#12342: JSTestDriver removal

- Fix loader.test.js and removed JsTestDriver equivalent.

Author: omiroshnichenko

dev/tests/js/JsTestDriver/testsuite/mage/loader/jquery-loader-test.js

@@ -0,0 +1,79 @@
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+/* eslint-disable max-nested-callbacks */
+define([
+    'jquery',
+    'mage/loader'
+], function ($) {
+    'use strict';
+
+    describe('mage/loader', function () {
+        describe('Check loader', function () {
+            var loaderSelector = '#loader';
+
+            beforeEach(function () {
+                var $loader = $('<div id="loader"/>');
+
+                $('body').append($loader);
+            });
+
+            afterEach(function () {
+                $(loaderSelector).remove();
+                $(loaderSelector).loader('destroy');
+            });
+
+            it('Check that loader inited', function () {
+                var $loader = $(loaderSelector).loader({
+                    icon: 'icon.gif'
+                });
+
+                $loader.loader('show');
+
+                expect($loader.is(':mage-loader')).toBe(true);
+                expect($loader.find('p').text()).toBe('Please wait...');
+                expect($loader.find('img').prop('src').split('/').pop()).toBe('icon.gif');
+                expect($loader.find('img').prop('alt')).toBe('Loading...');
+            });
+
+            it('Body init', function () {
+                var $loader = $('body').loader();
+
+                $loader.loader('show');
+
+                expect($loader.is(':mage-loader')).toBe(true);
+                $loader.loader('destroy');
+            });
+
+            it('Check show/hide', function () {
+                var $loader = $(loaderSelector).loader(),
+                    $loadingMask;
+
+                $loader.loader('show');
+                $loadingMask = $('.loading-mask');
+                expect($loadingMask.is(':visible')).toBe(true);
+
+                $loader.loader('hide');
+                expect($loadingMask.is(':hidden')).toBe(true);
+
+                $loader.loader('show');
+                $loader.trigger('processStop');
+                expect($loadingMask.is(':hidden')).toBe(true);
+            });
+
+            it('Check destroy', function () {
+                var $loader = $(loaderSelector).loader(),
+                    $loadingMask;
+
+                $loader.loader('show');
+                $loadingMask = $('.loading-mask');
+                expect($loadingMask.is(':visible')).toBe(true);
+
+                $loader.loader('destroy');
+                expect($loadingMask.is(':visible')).toBe(false);
+            });
+        });
+    });
+});