Добавлен обработчик NotFound

Исправлена опечатка в тесте
Разделена логика метода BuildNonElyTexturesHash

lib/routes/NotFound.go

@@ -0,0 +1,18 @@
+package routes
+
+import (
+	"net/http"
+	"encoding/json"
+)
+
+func NotFound(w http.ResponseWriter, r *http.Request)  {
+	json, _ := json.Marshal(map[string]string{
+		"status": "404",
+		"message": "Not Found",
+		"link": "http://docs.ely.by",
+	})
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusNotFound)
+	w.Write(json)
+}

lib/tools/tools.go

@@ -18,8 +18,7 @@ func ParseUsername(username string) string {
 }
 
 func BuildNonElyTexturesHash(username string) string {
-	n := time.Now()
-	hour := time.Date(n.Year(), n.Month(), n.Day(), n.Hour(), 0, 0, 0, time.UTC).Unix()
+	hour := getCurrentHour()
 	hasher := md5.New()
 	hasher.Write([]byte("non-ely-" + strconv.FormatInt(hour, 10) + "-" + username))
 
@@ -29,3 +28,8 @@ func BuildNonElyTexturesHash(username string) string {
 func BuildKey(username string) string {
 	return "username:" + strings.ToLower(username)
 }
+
+func getCurrentHour() int64 {
+	n := time.Now()
+	return time.Date(n.Year(), n.Month(), n.Day(), n.Hour(), 0, 0, 0, time.UTC).Unix()
+}

lib/tools/tools_test.go

@@ -17,6 +17,6 @@ func TestParseUsername(t *testing.T) {
 
 func TestBuildKey(t *testing.T) {
 	if BuildKey("Test") != "username:test" {
-		t.Error("Function shound convert string to lover case and concatenate it with usernmae:")
+		t.Error("Function shound convert string to lower case and concatenate it with usernmae:")
 	}
 }

minecraft-skinsystem.go

@@ -21,6 +21,7 @@ func main() {
 	services.Redis = client
 
 	router := mux.NewRouter().StrictSlash(true)
+	router.HandleFunc("/", routes.NotFound)
 	router.HandleFunc("/skins/{username}", routes.Skin).Methods("GET")
 	router.HandleFunc("/textures/{username}", routes.Textures).Methods("GET")
 	router.HandleFunc("/system/setSkin", routes.SetSkin).Methods("POST") // TODO: убрать этого, т.к. он стар