Commit: Initial Update

internal/app/application_test.go

@@ -0,0 +1,95 @@
+package app_test
+
+import (
+	"testing"
+	"time"
+
+	"github.com/gdamore/tcell/v2"
+	"github.com/nebara/nebara-os/internal/app"
+	"github.com/nebara/nebara-os/internal/mock"
+)
+
+func TestApplication_FullLifecycleSimulation(t *testing.T) {
+	simScreen := tcell.NewSimulationScreen("")
+	if err := simScreen.Init(); err != nil {
+		t.Fatalf("simScreen init: %v", err)
+	}
+
+	simScreen.SetSize(120, 40)
+
+	state := app.NewStateFromMock(mock.WarningState())
+	state.EnableSixel = true
+
+	application := app.NewApplication(state)
+	application.SetScreen(simScreen)
+
+	done := make(chan error, 1)
+	go func() {
+		done <- application.Run()
+	}()
+
+	// Allow initial frame to draw
+	time.Sleep(100 * time.Millisecond)
+
+	// 1. Test navigation (Down, Up)
+	simScreen.InjectKey(tcell.KeyDown, 0, tcell.ModNone)
+	time.Sleep(50 * time.Millisecond)
+	simScreen.InjectKey(tcell.KeyUp, 0, tcell.ModNone)
+	time.Sleep(50 * time.Millisecond)
+
+	// 2. Test F1 Help Modal open and close
+	simScreen.InjectKey(tcell.KeyF1, 0, tcell.ModNone)
+	time.Sleep(50 * time.Millisecond)
+	simScreen.InjectKey(tcell.KeyEscape, 0, tcell.ModNone)
+	time.Sleep(50 * time.Millisecond)
+
+	// 3. Test terminal resize (compact size and back)
+	simScreen.SetSize(90, 28)
+	time.Sleep(50 * time.Millisecond)
+	simScreen.SetSize(120, 40)
+	time.Sleep(50 * time.Millisecond)
+
+	// 4. Test normal exit (Ctrl+C)
+	simScreen.InjectKey(tcell.KeyCtrlC, 'c', tcell.ModCtrl)
+
+	select {
+	case err := <-done:
+		if err != nil {
+			t.Errorf("application run error: %v", err)
+		}
+	case <-time.After(2 * time.Second):
+		t.Fatal("application failed to terminate cleanly (possible deadlock)")
+	}
+}
+
+func TestApplication_TextFallbackLifecycle(t *testing.T) {
+	simScreen := tcell.NewSimulationScreen("")
+	if err := simScreen.Init(); err != nil {
+		t.Fatalf("simScreen init: %v", err)
+	}
+
+	simScreen.SetSize(120, 40)
+
+	state := app.NewStateFromMock(mock.NormalState())
+	state.EnableSixel = false // SIXEL disabled
+
+	application := app.NewApplication(state)
+	application.SetScreen(simScreen)
+
+	done := make(chan error, 1)
+	go func() {
+		done <- application.Run()
+	}()
+
+	time.Sleep(100 * time.Millisecond)
+	simScreen.InjectKey(tcell.KeyCtrlC, 'c', tcell.ModCtrl)
+
+	select {
+	case err := <-done:
+		if err != nil {
+			t.Errorf("application run error: %v", err)
+		}
+	case <-time.After(2 * time.Second):
+		t.Fatal("application failed to terminate cleanly")
+	}
+}