public void Should_Cancel_Order_Return_Success_ResponseCode()
{
// Arrange
Guid _guid = Guid.NewGuid();
Order order = new Order()
{
OrderId = _guid.ToString(), Status = Status.Active
};
Mock <IOrderService> mockOrderService = new Mock <IOrderService>();
mockOrderService.Setup(o => o.GetOrder(It.IsAny <string>()))
.Returns(order);
mockOrderService.Setup(c => c.CancelOrder(It.IsAny <Order>()));
OrderApiController controller = new OrderApiController(mockOrderService.Object);
// Act
var result = controller.CancelOrder(_guid.ToString());
var checkresult = result as StatusCodeResult;
// Assert
Assert.AreEqual(200, checkresult.StatusCode);
}