如何测试以匿名类型返回任务<;IHttpActionResult&>的控制器方法 [英] How to Test controller method which returns Task<IHttpActionResult> with anonymous type
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问题描述
我有一个如下所示的Web API控制器方法SessionId
是‘字符串’类型
[HttpPost]
[Route("init")]
[ApiMeter("search_init")]
public async Task<IHttpActionResult> InitiateAsync(SearchInitRequest query,
CancellationToken cancellationToken)
{
Validations.EnsureValid(query, new SearchRequestValidator());
string sessionId = await Service.InitiateSearchAsync(query, cancellationToken);
return Ok(new { sessionId });
}
我有如下测试用例
[Fact]
public void GetSearchInit_Success_Valid()
{
var mockCarService = new Mock<ICarService>();
using (new AmbientContextScope(GetCarCallContext()))
{
var request = Data.DataProvider.TestDataProvider.GetJsonResult<CarSearchInitRequest>(
SearchInitScenarioRequests.CarSearchInitSuccess);
var response = Data.DataProvider.TestDataProvider.GetResponse<CarSearchInitResponse>(
SearchInitScenarioResponse.CarSearchInitSuccess);
mockCarService.Setup(f => f.InitiateSearchAsync(request, CancellationToken.None))
.Returns(Task.FromResult(response.SessionId));
SearchController controller = new SearchController(mockCarService.Object);
var result = controller.InitiateAsync(request, CancellationToken.None).Result;
var status = result as OkNegotiatedContentResult<string>;
Assert.NotNull(status.Content);
}
}
在此测试用例中,我的状态为null
。虽然在调试时我可以看到SessionId
中有SessionId
属性,但由于这是匿名类型,我无法读取该值。
我也尝试过
var status = result as OkNegotiatedContentResult<object>;
还是没有运气
推荐答案
这里是一个最小的完整示例,说明如何解决测试操作的问题。但是,这更像是一项集成测试,因为它要通过框架功能来访问结果的内容。
[TestClass]
public class UnitTest6 {
[TestMethod]
public async Task Action_Returns_AnonymousTypeResult() {
//Arrange
var controller = new SearchController() {
Configuration = new HttpConfiguration(),
Request = new HttpRequestMessage()
};
var expected = "hello world";
//Act
var result = await controller.InitiateAsync();
var response = await result.ExecuteAsync(CancellationToken.None);
var status = await response.Content.ReadAsAsync<dynamic>();
//Assert
Assert.IsNotNull(status.sessionId);
Assert.AreEqual(expected, status.sessionId);
}
[Authorize]
public class SearchController : ApiController {
[HttpPost]
public async Task<IHttpActionResult> InitiateAsync() {
string sessionId = await Task.FromResult("hello world");
return Ok(new { sessionId });
}
}
}
通过执行结果来获取响应消息,现在可以访问响应的内容。允许将内容分析为dynamic
,以便可以访问成员。
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