public void Given_An_Order_That_Has_Been_Accepted_When_The_Payment_Is_Processed_And_The_Order_Fulfilled_Then_The_Order_Is_Complete() { // Arrange const int orderId = 1234; const int customerId = 5678; OrderDetails orderDetails = new OrderDetails(); orderDetails.OrderItems.Add(new OrderItem(1, "desc", 9.99m, 2)); IOrderAggregate orderAggregate = new OrderAggregate(orderId.ToString(CultureInfo.InvariantCulture)); // Act orderAggregate.PlaceOrder(orderId, customerId, orderDetails); orderAggregate.ConfirmOrder(orderId, customerId); orderAggregate.PaymentProcessed(orderId, customerId); orderAggregate.OrderSentToCustomer(orderId, customerId); // Assert Assert.True(orderAggregate.OrderComplete); }