Initial patterm project

internal/app/layout_test.go

@@ -0,0 +1,58 @@
+package app
+
+import (
+	"testing"
+
+	"github.com/harrybrwn/patterm/internal/preset"
+)
+
+func TestTerminalLayoutWideUsesMainViewport(t *testing.T) {
+	l := newTerminalLayout(120, 40)
+	if !l.sidebarVisible {
+		t.Fatal("wide layout should show sidebar")
+	}
+	if l.childCols() != 92 {
+		t.Fatalf("child cols: got %d want 92", l.childCols())
+	}
+	if l.childRows() != 38 {
+		t.Fatalf("child rows: got %d want 38", l.childRows())
+	}
+	if l.mainTop != 2 || l.statusRow != 40 {
+		t.Fatalf("unexpected vertical chrome: mainTop=%d statusRow=%d", l.mainTop, l.statusRow)
+	}
+}
+
+func TestTerminalLayoutNarrowHidesSidebar(t *testing.T) {
+	l := newTerminalLayout(38, 12)
+	if l.sidebarVisible {
+		t.Fatal("narrow layout should hide sidebar")
+	}
+	if l.childCols() != 38 {
+		t.Fatalf("child cols: got %d want 38", l.childCols())
+	}
+	if l.childRows() != 10 {
+		t.Fatalf("child rows: got %d want 10", l.childRows())
+	}
+}
+
+func TestTerminalLayoutTinyClampsChildSize(t *testing.T) {
+	l := newTerminalLayout(0, 1)
+	if l.childCols() != 1 || l.childRows() != 1 {
+		t.Fatalf("child size: got %dx%d want 1x1", l.childCols(), l.childRows())
+	}
+}
+
+func TestSpawnSizingUsesViewportDimensions(t *testing.T) {
+	l := newTerminalLayout(120, 40)
+	launcher := NewLauncher(nil, "", l.childCols(), l.childRows())
+	cols, rows := launcher.size()
+	if cols != 92 || rows != 38 {
+		t.Fatalf("launcher size: got %dx%d want 92x38", cols, rows)
+	}
+
+	host := newToolHost(nil, nil, nil, preset.Set{}, nil, l.childCols(), l.childRows())
+	cols, rows = host.size()
+	if cols != 92 || rows != 38 {
+		t.Fatalf("tool host size: got %dx%d want 92x38", cols, rows)
+	}
+}