From 6fa1e9acd891263954fd1bce71c1770f7669c2c7 Mon Sep 17 00:00:00 2001
From: Toru Kobayashi <koba0004@gmail.com>
Date: Wed, 4 Jul 2018 16:49:40 +0900
Subject: [PATCH] a spy method should be enumerable

---
 packages/enzyme/src/Utils.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/enzyme/src/Utils.js b/packages/enzyme/src/Utils.js
index 571a64107..644bf0b1a 100644
--- a/packages/enzyme/src/Utils.js
+++ b/packages/enzyme/src/Utils.js
@@ -254,7 +254,7 @@ export function spyMethod(instance, methodName) {
   }
   Object.defineProperty(instance, methodName, {
     configurable: true,
-    enumerable: false,
+    enumerable: !descriptor || !!descriptor.enumerable,
     value(...args) {
       const result = originalMethod.apply(this, args);
       lastReturnValue = result;