Charts I: components 101-120

heatmap_chart_test.go

@@ -0,0 +1,68 @@
+package mujica
+
+import (
+	"math"
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+)
+
+var heatRows = []string{"Mon", "Tue", "Wed"}
+var heatCols = []string{"Matins", "Lauds", "Vespers", "Compline"}
+
+func heatValues() [][]float64 {
+	return [][]float64{{1, 4, 9, 2}, {3, math.NaN(), 7, 5}, {8, 6, 0, 3}}
+}
+
+func TestHeatmapChartKeyboard2D(t *testing.T) {
+	h := &chartHarness{build: func(c *ui.Context) ChartResult {
+		return HeatmapChart(c, heatRows, heatCols, heatValues(), HeatmapChartOptions{Frame: ChartFrame{Label: "Hours"}})
+	}}
+	tt := ui.NewTester(h.view, 520, 420)
+	tabTo(t, tt, "Hours")
+	tt.Key(0, ui.KeyRight) // enters at the first cell
+	tt.Key(0, ui.KeyRight)
+	tt.Key(0, ui.KeyDown)
+	if got := chartReadout(tt); got != "Tue · Lauds · no value" {
+		t.Fatalf("readout %q", got)
+	}
+	tt.Key(0, ui.KeyDown)
+	tt.Key(0, ui.KeyDown)
+	tt.Key(0, ui.KeyEnd)
+	if got := chartReadout(tt); got != "Wed · Compline · 3" {
+		t.Fatalf("End %q", got)
+	}
+}
+
+func TestHeatmapChartHover(t *testing.T) {
+	h := &chartHarness{build: func(c *ui.Context) ChartResult {
+		return HeatmapChart(c, heatRows, heatCols, heatValues(), HeatmapChartOptions{Frame: ChartFrame{Label: "Hours"}})
+	}}
+	tt := ui.NewTester(h.view, 520, 420)
+	b := h.res.Element.Bounds()
+	plotW := b.W - 72 - 64
+	tt.Move(b.X+72+plotW*0.6, b.Y+4+212*0.2) // third column, first row
+	if got := chartReadout(tt); got != "Mon · Vespers · 9" {
+		t.Fatalf("hover %q", got)
+	}
+}
+
+func TestHeatmapChartBad(t *testing.T) {
+	defer func() {
+		if recover() == nil {
+			t.Fatal("no panic for a short row")
+		}
+	}()
+	ui.NewTester(func(c *ui.Context) {
+		Use(c, Settings{})
+		HeatmapChart(c, heatRows[:1], heatCols, [][]float64{{1}}, HeatmapChartOptions{Frame: ChartFrame{Label: "x"}})
+	}, 300, 300)
+}
+
+func TestHeatmapChartSnapshot(t *testing.T) {
+	snapshot(t, "heatmap_chart", 520, 300, func(c *ui.Context) {
+		ui.Column(c).Padding(16).Children(func() {
+			HeatmapChart(c, heatRows, heatCols, heatValues(), HeatmapChartOptions{Frame: ChartFrame{Label: "Hours", Height: 220}})
+		})
+	})
+}