ACP2E-3294: The shipping address state is not auto updating

Author: aplapana

dev/tests/js/jasmine/tests/app/code/Magento/Sales/adminhtml/js/order/create/scripts.test.js

@@ -160,6 +160,90 @@ define([
             jQueryAjax = undefined;
         });
 
+        describe('Testing syncAddressField method', function () {
+            it('Synchronize region and region_id fields display when called with field named "country"', function () {
+                let form, billingCountryId, billingRegionId, billingRegion;
+                let shippingCountryId, shippingRegionId, shippingRegion;
+
+                form = document.createElement('form');
+
+                //create billing country id field
+                billingCountryId = document.createElement('select');
+                billingCountryId.name = 'order[billing_address][country_id]';
+                let billingCountryIdOption1 = document.createElement("option");
+                billingCountryIdOption1.value = "USA";
+                billingCountryIdOption1.innerText = "United States of America";
+                let billingCountryIdOption2 = document.createElement("option");
+                billingCountryIdOption2.value = "RO";
+                billingCountryIdOption2.innerText = "Romania";
+                billingCountryId.appendChild(billingCountryIdOption1);
+                billingCountryId.appendChild(billingCountryIdOption2);
+                form.appendChild(billingCountryId);
+
+                //create billing region id field
+                billingRegionId = document.createElement('select');
+                billingRegionId.name = 'order[billing_address][region_id]';
+                billingRegionId.id = 'order-billing_address_region_id';
+                let billingRegionOption1 = document.createElement("option");
+                billingRegionOption1.value = "NY";
+                billingRegionOption1.innerText = "New York";
+                let billingRegionOption2 = document.createElement("option");
+                billingRegionOption2.value = "TX";
+                billingRegionOption2.innerText = "Texas";
+                billingRegionId.appendChild(billingRegionOption1);
+                billingRegionId.appendChild(billingRegionOption2);
+                form.appendChild(billingRegionId);
+
+                //create hidden billing region field
+                billingRegion = document.createElement('input');
+                billingRegion.name = 'order[billing_address][region]';
+                billingRegion.id = 'order-billing_address_region';
+                billingRegion.style.display = 'none';
+                form.appendChild(billingRegion);
+
+                //create shipping country id field
+                shippingCountryId = document.createElement('select');
+                shippingCountryId.name = 'order[shipping_address][country_id]';
+                let shippingCountryIdOption1 = document.createElement("option");
+                shippingCountryIdOption1.value = "USA";
+                shippingCountryIdOption1.innerText = "United States of America";
+                let shippingOption2 = document.createElement("option");
+                shippingOption2.value = "RO";
+                shippingOption2.innerText = "Romania";
+                shippingCountryId.appendChild(shippingCountryIdOption1);
+                shippingCountryId.appendChild(shippingOption2);
+                shippingCountryId.value = "RO";
+                form.appendChild(shippingCountryId);
+
+                //create shipping region id field
+                shippingRegionId = document.createElement('select');
+                shippingRegionId.name = 'order[shipping_address][region_id]';
+                shippingRegionId.id = 'order-shipping_address_region_id';
+                let shippingRegionOption1 = document.createElement("option");
+                shippingRegionOption1.value = "B";
+                shippingRegionOption1.innerText = "Bucuresti";
+                let shippingRegionOption2 = document.createElement("option");
+                shippingRegionOption2.value = "CT";
+                shippingRegionOption2.innerText = "Constanta";
+                shippingRegionId.appendChild(shippingRegionOption1);
+                shippingRegionId.appendChild(shippingRegionOption2);
+                form.appendChild(shippingRegionId);
+
+                //create shipping region field
+                shippingRegion = document.createElement('input');
+                shippingRegion.name = 'order[shipping_address][region]';
+                shippingRegion.id = 'order-shipping_address_region';
+                form.appendChild(shippingRegion);
+
+                document.body.appendChild(form);
+                order = new window.AdminOrder({});
+                order.syncAddressField(form, 'order[billing_address][country_id]', billingCountryId);
+
+                expect(shippingCountryId.value).toEqual("USA");
+                expect(shippingRegion.style.display).toEqual("none");
+            });
+        });
+
         it('test that setStoreId calls loadArea with a callback', function () {
             init();
             spyOn(order, 'loadArea').and.callFake(function () {