91 lines
2.6 KiB
Go
91 lines
2.6 KiB
Go
package mujica
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import (
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"image/color"
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"math"
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"testing"
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"github.com/egoist/mygo/ui"
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"mujicaui/theme"
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)
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func TestTrendIndicatorWordsAndColors(t *testing.T) {
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for _, tc := range []struct {
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change float64
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invert bool
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label string
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good bool
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}{
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{12.5, false, "up +12.5%", true},
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{-3, false, "down −3.0%", false},
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{-3, true, "down −3.0%", true},
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{0, false, "unchanged 0.0%", false},
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} {
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var r ui.Rect
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tt := ui.NewTester(func(c *ui.Context) {
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Use(c, Settings{Mode: Light})
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ui.Column(c).Padding(10).AlignItems(ui.Start).Children(func() {
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r = TrendIndicator(c, tc.change, TrendIndicatorOptions{Precision: 1, Unit: "%", Invert: tc.invert, Note: "vs Lent"}).Bounds()
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})
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}, 300, 100)
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tt.Frame()
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if _, ok := tt.Find(tc.label); !ok || !tt.HasText("vs Lent") {
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t.Fatalf("%v: no %q in %q", tc.change, tc.label, tt.Texts())
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}
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k := theme.Light()
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want := map[bool]color.RGBA{true: toRGBA(k.Success), false: toRGBA(k.Danger)}[tc.good]
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if tc.change == 0 {
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continue
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}
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found := false
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img := tt.Image()
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for x := int(r.X); x < int(r.X+16) && !found; x++ {
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for y := int(r.Y); y < int(r.Y+r.H) && !found; y++ {
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found = color.RGBAModel.Convert(img.At(x, y)).(color.RGBA) == want
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}
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}
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if !found {
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t.Fatalf("%v invert=%v: arrow not in %v", tc.change, tc.invert, want)
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}
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}
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}
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func TestTrendIndicatorFormatAndBad(t *testing.T) {
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tt := ui.NewTester(func(c *ui.Context) {
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Use(c, Settings{})
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TrendIndicator(c, 2, TrendIndicatorOptions{Format: func(v float64) string { return "two more" }})
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}, 200, 100)
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if !tt.HasText("two more") {
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t.Fatalf("format %q", tt.Texts())
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}
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defer func() {
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if recover() == nil {
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t.Fatal("no panic for NaN")
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}
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}()
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ui.NewTester(func(c *ui.Context) { Use(c, Settings{}); TrendIndicator(c, math.NaN(), TrendIndicatorOptions{}) }, 100, 100)
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}
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func TestTrendIndicatorSnapshot(t *testing.T) {
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snapshot(t, "trend_indicator", 420, 80, func(c *ui.Context) {
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ui.Row(c).Padding(16).Gap(24).Children(func() {
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TrendIndicator(c, 12.5, TrendIndicatorOptions{Precision: 1, Unit: "%", Note: "vs Lent"})
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TrendIndicator(c, -3, TrendIndicatorOptions{Unit: " souls"})
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TrendIndicator(c, -4, TrendIndicatorOptions{Unit: "%", Invert: true})
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TrendIndicator(c, 0, TrendIndicatorOptions{})
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})
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})
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}
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func TestTrendIndicatorFiniteAndChinese(t *testing.T) {
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charts2MustPanic(t, func(c *ui.Context) { TrendIndicator(c, math.Inf(1), TrendIndicatorOptions{}) })
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tt := ui.NewTester(func(c *ui.Context) {
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Use(c, Settings{Locale: ZhCN})
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TrendIndicator(c, -2, TrendIndicatorOptions{Unit: "%"})
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}, 200, 100)
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if _, ok := tt.Find("下降 −2%"); !ok {
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t.Fatalf("Chinese readout %q", tt.Texts())
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}
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}
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