| 1 | import cluster, { Worker as ClusterWorker } from 'node:cluster' |
| 2 | import { Worker as ThreadWorker } from 'node:worker_threads' |
| 3 | |
| 4 | import { expect } from 'expect' |
| 5 | |
| 6 | import { CircularBuffer } from '../../lib/circular-buffer.cjs' |
| 7 | import { WorkerTypes } from '../../lib/index.cjs' |
| 8 | import { |
| 9 | createWorker, |
| 10 | DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS, |
| 11 | getDefaultTasksQueueOptions, |
| 12 | getWorkerId, |
| 13 | getWorkerType, |
| 14 | updateMeasurementStatistics, |
| 15 | } from '../../lib/pools/utils.cjs' |
| 16 | import { MeasurementHistorySize } from '../../lib/pools/worker.cjs' |
| 17 | |
| 18 | describe('Pool utils test suite', () => { |
| 19 | it('Verify DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS values', () => { |
| 20 | expect(DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS).toStrictEqual({ |
| 21 | aggregate: false, |
| 22 | average: false, |
| 23 | median: false, |
| 24 | }) |
| 25 | }) |
| 26 | |
| 27 | it('Verify getDefaultTasksQueueOptions() behavior', () => { |
| 28 | const poolMaxSize = 4 |
| 29 | expect(getDefaultTasksQueueOptions(poolMaxSize)).toStrictEqual({ |
| 30 | concurrency: 1, |
| 31 | size: Math.pow(poolMaxSize, 2), |
| 32 | taskStealing: true, |
| 33 | tasksStealingOnBackPressure: false, |
| 34 | tasksFinishedTimeout: 2000, |
| 35 | }) |
| 36 | }) |
| 37 | |
| 38 | it('Verify updateMeasurementStatistics() behavior', () => { |
| 39 | const measurementStatistics = { |
| 40 | history: new CircularBuffer(MeasurementHistorySize), |
| 41 | } |
| 42 | updateMeasurementStatistics( |
| 43 | measurementStatistics, |
| 44 | { aggregate: true, average: false, median: false }, |
| 45 | 0.01 |
| 46 | ) |
| 47 | expect(measurementStatistics).toMatchObject({ |
| 48 | aggregate: 0.01, |
| 49 | maximum: 0.01, |
| 50 | minimum: 0.01, |
| 51 | }) |
| 52 | updateMeasurementStatistics( |
| 53 | measurementStatistics, |
| 54 | { aggregate: true, average: false, median: false }, |
| 55 | 0.02 |
| 56 | ) |
| 57 | expect(measurementStatistics).toMatchObject({ |
| 58 | aggregate: 0.03, |
| 59 | maximum: 0.02, |
| 60 | minimum: 0.01, |
| 61 | }) |
| 62 | updateMeasurementStatistics( |
| 63 | measurementStatistics, |
| 64 | { aggregate: true, average: true, median: false }, |
| 65 | 0.001 |
| 66 | ) |
| 67 | expect(measurementStatistics).toMatchObject({ |
| 68 | aggregate: 0.031, |
| 69 | maximum: 0.02, |
| 70 | minimum: 0.001, |
| 71 | average: 0.0010000000474974513, |
| 72 | }) |
| 73 | updateMeasurementStatistics( |
| 74 | measurementStatistics, |
| 75 | { aggregate: true, average: true, median: false }, |
| 76 | 0.003 |
| 77 | ) |
| 78 | expect(measurementStatistics).toMatchObject({ |
| 79 | aggregate: 0.034, |
| 80 | maximum: 0.02, |
| 81 | minimum: 0.001, |
| 82 | average: 0.0020000000367872417, |
| 83 | }) |
| 84 | updateMeasurementStatistics( |
| 85 | measurementStatistics, |
| 86 | { aggregate: true, average: false, median: true }, |
| 87 | 0.006 |
| 88 | ) |
| 89 | expect(measurementStatistics).toMatchObject({ |
| 90 | aggregate: 0.04, |
| 91 | maximum: 0.02, |
| 92 | minimum: 0.001, |
| 93 | median: 0.003000000026077032, |
| 94 | }) |
| 95 | updateMeasurementStatistics( |
| 96 | measurementStatistics, |
| 97 | { aggregate: true, average: true, median: false }, |
| 98 | 0.01 |
| 99 | ) |
| 100 | expect(measurementStatistics).toMatchObject({ |
| 101 | aggregate: 0.05, |
| 102 | maximum: 0.02, |
| 103 | minimum: 0.001, |
| 104 | average: 0.004999999975552782, |
| 105 | }) |
| 106 | }) |
| 107 | |
| 108 | it('Verify createWorker() behavior', () => { |
| 109 | expect( |
| 110 | createWorker( |
| 111 | WorkerTypes.thread, |
| 112 | './tests/worker-files/thread/testWorker.mjs', |
| 113 | {} |
| 114 | ) |
| 115 | ).toBeInstanceOf(ThreadWorker) |
| 116 | expect( |
| 117 | createWorker( |
| 118 | WorkerTypes.cluster, |
| 119 | './tests/worker-files/cluster/testWorker.mjs', |
| 120 | {} |
| 121 | ) |
| 122 | ).toBeInstanceOf(ClusterWorker) |
| 123 | }) |
| 124 | |
| 125 | it('Verify getWorkerType() behavior', () => { |
| 126 | expect( |
| 127 | getWorkerType( |
| 128 | new ThreadWorker('./tests/worker-files/thread/testWorker.mjs') |
| 129 | ) |
| 130 | ).toBe(WorkerTypes.thread) |
| 131 | expect(getWorkerType(cluster.fork())).toBe(WorkerTypes.cluster) |
| 132 | }) |
| 133 | |
| 134 | it('Verify getWorkerId() behavior', () => { |
| 135 | const threadWorker = new ThreadWorker( |
| 136 | './tests/worker-files/thread/testWorker.mjs' |
| 137 | ) |
| 138 | const clusterWorker = cluster.fork() |
| 139 | expect(getWorkerId(threadWorker)).toBe(threadWorker.threadId) |
| 140 | expect(getWorkerId(clusterWorker)).toBe(clusterWorker.id) |
| 141 | }) |
| 142 | }) |