Tianyi Cui
1709b8cfee
A direct runtime import of the session package made the unbuilt worker depend on sibling lib output. Use a parity-tested local JSON snapshotter and pin the isolated source closure with a real-worker test.
37 lines
1.3 KiB
TypeScript
37 lines
1.3 KiB
TypeScript
import { copyFile, mkdtemp, rm } from 'node:fs/promises'
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import { tmpdir } from 'node:os'
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import { join } from 'node:path'
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import { Worker } from 'node:worker_threads'
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import { expect, it } from 'vitest'
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/**
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* Prove the unbuilt worker is a self-contained source closure. Copying it out
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* of the workspace makes any package runtime import fail even when local
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* `lib/` artifacts happen to exist.
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*/
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it('boots the source worker without workspace package outputs', async () => {
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const directory = await mkdtemp(join(tmpdir(), 'dsh-code-source-worker-'))
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let worker: Worker | undefined
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try {
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const files = ['worker.ts', 'bootstrap.ts', 'protocol.ts', 'worker-json.ts']
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await Promise.all(files.map(async (file) => {
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await copyFile(new URL(`../src/${file}`, import.meta.url), join(directory, file))
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}))
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worker = new Worker(join(directory, 'worker.ts'), {
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workerData: { code: 'return { answer: 42 }', namespaces: [], maxOutputBytes: 65_536 },
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env: {},
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execArgv: [],
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})
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const message = await new Promise<unknown>((resolve, reject) => {
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worker?.once('message', resolve)
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worker?.once('error', reject)
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})
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expect(message).toEqual({ type: 'done', value: { answer: 42 } })
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} finally {
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if (worker) await worker.terminate()
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await rm(directory, { recursive: true, force: true })
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}
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})
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