Make annotation reader optional

Author: W0rma

Request/ParamReader.php

@@ -23,9 +23,12 @@
  */
 final class ParamReader implements ParamReaderInterface
 {
+    /**
+     * @var Reader|null
+     */
     private $annotationReader;
 
-    public function __construct(Reader $annotationReader)
+    public function __construct(?Reader $annotationReader = null)
     {
         $this->annotationReader = $annotationReader;
     }
@@ -55,10 +58,12 @@ public function getParamsFromMethod(\ReflectionMethod $method): array
             $annotations = $this->getParamsFromAttributes($method);
         }
 
-        $annotations = array_merge(
-            $annotations,
-            $this->annotationReader->getMethodAnnotations($method) ?? []
-        );
+        if (null !== $this->annotationReader) {
+            $annotations = array_merge(
+                $annotations,
+                $this->annotationReader->getMethodAnnotations($method) ?? []
+            );
+        }
 
         return $this->getParamsFromAnnotationArray($annotations);
     }
@@ -73,10 +78,12 @@ public function getParamsFromClass(\ReflectionClass $class): array
             $annotations = $this->getParamsFromAttributes($class);
         }
 
-        $annotations = array_merge(
-            $annotations,
-            $this->annotationReader->getClassAnnotations($class) ?? []
-        );
+        if (null !== $this->annotationReader) {
+            $annotations = array_merge(
+                $annotations,
+                $this->annotationReader->getClassAnnotations($class) ?? []
+            );
+        }
 
         return $this->getParamsFromAnnotationArray($annotations);
     }

Resources/config/request.xml

@@ -16,7 +16,7 @@
         <service id="FOS\RestBundle\Request\ParamFetcherInterface" alias="fos_rest.request.param_fetcher" />
 
         <service id="fos_rest.request.param_fetcher.reader" class="FOS\RestBundle\Request\ParamReader" public="false">
-            <argument type="service" id="annotation_reader"/>
+            <argument type="service" id="annotation_reader" on-invalid="null"/>
         </service>
 
     </services>

Tests/Request/ParamReaderTest.php

@@ -98,8 +98,7 @@ public function testReadsOnlyParamAnnotations()
      */
     public function testReadsAttributes()
     {
-        $annotationReader = $this->getMockBuilder(AnnotationReader::class)->getMock();
-        $paramReader = new ParamReader($annotationReader);
+        $paramReader = new ParamReader();
         $params = $paramReader->read(new \ReflectionClass(ParamsAnnotatedController::class), 'getArticlesAttributesAction');
 
         $this->assertCount(6, $params);