55 lines
1.8 KiB
Go
55 lines
1.8 KiB
Go
package mujica
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import (
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"math"
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"testing"
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"github.com/egoist/mygo/ui"
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)
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func TestAreaBands(t *testing.T) {
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series := []ChartSeries{{Name: "a", Values: []float64{1, math.NaN(), 3}}, {Name: "b", Values: []float64{2, 2, 2}}}
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none := func(string) bool { return false }
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st := areaBands(series, none, true, 10)
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if st[0][0][0] != 11 || st[1][1][0] != 11 || st[0][1][0] != 13 || !math.IsNaN(st[0][0][1]) || st[0][1][1] != 12 {
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t.Fatalf("stacked %v", st)
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}
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hideA := func(s string) bool { return s == "a" }
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st = areaBands(series, hideA, true, 0)
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if st[0][1][2] != 2 || st[1][1][2] != 0 {
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t.Fatalf("hidden series still stacked: %v", st)
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}
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flat := areaBands(series, none, false, -1)
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if flat[0][0][2] != 3 || flat[1][0][2] != -1 || flat[1][1][2] != -1 {
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t.Fatalf("baseline %v", flat)
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}
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}
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func TestAreaChartStackedReadout(t *testing.T) {
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h := &chartHarness{build: func(c *ui.Context) ChartResult {
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return AreaChart(c, lineSeries(), AreaChartOptions{Frame: ChartFrame{Label: "Nave"}, Stacked: true, Baseline: 1})
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}}
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tt := ui.NewTester(h.view, 520, 420)
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tabTo(t, tt, "Nave")
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tt.Key(0, ui.KeyRight)
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if got := chartReadout(tt); got != "0 · Pews 3 · Candles 5" {
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t.Fatalf("readout shows the series values, not the stack: %q", got)
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}
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b := h.res.Element.Bounds()
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tt.Move(b.X+52+(b.W-64)*0.5, b.Y+b.H/2)
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if got := chartReadout(tt); got != "2 · Pews no value · Candles 6" || h.res.Point != 2 {
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t.Fatalf("hover %q", got)
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}
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}
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func TestAreaChartSnapshot(t *testing.T) {
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snapshot(t, "area_chart", 520, 340, func(c *ui.Context) {
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ui.Column(c).Padding(16).Children(func() {
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AreaChart(c, []ChartSeries{
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{Name: "Matins", Values: []float64{3, 4, 6, 5, 7, 8}},
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{Name: "Vespers", Values: []float64{2, 3, 2, 4, 3, 5}},
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}, AreaChartOptions{Frame: ChartFrame{Label: "Attendance"}, Stacked: true})
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})
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})
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}
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