Closes softlayer#156

CHANGELOG.md

@@ -1,5 +1,11 @@
 # sl-ember-test-helpers Changelog
 
+### 1.10.0
+
+* [#129](https://github.com/softlayer/sl-ember-test-helpers/issues/126) [ENHANCEMENT] Add globalLibraries helper
+
+[View complete changeset](https://github.com/softlayer/sl-ember-test-helpers/compare/v1.9.0...v1.10.0)
+
 ### 1.9.0
 
 * [#129](https://github.com/softlayer/sl-ember-test-helpers/issues/129) [BREAKING ENHANCEMENT] Upgrade to Ember CLI 1.13.8

README.md

@@ -85,6 +85,27 @@ The call to `requires` returns an object:
 }
 ```
 
+### Global Libraries
+
+Use this helper to determine if a component called globally scoped Ember.$, $ or jQuery. You must wrap your component with references to the setup and removal functions.
+
+```
+globalLibraries.setupSpies();
+this.subject();
+globalLibraries.restoreSpies();
+
+assert.strictEqual(
+    globalLibraries.called,
+    false,
+    'There are no references to Ember.$, $ or jQuery'
+);
+```
+
+The call to `called` returns a boolean:
+
+```
+<boolean: true if the spy detects a reference to the global scope, false if not>
+```
 
 ## Asynchronous
 

test-support/helpers/sl/register-test-helpers.js

@@ -2,11 +2,13 @@ import Ember from 'ember';
 import {
     contains,
     AjaxHelper,
-    requires
+    requires,
+    globalLibraries
 } from './synchronous';
 
 export default function() {
     Ember.Test.registerHelper( 'contains', contains );
     Ember.Test.registerHelper( 'Ajax', AjaxHelper );
     Ember.Test.registerHelper( 'requires', requires );
-}
+    Ember.Test.registerHelper( 'globalLibraries', globalLibraries );
+}

test-support/helpers/sl/synchronous.js

@@ -1,9 +1,11 @@
 import AjaxHelper from './synchronous/ajax';
 import contains from './synchronous/contains';
 import requires from './synchronous/requires';
+import * as globalLibraries from './synchronous/global-libraries';
 
 export {
     AjaxHelper,
     contains,
-    requires
-};
+    requires,
+    globalLibraries
+};

test-support/helpers/sl/synchronous/global-libraries.js

@@ -0,0 +1,21 @@
+import Ember from 'ember';
+import sinon from 'sinon';
+
+export let called;
+export let jqueryAliasSpy;
+export let jquerySpy;
+export let emberJquery;
+
+export function setupSpies() {
+    jqueryAliasSpy = sinon.spy( window, '$' );
+    jquerySpy = sinon.spy( window, 'jQuery' );
+    emberJquery = sinon.spy( Ember, '$' );
+}
+
+export function restoreSpies() {
+    called = jqueryAliasSpy.called || jquerySpy.called || emberJquery.called;
+
+    window.$.restore();
+    window.jQuery.restore();
+    Ember.$.restore();
+}

tests/unit/helpers/sl/synchronous/global-libaries-test.js

@@ -0,0 +1,23 @@
+import { test } from 'ember-qunit';
+import * as globalLibraries from '../../../../helpers/sl/synchronous/global-libraries';
+
+module( 'Unit | Helpers | sl/synchronous/global-libraries' );
+
+test( 'it exists', function( assert ) {
+    assert.ok(
+        globalLibraries,
+        'it exists'
+    );
+});
+
+test( 'Functions as expected', function( assert ) {
+    globalLibraries.setupSpies();
+
+    globalLibraries.restoreSpies();
+
+    assert.equal(
+        globalLibraries.called,
+        false,
+        'There are no references to Ember.$, $ or jQuery'
+    );
+});