AC-465: Allow to configure input limit for RESTful endpoints

Author: arhiopterecs

app/code/Magento/Webapi/Controller/Rest/InputParamsResolver.php

@@ -184,9 +184,9 @@ private function validateParameters(
             }
         }
         if (!empty($paramOverriders)) {
-            throw new \UnexpectedValueException(
-                __('The current request does not expect the next parameters: ' . implode(', ', $paramOverriders))
-            );
+            $message = 'The current request does not expect the next parameters: '
+                . implode(', ', $paramOverriders);
+            throw new \UnexpectedValueException(__($message)->__toString());
         }
     }
 }

dev/tests/api-functional/framework/Magento/TestFramework/TestCase/WebapiAbstract.php

@@ -566,6 +566,9 @@ protected function _restoreAppConfig()
     public function processRestExceptionResult(\Exception $e)
     {
         $error = json_decode($e->getMessage(), true);
+        if(json_last_error() !== JSON_ERROR_NONE) {
+            $error['message'] = $e->getMessage();
+        }
         //Remove line breaks and replace with space
         $error['message'] = trim(preg_replace('/\s+/', ' ', $error['message']));
         // remove trace and type, will only be present if server is in dev mode

lib/internal/Magento/Framework/Config/ConfigOptionsListConstants.php

@@ -60,8 +60,10 @@ class ConfigOptionsListConstants
 
     /**
      * Default limiting input array size for asynchronous Web API
+     * phpcs:disable
      */
     public const CONFIG_PATH_WEBAPI_ASYNC_DEFAULT_INPUT_ARRAY_SIZE_LIMIT = 'webapi/async/default_input_array_size_limit';
+    //phpcs:enable
 
     /**#@+
      * Input keys for the options