cover gallery.js with jasmine test

Author: Nazar65

dev/tests/js/jasmine/tests/lib/mage/gallery/gallery.test.js

@@ -0,0 +1,100 @@
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+define([
+    'mage/gallery/gallery',
+    'jquery'
+], function (Gallery, $) {
+    'use strict';
+
+    var gallery,
+        options,
+        element;
+
+    beforeEach(function () {
+        options = {
+            options: {
+                allowfullscreen: true,
+                arrows: true,
+                height: 700,
+                keyboard: true,
+                loop: true,
+                nav: 'thumbs',
+                navarrows: true,
+                navdir: 'horizontal',
+                navtype: 'slides',
+                showCaption: false,
+                thumbheight: 110,
+                thumbwidth: 88,
+                transition: 'slide',
+                transitionduration: 500,
+                width: 700
+            },
+            fullscreen: {
+                arrows: true,
+                loop: true,
+                nav: 'thumbs',
+                navarrows: false,
+                navdir: 'horizontal',
+                navtype: 'slides',
+                showCaption: false,
+                transition: 'slide',
+                transitionduration: 500
+            },
+            breakpoints: {
+                mobile: {}
+            },
+            data: [
+                {
+                    caption: 'Simple product',
+                    isMain: true,
+                    position: '1',
+                    type: 'image',
+                    videoUrl: null,
+                    thumb: '',
+                    full: '',
+                    img: ''
+                }
+            ],
+            magnifierOpts: {
+                enabled: false,
+                eventType: 'hover',
+                fullscreenzoom: '20',
+                height: 100,
+                largeWrapper: '[data-gallery-role=\'magnifier\']',
+                left: 10,
+                mode: 'outside',
+                thumb: '.fotorama__img',
+                top: 10,
+                width: 100,
+                zoomable: false
+            }
+        };
+        element = $('<div class="gallery-placeholder' +
+            ' _block-content-loading" data-gallery-role="gallery-placeholder">' +
+            '<img alt="main product photo" class="gallery-placeholder__image" src="">' +
+            '</div>');
+
+        spyOn($.fn, 'data').and.callFake(function () {
+            return {
+                        setOptions: jasmine.createSpy().and.returnValue(true),
+                        updateOptions: jasmine.createSpy().and.returnValue(true)
+                    };
+        });
+        expect();
+        gallery = new Gallery(options, element);
+
+    });
+
+    describe('"initGallery" method', function () {
+        it('Verify gallery initialization', function () {
+            expect(gallery.settings.$elementF.class).toBe(element[1]);
+            expect(gallery.settings.fullscreenConfig).toBeDefined();
+            expect(gallery.settings.fotoramaApi).toBeDefined();
+            expect(gallery.settings.data).toBeDefined();
+            expect(gallery.settings.api).toBeDefined();
+        });
+    });
+});