public void It_should_cancel_customer_order()
{
// Given
var customer = new Customer("", 100);
var repo = Substitute.For <ICustomerRepository>();
repo.Load(customer.Id).Returns(customer);
var controller = new CustomerController(repo);
var item = new OrderItem("", 20);
var orderId = controller.Order(customer.Id, item);
// When
controller.CancelOrder(customer.Id, orderId);
// Then
customer.Funds.Should().Be(100);
customer.Orders.Should().BeEmpty();
repo.Received().Save(customer);
}
