单元测试api控制器的示例代码

Question

是否有示例代码显示单元测试从api控制器继承的控制器？我正在尝试对POST进行单元测试,但它失败了.我相信我需要设置HttpControllerContext进行测试,但不知道谢谢

Answer 1

此代码应演示后测试的基础知识.假设您有一个注入控制器的存储库.我在这里使用MVC 4 RC而不是Beta,如果你使用Beta的Request.CreateResponse(...有点不同,请给我一个大喊......

鉴于控制器代码有点像这样:

public class FooController : ApiController
{
    private IRepository<Foo> _fooRepository;

    public FooController(IRepository<Foo> fooRepository)
    {
        _fooRepository = fooRepository;
    }

    public HttpResponseMessage Post(Foo value)
    {
        HttpResponseMessage response;

        Foo returnValue = _fooRepository.Save(value);
        response = Request.CreateResponse<Foo>(HttpStatusCode.Created, returnValue, this.Configuration);
        response.Headers.Location = "http://server.com/foos/1";

        return response;
    }
}

单元测试看起来有点像这样(NUnit和RhinoMock)

        Foo dto = new Foo() { 
            Id = -1,
            Name = "Hiya" 
        };

        IRepository<Foo> fooRepository = MockRepository.GenerateMock<IRepository<Foo>>();
        fooRepository.Stub(x => x.Save(dto)).Return(new Foo() { Id = 1, Name = "Hiya" });

        FooController controller = new FooController(fooRepository);

        controller.Request = new HttpRequestMessage(HttpMethod.Post, "http://server.com/foos");
        //The line below was needed in WebApi RC as null config caused an issue after upgrade from Beta
        controller.Configuration = new System.Web.Http.HttpConfiguration(new System.Web.Http.HttpRouteCollection());

        var result = controller.Post(dto);

        Assert.AreEqual(HttpStatusCode.Created, result.StatusCode, "Expecting a 201 Message");

        var resultFoo = result.Content.ReadAsAsync<Foo>().Result;
        Assert.IsNotNull(resultFoo, "Response was empty!");
        Assert.AreEqual(1, resultFoo.Id, "Foo id should be set");