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extend stringToString pflag binding to stringToInt pflag #1435

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extend stringToString pflag binding to stringToInt pflag #1435

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0573f40
extend stringToString pflag binding to stringToInt pflag
vorishirne Sep 24, 2022
5c55b2b
Merge branch 'spf13:master' into master
vorishirne Nov 8, 2022
0c4bf03
extend stringToString pflag binding to stringToInt pflag
vorishirne Sep 24, 2022
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10 changes: 5 additions & 5 deletions viper.go
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Expand Up @@ -1269,8 +1269,8 @@ func (v *Viper) find(lcaseKey string, flagDefault bool) interface{} {
s = strings.TrimSuffix(s, "]")
res, _ := readAsCSV(s)
return cast.ToIntSlice(res)
case "stringToString":
return stringToStringConv(flag.ValueString())
case "stringToString", "stringToInt":
return stringToInterfaceCong(flag.ValueString())
default:
return flag.ValueString()
}
Expand Down Expand Up @@ -1348,8 +1348,8 @@ func (v *Viper) find(lcaseKey string, flagDefault bool) interface{} {
s = strings.TrimSuffix(s, "]")
res, _ := readAsCSV(s)
return cast.ToIntSlice(res)
case "stringToString":
return stringToStringConv(flag.ValueString())
case "stringToString", "stringToInt":
return stringToInterfaceCong(flag.ValueString())
default:
return flag.ValueString()
}
Expand All @@ -1371,7 +1371,7 @@ func readAsCSV(val string) ([]string, error) {

// mostly copied from pflag's implementation of this operation here https://github.com/spf13/pflag/blob/master/string_to_string.go#L79
// alterations are: errors are swallowed, map[string]interface{} is returned in order to enable cast.ToStringMap
func stringToStringConv(val string) interface{} {
func stringToInterfaceCong(val string) interface{} {
val = strings.Trim(val, "[]")
// An empty string would cause an empty map
if len(val) == 0 {
Expand Down
8 changes: 7 additions & 1 deletion viper_test.go
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Expand Up @@ -1166,16 +1166,22 @@ func TestBindPFlagDetectNilFlag(t *testing.T) {
assert.Error(t, result)
}

func TestBindPFlagStringToString(t *testing.T) {
func TestBindPFlagCSVKeyValue(t *testing.T) {
tests := []struct {
Expected map[string]string
Value string
}{
// stringToString
{map[string]string{}, ""},
{map[string]string{"yo": "hi"}, "yo=hi"},
{map[string]string{"yo": "hi", "oh": "hi=there"}, "yo=hi,oh=hi=there"},
{map[string]string{"yo": ""}, "yo="},
{map[string]string{"yo": "", "oh": "hi=there"}, "yo=,oh=hi=there"},
//stringToInt
{map[string]string{"yo": "1", "oh": "21"}, "yo=1,oh=21"},
{map[string]string{"yo": "2", "oh": "21.0"}, "yo=2,oh=21.0"},
{map[string]string{"yo": "", "oh": "20.99"}, "yo=,oh=20.99"},
{map[string]string{"yo": "", "oh": ""}, "yo=,oh="},
}

v := New() // create independent Viper object
Expand Down