test: ensure Proxy::_real() always return same object (#809)

Author: nikophil

tests/Integration/ORM/EntityRelationship/ProxyEntityFactoryRelationshipTest.php

@@ -133,6 +133,31 @@ public function can_use_assert_persisted_when_entity_has_changes(): void
         $contact->_assertPersisted();
     }
 
+    /** @test */
+    #[Test]
+    public function real_method_always_return_same_instance(): void
+    {
+        $category = static::categoryFactory()->create();
+
+        $this->assertSame($category->_real(), $category->_real());
+
+        $category->_real()->addContact($contact1 = static::contactFactory()->create()->_real());
+        $category->_real()->addContact($contact2 = static::contactFactory()->create()->_real());
+
+        $category->_real()->addSecondaryContact($contact3 = static::contactFactory()->create()->_real());
+        $category->_real()->addSecondaryContact($contact4 = static::contactFactory()->create()->_real());
+
+        $category->_save();
+
+        $this->assertSame($category->_real(), $category->_real());
+
+        $this->assertSame([$contact1, $contact2], $category->getContacts()->getValues());
+        $this->assertSame([$contact1, $contact2], $category->_real()->getContacts()->getValues());
+
+        $this->assertSame([$contact3, $contact4], $category->getSecondaryContacts()->getValues());
+        $this->assertSame([$contact3, $contact4], $category->_real()->getSecondaryContacts()->getValues());
+    }
+
     protected static function contactFactory(): ProxyContactFactory
     {
         return ProxyContactFactory::new();

tests/Integration/Persistence/GenericProxyFactoryTestCase.php

@@ -248,6 +248,21 @@ public function can_get_real_object_even_if_modified(): void
         self::assertSame('foo', $real->getProp1());
     }
 
+    /**
+     * @test
+     */
+    #[Test]
+    public function assert_real_method_returns_same_object_regardless_of_auto_refresh(): void
+    {
+        $object = static::factory()->create();
+
+        self::assertSame($object->_real(withAutoRefresh: false), $object->_real());
+
+        // check with a modified object
+        $object->setProp1('foo');
+        self::assertSame($object->_real(withAutoRefresh: false), $object->_real());
+    }
+
     /**
      * @test
      */