Function TestTwoChipsTrackedIndependently

internal/tui/prompt_test.go:174–202

TestTwoChipsTrackedIndependently: two pastes make two chips; deleting the first leaves the second intact with its span shifted left.

(t *testing.T)

// TestTwoChipsTrackedIndependently: two pastes make two chips; deleting the
// first leaves the second intact with its span shifted left.
func TestTwoChipsTrackedIndependently(t *testing.T) {
	p := newChippablePrompt()
	p, _ = p.Update(pasteKey(makePaste(8)))
	p, _ = p.Update(tea.KeyMsg{Type: tea.KeyRunes, Runes: []rune(" mid ")})
	p, _ = p.Update(pasteKey(makePaste(15)))

	if len(p.spans) != 2 {
		t.Fatalf("expected 2 chips, got %d", len(p.spans))
	}
	if p.spans[0].start >= p.spans[1].start {
		t.Fatal("chip spans must be sorted left-to-right")
	}

	// Delete the first chip.
	p.setCursorRuneOffset(p.spans[0].end)
	p, _ = p.Update(tea.KeyMsg{Type: tea.KeyBackspace})

	if len(p.spans) != 1 {
		t.Fatalf("after deleting first chip, one should remain; got %d", len(p.spans))
	}
	// The remaining chip is the one with 15 lines.
	content, ok := p.store[p.spans[0].id]
	if !ok {
		t.Fatal("remaining span has no store entry")
	}
	if content.lines != 15 {
		t.Fatalf("remaining chip should be the 15-line one, got %d", content.lines)
	}
}

// TestDamagedLabelAmongIdenticalChipsDropsWholeGroup: two pastes with the same
// line count render identical labels. A word-delete at the boundary (Ctrl+W,