85 lines
2.8 KiB
Go
85 lines
2.8 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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var pcAxes = []string{"Age", "Hymns", "Vigils"}
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var pcRows = [][]float64{{20, 3, 9}, {35, 8, 2}, {50, 5, 5}, {65, 1, math.NaN()}}
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var pcNames = []string{"Agnès", "Clare", "Hild", "Bede"}
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func TestParallelCoordinatesReadoutAndBrush(t *testing.T) {
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filters := map[string][2]float64{}
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values := 0
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h := &chartHarness{build: func(c *ui.Context) ChartResult {
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r := ParallelCoordinates(c, &filters, pcAxes, pcRows, ParallelCoordinatesOptions{Frame: ChartFrame{Label: "Monks"}, Names: pcNames})
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if r.ValueChanged() {
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values++
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}
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return r
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}}
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tt := ui.NewTester(h.view, 520, 420)
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tabTo(t, tt, "Monks")
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tt.Key(0, ui.KeyEnd)
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if got := chartReadout(tt); got != "Bede · Age 65 · Hymns 1 · Vigils no value" {
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t.Fatalf("readout %q", got)
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}
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b := h.res.Element.Bounds()
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plot := ui.Rect{X: b.X + 36, Y: b.Y + 24, W: b.W - 72, H: 240 - 32}
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// Age runs 20..80 on the first axis: brush 30..55.
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y := func(v float32) float32 { return plot.Y + plot.H*(1-(v-20)/60) }
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tt.Press(plot.X, y(55))
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tt.Move(plot.X, y(40))
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tt.Move(plot.X, y(30))
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tt.Release(plot.X, y(30))
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f, ok := filters["Age"]
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if !ok || math.Abs(f[0]-30) > 0.5 || math.Abs(f[1]-55) > 0.5 || values != 1 {
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t.Fatalf("brush %v %v (%d)", f, ok, values)
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}
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tt.Key(0, ui.KeyHome)
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if got := chartReadout(tt); got != "Agnès · Age 20 · Hymns 3 · Vigils 9 · filtered out" {
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t.Fatalf("filtered readout %q", got)
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}
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tt.Press(plot.X, y(45)) // a click on the axis clears it
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tt.Release(plot.X, y(45))
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if _, ok := filters["Age"]; ok {
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t.Fatal("click did not clear the brush")
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}
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}
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func TestParallelCoordinatesHoverAndBad(t *testing.T) {
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filters := map[string][2]float64{}
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h := &chartHarness{build: func(c *ui.Context) ChartResult {
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return ParallelCoordinates(c, &filters, pcAxes, pcRows, ParallelCoordinatesOptions{Frame: ChartFrame{Label: "Monks"}})
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}}
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tt := ui.NewTester(h.view, 520, 420)
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b := h.res.Element.Bounds()
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plot := ui.Rect{X: b.X + 36, Y: b.Y + 24, W: b.W - 72, H: 240 - 32}
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// A quarter into the first gap, row 2 (Age 50 of 20..80, Hymns 5 of 0..8) is 0.53 up.
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tt.Move(plot.X+plot.W/8, plot.Y+plot.H*(1-0.53125))
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if h.res.Point != 2 {
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t.Fatalf("hover picked %d", h.res.Point)
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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 a short row")
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}
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}()
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ui.NewTester(func(c *ui.Context) {
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Use(c, Settings{})
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ParallelCoordinates(c, &filters, pcAxes, [][]float64{{1}}, ParallelCoordinatesOptions{Frame: ChartFrame{Label: "x"}})
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}, 300, 300)
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}
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func TestParallelCoordinatesSnapshot(t *testing.T) {
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snapshot(t, "parallel_coordinates", 520, 320, func(c *ui.Context) {
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filters := map[string][2]float64{"Hymns": {2, 9}}
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ui.Column(c).Padding(16).Children(func() {
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ParallelCoordinates(c, &filters, pcAxes, pcRows, ParallelCoordinatesOptions{Frame: ChartFrame{Label: "Monks"}, Names: pcNames})
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})
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})
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}
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