106 lines
2.7 KiB
Go
106 lines
2.7 KiB
Go
package mujica
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import (
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"bytes"
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"testing"
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"time"
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"github.com/egoist/mygo/ui"
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)
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// motionFrames builds view and returns its tester and a counter of built frames.
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func motionFrames(view func(c *ui.Context), w, h int) (*ui.Tester, *int) {
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n := new(int)
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tt := ui.NewTester(func(c *ui.Context) {
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*n++
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Use(c, Settings{})
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view(c)
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}, w, h)
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return tt, n
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}
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// motionBusy reports whether one more frame keeps asking for frames.
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func motionBusy(tt *ui.Tester, n *int) bool {
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before := *n
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tt.Frame()
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return *n-before > 2
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}
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// motionCount counts texts and names equal to s.
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func motionCount(tt *ui.Tester, s string) int {
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n := 0
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for _, x := range tt.Texts() {
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if x == s {
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n++
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}
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}
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return n
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}
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var loaderCases = map[string]func(c *ui.Context, o LoaderOptions) *ui.Element{
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"dots": DotsLoader, "bars": BarsLoader, "pulse": PulseLoader, "orbit": OrbitLoader, "wave": WaveLoader,
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}
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func testLoaderBehavior(t *testing.T, loader func(*ui.Context, LoaderOptions) *ui.Element) {
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show := true
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tt, n := motionFrames(func(c *ui.Context) {
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if show {
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loader(c, LoaderOptions{Size: 32, Label: "Thinking"})
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}
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}, 200, 80)
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if _, ok := tt.Find("Thinking"); !ok {
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t.Fatal("loader not named")
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}
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if motionCount(tt, "Thinking") != 1 {
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t.Fatal("label shown without ShowLabel")
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}
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a := encode(t, tt.Image())
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time.Sleep(120 * time.Millisecond)
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tt.Frame()
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if bytes.Equal(a, encode(t, tt.Image())) || !motionBusy(tt, n) {
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t.Fatal("loader does not move")
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}
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tt.SetPreferences(ui.Preferences{ReduceMotion: true, TextScale: 1})
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if motionBusy(tt, n) || motionCount(tt, "Thinking") != 2 {
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t.Fatalf("reduced motion: still repainting or no static label: %q", tt.Texts())
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}
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a = encode(t, tt.Image())
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time.Sleep(120 * time.Millisecond)
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tt.Frame()
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if !bytes.Equal(a, encode(t, tt.Image())) {
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t.Fatal("loader moved under reduced motion")
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}
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tt.SetPreferences(ui.Preferences{TextScale: 1})
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show = false
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tt.Frame()
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if motionBusy(tt, n) {
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t.Fatal("hidden loader keeps repainting")
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}
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}
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func TestLoadersInvalidSize(t *testing.T) {
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for name, loader := range loaderCases {
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func() {
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defer func() {
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if recover() == nil {
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t.Errorf("%s: negative size did not panic", name)
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}
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}()
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ui.Render(func(c *ui.Context) {
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Use(c, Settings{})
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loader(c, LoaderOptions{Size: -1})
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}, 100, 50, 1)
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}()
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}
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}
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func loaderSnapshot(t *testing.T, name string, loader func(c *ui.Context, o LoaderOptions) *ui.Element) {
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snapshot(t, name, 480, 90, func(c *ui.Context) {
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ui.Row(c).Padding(20).Gap(24).AlignItems(ui.Center).Children(func() {
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loader(c, LoaderOptions{})
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loader(c, LoaderOptions{Size: 28, Label: "Thinking", ShowLabel: true})
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loader(c, LoaderOptions{Size: 20, Color: Tokens(c).Info})
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})
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})
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}
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