Merge pull request '✨ Linter to CI' (#17) from ada/ci/lint into main

Reviewed-on: #17
Reviewed-by: Hacki <hacki@noreply.localhost>

.golangci.yaml

@@ -0,0 +1,25 @@
+linters:
+  enable-all: true
+  disable:
+    # Deprecated
+    - varcheck
+    - ifshort
+    - interfacer
+    - maligned
+    - deadcode
+    - scopelint
+    - golint
+    - structcheck
+    - exhaustivestruct
+    - nosnakecase
+    # Too extremist/unusable
+    - depguard
+    - varnamelen
+    - exhaustruct
+    - wsl
+    - contextcheck
+    - wrapcheck
+linters-settings:
+  lll:
+    # Too short byt default
+    line-length: 160

.woodpecker/lint.yml

@@ -0,0 +1,11 @@
+steps:
+  lint:
+    image: golang:1.22
+    commands:
+      - go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest
+      - golangci-lint run
+    when:
+      - event: pull_request
+        repo: gnouseu/plakken
+      - event: push
+        branch: main

internal/config/config.go

@@ -4,19 +4,21 @@ import (
 	"log"
 	"os"
 	"strconv"
+
+	"git.gnous.eu/gnouseu/plakken/internal/constant"
 )
 
-// InitConfig Structure for program initialisation
+// InitConfig Structure for program initialisation.
 type InitConfig struct {
 	ListenAddress string
 	RedisAddress  string
 	RedisUser     string
 	RedisPassword string
 	RedisDB       int
-	UrlLength     uint8
+	URLLength     uint8
 }
 
-// GetConfig Initialise configuration form .env
+// GetConfig Initialise configuration form .env.
 func GetConfig() InitConfig {
 	listenAddress := os.Getenv("PLAKKEN_LISTEN")
 	redisAddress := os.Getenv("PLAKKEN_REDIS_ADDRESS")
@@ -37,7 +39,7 @@ func GetConfig() InitConfig {
 		log.Fatal("Invalid PLAKKEN_URL_LENGTH")
 	}
 
-	if urlLength > 255 {
+	if urlLength > constant.MaxURLLength {
 		log.Fatal("PLAKKEN_URL_LENGTH cannot be greater than 255")
 	}
 
@@ -47,6 +49,6 @@ func GetConfig() InitConfig {
 		RedisUser:     os.Getenv("PLAKKEN_REDIS_USER"),
 		RedisPassword: os.Getenv("PLAKKEN_REDIS_PASSWORD"),
 		RedisDB:       redisDB,
-		UrlLength:     uint8(urlLength),
+		URLLength:     uint8(urlLength),
 	}
 }

internal/constant/constants.go

@@ -11,4 +11,8 @@ const (
 	ArgonThreads         = 4
 	ArgonKeyLength       = 32
 	ArgonIterations      = 2
+	MaxURLLength         = 255
+	SecondsInDay         = 86400
+	SecondsInHour        = 3600
+	SecondsInMinute      = 60
 )

internal/database/db.go

@@ -13,9 +13,9 @@ type DBConfig struct {
 	DB *redis.Client
 }
 
-var ctx = context.Background()
+var ctx = context.Background() //nolint:gochecknoglobals
 
-// InitDB initialise redis connection settings
+// InitDB initialise redis connection settings.
 func InitDB(addr string, user string, password string, db int) *redis.Options {
 	DBConfig := &redis.Options{
 		Addr:     addr,
@@ -27,18 +27,20 @@ func InitDB(addr string, user string, password string, db int) *redis.Options {
 	return DBConfig
 }
 
-// ConnectDB make new database connection
+// ConnectDB make new database connection.
 func ConnectDB(dbConfig *redis.Options) *redis.Client {
-	localDb := redis.NewClient(dbConfig)
+	localDB := redis.NewClient(dbConfig)
-	return localDb
+
+	return localDB
 }
 
