import {
DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS,
DEFAULT_TASK_NAME,
- DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS,
EMPTY_FUNCTION,
availableParallelism,
average,
+ buildWorkerChoiceStrategyOptions,
exponentialDelay,
+ getWorkerChoiceStrategyRetries,
getWorkerId,
getWorkerType,
isAsyncFunction,
max,
median,
min,
+ // once,
round,
secureRandom,
sleep
-} from '../lib/utils.js'
-import { KillBehaviors, WorkerTypes } from '../lib/index.js'
+} from '../lib/utils.cjs'
+import {
+ FixedClusterPool,
+ FixedThreadPool,
+ KillBehaviors,
+ WorkerTypes
+} from '../lib/index.cjs'
describe('Utils test suite', () => {
it('Verify DEFAULT_TASK_NAME value', () => {
expect(EMPTY_FUNCTION).toStrictEqual(expect.any(Function))
})
- it('Verify DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS values', () => {
- expect(DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS).toStrictEqual({
- retries: 6,
- runTime: { median: false },
- waitTime: { median: false },
- elu: { median: false }
- })
- })
-
it('Verify DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS values', () => {
expect(DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS).toStrictEqual({
aggregate: false,
it('Verify sleep() behavior', async () => {
const start = performance.now()
- await sleep(1000)
+ const sleepMs = 1000
+ await sleep(sleepMs)
const elapsed = performance.now() - start
- expect(elapsed).toBeGreaterThanOrEqual(999)
+ expect(elapsed).toBeGreaterThanOrEqual(sleepMs - 1)
})
it('Verify exponentialDelay() behavior', () => {
expect(max(2, 1)).toBe(2)
expect(max(1, 1)).toBe(1)
})
+
+ it('Verify getWorkerChoiceStrategyRetries() behavior', async () => {
+ const numberOfThreads = 4
+ const pool = new FixedThreadPool(
+ numberOfThreads,
+ './tests/worker-files/thread/testWorker.mjs'
+ )
+ expect(getWorkerChoiceStrategyRetries(pool)).toBe(pool.info.maxSize * 2)
+ const workerChoiceStrategyOptions = {
+ runTime: { median: true },
+ waitTime: { median: true },
+ elu: { median: true },
+ weights: {
+ 0: 100,
+ 1: 100
+ }
+ }
+ expect(
+ getWorkerChoiceStrategyRetries(pool, workerChoiceStrategyOptions)
+ ).toBe(
+ pool.info.maxSize +
+ Object.keys(workerChoiceStrategyOptions.weights).length
+ )
+ await pool.destroy()
+ })
+
+ it('Verify buildWorkerChoiceStrategyOptions() behavior', async () => {
+ const numberOfWorkers = 4
+ const pool = new FixedClusterPool(
+ numberOfWorkers,
+ './tests/worker-files/cluster/testWorker.cjs'
+ )
+ expect(buildWorkerChoiceStrategyOptions(pool)).toStrictEqual({
+ runTime: { median: false },
+ waitTime: { median: false },
+ elu: { median: false },
+ weights: expect.objectContaining({
+ 0: expect.any(Number),
+ [pool.info.maxSize - 1]: expect.any(Number)
+ })
+ })
+ const workerChoiceStrategyOptions = {
+ runTime: { median: true },
+ waitTime: { median: true },
+ elu: { median: true },
+ weights: {
+ 0: 100,
+ 1: 100
+ }
+ }
+ expect(
+ buildWorkerChoiceStrategyOptions(pool, workerChoiceStrategyOptions)
+ ).toStrictEqual(workerChoiceStrategyOptions)
+ await pool.destroy()
+ })
+
+ // it('Verify once()', () => {
+ // let called = 0
+ // const fn = () => ++called
+ // const onceFn = once(fn, this)
+ // const result1 = onceFn()
+ // expect(called).toBe(1)
+ // expect(result1).toBe(1)
+ // const result2 = onceFn()
+ // expect(called).toBe(1)
+ // expect(result2).toBe(1)
+ // const result3 = onceFn()
+ // expect(called).toBe(1)
+ // expect(result3).toBe(1)
+ // })
})