it('Verify that new workers are created when required, max size is not exceeded and that after a while new workers will die', async () => {
const promises = []
- let fullPool = 0
- pool.emitter.on('FullPool', () => fullPool++)
+ let poolBusy = 0
+ pool.emitter.on('busy', () => poolBusy++)
for (let i = 0; i < max * 2; i++) {
promises.push(pool.execute({ test: 'test' }))
}
expect(pool.workers.length).toBe(max)
- expect(fullPool > 1).toBeTruthy()
+ // The `busy` event is triggered when the number of submitted tasks at once reach the max number of workers in the dynamic pool.
+ // So in total numberOfWorkers + 1 times for a loop submitting up to numberOfWorkers * 2 tasks to the dynamic pool.
+ expect(poolBusy).toBe(max + 1)
const res = await TestUtils.waitExits(pool, max - min)
expect(res).toBe(max - min)
})
'./tests/worker-files/thread/testWorker.js'
)
const res = await pool1.execute({ test: 'test' })
+ expect(res).toBeDefined()
expect(res).toBeFalsy()
// We need to clean up the resources after our test
await pool1.destroy()
'./tests/worker-files/thread/longRunningWorkerHardBehavior.js',
{
errorHandler: e => console.error(e),
- onlineHandler: () => console.log('worker is online')
+ onlineHandler: () => console.log('long running worker is online'),
+ exitHandler: () => console.log('long running worker exited')
}
)
expect(longRunningPool.workers.length).toBe(min)
'./tests/worker-files/thread/longRunningWorkerSoftBehavior.js',
{
errorHandler: e => console.error(e),
- onlineHandler: () => console.log('worker is online')
+ onlineHandler: () => console.log('long running worker is online'),
+ exitHandler: () => console.log('long running worker exited')
}
)
expect(longRunningPool.workers.length).toBe(min)