Cover changes with jasmine test

Author: Nazar65

app/code/Magento/Theme/view/frontend/web/js/cookie-status.js

@@ -1,8 +1,8 @@
 define([
     'jquery',
     'Magento_Ui/js/modal/modal',
-    'mage/translate',
-], function($, modal){
+    'mage/translate'
+], function ($, modal) {
     'use strict';
 
     $.widget('mage.cookieStatus', {
@@ -14,6 +14,10 @@ define([
             buttons: [{
                 text: $.mage.__('Close'),
                 class: 'cookie-status',
+
+                /**
+                 * Callback for click event
+                 */
                 click: function () {
                     this.closeModal();
                 }
@@ -26,11 +30,11 @@ define([
          */
         _init: function () {
 
-            if(!navigator.cookieEnabled) {
+            if (!navigator.cookieEnabled) {
                 modal(this.options, $('#cookie-status'));
             }
         }
     });
-    
+
     return $.mage.cookieStatus;
-});
+});

dev/tests/js/jasmine/tests/app/code/Magento/Theme/view/frontend/web/js/cookie-status.test.js

@@ -0,0 +1,39 @@
+
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+define([
+    'jquery',
+    'cookieStatus'
+], function ($, Cookie) {
+    'use strict';
+
+    describe('Magento_Theme/js/cookie-status', function () {
+        var widget,
+            htmlContainer = '<div id="cookie-status" style="display: none"></div>',
+            navigator;
+
+        beforeEach(function () {
+            $(document.body).append(htmlContainer);
+            widget = new Cookie();
+            navigator = window.navigator;
+        });
+
+        afterEach(function () {
+            window.navigator = navigator;
+        });
+
+        it('verify cookie-status initialization', function () {
+            expect($.fn.cookieStatus).toBeDefined();
+            window.navigator = {
+                cookieEnabled: false
+            };
+            widget._init();
+            expect($('.cookie-status').length).toBe(1);
+            expect($(document.body).html()).toContain('<aside role="dialog" class="modal-popup');
+        });
+
+    });
+});