| 1 | import { describe, expect, it } from 'vitest' |
| 2 | import { serializedWrite } from '../../../src/main/presentation/html/write-serialization' |
| 3 | |
| 4 | describe('serializedWrite', () => { |
| 5 | it('orders writes for one resource and releases the next write after a failure', async () => { |
| 6 | const events: string[] = [] |
| 7 | let releaseFirst: (() => void) | undefined |
| 8 | const firstGate = new Promise<void>((resolve) => { |
| 9 | releaseFirst = resolve |
| 10 | }) |
| 11 | |
| 12 | const first = serializedWrite('deck-a', async () => { |
| 13 | events.push('first:start') |
| 14 | await firstGate |
| 15 | events.push('first:fail') |
| 16 | throw new Error('expected') |
| 17 | }) |
| 18 | const second = serializedWrite('deck-a', async () => { |
| 19 | events.push('second:start') |
| 20 | return 'second:done' |
| 21 | }) |
| 22 | |
| 23 | await Promise.resolve() |
| 24 | expect(events).toEqual(['first:start']) |
| 25 | releaseFirst?.() |
| 26 | await expect(first).rejects.toThrow('expected') |
| 27 | await expect(second).resolves.toBe('second:done') |
| 28 | expect(events).toEqual(['first:start', 'first:fail', 'second:start']) |
| 29 | }) |
| 30 | |
| 31 | it('does not serialize different presentation resources', async () => { |
| 32 | const events: string[] = [] |
| 33 | await Promise.all([ |
| 34 | serializedWrite('deck-a', async () => events.push('a')), |
| 35 | serializedWrite('deck-b', async () => events.push('b')) |
| 36 | ]) |
| 37 | expect(events).toHaveLength(2) |
| 38 | }) |
| 39 | }) |
| 40 |