Fake or Mock client/server implementations for testing

[Amjad Masad]

I looked in the repo and didn't find anything. What's the best way to test my server package without resorting to exposing internal methods?

[Mahmud Ridwan]

You could do something like this perhaps (assuming I understood the question):

 

~~~

package main

 

import (

        "io"

        "net/http"

        "net/http/httptest"

        "os"

 

        "github.com/gorilla/mux"

)

 

func main() {

        r := mux.NewRouter()

        r.HandleFunc("/hello", func(w http.ResponseWriter, r *http.Request) {

                w.Write([]byte("Hello, world\n"))

        })

 

        ts := httptest.NewServer(r)

        res, err := http.Get(ts.URL + "/hello")

        catch(err)

 

        io.Copy(os.Stdout, res.Body)

}

 

func catch(err error) {

        if err != nil {

                panic(err)

        }

}

~~~

 

So, the "net/http/httptest" package provides some pretty neat ways to test your HTTP server. You can know more about it here: http://golang.org/pkg/net/http/httptest/

 

In the example above, I declared a Gorilla router, added a handler function. Then I created a test server using the router and made the http package perform a GET request on that "/hello" URL. Finally I copied the response body to the standard output. But this is where you can get creative; once you set up the test server, you can hit any endpoint and then validate the responses as desired.

 

Hope this helps.

 

Best regards,

Ridwan

 

 

 

On Thu, Jan 29, 2015, at 01:19 AM, Amjad Masad wrote:

I looked in the repo and didn't find anything. What's the best way to test my server package without resorting to exposing internal methods?

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