| 1 | import { describe, expect, it } from 'vitest' |
| 2 | import { selectPreviewWindowIds } from '../../../src/renderer/src/components/session-detail/hooks/preview-window-utils' |
| 3 | |
| 4 | describe('selectPreviewWindowIds', () => { |
| 5 | it('keeps only the nearest previews within the hard limit', () => { |
| 6 | const result = selectPreviewWindowIds( |
| 7 | [ |
| 8 | { id: 'page-4', distance: 400 }, |
| 9 | { id: 'page-2', distance: 20 }, |
| 10 | { id: 'page-1', distance: 10 }, |
| 11 | { id: 'page-3', distance: 30 } |
| 12 | ], |
| 13 | 3 |
| 14 | ) |
| 15 | |
| 16 | expect(Array.from(result)).toEqual(['page-1', 'page-2', 'page-3']) |
| 17 | }) |
| 18 | |
| 19 | it('drops invalid candidates', () => { |
| 20 | expect( |
| 21 | Array.from( |
| 22 | selectPreviewWindowIds( |
| 23 | [ |
| 24 | { id: 'page-1', distance: Number.NaN }, |
| 25 | { id: '', distance: 0 }, |
| 26 | { id: 'page-2', distance: 1 } |
| 27 | ], |
| 28 | 2 |
| 29 | ) |
| 30 | ) |
| 31 | ).toEqual(['page-2']) |
| 32 | }) |
| 33 | |
| 34 | it('supports closing the preview window completely', () => { |
| 35 | expect(Array.from(selectPreviewWindowIds([{ id: 'page-1', distance: 0 }], 0))).toEqual([]) |
| 36 | }) |
| 37 | }) |
| 38 |