ACP2E-98: Customer with global account sharing has to login again in the secondary website when guest checkout is disabled

- Added jasmine test for customer-global-session-loader.js file

Author: Mohan Ahuja

app/code/Magento/Customer/view/frontend/web/js/customer-global-session-loader.js

@@ -10,10 +10,10 @@ define([
     'use strict';
 
     return function () {
-        var customer = customerData.get('customer');
-
         // When the session is available, this customer menu will be available
         if ($('.customer-menu').length > 0) {
+            var customer = customerData.get('customer');
+
             customerData.getInitCustomerData().done(function () {
                 // Check if the customer data is set in local storage, if not reload data from server
                 if (!customer().firstname) {

dev/tests/js/jasmine/tests/app/code/Magento/Customer/frontend/js/customer-global-session-loader.test.js

@@ -0,0 +1,115 @@
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+/* eslint-disable max-nested-callbacks */
+/*jscs:disable jsDoc*/
+define([
+    'squire', 'jquery', 'ko'
+], function (Squire, $, ko) {
+    'use strict';
+
+    describe('Magento_Customer/js/customer-global-session-loader', function () {
+        var injector = new Squire(),
+            customer = ko.observable({}),
+            mocks = {
+                'Magento_Customer/js/customer-data': {
+                    get: jasmine.createSpy('get', function () {
+                        return customer;
+                    }).and.callThrough(),
+                    reload: jasmine.createSpy(),
+                    getInitCustomerData: function () {}
+                }
+            },
+            deferred,
+            customerSessionLoader;
+
+        beforeEach(function (done) {
+            $('body').append('<div id="customerMenu" class="customer-menu">Customer Menu</div>');
+            injector.mock(mocks);
+            injector.require(['Magento_Customer/js/customer-global-session-loader'], function (instance) {
+                customerSessionLoader = instance;
+                done();
+            });
+        });
+
+        afterEach(function () {
+            try {
+                injector.clean();
+                injector.remove();
+            } catch (e) {}
+
+            customer({});
+            $('#customerMenu').remove();
+        });
+
+        describe('Check customer data preparation process', function () {
+            it('Tests that customer data is NOT checked before initialization', function () {
+                spyOn(mocks['Magento_Customer/js/customer-data'], 'getInitCustomerData').and.callFake(function () {
+                    deferred = $.Deferred();
+
+                    return deferred.promise();
+                });
+                expect(customerSessionLoader()).toBe(undefined);
+
+                expect(mocks['Magento_Customer/js/customer-data'].get).toHaveBeenCalledWith('customer');
+                expect(mocks['Magento_Customer/js/customer-data'].getInitCustomerData).toHaveBeenCalled();
+                expect(mocks['Magento_Customer/js/customer-data'].reload).not.toHaveBeenCalled();
+            });
+
+            it('Tests that customer data reloads if customer first name is not there', function () {
+                spyOn(mocks['Magento_Customer/js/customer-data'], 'getInitCustomerData').and.callFake(function () {
+                    deferred = $.Deferred();
+
+                    deferred.resolve();
+
+                    return deferred.promise();
+                });
+                customer({
+                    _data: null
+                });
+                customerSessionLoader();
+
+                expect(mocks['Magento_Customer/js/customer-data'].get).toHaveBeenCalledWith('customer');
+                expect(mocks['Magento_Customer/js/customer-data'].reload).toHaveBeenCalledWith([], false);
+            });
+
+            it('Tests that customer data is checked only after initialization', function () {
+                spyOn(mocks['Magento_Customer/js/customer-data'], 'getInitCustomerData').and.callFake(function () {
+                    deferred = $.Deferred();
+
+                    return deferred.promise();
+                });
+                customer({
+                    firstname: "First Name"
+                });
+                customerSessionLoader();
+
+                expect(mocks['Magento_Customer/js/customer-data'].get).toHaveBeenCalledWith('customer');
+                expect(mocks['Magento_Customer/js/customer-data'].reload).not.toHaveBeenCalled();
+
+                deferred.resolve();
+
+                expect(mocks['Magento_Customer/js/customer-data'].reload).toHaveBeenCalledWith([], false);
+            });
+
+            it('Tests that customer data does not reloads if it has first name defined', function () {
+                spyOn(mocks['Magento_Customer/js/customer-data'], 'getInitCustomerData').and.callFake(function () {
+                    deferred = $.Deferred();
+
+                    deferred.resolve();
+
+                    return deferred.promise();
+                });
+                customer({
+                    firstname: "First Name"
+                });
+                customerSessionLoader();
+
+                expect(mocks['Magento_Customer/js/customer-data'].get).toHaveBeenCalledWith('customer');
+                expect(mocks['Magento_Customer/js/customer-data'].reload).not.toHaveBeenCalled();
+            });
+        });
+    });
+});