-// Ping test connection to Redis database
+// Ping test connection to Redis database.
 func Ping(db *redis.Client) error {
 	status := db.Ping(ctx)
 	if status.String() != "ping: PONG" {
 		return &pingError{}
 	}
+
 	return nil
 }
 
@@ -65,7 +67,7 @@ func (config DBConfig) InsertPaste(key string, content string, secret string, tt
 	}
 }
 
-func (config DBConfig) UrlExist(url string) bool {
+func (config DBConfig) URLExist(url string) bool {
 	return config.DB.Exists(ctx, url).Val() == 1
 }
 

internal/httpserver/server.go

@@ -1,4 +1,4 @@
-package httpServer
+package httpserver
 
 import (
 	"embed"
@@ -12,7 +12,7 @@ import (
 
 type ServerConfig struct {
 	HTTPServer *http.Server
-	UrlLength  uint8
+	URLLength  uint8
 	DB         *redis.Client
 	Static     embed.FS
 	Templates  embed.FS
@@ -29,11 +29,11 @@ func (config ServerConfig) home(w http.ResponseWriter, _ *http.Request) {
 	}
 }
 
-// Configure HTTP router
+// Configure HTTP router.
 func (config ServerConfig) router() {
 	WebConfig := plak.WebConfig{
 		DB:        config.DB,
-		UrlLength: config.UrlLength,
+		URLLength: config.URLLength,
 		Templates: config.Templates,
 	}
 	staticFiles := http.FS(config.Static)
@@ -46,7 +46,7 @@ func (config ServerConfig) router() {
 	http.HandleFunc("DELETE /{key}", WebConfig.DeleteRequest)
 }
 
-// Config Configure HTTP server
+// Config Configure HTTP server.
 func Config(listenAddress string) *http.Server {
 	server := &http.Server{
 		Addr:         listenAddress,
@@ -57,7 +57,7 @@ func Config(listenAddress string) *http.Server {
 	return server
 }
 
-// Server Start HTTP server
+// Server Start HTTP server.
 func (config ServerConfig) Server() {
 	log.Println("Listening on " + config.HTTPServer.Addr)
 

internal/secret/crypto.go

@@ -5,6 +5,7 @@ import (
 	"bytes"
 	"crypto/rand"
 	"encoding/base64"
+	"encoding/hex"
 	"fmt"
 	"strconv"
 	"strings"
@@ -18,7 +19,7 @@ type argon2idHash struct {
 	hash []byte
 }
 
-// Argon2id config
+// Argon2id config.
 type config struct {
 	saltLength uint8
 	memory     uint32
@@ -27,7 +28,7 @@ type config struct {
 	iterations uint32
 }
 
-// generateSecret for password hashing or token generation
+// generateSecret for password hashing or token generation.
 func generateSecret(length uint8) ([]byte, error) {
 	secret := make([]byte, length)
 
@@ -39,26 +40,26 @@ func generateSecret(length uint8) ([]byte, error) {
 	return secret, err
 }
 
-// GenerateToken generate hexadecimal token
+// GenerateToken generate hexadecimal token.
 func GenerateToken() (string, error) {
 	secret, err := generateSecret(constant.TokenLength)
 	if err != nil {
 		return "", err
 	}
 
-	token := fmt.Sprintf("%x", secret)
+	token := hex.EncodeToString(secret)
 
 	return token, nil
 }
 
-// generateArgon2ID Generate an argon2id hash from source string and specified salt
+// generateArgon2ID Generate an argon2id hash from source string and specified salt.
 func (config config) generateArgon2ID(source string, salt []byte) []byte {
 	hash := argon2.IDKey([]byte(source), salt, config.iterations, config.memory, config.threads, config.keyLength)
 
 	return hash
 }
 
-// Password hash a source string with argon2id, return properly encoded hash
+// Password hash a source string with argon2id, return properly encoded hash.
 func Password(password string) (string, error) {
 	config := config{
 		saltLength: constant.ArgonSaltSize,
@@ -95,10 +96,10 @@ func VerifyPassword(password string, hash string) (bool, error) {
 	return bytes.Equal(result, argon2Hash.hash), nil
 }
 
