如何使用MS单元模拟WebAPI的PATCH方法

Question

我有下面的PATCH方法，我正在为它编写单元测试。

[HttpPatch("{id}")]
public IActionResult Patch(Guid id, [FromBody] JsonPatchDocument<QuoteDraft> patch) {
Global.AccessToken = Request.Headers["Authorization"];
var draft = new QuoteDraft();
var json = string.Empty;
try {
draft = quoteDraftRepository.GetQuoteDraftById(id);
if (draft == null) {
throw new ArgumentException($"Draft quote not found for id {id}");
}
QuoteDraft quoteDraft = null;
foreach (var item in patch.Operations) {
json = Convert.ToString(item.value);
var lineItem = JsonConvert.DeserializeObject<LineItem>(json);
quoteDraft = AddLineItem(draft, lineItem);
}
return StatusCode(StatusCodes.Status200OK, new QuoteDraftResponse {
Message = messageHandler.GetMessage(MessageType.All),
QuoteDraft = quoteDraft
});
}

以下是我的单元测试方法：

[testmethod]
public void patchtestmethod()
{
var jsonobject = new jsonpatchdocument<quotedraft>();
var quotedraft = new quotedraft
{
market = "noo",
program = "ils",
brochure = "2019",
season = "v1",
currency = "nok",
totalprice = 100,
};
var value = jsonconvert.serializeobject(quotedraft);
jsonobject.add("/lineitem/-", value);
quotecontroller.patch(it.isany<guid>(), jsonobject);
}

我得到了如下屏幕截图所示的错误：

错误详细信息

json补丁必须看起来像这样。

op: 'add',
path: '/lineItem/-',
value: {
destination: this.props.result.destination.code,
currency: this.props.result.currency.code,
sku: getSku(this.props.result.course.code, this.props.result.destination.code),
unitType: this.props.result.course.unitType,
startDate: format(this.props.result.startDate),
endDate: this.props.result.endDate,
quantity: this.props.result.numberOfWeeks.id,
category: 'Course',
language: 'NO',
departurePoint: this.props.result.departure ? this.props.result.departure.code : null,
description: this.props.result.course.description
},

请告诉我我缺了什么。

感谢

Answer 1

对于jsonobject.Add，它接受用于定义此操作的路径的Expression<Func<TModel, TProp>> path。

1. Model.cs

   public class QuoteDraft
   {
   public string Market { get; set; }
   public string Program
   {
   get; set;
   }
   public List<LineItem> LineItem { get; set; }
   }
   public class LineItem
   {
   public string Destination { get; set; }
   public string Sku { get; set; }
   }
   

2. 代码

   var jsonobject = new JsonPatchDocument<QuoteDraft>();
   var quotedraft = new QuoteDraft
   {
   Market = "noo",
   Program = "ils"
   };
   var lineItem = new LineItem
   {
   Destination = "D",
   Sku = "S"
   };
   jsonobject.Add(q => q, quotedraft);
   jsonobject.Add(q => q.LineItem, lineItem);
   var value = JsonConvert.SerializeObject(jsonobject);