feat 单元测试

config/config.go

@@ -19,10 +19,12 @@ type Config struct {
 	Metric *config.MetricConfig `yaml:"metric"`
 	DB     *config.DBConfig     `yaml:"db"`
 	Serve  *config.ServeConfig  `yaml:"serve"`
-	Auth   *struct {
-		Secret string `yaml:"secret"`
-		Expire int64  `yaml:"expire"`
-	}
+	Auth   *AuthConfig          `yaml:"auth"`
+}
+
+type AuthConfig struct {
+	Secret string `yaml:"secret"`
+	Expire int64  `yaml:"expire"`
 }
 
 var cfg *Config
@@ -37,3 +39,7 @@ func LoadConfig() error {
 func Get() *Config {
 	return cfg
 }
+
+func Set(c *Config) {
+	cfg = c
+}