-// parseHash parse existing encoded argon2id string
+// parseHash parse existing encoded argon2id string.
 func parseHash(source string) (argon2idHash, config, error) {
 	separateItem := strings.Split(source, "$")
-	if len(separateItem) != 6 {
+	if len(separateItem) != 6 { //nolint:gomnd
 		return argon2idHash{}, config{}, &parseError{message: "Hash format is not valid"}
 	}
 
@@ -107,7 +108,7 @@ func parseHash(source string) (argon2idHash, config, error) {
 	}
 
 	separateParam := strings.Split(separateItem[3], ",")
-	if len(separateParam) != 3 {
+	if len(separateParam) != 3 { //nolint:gomnd
 		return argon2idHash{}, config{}, &parseError{message: "Hash config is not valid"}
 	}
 
@@ -126,22 +127,35 @@ func parseHash(source string) (argon2idHash, config, error) {
 	keyLength := uint32(len(hash))
 
 	var memory int
-	memory, err = strconv.Atoi(strings.Replace(separateParam[0], "m=", "", -1))
+	memory, err = strconv.Atoi(strings.ReplaceAll(separateParam[0], "m=", ""))
 	if err != nil {
 		return argon2idHash{}, config{}, err
 	}
 
 	var iterations int
-	iterations, err = strconv.Atoi(strings.Replace(separateParam[1], "t=", "", -1))
+	iterations, err = strconv.Atoi(strings.ReplaceAll(separateParam[1], "t=", ""))
 	if err != nil {
 		return argon2idHash{}, config{}, err
 	}
 
 	var threads int
-	threads, err = strconv.Atoi(strings.Replace(separateParam[2], "p=", "", -1))
+	threads, err = strconv.Atoi(strings.ReplaceAll(separateParam[2], "p=", ""))
 	if err != nil {
 		return argon2idHash{}, config{}, err
 	}
 
-	return argon2idHash{salt: salt, hash: hash}, config{saltLength: saltLength, memory: uint32(memory), threads: uint8(threads), iterations: uint32(iterations), keyLength: keyLength}, nil
+	argon2idStruct := argon2idHash{
+		salt: salt,
+		hash: hash,
+	}
+
+	hashConfig := config{
+		saltLength: saltLength,
+		memory:     uint32(memory),
+		threads:    uint8(threads),
+		iterations: uint32(iterations),
+		keyLength:  keyLength,
+	}
+
+	return argon2idStruct, hashConfig, nil
 }

internal/utils/utils.go

@@ -6,10 +6,12 @@ import (
 	"regexp"
 	"strconv"
 	"strings"
+
+	"git.gnous.eu/gnouseu/plakken/internal/constant"
 )
 
-// GenerateUrl generate random string for plak url
+// GenerateURL generate random string for plak url.
-func GenerateUrl(length uint8) string {
+func GenerateURL(length uint8) string {
 	listChars := []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")
 	b := make([]rune, length)
 	for i := range b {
@@ -19,7 +21,7 @@ func GenerateUrl(length uint8) string {
 	return string(b)
 }
 
-// CheckCharRedundant  verify is a character is redundant in a string
+// CheckCharRedundant  verify is a character is redundant in a string.
 func CheckCharRedundant(source string, char string) bool { // Verify if a char is redundant
 	return strings.Count(source, char) > 1
 }
@@ -34,22 +36,24 @@ func parseIntBeforeSeparator(source *string, sep string) (int, error) { // retur
 		value, err = strconv.Atoi(strings.Split(*source, sep)[0])
 		if err != nil {
 			log.Println(err)
+
 			return 0, &parseIntBeforeSeparatorError{message: *source + ": cannot parse value as int"}
 		}
 		if value < 0 { // Only positive value is correct
 			return 0, &parseIntBeforeSeparatorError{message: *source + ": format only take positive value"}
 		}
 
