relative-base-worker.spec.ts

import fs from 'node:fs'
import path from 'node:path'
import { isBuild, page, testDir, untilUpdated } from '~utils'

test('normal', async () => {
  await untilUpdated(() => page.textContent('.pong'), 'pong', true)
  await untilUpdated(
    () => page.textContent('.mode'),
    process.env.NODE_ENV,
    true
  )
  await untilUpdated(
    () => page.textContent('.bundle-with-plugin'),
    'worker bundle with plugin success!',
    true
  )
})

test('TS output', async () => {
  await untilUpdated(() => page.textContent('.pong-ts-output'), 'pong', true)
})

test('inlined', async () => {
  await untilUpdated(() => page.textContent('.pong-inline'), 'pong', true)
})

test('shared worker', async () => {
  await untilUpdated(() => page.textContent('.tick-count'), 'pong', true)
})

test('worker emitted and import.meta.url in nested worker (serve)', async () => {
  await untilUpdated(
    () => page.textContent('.nested-worker'),
    'worker-nested-worker',
    true
  )
  await untilUpdated(
    () => page.textContent('.nested-worker-module'),
    'sub-worker',
    true
  )
  await untilUpdated(
    () => page.textContent('.nested-worker-constructor'),
    '"type":"constructor"',
    true
  )
})

describe.runIf(isBuild)('build', () => {
  // assert correct files
  test('inlined code generation', () => {
    const chunksDir = path.resolve(testDir, 'dist/relative-base/chunks')
    const files = fs.readdirSync(chunksDir)
    const index = files.find((f) => f.includes('main-module'))
    const content = fs.readFileSync(path.resolve(chunksDir, index), 'utf-8')
    const workerEntriesDir = path.resolve(
      testDir,
      'dist/relative-base/worker-entries'
    )
    const workerFiles = fs.readdirSync(workerEntriesDir)
    const worker = workerFiles.find((f) => f.includes('worker_entry.my-worker'))
    const workerContent = fs.readFileSync(
      path.resolve(workerEntriesDir, worker),
      'utf-8'
    )

    // worker should have all imports resolved and no exports
    expect(workerContent).not.toMatch(`import`)
    expect(workerContent).not.toMatch(`export`)
    // chunk
    expect(content).toMatch(`new Worker(""+new URL("../worker-entries/`)
    expect(content).toMatch(`new SharedWorker(""+new URL("../worker-entries/`)
    // inlined
    expect(content).toMatch(`(window.URL||window.webkitURL).createObjectURL`)
    expect(content).toMatch(`window.Blob`)
  })

  test('worker emitted and import.meta.url in nested worker (build)', async () => {
    await untilUpdated(
      () => page.textContent('.nested-worker-module'),
      '"type":"module"',
      true
    )
    await untilUpdated(
      () => page.textContent('.nested-worker-constructor'),
      '"type":"constructor"',
      true
    )
  })
})

test('module worker', async () => {
  await untilUpdated(
    () => page.textContent('.shared-worker-import-meta-url'),
    'A string',
    true
  )
})

test.runIf(isBuild)('classic worker', async () => {
  await untilUpdated(
    () => page.textContent('.classic-worker'),
    'A classic',
    true
  )
  await untilUpdated(
    () => page.textContent('.classic-shared-worker'),
    'A classic',
    true
  )
})

test.runIf(isBuild)('emit chunk', async () => {
  await untilUpdated(
    () => page.textContent('.emit-chunk-worker'),
    '["A string",{"type":"emit-chunk-sub-worker","data":"A string"},{"type":"module-and-worker:worker","data":"A string"},{"type":"module-and-worker:module","data":"module and worker"},{"type":"emit-chunk-sub-worker","data":{"module":"module and worker","msg1":"module1","msg2":"module2","msg3":"module3"}}]',
    true
  )
  await untilUpdated(
    () => page.textContent('.emit-chunk-dynamic-import-worker'),
    '"A string./"',
    true
  )
})

test('import.meta.glob in worker', async () => {
  await untilUpdated(
    () => page.textContent('.importMetaGlob-worker'),
    '["',
    true
  )
})

test('import.meta.glob with eager in worker', async () => {
  await untilUpdated(
    () => page.textContent('.importMetaGlobEager-worker'),
    '["',
    true
  )
})