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

devtools/stat_card_test.go

@@ -0,0 +1,115 @@
+package devtools
+
+import (
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+
+	"github.com/ZacharyZhang-NY/MujicaUI/core"
+	"github.com/ZacharyZhang-NY/MujicaUI/data"
+)
+
+func TestStatCardValueChangeTrend(t *testing.T) {
+	opts := StatCardOptions{Label: "Requests", Change: 0.124, HasChange: true, Trend: []float64{3, 5, 4, 8, 9}}
+	tt := ui.NewTester(func(c *ui.Context) {
+		core.Use(c, core.Settings{})
+		StatCard(c, "12,480", opts)
+	}, 400, 200)
+	for _, s := range []string{"Requests", "12,480", "+12.4%"} {
+		if !tt.HasText(s) {
+			t.Fatalf("missing %q in %q", s, tt.Texts())
+		}
+	}
+	opts.Change = -0.05
+	tt.Frame()
+	if !tt.HasText("-5.0%") {
+		t.Fatalf("fall: %q", tt.Texts())
+	}
+	opts.HasChange = false
+	tt.Frame()
+	if tt.HasText("-5.0%") {
+		t.Fatal("change shown without HasChange")
+	}
+}
+
+func TestStatCardLoadingErrorSameSize(t *testing.T) {
+	status, retries := data.DataReady, 0
+	var h []float32
+	tt := ui.NewTester(func(c *ui.Context) {
+		core.Use(c, core.Settings{})
+		ui.Column(c).AlignItems(ui.Start).Children(func() {
+			r := StatCard(c, "42 ms", StatCardOptions{Label: "Latency", Status: status, Error: "timeout"})
+			h = append(h, r.Element.Bounds().H)
+			if r.Changed() {
+				retries++
+			}
+		})
+	}, 400, 300)
+	tt.Frame()
+	ready := h[len(h)-1]
+	status = data.DataLoading
+	tt.Frame()
+	tt.Frame()
+	if !tt.HasText("Loading") || h[len(h)-1] != ready {
+		t.Fatalf("loading: %q height %v vs %v", tt.Texts(), h[len(h)-1], ready)
+	}
+	status = data.DataFailed
+	tt.Frame()
+	tt.Frame()
+	if !tt.HasText("timeout") || h[len(h)-1] != ready {
+		t.Fatalf("failed: %q height %v vs %v", tt.Texts(), h[len(h)-1], ready)
+	}
+	_ = tt.Click("Retry")
+	if retries != 1 {
+		t.Fatalf("retries %d", retries)
+	}
+}
+
+func TestStatCardSnapshot(t *testing.T) {
+	snapshot(t, "stat_card", 720, 150, func(c *ui.Context) {
+		ui.Row(c).Padding(16).Gap(12).Children(func() {
+			StatCard(c, "12,480", StatCardOptions{Label: "Requests", Change: 0.124, HasChange: true, Trend: []float64{3, 5, 4, 8, 6, 9}})
+			StatCard(c, "182 ms", StatCardOptions{Label: "p95 latency", Change: 0.08, HasChange: true, LowerIsBetter: true, Trend: []float64{120, 140, 130, 182}})
+			StatCard(c, "", StatCardOptions{Label: "Errors", Status: data.DataFailed, Error: "Source unreachable"})
+		})
+	})
+}
+
+func TestStatCardDisabledRetryAndKeyboardTrend(t *testing.T) {
+	status := data.DataReady
+	disabled := false
+	retries := 0
+	tt := ui.NewTester(func(c *ui.Context) {
+		core.Use(c, core.Settings{})
+		ui.Column(c).Disabled(disabled).Children(func() {
+			if StatCard(c, "42", StatCardOptions{Label: "CPU", Trend: []float64{1, 4, 2}, Status: status, Error: "offline"}).Changed() {
+				retries++
+			}
+		})
+	}, 400, 200)
+	tt.Key(0, ui.KeyTab)
+	tt.Key(0, ui.KeyEnd)
+	announced := false
+	for _, value := range tt.Announcements() {
+		announced = announced || value == "2"
+	}
+	if !announced || !tt.HasText("2") {
+		t.Fatalf("trend boundary readout: %q", tt.Texts())
+	}
+	status, disabled = data.DataFailed, true
+	tt.Frame()
+	_ = tt.Click("Retry")
+	tt.Key(0, ui.KeyEnter)
+	if retries != 0 {
+		t.Fatal("disabled retry")
+	}
+}
+
+func TestStatCardTextScaleKeepsCardHeight(t *testing.T) {
+	tt := ui.NewTester(func(c *ui.Context) { core.Use(c, core.Settings{}); StatCard(c, "42", StatCardOptions{Label: "CPU"}) }, 600, 350)
+	tt.SetPreferences(ui.Preferences{TextScale: 2, ReduceMotion: true})
+	bounds, ok := tt.Find("CPU")
+	if !ok || bounds.H < 232 {
+		t.Fatalf("scaled card height %v", bounds.H)
+	}
+}