-		if value > 99 {
+		if value > 99 { //nolint:gomnd
 			return 0, &parseIntBeforeSeparatorError{message: *source + ": Format only take two number"}
 		}
 
 		*source = strings.Join(strings.Split(*source, sep)[1:], "")
 	}
+
 	return value, nil
 }
 
-// ParseExpiration Parse "1d1h1m1s" duration format. Return 0 & error if error
+// ParseExpiration Parse "1d1h1m1s" duration format. Return 0 & error if error.
 func ParseExpiration(source string) (int, error) {
 	var expiration int
 	var tempOutput int
@@ -61,39 +65,44 @@ func ParseExpiration(source string) (int, error) {
 	source = strings.ToLower(source)
 
 	tempOutput, err = parseIntBeforeSeparator(&source, "d")
-	expiration = tempOutput * 86400
+	expiration = tempOutput * constant.SecondsInDay
 	if err != nil {
 		log.Println(err)
+
 		return 0, &ParseExpirationError{message: "Invalid syntax"}
 	}
 	tempOutput, err = parseIntBeforeSeparator(&source, "h")
-	expiration += tempOutput * 3600
+	expiration += tempOutput * constant.SecondsInHour
 	if err != nil {
 		log.Println(err)
+
 		return 0, &ParseExpirationError{message: "Invalid syntax"}
 	}
 	tempOutput, err = parseIntBeforeSeparator(&source, "m")
-	expiration += tempOutput * 60
+	expiration += tempOutput * constant.SecondsInMinute
 	if err != nil {
 		log.Println(err)
+
 		return 0, &ParseExpirationError{message: "Invalid syntax"}
 	}
 	tempOutput, err = parseIntBeforeSeparator(&source, "s")
 	expiration += tempOutput * 1
 	if err != nil {
 		log.Println(err)
+
 		return 0, &ParseExpirationError{message: "Invalid syntax"}
 	}
 
 	return expiration, nil
 }
 
-// ValidKey Verify if a key is valid (only letter, number, - and _)
+// ValidKey Verify if a key is valid (only letter, number, - and _).
 func ValidKey(key string) bool {
 	result, err := regexp.MatchString("^[a-zA-Z0-9_.-]*$", key)
 	if err != nil {
 		return false
 	}
 	log.Println(key, result)
+
 	return result
 }

internal/web/plak/plak.go

@@ -3,6 +3,7 @@ package plak
 import (
 	"context"
 	"embed"
+	"html/template"
 	"io"
 	"log"
 	"net/http"
@@ -13,19 +14,17 @@ import (
 	"git.gnous.eu/gnouseu/plakken/internal/secret"
 	"git.gnous.eu/gnouseu/plakken/internal/utils"
 	"github.com/redis/go-redis/v9"
-
-	"html/template"
 )
 
-var ctx = context.Background()
+var ctx = context.Background() //nolint:gochecknoglobals
 
 type WebConfig struct {
 	DB        *redis.Client
-	UrlLength uint8
+	URLLength uint8
 	Templates embed.FS
 }
 
-// plak "Object" for plak
+// plak "Object" for plak.
 type plak struct {
 	Key        string
 	Content    string
@@ -33,7 +32,7 @@ type plak struct {
 	DB         *redis.Client
 }
 
-// create a plak
+// create a plak.
 func (plak plak) create() (string, error) {
 	dbConf := database.DBConfig{
 		DB: plak.DB,
@@ -44,7 +43,7 @@ func (plak plak) create() (string, error) {
 		return "", err
 	}
 
-	if dbConf.UrlExist(plak.Key) {
+	if dbConf.URLExist(plak.Key) {
 		return "", &createError{message: "key already exist"}
 	}
 
@@ -59,21 +58,23 @@ func (plak plak) create() (string, error) {
 	return token, nil
 }
 
