Function TestSplashEmittedOnFirstSize

internal/tui/tui_test.go:2801–2827

TestSplashEmittedOnFirstSize: the splash prints once into scrollback on the first WindowSizeMsg, then scrolls up as content arrives. We verify the lines reach the outbox (drained via tea.Println by the Update wrapper in production).

(t *testing.T)

	rendered := stripANSI(mm.renderPopover())
	for line := range strings.SplitSeq(rendered, "\n") {
		if strings.HasPrefix(line, "▸ ") || strings.HasPrefix(line, "  /") {
			t.Fatalf("popover row must not carry a marker prefix: %q", line)
		}
	}
}

// TestPopoverSelectionStaysVisible: with more than popoverCap suggestions the
// popover renders a window; when the selection moves past it, renderPopover must
// scroll so the highlighted row stays shown, else Enter commits an unseen row.
func TestPopoverSelectionStaysVisible(t *testing.T) {
	m := Model{width: 80, suggestOpen: true}
	for i := 0; i < popoverCap+4; i++ {
		m.suggest = append(m.suggest, argOption{value: fmt.Sprintf("profile%d", i)})
	}
	m.suggestIdx = len(m.suggest) - 1 // last row, well past the first window
	rendered := stripANSI(m.renderPopover())
	if !strings.Contains(rendered, m.suggest[m.suggestIdx].value) {
		t.Fatalf("selected row %q not visible in popover:\n%s",
			m.suggest[m.suggestIdx].value, rendered)
	}
}

// TestSplashEmittedOnFirstSize: the splash prints once into scrollback on the
// first WindowSizeMsg, then scrolls up as content arrives. We verify the lines
// reach the outbox (drained via tea.Println by the Update wrapper in production).
func TestSplashEmittedOnFirstSize(t *testing.T) {
	cfg, _, _ := config.Bootstrap(t.TempDir())
	m := New(cfg, llm.New("http://x", cfg.ActiveProfile().LLM, ""), t.TempDir(), "test")
	out, _ := m.update(tea.WindowSizeMsg{Width: 100, Height: 30})
	om := out.(Model)