add cache configuration to config parse tests

Signed-off-by: kim <grufwub@gmail.com>

internal/config/config.go

@@ -183,7 +183,7 @@ type CacheConfig struct {
 	UserSweepFreq time.Duration `name:"user-sweep-freq"`
 }
 
-// MarshalMap will marshal current Configuration into a map structure (useful for JSON).
+// MarshalMap will marshal current Configuration into a map structure (useful for JSON/TOML/YAML).
 func (cfg *Configuration) MarshalMap() (map[string]interface{}, error) {
 	var dst map[string]interface{}
 	dec, _ := mapstructure.NewDecoder(&mapstructure.DecoderConfig{

internal/config/state.go

@@ -41,8 +41,8 @@ func NewState() *ConfigState {
 	viper := viper.New()
 
 	// Flag 'some-flag-name' becomes env var 'GTS_SOME_FLAG_NAME'
-	viper.SetEnvPrefix("gts")
 	viper.SetEnvKeyReplacer(strings.NewReplacer("-", "_"))
+	viper.SetEnvPrefix("gts")
 
 	// Load appropriate named vals from env
 	viper.AutomaticEnv()

internal/config/testdata/test.yaml

@@ -409,3 +409,9 @@ syslog-protocol: "udp"
 # String. Address:port to send syslog logs to. Leave empty to connect to local syslog.
 # Default: "localhost:514"
 syslog-address: "localhost:514"
+
+# Cache configuration
+cache:
+  account-max-size: 99
+  account-ttl: "3h"
+  account-sweep-freq: "1s"