-// PostCreate manage POST request for create plak
+// PostCreate manage POST request for create plak.
 func (config WebConfig) PostCreate(w http.ResponseWriter, r *http.Request) {
 	content := r.FormValue("content")
 	if content == "" {
 		w.WriteHeader(http.StatusBadRequest)
+
 		return
 	}
 
 	filename := r.FormValue("filename")
 	var key string
 	if len(filename) == 0 {
-		key = utils.GenerateUrl(config.UrlLength)
+		key = utils.GenerateURL(config.URLLength)
 	} else {
 		if !utils.ValidKey(filename) {
 			w.WriteHeader(http.StatusBadRequest)
+
 			return
 		}
 		key = filename
@@ -90,6 +91,7 @@ func (config WebConfig) PostCreate(w http.ResponseWriter, r *http.Request) {
 	if err != nil {
 		log.Println(err)
 		w.WriteHeader(http.StatusInternalServerError)
+
 		return
 	}
 
@@ -103,16 +105,18 @@ func (config WebConfig) PostCreate(w http.ResponseWriter, r *http.Request) {
 	if err != nil {
 		log.Println(err)
 		w.WriteHeader(http.StatusInternalServerError)
+
 		return
 	}
 
 	http.Redirect(w, r, "/"+key, http.StatusSeeOther)
 }
 
-// CurlCreate PostCreate plak with minimum param, ideal for curl. Force 7 day expiration
+// CurlCreate PostCreate plak with minimum param, ideal for curl. Force 7 day expiration.
 func (config WebConfig) CurlCreate(w http.ResponseWriter, r *http.Request) {
 	if r.ContentLength == 0 {
 		w.WriteHeader(http.StatusBadRequest)
+
 		return
 	}
 
@@ -122,7 +126,7 @@ func (config WebConfig) CurlCreate(w http.ResponseWriter, r *http.Request) {
 		log.Println(err)
 	}
 
-	key := utils.GenerateUrl(config.UrlLength)
+	key := utils.GenerateURL(config.URLLength)
 
 	plak := plak{
 		Key:        key,
@@ -135,6 +139,7 @@ func (config WebConfig) CurlCreate(w http.ResponseWriter, r *http.Request) {
 	token, err = plak.create()
 	if err != nil {
 		w.WriteHeader(http.StatusBadRequest)
+
 		return
 	}
 
@@ -154,7 +159,7 @@ func (config WebConfig) CurlCreate(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-// View for plak
+// View for plak.
 func (config WebConfig) View(w http.ResponseWriter, r *http.Request) {
 	dbConf := database.DBConfig{
 		DB: config.DB,
@@ -162,7 +167,8 @@ func (config WebConfig) View(w http.ResponseWriter, r *http.Request) {
 	var currentPlak plak
 	key := r.PathValue("key")
 
-	if dbConf.UrlExist(key) {
+	//nolint:nestif
+	if dbConf.URLExist(key) {
 		currentPlak = plak{
 			Key: key,
 			DB:  config.DB,
@@ -179,12 +185,14 @@ func (config WebConfig) View(w http.ResponseWriter, r *http.Request) {
 			if err != nil {
 				w.WriteHeader(http.StatusInternalServerError)
 				log.Println(err)
+
 				return
 			}
 			err = t.Execute(w, currentPlak)
 			if err != nil {
 				w.WriteHeader(http.StatusInternalServerError)
 				log.Println(err)
+
 				return
 			}
 		}
@@ -193,7 +201,7 @@ func (config WebConfig) View(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-// DeleteRequest manage plak deletion endpoint
+// DeleteRequest manage plak deletion endpoint.
 func (config WebConfig) DeleteRequest(w http.ResponseWriter, r *http.Request) {
 	dbConf := database.DBConfig{
 		DB: config.DB,
@@ -201,7 +209,8 @@ func (config WebConfig) DeleteRequest(w http.ResponseWriter, r *http.Request) {
 	key := r.PathValue("key")
 	var valid bool
 
