92 lines
1.7 KiB
Go
92 lines
1.7 KiB
Go
package sharedutil
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import (
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"testing"
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"github.com/dweymouth/supersonic/backend/mediaprovider"
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)
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func Test_ReorderTracks(t *testing.T) {
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tracks := []*mediaprovider.Track{
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{ID: "a"}, // 0
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{ID: "b"}, // 1
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{ID: "c"}, // 2
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{ID: "d"}, // 3
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{ID: "e"}, // 4
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{ID: "f"}, // 5
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}
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// test MoveToTop:
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idxToMove := []int{0, 2, 3, 5}
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want := []*mediaprovider.Track{
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{ID: "a"},
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{ID: "c"},
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{ID: "d"},
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{ID: "f"},
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{ID: "b"},
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{ID: "e"},
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}
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newTracks := ReorderTracks(tracks, idxToMove, MoveToTop)
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if !tracklistsEqual(t, newTracks, want) {
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t.Error("ReorderTracks: MoveToTop order incorrect")
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}
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// test MoveToBottom:
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idxToMove = []int{0, 2, 5}
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want = []*mediaprovider.Track{
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{ID: "b"},
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{ID: "d"},
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{ID: "e"},
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{ID: "a"},
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{ID: "c"},
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{ID: "f"},
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}
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newTracks = ReorderTracks(tracks, idxToMove, MoveToBottom)
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if !tracklistsEqual(t, newTracks, want) {
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t.Error("ReorderTracks: MoveToBottom order incorrect")
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}
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// test MoveUp:
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idxToMove = []int{0, 1, 3, 5}
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want = []*mediaprovider.Track{
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{ID: "a"},
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{ID: "b"},
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{ID: "d"},
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{ID: "c"},
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{ID: "f"},
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{ID: "e"},
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}
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newTracks = ReorderTracks(tracks, idxToMove, MoveUp)
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if !tracklistsEqual(t, newTracks, want) {
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t.Error("ReorderTracks: MoveUp order incorrect")
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}
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// test MoveDown:
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idxToMove = []int{2, 4, 5}
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want = []*mediaprovider.Track{
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{ID: "a"},
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{ID: "b"},
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{ID: "d"},
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{ID: "c"},
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{ID: "e"},
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{ID: "f"},
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}
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newTracks = ReorderTracks(tracks, idxToMove, MoveDown)
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if !tracklistsEqual(t, newTracks, want) {
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t.Error("ReorderTracks: MoveDown order incorrect")
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}
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}
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func tracklistsEqual(t *testing.T, a, b []*mediaprovider.Track) bool {
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t.Helper()
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if len(a) != len(b) {
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return false
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}
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for i, _ := range a {
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if a[i].ID != b[i].ID {
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return false
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}
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}
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return true
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}
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