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fix(config): get config type from v.configType or config file ext

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GuillaumeBAECHLER 2025-03-25 15:18:36 +01:00 committed by Márk Sági-Kazár
parent d319333b0f
commit cbc92421b1
2 changed files with 20 additions and 4 deletions

8
viper.go
View file

@ -1535,8 +1535,8 @@ func (v *Viper) MergeInConfig() error {
func ReadConfig(in io.Reader) error { return v.ReadConfig(in) }
func (v *Viper) ReadConfig(in io.Reader) error {
if v.configType == "" {
return errors.New("cannot decode configuration: config type is not set")
if v.getConfigType() == "" {
return errors.New("cannot decode configuration: unable to get config type from configType or file extension")
}
v.config = make(map[string]any)
@ -1547,8 +1547,8 @@ func (v *Viper) ReadConfig(in io.Reader) error {
func MergeConfig(in io.Reader) error { return v.MergeConfig(in) }
func (v *Viper) MergeConfig(in io.Reader) error {
if v.configType == "" {
return errors.New("cannot decode configuration: config type is not set")
if v.getConfigType() == "" {
return errors.New("cannot decode configuration: unable to get config type from configType or file extension")
}
cfg := make(map[string]any)

16
viper_test.go
View file

@ -1542,6 +1542,14 @@ func TestReadConfig(t *testing.T) {
})
}
func TestReadConfigWithSetConfigFile(t *testing.T) {
v := New()
v.SetConfigFile("config.yaml") // Dummy value to infer config type from file extension
err := v.ReadConfig(bytes.NewBuffer(yamlMergeExampleSrc))
require.NoError(t, err)
assert.Equal(t, 45000, v.GetInt("hello.pop"))
}
func TestIsSet(t *testing.T) {
v := New()
v.SetConfigType("yaml")
@ -2059,6 +2067,14 @@ func TestMergeConfig(t *testing.T) {
assert.Equal(t, "bar", v.GetString("fu"))
}
func TestMergeConfigWithSetConfigFile(t *testing.T) {
v := New()
v.SetConfigFile("config.yaml") // Dummy value to infer config type from file extension
err := v.MergeConfig(bytes.NewBuffer(yamlMergeExampleSrc))
require.NoError(t, err)
assert.Equal(t, 45000, v.GetInt("hello.pop"))
}
func TestMergeConfigOverrideType(t *testing.T) {
v := New()
v.SetConfigType("json")