Function TestHistoryUpDownReplayLastSubmission

internal/tui/tui_test.go:491–520

TestHistoryUpDownReplayLastSubmission: ↑ on first-line replaces textarea with the most recent submitted line; ↓ steps back toward the draft.

(t *testing.T)

// TestHistoryUpDownReplayLastSubmission: ↑ on first-line replaces textarea
// with the most recent submitted line; ↓ steps back toward the draft.
func TestHistoryUpDownReplayLastSubmission(t *testing.T) {
	m := newTestModel(t, func(http.ResponseWriter, *http.Request) {})
	m.promptHistory = []promptEntry{{display: "first question"}, {display: "second question"}}
	m.histIdx = -1

	mm, _ := m.Update(tea.KeyMsg{Type: tea.KeyUp})
	if got := mm.(Model).ta.Value(); got != "second question" {
		t.Fatalf("↑ should replay newest, got %q", got)
	}
	mm2, _ := mm.(Model).Update(tea.KeyMsg{Type: tea.KeyUp})
	if got := mm2.(Model).ta.Value(); got != "first question" {
		t.Fatalf("↑↑ should replay oldest, got %q", got)
	}
	mm3, _ := mm2.(Model).Update(tea.KeyMsg{Type: tea.KeyUp})
	if got := mm3.(Model).ta.Value(); got != "first question" {
		t.Fatalf("↑ past oldest should stay, got %q", got)
	}
	mm4, _ := mm3.(Model).Update(tea.KeyMsg{Type: tea.KeyDown})
	if got := mm4.(Model).ta.Value(); got != "second question" {
		t.Fatalf("↓ should move toward draft, got %q", got)
	}
	mm5, _ := mm4.(Model).Update(tea.KeyMsg{Type: tea.KeyDown})
	if got := mm5.(Model).ta.Value(); got != "" {
		t.Fatalf("↓ past newest should restore empty draft, got %q", got)
	}
	mm6, _ := mm5.(Model).Update(tea.KeyMsg{Type: tea.KeyDown})
	if got := mm6.(Model).ta.Value(); got != "" {
		t.Fatalf("↓ at draft should be a no-op, got %q", got)
	}
}

// TestHistoryDownRestoresUnsentDraft: an unsent draft survives a ↑ into history
// and is restored when ↓ walks back to the live line.