In Memory HTTP server Asp.net WebAPI

Question

I am trying to understand how the self host configuration based Integration Tests are running.

In the code below, Should I be registering my config with the WebApiConfig. Registering or not seems to make no difference.

Is the full pipeline really being tested or is this an illusion? Since, If I am not using the config and the routes defined in my API instead declaring my own as I have done here, I am probably just not testing the full pipleine.

Is there any othere way of testing the api completely. The code below is testing a lot of things besides just my pipeline(like the client, SelfHosting etc..). This seems like an overkill to me. Any ideas ?

var config = new HttpSelfHostConfiguration("http://localhost:9090/");

                config.Routes.MapHttpRoute("Default", "{api}/{controller}/{id}", new { id =  RouteParameter.Optional });


            config.IncludeErrorDetailPolicy = IncludeErrorDetailPolicy.Always;

            MyApiProject.WebApiConfig.Register(config);

            using (var server = new HttpSelfHostServer(config))
            {
                server.OpenAsync().Wait();
                using (var client = new HttpClient())
                {
                    using (var response = client.PostAsync("http://localhost:9090/api/login",
                                            new FormUrlEncodedContent(new List<KeyValuePair<string,string>>                                                                        {      new KeyValuePair<string, strin("Foo","Bar)}), CancellationToken.None).Result)
                    {
                        Assert.AreEqual(HttpStatusCode.OK, response.StatusCode);
                    }

                    using (var response = client.GetAsync("http://localhost:9090/api/login").Result)
                    {
                        Assert.AreEqual(HttpStatusCode.OK, response.StatusCode);
                    }
                }
                server.CloseAsync().Wait();
            }

RaghuRam Nadiminti · Accepted Answer · 2013-03-07 18:06:09Z

4

If you just want to test your controllers, you can write more targeted unit tests to test them. If you want to test the full pipeline your code looks fine except that instead of using a selfhost, you can just use HttpServer saving the network overhead. Also, if you are testing the full pipeline it is better to use the routes that you have in your actual app rather than adding a new route as that would be testing routing as well.

Also, refer to this blog post by Youssef for some ideas on testing your web APIs.

answered Mar 7, 2013 at 18:06

RaghuRam Nadiminti

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2 Comments

ashutosh raina Over a year ago

I am not looking at unit tests, they are separate and targeted as you said. What would be the correct way of using the configuration I have specified in my api in the tests I have mentioned in the Question ?

RaghuRam Nadiminti Over a year ago

You can just call the same code i.e add all your routes and other stuff. I believe MyApiProject.WebApiConfig.Register(config); is doing that only.

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