Bug 1400394 - Remove `TestingUtils.deepCopy`. r=markh

MozReview-Commit-ID: 3ZZpA3inWSF

--HG--
extra : rebase_source : 506d1bb5bba484e65bcd5abed196c3ecc751fb1b

services/common/modules-testing/utils.js

@@ -1,42 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-"use strict";
-
-this.EXPORTED_SYMBOLS = [
-  "TestingUtils",
-];
-
-this.TestingUtils = {
-  /**
-   * Perform a deep copy of an Array or Object.
-   */
-  deepCopy: function deepCopy(thing, noSort) {
-    if (typeof(thing) != "object" || thing == null) {
-      return thing;
-    }
-
-    if (Array.isArray(thing)) {
-      let ret = [];
-      for (let element of thing) {
-        ret.push(this.deepCopy(element, noSort));
-      }
-
-      return ret;
-    }
-
-    let ret = {};
-    let props = Object.keys(thing);
-
-    if (!noSort) {
-      props = props.sort();
-    }
-
-    for (let prop of props) {
-      ret[prop] = this.deepCopy(thing[prop], noSort);
-    }
-
-    return ret;
-  },
-};

services/common/moz.build

@@ -40,7 +40,6 @@ if CONFIG['MOZ_WIDGET_TOOLKIT'] != 'android':
 
 TESTING_JS_MODULES.services.common += [
     'modules-testing/logging.js',
-    'modules-testing/utils.js',
 ]
 
 JS_PREFERENCE_FILES += [

services/common/tests/unit/test_utils_deepCopy.js

@@ -1,18 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
-   http://creativecommons.org/publicdomain/zero/1.0/ */
-
-Cu.import("resource://testing-common/services/common/utils.js");
-
-function run_test() {
-  let thing = {o: {foo: "foo", bar: ["bar"]}, a: ["foo", {bar: "bar"}]};
-  let ret = TestingUtils.deepCopy(thing);
-  do_check_neq(ret, thing)
-  do_check_neq(ret.o, thing.o);
-  do_check_neq(ret.o.bar, thing.o.bar);
-  do_check_neq(ret.a, thing.a);
-  do_check_neq(ret.a[1], thing.a[1]);
-  do_check_eq(ret.o.foo, thing.o.foo);
-  do_check_eq(ret.o.bar[0], thing.o.bar[0]);
-  do_check_eq(ret.a[0], thing.a[0]);
-  do_check_eq(ret.a[1].bar, thing.a[1].bar);
-}

services/common/tests/unit/xpcshell.ini

@@ -31,7 +31,6 @@ tags = blocklist
 [test_utils_atob.js]
 [test_utils_convert_string.js]
 [test_utils_dateprefs.js]
-[test_utils_deepCopy.js]
 [test_utils_encodeBase32.js]
 [test_utils_encodeBase64URL.js]
 [test_utils_ensureMillisecondsTimestamp.js]

services/sync/tests/unit/head_helpers.js

@@ -12,7 +12,6 @@
 
 Cu.import("resource://services-common/async.js");
 Cu.import("resource://services-common/utils.js");
-Cu.import("resource://testing-common/services/common/utils.js");
 Cu.import("resource://testing-common/PlacesTestUtils.jsm");
 Cu.import("resource://services-sync/util.js");
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
@@ -239,14 +238,14 @@ function mockGetWindowEnumerator(url, numWindows, numTabs, indexes, moreURLs) {
     elements.push(win);
 
     for (let t = 0; t < numTabs; ++t) {
-      tabs.push(TestingUtils.deepCopy({
+      tabs.push(Cu.cloneInto({
         index: indexes ? indexes() : 1,
         entries: (moreURLs ? [url].concat(moreURLs()) : [url]).map(url2entry),
         attributes: {
           image: "image"
         },
         lastAccessed: 1499
-      }));
+      }, {}));
     }
   }
 

services/sync/tests/unit/test_bookmark_livemarks.js

@@ -7,7 +7,6 @@ Cu.import("resource://services-sync/engines.js");
 Cu.import("resource://services-sync/engines/bookmarks.js");
 Cu.import("resource://services-sync/util.js");
 Cu.import("resource://services-sync/service.js");
-Cu.import("resource://testing-common/services/common/utils.js");
 
 const DESCRIPTION_ANNO = "bookmarkProperties/description";
 
@@ -55,7 +54,7 @@ const record631361 = {
 function makeLivemark(p, mintGUID) {
   let b = new Livemark("bookmarks", p.id);
   // Copy here, because tests mutate the contents.
-  b.cleartext = TestingUtils.deepCopy(p);
+  b.cleartext = Cu.cloneInto(p, {});
 
   if (mintGUID)
     b.id = Utils.makeGUID();

services/sync/tests/unit/test_tab_store.js

@@ -4,7 +4,6 @@
 Cu.import("resource://services-sync/engines/tabs.js");
 Cu.import("resource://services-sync/service.js");
 Cu.import("resource://services-sync/util.js");
-Cu.import("resource://testing-common/services/common/utils.js");
 
 async function getMockStore() {
   let engine = new TabEngine(Service);