Merge pull request #1365 from jbenezech/1361_empty_serializer_group

Fixes 1361 - Define the serializer groups parameter as a collection

Author: GuilhemN

Resources/config/view.xml

@@ -6,7 +6,7 @@
 
     <parameters>
         <parameter key="fos_rest.serializer.exclusion_strategy.version" />
-        <parameter key="fos_rest.serializer.exclusion_strategy.groups"/>
+        <parameter key="fos_rest.serializer.exclusion_strategy.groups" type="collection"/>
         <parameter key="fos_rest.view_handler.jsonp.callback_param"/>
         <parameter key="fos_rest.view.exception_wrapper_handler">FOS\RestBundle\View\ExceptionWrapperHandler</parameter>
         <parameter key="fos_rest.view_handler.default.class">FOS\RestBundle\View\ViewHandler</parameter>

Tests/DependencyInjection/FOSRestExtensionTest.php

@@ -334,6 +334,13 @@ public function testValidatorAliasWhenDisabled()
         $this->assertFalse($this->container->has('fos_rest.validator'));
     }
 
+    public function testDefaultSerializerGroupsIsArray()
+    {
+        $config = array();
+        $this->extension->load($config, $this->container);
+        $this->assertTrue(is_array($this->container->getParameter('fos_rest.serializer.exclusion_strategy.groups')));
+    }
+
     /**
      * Test that extension loads properly.
      */