-	if dbConf.UrlExist(key) {
+	//nolint:nestif
+	if dbConf.URLExist(key) {
 		var err error
 		token := r.URL.Query().Get("secret")
 
@@ -209,7 +218,6 @@ func (config WebConfig) DeleteRequest(w http.ResponseWriter, r *http.Request) {
 		if err != nil {
 			w.WriteHeader(http.StatusInternalServerError)
 			log.Println(err)
-			return
 		}
 
 		if valid {
@@ -223,29 +231,31 @@ func (config WebConfig) DeleteRequest(w http.ResponseWriter, r *http.Request) {
 			}
 
 			w.WriteHeader(http.StatusNoContent)
-			return
 		} else {
 			w.WriteHeader(http.StatusForbidden)
-			return
 		}
+
+		return
 	}
 
 	w.WriteHeader(http.StatusNotFound)
 }
 
-// delete DeleteRequest plak from database
+// delete DeleteRequest plak from database.
 func (plak plak) delete() error {
 	err := plak.DB.Del(ctx, plak.Key).Err()
 	if err != nil {
 		log.Println(err)
+
 		return &deletePlakError{name: plak.Key, err: err}
 	}
 
 	return nil
 }
 
-// getContent get plak content
+// getContent get plak content.
 func (plak plak) getContent() plak {
 	plak.Content = plak.DB.HGet(ctx, plak.Key, "content").Val()
+
 	return plak
 }

main.go

@@ -6,7 +6,7 @@ import (
 
 	"git.gnous.eu/gnouseu/plakken/internal/config"
 	"git.gnous.eu/gnouseu/plakken/internal/database"
-	"git.gnous.eu/gnouseu/plakken/internal/httpServer"
+	"git.gnous.eu/gnouseu/plakken/internal/httpserver"
 )
 
 var (
@@ -25,9 +25,9 @@ func main() {
 		log.Fatal(err)
 	}
 
-	serverConfig := httpServer.ServerConfig{
+	serverConfig := httpserver.ServerConfig{
-		HTTPServer: httpServer.Config(initConfig.ListenAddress),
+		HTTPServer: httpserver.Config(initConfig.ListenAddress),
-		UrlLength:  initConfig.UrlLength,
+		URLLength:  initConfig.URLLength,
 		DB:         db,
 		Static:     static,
 		Templates:  templates,

test/secret/secret_test.go

@@ -10,8 +10,17 @@ import (
 	"golang.org/x/crypto/argon2"
 )
 
-func TestPasswordFormat(t *testing.T) {
+func TestSecret(t *testing.T) {
-	regex := fmt.Sprintf("\\$argon2id\\$v=%d\\$m=%d,t=%d,p=%d\\$[A-Za-z0-9+/]*\\$[A-Za-z0-9+/]*$", argon2.Version, constant.ArgonMemory, constant.ArgonIterations, constant.ArgonThreads)
+	t.Parallel()
+
+	testPasswordFormat(t)
+	testVerifyPassword(t)
+	testVerifyPasswordInvalid(t)
+}
+
+func testPasswordFormat(t *testing.T) {
+	t.Helper()
+	regex := fmt.Sprintf("\\$argon2id\\$v=%d\\$m=%d,t=%d,p=%d\\$[A-Za-z0-9+/]*\\$[A-Za-z0-9+/]*$", argon2.Version, constant.ArgonMemory, constant.ArgonIterations, constant.ArgonThreads) //nolint:lll
 
 	got, err := secret.Password("Password!")
 	if err != nil {
@@ -24,8 +33,9 @@ func TestPasswordFormat(t *testing.T) {
 	}
 }
 
