Add basic /status endpoint

Also add test for this endpoint

main.go

@@ -1,23 +1,17 @@
 package main
 
 import (
-	"fmt"
 	"log"
 	"net/http"
-
-	"github.com/gorilla/mux"
 )
 
 func main() {
-	router := mux.NewRouter().StrictSlash(true)
 
-	router.HandleFunc("/", HandleRoot)
+	// Create a new router
+	router := NewRouter()
 
+	// Listen and serve the http requests
 	if err := http.ListenAndServe(":8080", router); err != nil {
 		log.Fatal(err)
 	}
 }
-
-func HandleRoot(w http.ResponseWriter, r *http.Request) {
-	fmt.Fprintf(w, "Hello World")
-}

router.go

@@ -0,0 +1,32 @@
+package main
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/gorilla/mux"
+)
+
+func NewRouter() (router *mux.Router) {
+	// Create a new router
+	router = mux.NewRouter().StrictSlash(true)
+
+	// Set up the handlers
+	router.HandleFunc("/status", HandleStatus)
+
+	return
+}
+
+// RouterStatus is a struct that contains information on the status of the server
+type RouterStatus struct {
+	Ready bool `json:"ready"`
+}
+
+// HandleStatus handles HTTP requests to the /status endpoint
+func HandleStatus(w http.ResponseWriter, r *http.Request) {
+	var status = RouterStatus{
+		Ready: true,
+	}
+
+	json.NewEncoder(w).Encode(status)
+}

router_test.go

@@ -0,0 +1,22 @@
+package main
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+func TestHandleStatus(t *testing.T) {
+	request, _ := http.NewRequest(http.MethodGet, "/status", nil)
+	response := httptest.NewRecorder()
+
+	HandleStatus(response, request)
+
+	var status RouterStatus
+	json.NewDecoder(response.Body).Decode(&status)
+
+	if status.Ready != true {
+		t.Errorf("got false for /status")
+	}
+}