Add jwt crypto module, support unit test for config module

Signed-off-by:  Asai Neko<sugar@sne.moe>

config/config.go

@@ -2,17 +2,29 @@ package config
 
 import (
 	"log"
+	"os"
 
 	"github.com/spf13/viper"
 )
 
 func Init() {
+	// Set config path by env
+	confPath := os.Getenv("CONFIG_PATH")
+	if confPath == "" {
+		confPath = "config.yaml"
+	}
+
 	// Read global config
-	viper.SetConfigFile("config.yaml")
+	viper.SetConfigFile(confPath)
 	viper.SetDefault("Server", serverDef)
 	viper.SetDefault("Database", databaseDef)
 	conf := &config{}
 	if err := viper.ReadInConfig(); err != nil {
+		// Dont generate config when using dev mode
+		if os.Getenv("GO_ENV") == "test" || os.Getenv("CONFIG_PATH") != "" {
+			log.Fatalf("[Config] failed to read config %s: %v", confPath, err)
+		}
+
 		log.Println("Can't read config, trying to modify!")
 		if err := viper.WriteConfig(); err != nil {
 			log.Fatal("[Config] Error writing config: ", err)
@@ -24,17 +36,9 @@ func Init() {
 }
 
 func Get(key string) any {
-	viper.SetConfigFile("config.yaml")
-	if err := viper.ReadInConfig(); err != nil {
-		log.Fatal("[Config] Error reading config: ", err)
-	}
 	return viper.Get(key)
 }
 
 func Set(key string, value any) {
-	viper.SetConfigFile("config.yaml")
-	if err := viper.ReadInConfig(); err != nil {
-		log.Fatal("[Config] Error reading config: ", err)
-	}
 	viper.Set(key, value)
 }

config/default.go

@@ -4,6 +4,7 @@ var serverDef = server{
 	Address:    ":8000",
 	DebugMode:  false,
 	FileLogger: false,
+	JwtSecret:  "something",
 }
 
 var databaseDef = database{

config/env.go

@@ -54,7 +54,7 @@ func SetEnvConf(key string, sub string) {
 
 func EnvInit() {
 	var dict = map[string][]string{
-		"server":   {"address", "debug_mode", "file_logger"},
+		"server":   {"address", "debug_mode", "file_logger", "jwt_secret"},
 		"database": {"type", "host", "name", "username", "password"},
 	}
 	for key, value := range dict {

config/types.go

@@ -9,6 +9,7 @@ type server struct {
 	Address    string `yaml:"address"`
 	DebugMode  bool   `yaml:"debug_mode"`
 	FileLogger bool   `yaml:"file_logger"`
+	JwtSecret  string `yaml:"jwt_secret"`
 }
 
 type database struct {