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test(windows): stabilize aliased HMR writes

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This commit is contained in:
Tianyi Cui
2026-08-09 14:58:54 +08:00
parent 3754c0d586
commit d950f60bdf
1 changed files with 7 additions and 5 deletions
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12
packages/boot/app-boot/tests/hmr-config.spec.ts
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@@ -26,21 +26,23 @@ async function eventually(test: () => boolean, message: string): Promise<void> {
}
describe('HMR exact config paths', () => {
it('observes module changes when its watch base is a filesystem alias', { timeout: 20_000 }, async () => {
it('observes module changes when its watch base is a filesystem alias', { timeout: 30_000 }, async () => {
const target = mkdtempSync(join(tmpdir(), 'dsh-hmr-module-canonical-'))
const alias = `${target}-alias`
const filename = join(alias, 'module.ts')
const aliasFilename = join(alias, 'module.ts')
symlinkSync(target, alias, process.platform === 'win32' ? 'junction' : 'dir')
writeFileSync(filename, 'export const generation = 0\n')
writeFileSync(aliasFilename, 'export const generation = 0\n')
const ctx = await bootHmr(alias, ['.'])
const expected = pathToFileURL(join(realpathSync(target), 'module.ts')).href
const filename = join(realpathSync(target), 'module.ts')
const expected = pathToFileURL(filename).href
const cacheHas = vi.spyOn(ctx.loader.internal!.loadCache, 'has').mockReturnValue(false)
const observed: string[] = []
ctx.on('hmr/change', (url) => { observed.push(url) })
try {
const deadline = Date.now() + 10_000
const deadline = Date.now() + 20_000
for (let generation = 1; !observed.includes(expected); generation += 1) {
if (Date.now() >= deadline) throw new Error('HMR did not observe a module change through the alias')
// The watch base, not the writer spelling, is the alias under test.
writeFileSync(filename, `export const generation = ${generation}\n`)
// Leave Chokidar's atomic-write window idle so one coalesced change can publish.
await new Promise(resolve => setTimeout(resolve, 250))