From ad7056daa37b376bdddd990ad117fdd271dbda8d Mon Sep 17 00:00:00 2001
From: Nick Bottomley <nhbottomley@gmail.com>
Date: Fri, 24 Oct 2014 17:16:54 -0700
Subject: [PATCH] rewire methods as non-enumerable

---
 lib/rewire.js                       | 25 ++++++++++++++++++++-----
 test/testModules/sharedTestCases.js | 12 ++++++++++++
 2 files changed, 32 insertions(+), 5 deletions(-)

diff --git a/lib/rewire.js b/lib/rewire.js
index 086cc27..29ad93f 100644
--- a/lib/rewire.js
+++ b/lib/rewire.js
@@ -9,7 +9,7 @@ var Module = require("module"),
 
 var __get__Src = __get__.toString(),
     __set__Src = __set__.toString(),
-    __with_Src = __with__.toString();
+    __with__Src = __with__.toString();
 
 /**
  * Does actual rewiring the module. For further documentation @see index.js
@@ -18,7 +18,13 @@ function internalRewire(parentModulePath, targetPath) {
     var targetModule,
         prelude,
         appendix,
-        src;
+        srcs;
+
+    srcs = {
+        "__get__": __get__Src,
+        "__set__": __set__Src,
+        "__with__": __with__Src
+    };
 
     // Checking params
     if (typeof targetPath !== "string") {
@@ -42,11 +48,20 @@ function internalRewire(parentModulePath, targetPath) {
     // We prepend a list of all globals declared with var so they can be overridden (without changing original globals)
     prelude = getImportGlobalsSrc();
 
+
     // We append our special setter and getter.
     appendix = "\n";
-    appendix += "module.exports.__set__ = " + __set__Src + "; ";
-    appendix += "module.exports.__get__ = " + __get__Src + "; ";
-    appendix += "module.exports.__with__ = " + __with_Src + "; ";
+    
+    Object.keys(srcs).forEach( function (key) {
+        var str = [
+            "Object.defineProperty(module.exports, '",
+            key,
+            "', {enumerable: false, value: ",
+            srcs[key],
+            "}); "
+        ].join("");
+        appendix += str;
+    });
 
     // Check if the module uses the strict mode.
     // If so we must ensure that "use strict"; stays at the beginning of the module.
diff --git a/test/testModules/sharedTestCases.js b/test/testModules/sharedTestCases.js
index 1ba1fae..9e667e3 100644
--- a/test/testModules/sharedTestCases.js
+++ b/test/testModules/sharedTestCases.js
@@ -66,6 +66,18 @@ describe("rewire " + (typeof testEnv === "undefined"? "(node)": "(" + testEnv +
         expect(rewire("./moduleB.js").__with__.toString()).to.be(__with__Src);
     });
 
+    it("should provide __set__ as a non-enumerable property", function () {
+        expect(Object.keys(rewire("./moduleA.js")).indexOf("__set__")).to.be(-1)
+    });
+
+    it("should provide __get__ as a non-enumerable property", function () {
+        expect(Object.keys(rewire("./moduleA.js")).indexOf("__get__")).to.be(-1)
+    });
+
+    it("should provide __with__ as a non-enumerable property", function () {
+        expect(Object.keys(rewire("./moduleA.js")).indexOf("__with__")).to.be(-1)
+    });
+
     it("should not influence other modules", function () {
         rewire("./moduleA.js");