add:assignment 4 tests

Reviewed-on: #21

apps/api/src/orders/order-status-rules-assignment-4.test.ts

@@ -0,0 +1,108 @@
+import { afterEach, beforeEach, describe, expect, test } from "bun:test";
+import type { AppWithContext } from "../app";
+import { buildApp } from "../app";
+import { createUser } from "../users/user-repository";
+
+let app: AppWithContext;
+let employeeCookie = "";
+
+function firstHeader(value: string | string[] | undefined) {
+  return Array.isArray(value) ? value[0] : value ?? "";
+}
+
+async function login(username: string) {
+  const response = await app.inject({ method: "POST", url: "/api/login", payload: { username } });
+  return firstHeader(response.headers["set-cookie"]);
+}
+
+beforeEach(async () => {
+  app = await buildApp(":memory:");
+
+  await createUser(app.dbContext, {
+    username: "dev-employee",
+    name: "Dev Employee",
+    email: "dev.employee@example.com",
+    role: "employee"
+  });
+
+  employeeCookie = await login("dev-employee");
+});
+
+afterEach(async () => {
+  await app.close();
+});
+
+describe("assignment 4 order lifecycle rules", () => {
+  test("keeps quantity editing blocked for processing orders", async () => {
+    const response = await app.inject({
+      method: "POST",
+      url: "/api/orders/order_2/items/item_3/quantity",
+      headers: { cookie: employeeCookie },
+      payload: { quantity: 2 }
+    });
+
+    expect(response.statusCode).toBe(400);
+  });
+
+  test("allows address editing for processing orders", async () => {
+    const response = await app.inject({
+      method: "POST",
+      url: "/api/orders/order_2/shipping-address",
+      headers: { cookie: employeeCookie },
+      payload: {
+        fullName: "Jane Doe",
+        line1: "50 New Street",
+        line2: null,
+        city: "Oakland",
+        state: "CA",
+        postalCode: "94607",
+        country: "US"
+      }
+    });
+
+    expect(response.statusCode).toBe(200);
+    expect(response.json().shippingAddress.city).toBe("Oakland");
+  });
+
+  test("allows cancellation for processing orders", async () => {
+    const response = await app.inject({
+      method: "POST",
+      url: "/api/orders/order_2/cancel",
+      headers: { cookie: employeeCookie },
+      payload: { reason: "Customer request" }
+    });
+
+    expect(response.statusCode).toBe(200);
+    expect(response.json().status).toBe("cancelled");
+  });
+
+  test("blocks address editing for shipped orders", async () => {
+    const response = await app.inject({
+      method: "POST",
+      url: "/api/orders/order_3/shipping-address",
+      headers: { cookie: employeeCookie },
+      payload: {
+        fullName: "John Smith",
+        line1: "77 Final Mile Road",
+        line2: null,
+        city: "Denver",
+        state: "CO",
+        postalCode: "80202",
+        country: "US"
+      }
+    });
+
+    expect(response.statusCode).toBe(400);
+  });
+
+  test("blocks cancellation for shipped orders", async () => {
+    const response = await app.inject({
+      method: "POST",
+      url: "/api/orders/order_3/cancel",
+      headers: { cookie: employeeCookie },
+      payload: { reason: "Late request" }
+    });
+
+    expect(response.statusCode).toBe(400);
+  });
+});

apps/web/src/orders/order-items-panel.tsx

@@ -51,11 +51,7 @@ export function OrderItemsPanel({ order, onUpdateQuantity }: OrderItemsPanelProp
                 <div className="text-sm text-slate-600">{item.sku}</div>
                 <div className="text-sm text-slate-500">Available: {item.availableQuantity}</div>
               </div>
-              {order.status === "pending" ? (
-                <QuantityForm itemId={item.id} quantity={item.quantity} onSave={onUpdateQuantity} />
-              ) : (
-                <div className="text-sm text-slate-600">Quantity: {item.quantity}</div>
-              )}
+              <QuantityForm itemId={item.id} quantity={item.quantity} onSave={onUpdateQuantity} />
             </div>
           </div>
         ))}

apps/web/src/orders/order-page.tsx

@@ -72,6 +72,19 @@ export function OrderPage() {
     }
   }
 
+  async function handleUpdateQuantity(itemId: string, quantity: number) {
+    if (!order) {
+      return;
+    }
+
+    if (order.status !== "pending") {
+      setToast({ message: "Order items cannot be changed for this order status.", variant: "error" });
+      return;
+    }
+
+    await runAction(() => updateOrderItemQuantity(order.id, itemId, quantity), "Quantity saved.");
+  }
+
   return (
     <div className="space-y-4">
       <Link className="inline-flex text-sm font-medium text-blue-600 hover:text-blue-700" to="/orders">
@@ -84,7 +97,7 @@ export function OrderPage() {
         <OrderDetailPage
           order={order}
           auditEvents={auditEvents}
-          onUpdateQuantity={(itemId, quantity) => runAction(() => updateOrderItemQuantity(order.id, itemId, quantity), "Quantity saved.")}
+          onUpdateQuantity={handleUpdateQuantity}
           onSaveAddress={(address: Address) => runAction(() => updateShippingAddress(order.id, address), "Shipping address saved.")}
           onSaveNotes={(notes) => runAction(() => updateOrderNotes(order.id, notes), "Notes saved.")}
           onCancel={() => runAction(() => cancelOrder(order.id), "Order cancelled.")}