Function TestFocusBlurMsgsAreInert

internal/tui/tui_test.go:2844–2870

TestFocusBlurMsgsAreInert: terminal focus reports arrive as tea.FocusMsg / tea.BlurMsg under tea.WithReportFocus. They must never touch the textarea (no inserted chars, no height change), else the UI slides up when another window steals focus.

(t *testing.T)

		t.Fatalf("splash should recommend a sandbox: %s", joined)
	}
	// A second size message must not re-emit the splash. Clear the captured
	// outbox first, since production drains it but we called update() directly.
	om.outbox = nil
	out2, _ := om.update(tea.WindowSizeMsg{Width: 80, Height: 24})
	om2 := out2.(Model)
	if joined2 := strings.Join(om2.outbox, "\n"); strings.Contains(joined2, "hamr time") {
		t.Fatalf("splash must be a one-shot, got re-emit: %s", joined2)
	}
}

// TestStreamingShownInLiveView: the streaming buffer is rendered above
// the prompt by View() while content is in flight, so the user sees
// tokens immediately even before the block flushes to scrollback.
func TestStreamingShownInLiveView(t *testing.T) {
	m := newTestModel(t, func(http.ResponseWriter, *http.Request) {})
	m.streaming.WriteString("live tokens arriving...")
	if !strings.Contains(stripANSI(m.View()), "live tokens arriving") {
		t.Fatalf("View must include streaming buffer: %s", stripANSI(m.View()))
	}
}

// TestFocusBlurMsgsAreInert: terminal focus reports arrive as tea.FocusMsg /
// tea.BlurMsg under tea.WithReportFocus. They must never touch the textarea (no
// inserted chars, no height change), else the UI slides up when another window
// steals focus.
func TestFocusBlurMsgsAreInert(t *testing.T) {
	m := newTestModel(t, func(http.ResponseWriter, *http.Request) {})
	beforeVal := m.ta.Value()
	beforeHeight := m.ta.Height()