Add cleanup for handlers cache.

This is useful if we want to override certain handler for testing
but have no way to remove it from cache otherwise.

Change-Id: Icb4f9360c6e7684d15e91a7009a5a3a3e2febb37

diff --git a/includes/content/ContentHandler.php b/includes/content/ContentHandler.php
index eab3afb..3cfac8f 100644 (file)
--- a/includes/content/ContentHandler.php
+++ b/includes/content/ContentHandler.php
@@ -332,6 +332,13 @@ abstract class ContentHandler {
                return self::$handlers[$modelId];
        }
 
+       /**
+        * Clean up handlers cache.
+        */
+       public static function cleanupHandlersCache() {
+               self::$handlers = [];
+       }
+
        /**
         * Returns the localized name for a given content model.
         *