x/urfave-cli
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Merge pull request #1127 from sgoroshko/master

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fix #1121(StringSliceFlag set default value into destination)
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lynn (they) 2020-06-03 17:17:52 -07:00 committed by GitHub
commit b190f2d2fc
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2 changed files with 19 additions and 0 deletions
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7
flag_string_slice.go
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@ -116,6 +116,13 @@ func (f *StringSliceFlag) GetValue() string {
// Apply populates the flag given the flag set and environment
func (f *StringSliceFlag) Apply(set *flag.FlagSet) error {
if f.Destination != nil && f.Value != nil {
f.Destination.slice = make([]string, len(f.Value.slice))
copy(f.Destination.slice, f.Value.slice)
}
if val, ok := flagFromEnvOrFile(f.EnvVars, f.FilePath); ok {
f.Value = &StringSlice{}
destination := f.Value

12
flag_test.go
View File

@ -386,6 +386,18 @@ func TestStringSliceFlagApply_SetsAllNames(t *testing.T) {
expect(t, err, nil)
}
func TestStringSliceFlagApply_DefaultValueWithDestination(t *testing.T) {
defValue := []string{"UA", "US"}
fl := StringSliceFlag{Name: "country", Value: NewStringSlice(defValue...), Destination: NewStringSlice("CA")}
set := flag.NewFlagSet("test", 0)
_ = fl.Apply(set)
err := set.Parse([]string{})
expect(t, err, nil)
expect(t, defValue, fl.Destination.Value())
}
var intFlagTests = []struct {
name string
expected string