test: fix tests re: Automattic/mongoose#6880

mongoosejs · Aug 22, 2018 · 06e8aa7 · 06e8aa7
1 parent 59d59f1
commit 06e8aa7
Showing 1 changed file with 2 additions and 4 deletions.
diff --git a/lib/utils.js b/lib/utils.js
@@ -29,10 +29,8 @@ var clone = exports.clone = function clone(obj, options) {
         : new obj.constructor(obj.id);
     }
 
-    if ('ReadPreference' === obj._type && obj.isValid && obj.toObject) {
-      return 'function' == typeof obj.clone
-        ? obj.clone()
-        : new obj.constructor(obj.mode, clone(obj.tags, options));
+    if (obj.constructor.name === 'ReadPreference') {
+      return new obj.constructor(obj.mode, clone(obj.tags, options));
     }
 
     if ('Binary' == obj._bsontype && obj.buffer && obj.value) {