Test POST Request in Go

http_test.go

package main

import (
	"log"
	"net/http"
	"net/http/httptest"
	"net/url"
	"strings"
)

func main() {
	r := http.DefaultServeMux
	r.HandleFunc("/users", func(w http.ResponseWriter, r *http.Request) {
		r.ParseForm()
		log.Println("Name:", r.FormValue("name"))
	})

	form := url.Values{}
	form.Add("name", "joe")
	req, _ := http.NewRequest("POST", "/users", strings.NewReader(form.Encode()))
	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
	r.ServeHTTP(httptest.NewRecorder(), req)
}