96 lines
2.6 KiB
Go
96 lines
2.6 KiB
Go
package chart
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import (
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"bytes"
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"image/color"
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"image/png"
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"testing"
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"github.com/egoist/mygo/ui"
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"git.zacharyzhang.com/ZacharyZhang-NY/MujicaUI/core"
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"git.zacharyzhang.com/ZacharyZhang-NY/MujicaUI/theme"
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)
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func TestChartExportPNGInTheme(t *testing.T) {
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for _, mode := range []core.Mode{core.Light, core.Dark} {
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var out []byte
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ui.NewTester(func(c *ui.Context) {
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core.Use(c, core.Settings{Mode: mode})
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if out != nil {
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return
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}
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b, err := ChartExport(c, func(c *ui.Context) {
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BarChart(c, barCats, barSeries(), BarChartOptions{Frame: ChartFrame{Label: "Tithes", Height: 160}})
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}, ChartExportOptions{Width: 300, Height: 220, Scale: 1.5})
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if err != nil {
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t.Fatal(err)
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}
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out = b
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}, 100, 100)
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img, err := png.Decode(bytes.NewReader(out))
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if err != nil {
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t.Fatal(err)
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}
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if b := img.Bounds(); b.Dx() != 450 || b.Dy() != 330 {
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t.Fatalf("%v: size %v", mode, b)
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}
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k := theme.Light()
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if mode == core.Dark {
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k = theme.Dark()
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}
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if got := color.RGBAModel.Convert(img.At(3, 3)).(color.RGBA); got != toRGBA(k.Surface) {
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t.Fatalf("%v: corner %v, want the theme's Surface", mode, got)
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}
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}
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}
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func TestChartExportBad(t *testing.T) {
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defer func() {
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if recover() == nil {
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t.Fatal("no panic for a zero size")
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}
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}()
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ui.NewTester(func(c *ui.Context) {
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core.Use(c, core.Settings{})
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_, _ = ChartExport(c, func(*ui.Context) {}, ChartExportOptions{})
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}, 100, 100)
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}
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func TestChartExportSnapshot(t *testing.T) {
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snapshot(t, "chart_export", 340, 300, func(c *ui.Context) {
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b, err := ChartExport(c, func(c *ui.Context) {
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PieChart(c, pieSlices, PieChartOptions{Frame: ChartFrame{Label: "Stores", Height: 150}, Donut: true, MinAngle: 20})
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}, ChartExportOptions{Width: 300, Height: 260, Scale: 1})
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if err != nil {
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t.Fatal(err)
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}
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bmp, err := ui.DecodeBitmap(b)
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if err != nil {
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t.Fatal(err)
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}
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ui.Column(c).Padding(20).Children(func() { ui.Image(c, bmp).Size(300, 260) })
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})
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}
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func TestChartExportPreservesPreferences(t *testing.T) {
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var data []byte
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var got ui.Preferences
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tt := ui.NewTester(func(c *ui.Context) {
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core.Use(c, core.Settings{Mode: core.Dark, Locale: core.ZhCN})
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if data != nil {
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return
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}
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var err error
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data, err = ChartExport(c, func(c *ui.Context) { got = c.Preferences(); ui.Text(c, "Scale") }, ChartExportOptions{Width: 100, Height: 80, Scale: 1})
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if err != nil {
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t.Fatal(err)
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}
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}, 100, 80)
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data = nil
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tt.SetPreferences(ui.Preferences{TextScale: 2, ReduceMotion: true, HighContrast: true})
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if got.TextScale != 2 || !got.ReduceMotion || !got.HighContrast {
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t.Fatalf("export preferences %+v", got)
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}
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}
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