Charts I: components 101-120

box_plot_test.go

@@ -0,0 +1,59 @@
+package mujica
+
+import (
+	"fmt"
+	"math"
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+)
+
+var boxGroups = []BoxGroup{
+	{Name: "Choir", Values: []float64{1, 2, 3, 4, 5, 6, 7, 8, 9, 40}},
+	{Name: "Nave", Values: []float64{4, 5, 5, 6, 7, math.NaN()}},
+}
+
+func TestBoxSummary(t *testing.T) {
+	s := boxSummary(boxGroups[0].Values)
+	if s.q1 != 3.25 || s.median != 5.5 || s.q3 != 7.75 || s.lo != 1 || s.hi != 9 || fmt.Sprint(s.outliers) != "[40]" || s.n != 10 {
+		t.Fatalf("summary %+v", s)
+	}
+	if s := boxSummary([]float64{math.NaN()}); s.n != 0 {
+		t.Fatal("NaN counted")
+	}
+}
+
+func TestBoxPlotReadout(t *testing.T) {
+	h := &chartHarness{build: func(c *ui.Context) ChartResult {
+		return BoxPlot(c, boxGroups, BoxPlotOptions{Frame: ChartFrame{Label: "Hymns"}})
+	}}
+	tt := ui.NewTester(h.view, 520, 420)
+	tabTo(t, tt, "Hymns")
+	tt.Key(0, ui.KeyRight)
+	if got := chartReadout(tt); got != "Choir · median 5.5 · quartiles 3.25–7.75 · whiskers 1–9 · 1 outliers" {
+		t.Fatalf("readout %q", got)
+	}
+	b := h.res.Element.Bounds()
+	tt.Key(0, ui.KeyEscape)
+	tt.Move(b.X+52+(b.W-64)*0.75, b.Y+100)
+	if got := chartReadout(tt); got != "Nave · median 5 · quartiles 5–6 · whiskers 4–7 · 0 outliers" {
+		t.Fatalf("hover %q", got)
+	}
+}
+
+func TestBoxPlotEmpty(t *testing.T) {
+	h := &chartHarness{build: func(c *ui.Context) ChartResult {
+		return BoxPlot(c, []BoxGroup{{Name: "a"}}, BoxPlotOptions{Frame: ChartFrame{Label: "Hymns"}})
+	}}
+	if tt := ui.NewTester(h.view, 520, 420); !tt.HasText("No data") {
+		t.Fatalf("empty: %q", tt.Texts())
+	}
+}
+
+func TestBoxPlotSnapshot(t *testing.T) {
+	snapshot(t, "box_plot", 520, 320, func(c *ui.Context) {
+		ui.Column(c).Padding(16).Children(func() {
+			BoxPlot(c, append(boxGroups, BoxGroup{Name: "Crypt", Values: []float64{12, 14, 15, 18, 22, 25}}), BoxPlotOptions{Frame: ChartFrame{Label: "Hymns"}})
+		})
+	})
+}