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 < numberOfWorkers * 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 numberOfWorkers + 1 times for a loop submitting up to numberOfWorkers * 2 tasks to the fixed pool.
expect(poolBusy).toBe(numberOfWorkers + 1)
numberOfWorkers *
(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(workerNode.usage.tasks.executing).toBeGreaterThanOrEqual(0)
+ expect(workerNode.usage.tasks.executing).toBeLessThanOrEqual(
+ numberOfWorkers * maxMultiplier
+ )
expect(workerNode.usage.tasks.executed).toBe(maxMultiplier)
expect(workerNode.usage.tasks.queued).toBe(0)
expect(workerNode.usage.tasks.maxQueued).toBe(