[英]Unit Test Task<IActionResult>
I am working on a .Net Core Web API application. 我正在开发.Net Core Web API应用程序。 I have the following method on my controller:
我的控制器上有以下方法:
[HttpGet]
public async Task<IActionResult> GetArtists()
{
var permissions = await _permissionsService.GetPermissionsAsync(HttpContext);
var artists = _artistsService.GetAllArtists(permissions.UserId, permissions.IsAdministrator);
return Ok( new { artists });
}
I want to write a test that would assert that I am indeed getting a 200
OK Result. 我想写一个测试,断言我确实得到了
200
OK的结果。
I've tried the following: 我尝试过以下方法:
[TestMethod]
public void GetArtists_ReturnsOKStatusCode()
{
// arrange
var artistsController = new ArtistsController(_mockPermissionsService.Object, _mockArtistsService.Object, _mockLogger.Object);
// act
var getArtistsResult = artistsController.GetArtists();
var okResult = getArtistsResult as OkObjectResult;
Assert.IsInstanceOfType(okResult, OkObjectResult)
}
But I get an error on the line where I am casting to OkObjectResult
. 但是我在转换为
OkObjectResult
的行上出现错误。 It says I can't convert type Task<IActionResult>
to OkObjectResult
它说我无法将类型
Task<IActionResult>
转换为OkObjectResult
You need to use await
when calling asynchronous methods: 调用异步方法时需要使用
await
:
var getArtistsResult = await artistsController.GetArtists();
This in turn makes your test method async Task
: 这反过来使您的测试方法
async Task
:
[TestMethod]
public async Task GetArtists_ReturnsOKStatusCode()
{
...
}
You need to receive result of function GetArtists() (not Task), like this: 你需要接收函数GetArtists()(不是Task)的结果,如下所示:
var getArtistsResult = artistsController.GetArtists().Result;
Then you can cast it to OkObjectResult. 然后你可以把它强制转换为OkObjectResult。
Or you can try to change your test like this : 或者您可以尝试更改您的测试:
[TestMethod]
public async Task GetArtists_ReturnsOKStatusCode()
{
// arrange
var artistsController = new ArtistsController(_mockPermissionsService.Object, _mockArtistsService.Object, _mockLogger.Object);
// act
var getArtistsResult = await artistsController.GetArtists();
var okObjectResult = settings.Should().BeOfType<OkObjectResult>().Subject;
var result = okObjectResult.Value.Should().BeAssignableTo<SomeType>();
}
I used some extending methods from FluentAssetions lib, its very useful. 我使用了一些来自FluentAssetions lib的扩展方法,它非常有用。
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.