-func TestVerifyPassword(t *testing.T) {
+func testVerifyPassword(t *testing.T) {
-	result, err := secret.VerifyPassword("Password!", "$argon2id$v=19$m=65536,t=2,p=4$A+t5YGpyy1BHCbvk/LP1xQ$eNuUj6B2ZqXlGi6KEqep39a7N4nysUIojuPXye+Ypp0")
+	t.Helper()
+	result, err := secret.VerifyPassword("Password!", "$argon2id$v=19$m=65536,t=2,p=4$A+t5YGpyy1BHCbvk/LP1xQ$eNuUj6B2ZqXlGi6KEqep39a7N4nysUIojuPXye+Ypp0") //nolint:lll
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -35,8 +45,9 @@ func TestVerifyPassword(t *testing.T) {
 	}
 }
 
-func TestVerifyPasswordInvalid(t *testing.T) {
+func testVerifyPasswordInvalid(t *testing.T) {
-	result, err := secret.VerifyPassword("notsamepassword", "$argon2id$v=19$m=65536,t=2,p=4$A+t5YGpyy1BHCbvk/LP1xQ$eNuUj6B2ZqXlGi6KEqep39a7N4nysUIojuPXye+Ypp0")
+	t.Helper()
+	result, err := secret.VerifyPassword("notsamepassword", "$argon2id$v=19$m=65536,t=2,p=4$A+t5YGpyy1BHCbvk/LP1xQ$eNuUj6B2ZqXlGi6KEqep39a7N4nysUIojuPXye+Ypp0") //nolint:lll
 	if err != nil {
 		t.Fatal(err)
 	}

test/utils/utils_test.go

@@ -7,7 +7,25 @@ import (
 	"git.gnous.eu/gnouseu/plakken/internal/utils"
 )
 
-func TestCheckCharNotRedundantTrue(t *testing.T) { // Test CheckCharRedundant with redundant char
+func TestUtils(t *testing.T) {
+	t.Parallel()
+
+	testCheckCharNotRedundantTrue(t)
+	testCheckCharNotRedundantFalse(t)
+	testParseExpirationFull(t)
+	testParseExpirationMissing(t)
+	testParseExpirationWithCaps(t)
+	testParseExpirationNull(t)
+	testParseExpirationNegative(t)
+	testParseExpirationInvalid(t)
+	testParseExpirationInvalidRedundant(t)
+	testParseExpirationInvalidTooHigh(t)
+	testValidKey(t)
+	testInValidKey(t)
+}
+
+func testCheckCharNotRedundantTrue(t *testing.T) { // Test CheckCharRedundant with redundant char
+	t.Helper()
 	want := true
 	got := utils.CheckCharRedundant("2d1h3md4h7s", "h")
 	if got != want {
@@ -15,7 +33,8 @@ func TestCheckCharNotRedundantTrue(t *testing.T) { // Test CheckCharRedundant wi
 	}
 }
 
-func TestCheckCharNotRedundantFalse(t *testing.T) { // Test CheckCharRedundant with not redundant char
+func testCheckCharNotRedundantFalse(t *testing.T) { // Test CheckCharRedundant with not redundant char
+	t.Helper()
 	want := false
 	got := utils.CheckCharRedundant("2d1h3m47s", "h")
 	if got != want {
@@ -23,7 +42,8 @@ func TestCheckCharNotRedundantFalse(t *testing.T) { // Test CheckCharRedundant w
 	}
 }
 
-func TestParseExpirationFull(t *testing.T) { // test parseExpirationFull with all valid separator
+func testParseExpirationFull(t *testing.T) { // test parseExpirationFull with all valid separator
+	t.Helper()
 	result, _ := utils.ParseExpiration("2d1h3m47s")
 	correctValue := 176627
 	if result != correctValue {
@@ -31,7 +51,8 @@ func TestParseExpirationFull(t *testing.T) { // test parseExpirationFull with al
 	}
 }
 
-func TestParseExpirationMissing(t *testing.T) { // test parseExpirationFull with all valid separator
+func testParseExpirationMissing(t *testing.T) { // test parseExpirationFull with all valid separator
+	t.Helper()
 	result, _ := utils.ParseExpiration("1h47s")
 	correctValue := 3647
 	if result != correctValue {
@@ -39,7 +60,8 @@ func TestParseExpirationMissing(t *testing.T) { // test parseExpirationFull with
 	}
 }
 
