Improve test so that the DTO can fallback to the same class but with some modified data if needed

Author: silverbackdan

features/jsonld/input_output.feature

@@ -116,7 +116,7 @@ Feature: JSON-LD DTO input and output
       "@id": "/dummy_dto_output_fallback_to_same_classes/1",
       "@type": "DummyDtoOutputFallbackToSameClass",
       "lorem": "test",
-      "ipsum": "1",
+      "ipsum": "modified",
       "id": 1
     }
     """

src/JsonLd/Serializer/ItemNormalizer.php

@@ -67,6 +67,7 @@ public function normalize($object, $format = null, array $context = [])
     {
         $objectClass = $this->getObjectClass($object);
         $outputClass = $this->getOutputClass($objectClass, $context);
+
         if (null !== $outputClass && !isset($context[self::IS_TRANSFORMED_TO_SAME_CLASS_CONTEXT_KEY])) {
             return parent::normalize($object, $format, $context);
         }

tests/Fixtures/TestBundle/DataTransformer/OutputDtoUnmodifiedDataTransformer.php renamed to tests/Fixtures/TestBundle/DataTransformer/OutputDtoFallbackSameClassTransformer.php

@@ -22,13 +22,18 @@
  *
  * @author Daniel West <[email protected]>
  */
-final class OutputDtoUnmodifiedDataTransformer implements DataTransformerInterface
+final class OutputDtoFallbackSameClassTransformer implements DataTransformerInterface
 {
     /**
      * {@inheritdoc}
      */
     public function transform($object, string $to, array $context = [])
     {
+        if (!$object instanceof DummyDtoOutputFallbackToSameClass) {
+            throw new \InvalidArgumentException();
+        }
+        $object->ipsum = 'modified';
+
         return $object;
     }
 

tests/Fixtures/app/config/config_common.yml

@@ -226,6 +226,12 @@ services:
         tags:
             -  { name: 'api_platform.data_transformer' }
 
+    app.data_transformer.custom_output_dto_fallback_same_class:
+        class: 'ApiPlatform\Core\Tests\Fixtures\TestBundle\DataTransformer\OutputDtoFallbackSameClassTransformer'
+        public: false
+        tags:
+            - { name: 'api_platform.data_transformer' }
+
     app.data_transformer.input_dto:
         class: 'ApiPlatform\Core\Tests\Fixtures\TestBundle\DataTransformer\InputDtoDataTransformer'
         public: false