| 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 { |
| 7 | CircularArray, |
| 8 | DEFAULT_CIRCULAR_ARRAY_SIZE |
| 9 | } from '../../lib/circular-array.cjs' |
| 10 | import { WorkerTypes } from '../../lib/index.cjs' |
| 11 | import { |
| 12 | createWorker, |
| 13 | DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS, |
| 14 | getDefaultTasksQueueOptions, |
| 15 | getWorkerId, |
| 16 | getWorkerType, |
| 17 | updateMeasurementStatistics |
| 18 | } from '../../lib/pools/utils.cjs' |
| 19 | |
| 20 | describe('Pool utils test suite', () => { |
| 21 | it('Verify DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS values', () => { |
| 22 | expect(DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS).toStrictEqual({ |
| 23 | aggregate: false, |
| 24 | average: false, |
| 25 | median: false |
| 26 | }) |
| 27 | }) |
| 28 | |
| 29 | it('Verify getDefaultTasksQueueOptions() behavior', () => { |
| 30 | const poolMaxSize = 4 |
| 31 | expect(getDefaultTasksQueueOptions(poolMaxSize)).toStrictEqual({ |
| 32 | concurrency: 1, |
| 33 | size: Math.pow(poolMaxSize, 2), |
| 34 | taskStealing: true, |
| 35 | tasksStealingOnBackPressure: false, |
| 36 | tasksFinishedTimeout: 2000 |
| 37 | }) |
| 38 | }) |
| 39 | |
| 40 | it('Verify updateMeasurementStatistics() behavior', () => { |
| 41 | const measurementStatistics = { |
| 42 | history: new CircularArray() |
| 43 | } |
| 44 | updateMeasurementStatistics( |
| 45 | measurementStatistics, |
| 46 | { aggregate: true, average: false, median: false }, |
| 47 | 0.01 |
| 48 | ) |
| 49 | expect(measurementStatistics).toStrictEqual({ |
| 50 | aggregate: 0.01, |
| 51 | maximum: 0.01, |
| 52 | minimum: 0.01, |
| 53 | history: new CircularArray() |
| 54 | }) |
| 55 | updateMeasurementStatistics( |
| 56 | measurementStatistics, |
| 57 | { aggregate: true, average: false, median: false }, |
| 58 | 0.02 |
| 59 | ) |
| 60 | expect(measurementStatistics).toStrictEqual({ |
| 61 | aggregate: 0.03, |
| 62 | maximum: 0.02, |
| 63 | minimum: 0.01, |
| 64 | history: new CircularArray() |
| 65 | }) |
| 66 | updateMeasurementStatistics( |
| 67 | measurementStatistics, |
| 68 | { aggregate: true, average: true, median: false }, |
| 69 | 0.001 |
| 70 | ) |
| 71 | expect(measurementStatistics).toStrictEqual({ |
| 72 | aggregate: 0.031, |
| 73 | maximum: 0.02, |
| 74 | minimum: 0.001, |
| 75 | average: 0.001, |
| 76 | history: new CircularArray(DEFAULT_CIRCULAR_ARRAY_SIZE, 0.001) |
| 77 | }) |
| 78 | updateMeasurementStatistics( |
| 79 | measurementStatistics, |
| 80 | { aggregate: true, average: true, median: false }, |
| 81 | 0.003 |
| 82 | ) |
| 83 | expect(measurementStatistics).toStrictEqual({ |
| 84 | aggregate: 0.034, |
| 85 | maximum: 0.02, |
| 86 | minimum: 0.001, |
| 87 | average: 0.002, |
| 88 | history: new CircularArray(DEFAULT_CIRCULAR_ARRAY_SIZE, 0.001, 0.003) |
| 89 | }) |
| 90 | updateMeasurementStatistics( |
| 91 | measurementStatistics, |
| 92 | { aggregate: true, average: false, median: true }, |
| 93 | 0.006 |
| 94 | ) |
| 95 | expect(measurementStatistics).toStrictEqual({ |
| 96 | aggregate: 0.04, |
| 97 | maximum: 0.02, |
| 98 | minimum: 0.001, |
| 99 | median: 0.003, |
| 100 | history: new CircularArray( |
| 101 | DEFAULT_CIRCULAR_ARRAY_SIZE, |
| 102 | 0.001, |
| 103 | 0.003, |
| 104 | 0.006 |
| 105 | ) |
| 106 | }) |
| 107 | updateMeasurementStatistics( |
| 108 | measurementStatistics, |
| 109 | { aggregate: true, average: true, median: false }, |
| 110 | 0.01 |
| 111 | ) |
| 112 | expect(measurementStatistics).toStrictEqual({ |
| 113 | aggregate: 0.05, |
| 114 | maximum: 0.02, |
| 115 | minimum: 0.001, |
| 116 | average: 0.005, |
| 117 | history: new CircularArray( |
| 118 | DEFAULT_CIRCULAR_ARRAY_SIZE, |
| 119 | 0.001, |
| 120 | 0.003, |
| 121 | 0.006, |
| 122 | 0.01 |
| 123 | ) |
| 124 | }) |
| 125 | }) |
| 126 | |
| 127 | it('Verify createWorker() behavior', () => { |
| 128 | expect( |
| 129 | createWorker( |
| 130 | WorkerTypes.thread, |
| 131 | './tests/worker-files/thread/testWorker.mjs', |
| 132 | {} |
| 133 | ) |
| 134 | ).toBeInstanceOf(ThreadWorker) |
| 135 | expect( |
| 136 | createWorker( |
| 137 | WorkerTypes.cluster, |
| 138 | './tests/worker-files/cluster/testWorker.mjs', |
| 139 | {} |
| 140 | ) |
| 141 | ).toBeInstanceOf(ClusterWorker) |
| 142 | }) |
| 143 | |
| 144 | it('Verify getWorkerType() behavior', () => { |
| 145 | expect( |
| 146 | getWorkerType( |
| 147 | new ThreadWorker('./tests/worker-files/thread/testWorker.mjs') |
| 148 | ) |
| 149 | ).toBe(WorkerTypes.thread) |
| 150 | expect(getWorkerType(cluster.fork())).toBe(WorkerTypes.cluster) |
| 151 | }) |
| 152 | |
| 153 | it('Verify getWorkerId() behavior', () => { |
| 154 | const threadWorker = new ThreadWorker( |
| 155 | './tests/worker-files/thread/testWorker.mjs' |
| 156 | ) |
| 157 | const clusterWorker = cluster.fork() |
| 158 | expect(getWorkerId(threadWorker)).toBe(threadWorker.threadId) |
| 159 | expect(getWorkerId(clusterWorker)).toBe(clusterWorker.id) |
| 160 | }) |
| 161 | }) |