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feat(tags): Create Flatten() method
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2 changed files with 59 additions and 0 deletions
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@ -40,6 +40,20 @@ func (l TagLists) String() string {
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return fmt.Sprintf("%v", []TagList(l))
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}
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// Flatten returns the list of all tags provided in TagLists
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func (l TagLists) Flatten() (tags TagList) {
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tags = make([]string, 0)
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for _, list := range l {
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for _, tag := range list {
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if tag != "" {
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tags = append(tags, tag)
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}
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}
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}
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return tags
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}
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// Set updates the TagList's value.
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func (l *TagLists) Set(s string) error {
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*l = append(*l, splitTagList(s))
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45
internal/restic/tag_list_test.go
Normal file
45
internal/restic/tag_list_test.go
Normal file
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@ -0,0 +1,45 @@
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package restic
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import (
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rtest "github.com/restic/restic/internal/test"
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"testing"
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)
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func TestTagLists_Flatten(t *testing.T) {
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tests := []struct {
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name string
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l TagLists
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want TagList
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}{
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{
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name: "4 tags",
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l: TagLists{
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TagList{
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"tag1",
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"tag2",
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},
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TagList{
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"tag3",
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"tag4",
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},
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},
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want: TagList{"tag1", "tag2", "tag3", "tag4"},
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},
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{
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name: "No tags",
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l: nil,
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want: TagList{},
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},
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{
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name: "Empty tags",
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l: TagLists{[]string{""}},
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want: TagList{},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got := tt.l.Flatten()
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rtest.Equals(t, got, tt.want)
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})
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}
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}
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