Charts I: components 101-120

radar_chart_test.go

@@ -0,0 +1,71 @@
+package mujica
+
+import (
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+)
+
+var radarAxes = []string{"Voice", "Latin", "Chant", "Organ", "Bells"}
+
+func radarSeries() []ChartSeries {
+	return []ChartSeries{
+		{Name: "Agnès", Values: []float64{8, 6, 9, 4, 7}},
+		{Name: "Clare", Values: []float64{5, 9, 6, 8, 3}},
+	}
+}
+
+func TestRadarChartReadout(t *testing.T) {
+	h := &chartHarness{build: func(c *ui.Context) ChartResult {
+		return RadarChart(c, radarAxes, radarSeries(), RadarChartOptions{Frame: ChartFrame{Label: "Skills"}})
+	}}
+	tt := ui.NewTester(h.view, 520, 420)
+	tabTo(t, tt, "Skills")
+	tt.Key(0, ui.KeyRight)
+	tt.Key(0, ui.KeyRight)
+	if got := chartReadout(tt); got != "Latin · Agnès 6 · Clare 9" {
+		t.Fatalf("readout %q", got)
+	}
+	b := h.res.Element.Bounds()
+	cx, cy := b.X+b.W/2, b.Y+38+120+4
+	tt.Key(0, ui.KeyEscape)
+	tt.Move(cx, cy-60) // straight up: the first axis
+	if got := chartReadout(tt); got != "Voice · Agnès 8 · Clare 5" {
+		t.Fatalf("hover %q", got)
+	}
+	if err := tt.Click("Clare"); err != nil {
+		t.Fatal(err)
+	}
+	tt.Move(cx, cy-60)
+	if got := chartReadout(tt); got != "Voice · Agnès 8" {
+		t.Fatalf("hidden series read: %q", got)
+	}
+}
+
+func TestRadarChartBad(t *testing.T) {
+	for name, build := range map[string]func(c *ui.Context){
+		"two axes": func(c *ui.Context) {
+			RadarChart(c, radarAxes[:2], nil, RadarChartOptions{Frame: ChartFrame{Label: "x"}})
+		},
+		"negative": func(c *ui.Context) {
+			RadarChart(c, radarAxes[:3], []ChartSeries{{Name: "a", Values: []float64{1, -1, 2}}}, RadarChartOptions{Frame: ChartFrame{Label: "x"}})
+		},
+	} {
+		func() {
+			defer func() {
+				if recover() == nil {
+					t.Errorf("%s: no panic", name)
+				}
+			}()
+			ui.NewTester(func(c *ui.Context) { Use(c, Settings{}); build(c) }, 300, 300)
+		}()
+	}
+}
+
+func TestRadarChartSnapshot(t *testing.T) {
+	snapshot(t, "radar_chart", 520, 340, func(c *ui.Context) {
+		ui.Column(c).Padding(16).Children(func() {
+			RadarChart(c, radarAxes, radarSeries(), RadarChartOptions{Frame: ChartFrame{Label: "Skills"}})
+		})
+	})
+}