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 busy = 0
- pool.emitter.on('busy', () => busy++)
+ 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).toBeLessThanOrEqual(max)
expect(pool.workers.length).toBeGreaterThan(min)
- expect(busy > 1).toBeTruthy()
+ expect(poolBusy).toBe(max + 1)
const numberOfExitEvents = await TestUtils.waitExits(pool, max - min)
expect(numberOfExitEvents).toBe(max - min)
})
'./tests/worker-files/cluster/testWorker.js'
)
const result = await pool1.execute({ test: 'test' })
+ expect(result).toBeDefined()
expect(result).toBeFalsy()
// We need to clean up the resources after our test
await pool1.destroy()
const longRunningPool = new DynamicClusterPool(
min,
max,
- './tests/worker-files/cluster/longRunningWorkerHardBehavior.js'
+ './tests/worker-files/cluster/longRunningWorkerHardBehavior.js',
+ {
+ errorHandler: e => console.error(e),
+ onlineHandler: () => console.log('long running worker is online'),
+ exitHandler: () => console.log('long running worker exited')
+ }
)
expect(longRunningPool.workers.length).toBe(min)
for (let i = 0; i < max * 10; i++) {
const longRunningPool = new DynamicClusterPool(
min,
max,
- './tests/worker-files/cluster/longRunningWorkerSoftBehavior.js'
+ './tests/worker-files/cluster/longRunningWorkerSoftBehavior.js',
+ {
+ errorHandler: e => console.error(e),
+ onlineHandler: () => console.log('long running worker is online'),
+ exitHandler: () => console.log('long running worker exited')
+ }
)
expect(longRunningPool.workers.length).toBe(min)
for (let i = 0; i < max * 10; i++) {