Change style package, new components, ...

Signed-off-by: Hadi <112569860+anotherhadi@users.noreply.github.com>

drawer/render_test.go

@@ -0,0 +1,68 @@
+package drawer
+
+import (
+	"strings"
+	"testing"
+
+	"charm.land/lipgloss/v2"
+)
+
+func background(w, h int) string {
+	return blank(w, h)
+}
+
+func TestRenderLeftFlushToLeftEdge(t *testing.T) {
+	m := New(WithMaxWidth(10))
+	m, _ = m.Update(ShowMsg{Drawer: newDrawer("Nav", Text("hi"), WithSide(Left))})
+
+	out := m.Render(background(40, 10))
+	lines := strings.Split(out, "\n")
+	if len(lines) != 10 {
+		t.Fatalf("expected 10 lines, got %d", len(lines))
+	}
+	if lipgloss.Width(out) == 0 {
+		t.Fatalf("expected non-empty render")
+	}
+
+	if len([]rune(lines[0])) == 0 {
+		t.Fatalf("expected a rendered top border line")
+	}
+}
+
+func TestRenderRightFlushToRightEdge(t *testing.T) {
+	m := New(WithMaxWidth(10))
+	m, _ = m.Update(ShowMsg{Drawer: newDrawer("Inspector", Text("hi"), WithSide(Right))})
+
+	out := m.Render(background(40, 10))
+	if lipgloss.Width(out) != 40 {
+		t.Fatalf("expected full background width 40, got %d", lipgloss.Width(out))
+	}
+}
+
+func TestSpansFullBackgroundHeight(t *testing.T) {
+	m := New()
+	m, _ = m.Update(ShowMsg{Drawer: newDrawer("Nav", Text("hi"))})
+
+	out := m.Render(background(40, 12))
+	if lipgloss.Height(out) != 12 {
+		t.Fatalf("expected full height 12, got %d", lipgloss.Height(out))
+	}
+}
+
+func TestFixedWidthHonored(t *testing.T) {
+	m := New(WithMaxWidth(50))
+	m, _ = m.Update(ShowMsg{Drawer: newDrawer("Nav", Text("x"), WithWidth(20))})
+
+	box := m.renderBox(m.drawers[0], m.styles, 80, 10)
+	if got := lipgloss.Width(box); got != 20 {
+		t.Fatalf("expected fixed box width 20, got %d", got)
+	}
+}
+
+func TestNoDrawersReturnsBackgroundUnchanged(t *testing.T) {
+	m := New()
+	bg := background(10, 5)
+	if got := m.Render(bg); got != bg {
+		t.Fatalf("expected background unchanged when no drawer is open")
+	}
+}