const { expect } = require('expect')
const {
- FixedClusterPool,
DynamicThreadPool,
+ FixedClusterPool,
FixedThreadPool,
+ PoolEvents,
WorkerChoiceStrategies
} = require('../../../lib/index')
await pool.destroy()
})
+ it("Verify that pool event emitter 'full' event can register a callback", async () => {
+ const pool = new DynamicThreadPool(
+ numberOfWorkers,
+ numberOfWorkers,
+ './tests/worker-files/thread/testWorker.js'
+ )
+ const promises = []
+ let poolFull = 0
+ pool.emitter.on(PoolEvents.full, () => ++poolFull)
+ for (let i = 0; i < numberOfWorkers * 2; i++) {
+ promises.push(pool.execute())
+ }
+ await Promise.all(promises)
+ // The `full` event is triggered when the number of submitted tasks at once reach the number of dynamic pool workers.
+ // So in total numberOfWorkers + 1 times for a loop submitting up to numberOfWorkers * 2 tasks to the dynamic pool.
+ expect(poolFull).toBe(numberOfWorkers + 1)
+ await pool.destroy()
+ })
+
it("Verify that pool event emitter 'busy' event can register a callback", async () => {
const pool = new FixedThreadPool(
numberOfWorkers,
)
const promises = []
let poolBusy = 0
- pool.emitter.on('busy', () => poolBusy++)
+ pool.emitter.on(PoolEvents.busy, () => ++poolBusy)
for (let i = 0; i < numberOfWorkers * 2; i++) {
promises.push(pool.execute())
}