Cover #25556 with jasmine test

Author: Nazar65

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

@@ -0,0 +1,62 @@
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+define([
+    'mage/adminhtml/browser',
+    'jquery'
+], function (browser, $) {
+    'use strict';
+
+    var obj;
+
+    beforeEach(function () {
+
+        /**
+         * Dummy constructor to use for instantiation
+         * @constructor
+         */
+        var Constr = function () {};
+
+        Constr.prototype = browser;
+
+        obj = new Constr();
+    });
+
+    describe('"openDialog" method', function () {
+        it('Opens dialog with provided targetElementId', function () {
+            var options = {
+                        'targetElementId': 1
+                    };
+
+            spyOn($, 'ajax').and.callFake(
+             function () {
+                    return {
+                        done: function (data) {
+                                            obj.targetElementId = 1;
+                                        }
+                    }
+                });
+            obj.openDialog('instance/url', 100, 100, 'title', options);
+            obj.openDialog('instance/url', 100, 100, 'title', options);
+            expect($.ajax.calls.count()).toBe(1);
+
+        });
+
+        it('Opens dialog with provided url param', function () {
+            spyOn($, 'ajax').and.callFake(
+             function () {
+                return {
+                    done: function (data) {
+                                    obj.targetElementId = 'instance/url';
+                                    obj.modalLoaded = true;
+                                }
+                }
+            });
+            obj.openDialog('instance/url', 100, 100, 'title', undefined);
+            obj.openDialog('instance/url', 100, 100, 'title', undefined);
+            expect($.ajax.calls.count()).toBe(1);
+        });
+    });
+});