MAGETWO-59600: Errors for invalid addresses from payment gateway are not displayed on Checkout Flow

Author: omiroshnichenko

dev/tests/js/jasmine/tests/app/code/Magento/Paypal/frontend/js/view/payment/method-renderer/in-context/checkout-express.test.js

@@ -0,0 +1,135 @@
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+/* eslint-disable max-nested-callbacks */
+define([
+    'squire',
+    'ko',
+    'jquery',
+    'uiComponent'
+], function (Squire, ko, $, Component) {
+    'use strict';
+
+    describe('paypal/js/view/payment/method-renderer/paypal-express-abstract', function () {
+        var injector = new Squire(),
+            mocks = {
+                'Magento_Paypal/js/action/set-payment-method': jasmine.createSpy(),
+                'Magento_Paypal/js/view/payment/method-renderer/paypal-express-abstract': Component,
+                'Magento_Checkout/js/model/quote': {
+                    billingAddress: ko.observable(),
+                    shippingAddress: ko.observable(),
+                    paymentMethod: ko.observable()
+                },
+                'Magento_Checkout/js/model/payment/additional-validators': {
+                    validate: jasmine.createSpy().and.returnValue(true)
+                },
+                'Magento_Ui/js/model/messageList': {
+                    addErrorMessage: jasmine.createSpy(),
+                    addSuccessMessage: jasmine.createSpy()
+                },
+                'paypalInContextExpressCheckout': {
+                    checkout: {
+                        initXO: jasmine.createSpy(),
+                        closeFlow: jasmine.createSpy(),
+                        startFlow: jasmine.createSpy()
+                    }
+                },
+                'Magento_Customer/js/customer-data': {
+                    invalidate: jasmine.createSpy()
+                }
+            },
+            obj;
+
+        beforeAll(function (done) {
+            injector.mock(mocks);
+            injector.require(
+                ['Magento_Paypal/js/view/payment/method-renderer/in-context/checkout-express'],
+                function (Constr) {
+                    obj = new Constr({
+                        provider: 'provName',
+                        name: 'test',
+                        index: 'test',
+                        selectPaymentMethod: jasmine.createSpy()
+                    });
+
+                    done();
+                });
+        });
+
+        describe('"click" method checks', function () {
+            it('check success request', function () {
+                mocks['Magento_Paypal/js/action/set-payment-method'].and.callFake(function () {
+                    var promise = $.Deferred();
+
+                    promise.resolve();
+
+                    return promise;
+                });
+                spyOn(jQuery, 'get').and.callFake(function () {
+                    var promise = $.Deferred();
+
+                    promise.resolve({
+                        url: 'url'
+                    });
+
+                    return promise;
+                });
+
+                obj.clientConfig.click(new Event('event'));
+
+                expect(mocks.paypalInContextExpressCheckout.checkout.initXO).toHaveBeenCalled();
+                expect(mocks.paypalInContextExpressCheckout.checkout.startFlow).toHaveBeenCalledWith('url');
+                expect(mocks.paypalInContextExpressCheckout.checkout.closeFlow).not.toHaveBeenCalled();
+                expect(mocks['Magento_Customer/js/customer-data'].invalidate).toHaveBeenCalled();
+            });
+
+            it('check request with error message', function () {
+                mocks['Magento_Paypal/js/action/set-payment-method'].and.callFake(function () {
+                    var promise = $.Deferred();
+
+                    promise.resolve();
+
+                    return promise;
+                });
+                spyOn(jQuery, 'get').and.callFake(function () {
+                    var promise = $.Deferred();
+
+                    promise.resolve({
+                        message: {
+                            text: 'Text',
+                            type: 'error'
+                        }
+                    });
+
+                    return promise;
+                });
+
+                obj.clientConfig.click(new Event('event'));
+
+                expect(mocks['Magento_Ui/js/model/messageList'].addErrorMessage).toHaveBeenCalledWith({
+                    message: 'Text'
+                });
+                expect(mocks.paypalInContextExpressCheckout.checkout.initXO).toHaveBeenCalled();
+                expect(mocks.paypalInContextExpressCheckout.checkout.closeFlow).toHaveBeenCalled();
+                expect(mocks['Magento_Customer/js/customer-data'].invalidate).toHaveBeenCalled();
+            });
+
+            it('check on fail request', function () {
+                mocks['Magento_Paypal/js/action/set-payment-method'].and.callFake(function () {
+                    var promise = $.Deferred();
+
+                    promise.reject();
+
+                    return promise;
+                });
+                spyOn(jQuery, 'get');
+
+                obj.clientConfig.click(new Event('event'));
+
+                expect(jQuery.get).not.toHaveBeenCalled();
+            });
+        });
+    });
+});