Commit: Initial Update

internal/ui/sixel/sixel_test.go

@@ -0,0 +1,70 @@
+package sixel_test
+
+import (
+	"testing"
+
+	"github.com/gdamore/tcell/v2"
+	"github.com/nebara/nebara-os/internal/ui/sixel"
+)
+
+func TestNewLogoRenderer(t *testing.T) {
+	r, err := sixel.NewLogoRenderer()
+	if err != nil {
+		t.Fatalf("NewLogoRenderer failed: %v", err)
+	}
+
+	if r.SixelDataLength() == 0 {
+		t.Error("SIXEL data should not be empty")
+	}
+
+	if r.CellCols() != sixel.DefaultLogoCellWidth {
+		t.Errorf("expected CellCols %d, got %d", sixel.DefaultLogoCellWidth, r.CellCols())
+	}
+
+	if r.CellRows() != sixel.DefaultLogoCellHeight {
+		t.Errorf("expected CellRows %d, got %d", sixel.DefaultLogoCellHeight, r.CellRows())
+	}
+
+	if !r.IsEnabled() {
+		t.Error("Renderer should be enabled by default")
+	}
+}
+
+func TestToggleEnabled(t *testing.T) {
+	r, err := sixel.NewLogoRenderer()
+	if err != nil {
+		t.Fatalf("NewLogoRenderer failed: %v", err)
+	}
+
+	r.SetEnabled(false)
+	if r.IsEnabled() {
+		t.Error("Renderer should be disabled")
+	}
+
+	r.SetEnabled(true)
+	if !r.IsEnabled() {
+		t.Error("Renderer should be re-enabled")
+	}
+}
+
+func TestDraw_SimulationScreenLock(t *testing.T) {
+	r, err := sixel.NewLogoRenderer()
+	if err != nil {
+		t.Fatalf("NewLogoRenderer failed: %v", err)
+	}
+
+	sim := tcell.NewSimulationScreen("")
+	if err := sim.Init(); err != nil {
+		t.Fatalf("simScreen init failed: %v", err)
+	}
+	defer sim.Fini()
+
+	sim.SetSize(120, 40)
+
+	// In test environment, emitSixel may fail if CONOUT$ or /dev/tty is unavailable in CI/headless,
+	// but LockRegion must be executed on the screen.
+	_ = r.Draw(sim, 4, 1)
+
+	// Invalidate and verify
+	r.Invalidate()
+}