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@@ -196,6 +196,37 @@ describe('HMR exact config paths', () => {
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expect(calls).toBe(2)
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})
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+ it('observes consecutive writes after the previous configuration was applied', async () => {
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+ const dir = mkdtempSync(join(tmpdir(), 'dsh-hmr-consecutive-'))
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+ hmrRoots.push(dir)
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+ const filename = join(dir, 'package.json')
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+ writeFileSync(filename, 'initial')
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+ const ctx = new Context()
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+ onTestFinished(() => ctx.fiber.dispose())
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+ let watcher!: FSWatcher
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+ const previousFactory = configWatch.create
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+ onTestFinished(() => { configWatch.create = previousFactory })
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+ configWatch.create = (options) => {
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+ watcher = new FSWatcher(options)
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+ // Use Chokidar's real normalization with deterministic event delivery.
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+ Reflect.set(watcher, '_readyEmitted', true)
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+ queueMicrotask(() => { watcher.emit('ready') })
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+ return watcher
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+ }
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+ const observed: string[] = []
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+ await watchConfig(ctx, filename, {}, async () => {
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+ const value = readFileSync(filename, 'utf8')
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+ observed.push(value)
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+ if (value === 'enabled') {
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+ writeFileSync(filename, 'disabled')
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+ await watcher._emit('change', filename)
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+ }
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+ })
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+ writeFileSync(filename, 'enabled')
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+ await watcher._emit('change', filename)
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+ await vi.waitFor(() => { expect(observed).toEqual(['enabled', 'disabled']) }, { timeout: 6_000 })
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+ }, 10_000)
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+
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it('rejects a patch path whose parent is a regular file', async () => {
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const dir = mkdtempSync(join(tmpdir(), 'dsh-patch-parent-'))
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hmrRoots.push(dir)
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Turtle