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Preserve envPrefix in Sub

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TaylorOno 2021-04-04 13:16:36 -07:00 committed by Márk Sági-Kazár
parent 3f4449054d
commit 3970ad177e
2 changed files with 8 additions and 2 deletions
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1
viper.go
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@ -952,6 +952,7 @@ func (v *Viper) Sub(key string) *Viper {
if reflect.TypeOf(data).Kind() == reflect.Map {
subv.parents = append(v.parents, strings.ToLower(key))
subv.automaticEnvApplied = v.automaticEnvApplied
subv.envPrefix = v.envPrefix
subv.envKeyReplacer = v.envKeyReplacer
subv.config = cast.ToStringMap(data)
return subv

9
viper_test.go
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@ -738,12 +738,17 @@ func TestEnvSubConfig(t *testing.T) {
v.AutomaticEnv()
replacer := strings.NewReplacer(".", "_")
v.SetEnvKeyReplacer(replacer)
v.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
testutil.Setenv(t, "CLOTHING_PANTS_SIZE", "small")
subv := v.Sub("clothing").Sub("pants")
assert.Equal(t, "small", subv.Get("size"))
// again with EnvPrefix
v.SetEnvPrefix("foo") // will be uppercased automatically
subWithPrefix := v.Sub("clothing").Sub("pants")
testutil.Setenv(t, "FOO_CLOTHING_PANTS_SIZE", "large")
assert.Equal(t, "large", subWithPrefix.Get("size"))
}
func TestAllKeys(t *testing.T) {