wip-c2-3

violin_plot_test.go

@@ -0,0 +1,45 @@
+package mujica
+
+import (
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+)
+
+func TestViolinPlotReadout(t *testing.T) {
+	h := &chartHarness{build: func(c *ui.Context) ChartResult {
+		return ViolinPlot(c, append(densityGroups(), boxGroups[0]), ViolinPlotOptions{Frame: ChartFrame{Label: "Hymns"}})
+	}}
+	tt := ui.NewTester(h.view, 520, 420)
+	tabTo(t, tt, "Hymns")
+	tt.Key(0, ui.KeyEnd)
+	if got := chartReadout(tt); got != "Choir · median 5.5 · quartiles 3.25–7.75 · 10 values" {
+		t.Fatalf("readout %q", got)
+	}
+	tt.Key(0, ui.KeyEscape)
+	b := h.res.Element.Bounds()
+	tt.Move(b.X+52+(b.W-64)/6, b.Y+120)
+	if h.res.Point != 0 {
+		t.Fatalf("hover %d", h.res.Point)
+	}
+}
+
+func TestViolinPlotBad(t *testing.T) {
+	defer func() {
+		if recover() == nil {
+			t.Fatal("no panic for an unnamed group")
+		}
+	}()
+	ui.NewTester(func(c *ui.Context) {
+		Use(c, Settings{})
+		ViolinPlot(c, []BoxGroup{{Values: []float64{1}}}, ViolinPlotOptions{Frame: ChartFrame{Label: "x"}})
+	}, 300, 300)
+}
+
+func TestViolinPlotSnapshot(t *testing.T) {
+	snapshot(t, "violin_plot", 520, 320, func(c *ui.Context) {
+		ui.Column(c).Padding(16).Children(func() {
+			ViolinPlot(c, densityGroups(), ViolinPlotOptions{Frame: ChartFrame{Label: "Hymns"}})
+		})
+	})
+}