Split into category packages; module github.com/ZacharyZhang-NY/MujicaUI

devtools/uptime_bar_test.go

@@ -0,0 +1,129 @@
+package devtools
+
+import (
+	"math"
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+
+	"github.com/ZacharyZhang-NY/MujicaUI/chart"
+	"github.com/ZacharyZhang-NY/MujicaUI/core"
+	"github.com/ZacharyZhang-NY/MujicaUI/data"
+)
+
+func uptimeSample(n int) []UptimeDay {
+	days := make([]UptimeDay, n)
+	start := core.Date{Year: 2026, Month: 9, Day: 1}
+	for i := range days {
+		days[i] = UptimeDay{Date: start.AddDays(i), Uptime: 1}
+	}
+	days[3] = UptimeDay{Date: start.AddDays(3), Uptime: 0.9975, Note: "slow search"}
+	days[7] = UptimeDay{Date: start.AddDays(7), Uptime: 0.91, Note: "2 h outage"}
+	days[9].Uptime = math.NaN()
+	return days
+}
+
+func uptimeTester(days []UptimeDay, frame chart.ChartFrame, points *[]int) *ui.Tester {
+	if frame.Label == "" {
+		frame.Label = "API uptime"
+	}
+	return ui.NewTester(func(c *ui.Context) {
+		core.Use(c, core.Settings{})
+		ui.Column(c).Padding(10).Children(func() {
+			r := UptimeBar(c, days, UptimeBarOptions{Frame: frame})
+			*points = append(*points, r.Point)
+		})
+	}, 520, 140)
+}
+
+func TestUptimeBarKeyboardReadout(t *testing.T) {
+	var pts []int
+	tt := uptimeTester(uptimeSample(30), chart.ChartFrame{}, &pts)
+	tt.Key(0, ui.KeyTab)
+	tt.Key(0, ui.KeyRight)
+	for range 7 {
+		tt.Key(0, ui.KeyRight)
+	}
+	if !tt.HasText("2026-09-08 · Outage · 91.00% · 2 h outage") {
+		t.Fatalf("readout: %q", tt.Texts())
+	}
+	tt.Key(0, ui.KeyRight)
+	tt.Key(0, ui.KeyRight)
+	if !tt.HasText("2026-09-10 · No data") {
+		t.Fatalf("no data readout: %q", tt.Texts())
+	}
+}
+
+func TestUptimeBarHover(t *testing.T) {
+	var pts []int
+	tt := uptimeTester(uptimeSample(30), chart.ChartFrame{}, &pts)
+	// The 4th of 30 bars across 500 DIPs starting at x = 10.
+	tt.Move(10+500*3.5/30, 30)
+	if pts[len(pts)-1] != 3 || !tt.HasText("2026-09-04 · Degraded · 99.75% · slow search") {
+		t.Fatalf("hover point %d: %q", pts[len(pts)-1], tt.Texts())
+	}
+}
+
+func TestUptimeBarStatesAndRules(t *testing.T) {
+	var pts []int
+	tt := uptimeTester(nil, chart.ChartFrame{}, &pts)
+	if !tt.HasText("No data") {
+		t.Fatalf("empty: %q", tt.Texts())
+	}
+	tt = uptimeTester(uptimeSample(12), chart.ChartFrame{Status: data.DataLoading}, &pts)
+	if !tt.HasText("Loading") {
+		t.Fatalf("loading: %q", tt.Texts())
+	}
+	defer func() {
+		if recover() == nil {
+			t.Fatal("uptime above 1 did not panic")
+		}
+	}()
+	uptimeTester([]UptimeDay{{Uptime: 1.2}}, chart.ChartFrame{}, &pts)
+}
+
+func TestUptimeBarSnapshot(t *testing.T) {
+	snapshot(t, "uptime_bar", 520, 110, func(c *ui.Context) {
+		ui.Column(c).Padding(10).Children(func() {
+			UptimeBar(c, uptimeSample(45), UptimeBarOptions{Frame: chart.ChartFrame{Label: "API uptime"}})
+		})
+	})
+}
+
+func TestUptimeBarManyDaysBounded(t *testing.T) {
+	days := uptimeSample(100000)
+	var pts []int
+	tt := uptimeTester(days, chart.ChartFrame{}, &pts)
+	tt.Key(0, ui.KeyTab)
+	tt.Key(0, ui.KeyEnd)
+	if pts[len(pts)-1] != 99999 {
+		t.Fatal("end boundary")
+	}
+	for i := range 20 {
+		tt.Key(0, ui.KeyRight)
+		_ = i
+	}
+	if pts[len(pts)-1] != 99999 {
+		t.Fatal("right boundary")
+	}
+}
+
+func TestUptimeBarPixelBucketsPreserveOutages(t *testing.T) {
+	days := uptimeSample(100000)
+	var cache uptimeCache
+	cache.prepare(days, 500)
+	if len(cache.slots) > 500 || cache.slots[0].index != 7 {
+		t.Fatalf("%d buckets, first worst %d", len(cache.slots), cache.slots[0].index)
+	}
+	cache.prepare(days, 1000)
+	if len(cache.slots) > 1000 || cache.slots[len(cache.slots)-1].last != 99999 {
+		t.Fatal("resized buckets")
+	}
+	for _, n := range []int{1, 3, 12} {
+		cache.width = -1
+		cache.prepare(days[:n], 500)
+		if len(cache.slots) != n {
+			t.Fatalf("%d days rendered as %d buckets", n, len(cache.slots))
+		}
+	}
+}