numberOfThreads,
'./tests/worker-files/thread/testWorker.js',
{
- errorHandler: e => console.error(e)
+ errorHandler: (e) => console.error(e)
}
)
const queuePool = new FixedThreadPool(
tasksQueueOptions: {
concurrency: tasksConcurrency
},
- errorHandler: e => console.error(e)
+ errorHandler: (e) => console.error(e)
}
)
const emptyPool = new FixedThreadPool(
numberOfThreads,
'./tests/worker-files/thread/errorWorker.js',
{
- errorHandler: e => console.error(e)
+ errorHandler: (e) => console.error(e)
}
)
const asyncErrorPool = new FixedThreadPool(
numberOfThreads,
'./tests/worker-files/thread/asyncErrorWorker.js',
{
- errorHandler: e => console.error(e)
+ errorHandler: (e) => console.error(e)
}
)
const asyncPool = new FixedThreadPool(
numberOfThreads,
'./tests/worker-files/thread/testWorker.js',
{
- errorHandler: e => console.error(e)
+ errorHandler: (e) => console.error(e)
}
)
let poolReady = 0
pool1.emitter.on(PoolEvents.ready, () => ++poolReady)
- await waitPoolEvents(pool1, 'ready', 1)
+ await waitPoolEvents(pool1, PoolEvents.ready, 1)
expect(poolReady).toBe(1)
})
- it("Verify that 'busy' event is emitted", () => {
+ it("Verify that 'busy' event is emitted", async () => {
+ const promises = new Set()
let poolBusy = 0
pool.emitter.on(PoolEvents.busy, () => ++poolBusy)
for (let i = 0; i < numberOfThreads * 2; i++) {
- pool.execute()
+ promises.add(pool.execute())
}
+ await Promise.all(promises)
// The `busy` event is triggered when the number of submitted tasks at once reach the number of fixed pool workers.
// So in total numberOfThreads + 1 times for a loop submitting up to numberOfThreads * 2 tasks to the fixed pool.
expect(poolBusy).toBe(numberOfThreads + 1)
}
expect(promises.size).toBe(numberOfThreads * maxMultiplier)
for (const workerNode of queuePool.workerNodes) {
+ expect(workerNode.usage.tasks.executing).toBeGreaterThanOrEqual(0)
expect(workerNode.usage.tasks.executing).toBeLessThanOrEqual(
queuePool.opts.tasksQueueOptions.concurrency
)
numberOfThreads *
(maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency)
)
+ expect(queuePool.info.backPressure).toBe(false)
await Promise.all(promises)
for (const workerNode of queuePool.workerNodes) {
expect(workerNode.usage.tasks.executing).toBe(0)
expect(result).toStrictEqual(data)
})
+ it('Verify that transferable objects are sent to the worker correctly', async () => {
+ let error
+ let result
+ try {
+ result = await pool.execute(undefined, undefined, [
+ new ArrayBuffer(16),
+ new MessageChannel().port1
+ ])
+ } catch (e) {
+ error = e
+ }
+ expect(result).toStrictEqual({ ok: 1 })
+ expect(error).toBeUndefined()
+ try {
+ result = await pool.execute(undefined, undefined, [
+ new SharedArrayBuffer(16)
+ ])
+ } catch (e) {
+ error = e
+ }
+ expect(result).toStrictEqual({ ok: 1 })
+ expect(error).toStrictEqual(
+ new TypeError('Found invalid object in transferList')
+ )
+ })
+
it('Verify that error handling is working properly:sync', async () => {
const data = { f: 10 }
let taskError
- errorPool.emitter.on(PoolEvents.taskError, e => {
+ errorPool.emitter.on(PoolEvents.taskError, (e) => {
taskError = e
})
let inError
})
expect(
errorPool.workerNodes.some(
- workerNode => workerNode.usage.tasks.failed === 1
+ (workerNode) => workerNode.usage.tasks.failed === 1
)
).toBe(true)
})
it('Verify that error handling is working properly:async', async () => {
const data = { f: 10 }
let taskError
- asyncErrorPool.emitter.on(PoolEvents.taskError, e => {
+ asyncErrorPool.emitter.on(PoolEvents.taskError, (e) => {
taskError = e
})
let inError
})
expect(
asyncErrorPool.workerNodes.some(
- workerNode => workerNode.usage.tasks.failed === 1
+ (workerNode) => workerNode.usage.tasks.failed === 1
)
).toBe(true)
})
it('Shutdown test', async () => {
const exitPromise = waitWorkerEvents(pool, 'exit', numberOfThreads)
+ let poolDestroy = 0
+ pool.emitter.on(PoolEvents.destroy, () => ++poolDestroy)
await pool.destroy()
const numberOfExitEvents = await exitPromise
expect(numberOfExitEvents).toBe(numberOfThreads)
+ expect(poolDestroy).toBe(1)
})
it('Verify that thread pool options are checked', async () => {