-func TestParseExpirationWithCaps(t *testing.T) { // test parseExpirationFull with all valid separator
+func testParseExpirationWithCaps(t *testing.T) { // test parseExpirationFull with all valid separator
+	t.Helper()
 	result, _ := utils.ParseExpiration("2D1h3M47s")
 	correctValue := 176627
 	if result != correctValue {
@@ -47,7 +69,8 @@ func TestParseExpirationWithCaps(t *testing.T) { // test parseExpirationFull wit
 	}
 }
 
-func TestParseExpirationNull(t *testing.T) { // test ParseExpirationFull with all valid separator
+func testParseExpirationNull(t *testing.T) { // test ParseExpirationFull with all valid separator
+	t.Helper()
 	result, _ := utils.ParseExpiration("0")
 	correctValue := 0
 	if result != correctValue {
@@ -55,7 +78,8 @@ func TestParseExpirationNull(t *testing.T) { // test ParseExpirationFull with al
 	}
 }
 
-func TestParseExpirationNegative(t *testing.T) { // test ParseExpirationFull with all valid separator
+func testParseExpirationNegative(t *testing.T) { // test ParseExpirationFull with all valid separator
+	t.Helper()
 	_, got := utils.ParseExpiration("-42h1m4s")
 	want := &utils.ParseExpirationError{}
 	if !errors.As(got, &want) {
@@ -63,16 +87,17 @@ func TestParseExpirationNegative(t *testing.T) { // test ParseExpirationFull wit
 	}
 }
 
-func TestParseExpirationInvalid(t *testing.T) { // test ParseExpirationFull with all valid separator
+func testParseExpirationInvalid(t *testing.T) { // test ParseExpirationFull with all valid separator
+	t.Helper()
 	_, got := utils.ParseExpiration("8h42h1m1d4s")
 	want := &utils.ParseExpirationError{}
 	if !errors.As(got, &want) {
 		t.Fatal("Error in ParseExpirationFull, want : ", want, "got : ", got)
 	}
-
 }
 
-func TestParseExpirationInvalidRedundant(t *testing.T) { // test ParseExpirationFull with all valid separator
+func testParseExpirationInvalidRedundant(t *testing.T) { // test ParseExpirationFull with all valid separator
+	t.Helper()
 	_, got := utils.ParseExpiration("8h42h1m1h4s")
 	want := &utils.ParseExpirationError{}
 	if !errors.As(got, &want) {
@@ -80,7 +105,8 @@ func TestParseExpirationInvalidRedundant(t *testing.T) { // test ParseExpiration
 	}
 }
 
-func TestParseExpirationInvalidTooHigh(t *testing.T) { // test ParseExpirationFull with all valid separator
+func testParseExpirationInvalidTooHigh(t *testing.T) { // test ParseExpirationFull with all valid separator
+	t.Helper()
 	_, got := utils.ParseExpiration("2d1h3m130s")
 	want := &utils.ParseExpirationError{}
 	if !errors.As(got, &want) {
@@ -88,7 +114,8 @@ func TestParseExpirationInvalidTooHigh(t *testing.T) { // test ParseExpirationFu
 	}
 }
 
-func TestValidKey(t *testing.T) { // test ValidKey with a valid key
+func testValidKey(t *testing.T) { // test ValidKey with a valid key
+	t.Helper()
 	got := utils.ValidKey("ab_a-C42")
 	want := true
 
@@ -97,7 +124,8 @@ func TestValidKey(t *testing.T) { // test ValidKey with a valid key
 	}
 }
 
-func TestInValidKey(t *testing.T) { // test ValidKey with invalid key
+func testInValidKey(t *testing.T) { // test ValidKey with invalid key
+	t.Helper()
 	got := utils.ValidKey("ab_?a-C42")
 	want := false