Fix handling of unmapped properties in proxy objects

lib/Doctrine/ODM/MongoDB/Proxy/Factory/StaticProxyFactory.php

@@ -145,13 +145,21 @@ private function createInitializer(
      */
     private function skippedFieldsFqns(ClassMetadata $metadata): array
     {
-        $idFieldFqcns = [];
+        $skippedFieldsFqns = [];
 
         foreach ($metadata->getIdentifierFieldNames() as $idField) {
-            $idFieldFqcns[] = $this->propertyFqcn($metadata->getReflectionProperty($idField));
+            $skippedFieldsFqns[] = $this->propertyFqcn($metadata->getReflectionProperty($idField));
         }
 
-        return $idFieldFqcns;
+        foreach ($metadata->getReflectionClass()->getProperties() as $property) {
+            if ($metadata->hasField($property->getName())) {
+                continue;
+            }
+
+            $skippedFieldsFqns[] = $this->propertyFqcn($property);
+        }
+
+        return $skippedFieldsFqns;
     }
 
     private function propertyFqcn(ReflectionProperty $property): string

tests/Doctrine/ODM/MongoDB/Tests/Proxy/Factory/StaticProxyFactoryTest.php

@@ -11,6 +11,7 @@
 use Doctrine\ODM\MongoDB\LockException;
 use Doctrine\ODM\MongoDB\Tests\BaseTestCase;
 use Documents\Cart;
+use Documents\DocumentWithUnmappedProperties;
 use MongoDB\Client;
 use MongoDB\Collection;
 use MongoDB\Database;
@@ -22,15 +23,10 @@ class StaticProxyFactoryTest extends BaseTestCase
     /** @var Client|MockObject */
     private Client $client;
 
-    public function setUp(): void
+    public function testProxyInitializeWithException(): void
     {
-        parent::setUp();
-
         $this->dm = $this->createMockedDocumentManager();
-    }
 
-    public function testProxyInitializeWithException(): void
-    {
         $collection = $this->createMock(Collection::class);
         $database   = $this->createMock(Database::class);
 
@@ -81,6 +77,17 @@ private function createMockedDocumentManager(): DocumentManager
 
         return DocumentManager::create($this->client, $config);
     }
+
+    public function testCreateProxyForDocumentWithUnmappedProperties()
+    {
+        $proxy = $this->dm->getReference(DocumentWithUnmappedProperties::class, '123');
+        self::assertInstanceOf(GhostObjectInterface::class, $proxy);
+
+        // Disable initialiser so we can access properties without initialising the object
+        $proxy->setProxyInitializer(null);
+
+        self::assertSame('bar', $proxy->foo);
+    }
 }
 
 class DocumentNotFoundListener

tests/Documents/DocumentWithUnmappedProperties.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Documents;
+
+use Doctrine\ODM\MongoDB\Mapping\Annotations\Document;
+use Doctrine\ODM\MongoDB\Mapping\Annotations\Id;
+
+#[Document]
+class DocumentWithUnmappedProperties
+{
+    #[Id]
+    public string $id;
+
+    public string $foo = 'bar';
+}