const { FixedThreadPool, PoolEvents } = require('../../../lib')
const { TaskFunctions } = require('../../test-types')
const { waitPoolEvents, waitWorkerEvents } = require('../../test-utils')
+const { DEFAULT_TASK_NAME } = require('../../../lib/utils')
describe('Fixed thread pool test suite', () => {
const numberOfThreads = 6
)
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(workerNode.usage.tasks.maxQueued).toBe(
maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency
)
+ expect(workerNode.usage.tasks.stolen).toBe(0)
}
+ expect(queuePool.info.executedTasks).toBe(0)
expect(queuePool.info.executingTasks).toBe(
numberOfThreads * queuePool.opts.tasksQueueOptions.concurrency
)
(maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency)
)
expect(queuePool.info.backPressure).toBe(false)
+ expect(queuePool.info.stolenTasks).toBe(0)
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(
+ numberOfThreads * maxMultiplier
+ )
expect(workerNode.usage.tasks.executed).toBe(maxMultiplier)
expect(workerNode.usage.tasks.queued).toBe(0)
expect(workerNode.usage.tasks.maxQueued).toBe(
maxMultiplier - queuePool.opts.tasksQueueOptions.concurrency
)
+ expect(workerNode.usage.tasks.stolen).toBeGreaterThanOrEqual(0)
+ expect(workerNode.usage.tasks.stolen).toBeLessThanOrEqual(
+ numberOfThreads * maxMultiplier
+ )
}
+ expect(queuePool.info.executedTasks).toBe(numberOfThreads * maxMultiplier)
+ expect(queuePool.info.backPressure).toBe(false)
+ expect(queuePool.info.stolenTasks).toBeGreaterThanOrEqual(0)
+ expect(queuePool.info.stolenTasks).toBeLessThanOrEqual(
+ numberOfThreads * maxMultiplier
+ )
})
it('Verify that is possible to have a worker that return undefined', async () => {
expect(typeof inError.message === 'string').toBe(true)
expect(inError.message).toBe('Error Message from ThreadWorker')
expect(taskError).toStrictEqual({
- name: 'default',
+ name: DEFAULT_TASK_NAME,
message: new Error('Error Message from ThreadWorker'),
data
})
expect(typeof inError.message === 'string').toBe(true)
expect(inError.message).toBe('Error Message from ThreadWorker:async')
expect(taskError).toStrictEqual({
- name: 'default',
+ name: DEFAULT_TASK_NAME,
message: new Error('Error Message from ThreadWorker:async'),
data
})