use Doctrine\DBAL\Types\Types;
+use Doctrine\ORM\Mapping\Column;
+use Doctrine\ORM\Mapping\Entity;
+use Doctrine\ORM\Mapping\GeneratedValue;
+use Doctrine\ORM\Mapping\Id;
+use Doctrine\ORM\Mapping\Table;
 
+#[Entity]
+#[Table(name: 'property_hooks_user')]
 class User
 {
+    #[Id, GeneratedValue, Column(type: Types::INTEGER)]
+    public ?int $id;
+
+    #[Column(type: Types::STRING)]
     public string $first {
         set {
             if (strlen($value) === 0) {
@@ -15,6 +26,7 @@ class User
         }
     }
 
+    #[Column(type: Types::STRING)]
     public string $last {
         set {
             if (strlen($value) === 0) {
@@ -34,6 +46,7 @@ class User
         }
     }
 
+    #[Column(type: Types::STRING)]
     public string $language = 'de' {
         // Override the "read" action with arbitrary logic.
         get => strtoupper($this->language);

tests/Tests/ORM/Functional/PropertyHooksTest.php

@@ -0,0 +1,62 @@
+<?php
+
+namespace Doctrine\Tests\ORM\Functional;
+
+use Doctrine\Tests\Models\PropertyHooks\User;
+use Doctrine\Tests\OrmFunctionalTestCase;
+use PHPUnit\Framework\Attributes\RequiresPhp;
+
+#[RequiresPhp('>= 8.4.0')]
+class PropertyHooksTest extends OrmFunctionalTestCase
+{
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $this->createSchemaForModels(
+            User::class,
+        );
+    }
+
+    public function testMapPropertyHooks(): void
+    {
+        $user = new User();
+        $user->fullName = 'John Doe';
+        $user->language = 'EN';
+
+        $this->_em->persist($user);
+        $this->_em->flush();
+        $this->_em->clear();
+
+        $user = $this->_em->find(User::class, $user->id);
+
+        self::assertEquals('John', $user->first);
+        self::assertEquals('Doe', $user->last);
+        self::assertEquals('John Doe', $user->fullName);
+        self::assertEquals('EN', $user->language, 'The property hook uppercases the language.');
+
+        $language = $this->_em->createQuery('SELECT u.language FROM ' . User::class . ' u WHERE u.id = :id')
+            ->setParameter('id', $user->id)
+            ->getSingleScalarResult();
+
+        $this->assertEquals('en', $language, 'Selecting a field from DQL does not go through the property hook, accessing raw data.');
+    }
+
+    public function testTriggerLazyLoadingWhenAccessingPropertyHooks(): void
+    {
+        $user = new User();
+        $user->fullName = 'Ludwig von Beethoven';
+        $user->language = 'DE';
+
+        $this->_em->persist($user);
+        $this->_em->flush();
+        $this->_em->clear();
+
+        $user = $this->_em->getReference(User::class, $user->id);
+
+        self::assertEquals('John', $user->first);
+        self::assertEquals('Doe', $user->last);
+        self::assertEquals('John Doe', $user->fullName);
+        self::assertEquals('EN', $user->language, 'The property hook uppercases the language.');
+    }
+}