Function TestLongSingleLinePasteChipsByCharCount

internal/tui/prompt_test.go:457–468

TestLongSingleLinePasteChipsByCharCount: a long single-line blob (zero newlines) still collapses: char threshold catches minified JSON and one-line stack traces that line-count alone would miss.

(t *testing.T)

// newlines) still collapses: char threshold catches minified JSON and
// one-line stack traces that line-count alone would miss.
func TestLongSingleLinePasteChipsByCharCount(t *testing.T) {
	p := newChippablePrompt()
	big := strings.Repeat("x", 500)
	p, _ = p.Update(tea.KeyMsg{Type: tea.KeyRunes, Runes: []rune(big), Paste: true})
	if len(p.spans) != 1 {
		t.Fatalf("long single-line paste should chip by char threshold; spans=%+v", p.spans)
	}
	wantLabel := "[Pasted text +1 lines]"
	if got := p.DisplayValue(); got != wantLabel {
		t.Fatalf("DisplayValue = %q, want %q", got, wantLabel)
	}
}

// TestBackspaceImmediatelyAfterChipRemovesIt: atomic-delete regression guard,
// after a paste the cursor sits at chip.end, so one Backspace deletes the chip