go_http_test_00.go

pServer := http.NewServeMux()
// add handler(s)
pServer.HandleFunc("/help", func(w http.ResponseWriter, r *http.Request) {
  bResponse, _ := json.Marshal(`{ 
    "message": "help is under-development..." 
  }`)
  w.WriteHeader(http.StatusOK)
  w.Write(bResponse)
})
pServer.HandleFunc("/stats", func(w http.ResponseWriter, r *http.Request) {
  // create response in a Map way
  mPayload := make(map[string]interface{})
  mPayload["stats"] = "STATS is also under-development..."
  mPayload["budget"] = 2000
  bResponse, _ := json.Marshal(mPayload)
  w.WriteHeader(http.StatusOK)
  w.Write(bResponse)
})

// create a test-server wrapping up the actual server above
pTestServer := httptest.NewServer(pServer)

defer pTestServer.Close()