| 1 | const { randomInt } = require('crypto') |
| 2 | const { expect } = require('expect') |
| 3 | const { |
| 4 | CircularArray, |
| 5 | DEFAULT_CIRCULAR_ARRAY_SIZE |
| 6 | } = require('../lib/circular-array') |
| 7 | const { |
| 8 | availableParallelism, |
| 9 | average, |
| 10 | exponentialDelay, |
| 11 | isAsyncFunction, |
| 12 | isKillBehavior, |
| 13 | isPlainObject, |
| 14 | median, |
| 15 | round, |
| 16 | secureRandom, |
| 17 | sleep, |
| 18 | updateMeasurementStatistics |
| 19 | } = require('../lib/utils') |
| 20 | const { KillBehaviors } = require('../lib/worker/worker-options') |
| 21 | |
| 22 | describe('Utils test suite', () => { |
| 23 | it('Verify availableParallelism() behavior', () => { |
| 24 | expect(typeof availableParallelism() === 'number').toBe(true) |
| 25 | expect(availableParallelism()).toBeGreaterThan(0) |
| 26 | expect(Number.isSafeInteger(availableParallelism())).toBe(true) |
| 27 | }) |
| 28 | |
| 29 | it.skip('Verify sleep() behavior', async () => { |
| 30 | const start = performance.now() |
| 31 | await sleep(1000) |
| 32 | const elapsed = performance.now() - start |
| 33 | expect(elapsed).toBeGreaterThanOrEqual(1000) |
| 34 | }) |
| 35 | |
| 36 | it('Verify exponentialDelay() behavior', () => { |
| 37 | expect(typeof exponentialDelay(randomInt(1000)) === 'number').toBe(true) |
| 38 | expect(exponentialDelay(randomInt(1000))).toBeGreaterThanOrEqual( |
| 39 | Number.MIN_VALUE |
| 40 | ) |
| 41 | expect(exponentialDelay(randomInt(1000))).toBeLessThanOrEqual( |
| 42 | Number.MAX_VALUE |
| 43 | ) |
| 44 | }) |
| 45 | |
| 46 | it('Verify average() computation', () => { |
| 47 | expect(average([])).toBe(0) |
| 48 | expect(average([0.08])).toBe(0.08) |
| 49 | expect(average([0.25, 4.75, 3.05, 6.04, 1.01, 2.02, 5.03])).toBe( |
| 50 | 3.1642857142857146 |
| 51 | ) |
| 52 | expect(average([0.25, 4.75, 3.05, 6.04, 1.01, 2.02])).toBe( |
| 53 | 2.8533333333333335 |
| 54 | ) |
| 55 | }) |
| 56 | |
| 57 | it('Verify median() computation', () => { |
| 58 | expect(median([])).toBe(0) |
| 59 | expect(median([0.08])).toBe(0.08) |
| 60 | expect(median([0.25, 4.75, 3.05, 6.04, 1.01, 2.02, 5.03])).toBe(3.05) |
| 61 | expect(median([0.25, 4.75, 3.05, 6.04, 1.01, 2.02])).toBe(2.535) |
| 62 | }) |
| 63 | |
| 64 | it('Verify round() behavior', () => { |
| 65 | expect(round(0)).toBe(0) |
| 66 | expect(round(0.5, 0)).toBe(1) |
| 67 | expect(round(0.5)).toBe(0.5) |
| 68 | expect(round(-0.5, 0)).toBe(-1) |
| 69 | expect(round(-0.5)).toBe(-0.5) |
| 70 | expect(round(1.005)).toBe(1.01) |
| 71 | expect(round(2.175)).toBe(2.18) |
| 72 | expect(round(5.015)).toBe(5.02) |
| 73 | expect(round(-1.005)).toBe(-1.01) |
| 74 | expect(round(-2.175)).toBe(-2.18) |
| 75 | expect(round(-5.015)).toBe(-5.02) |
| 76 | }) |
| 77 | |
| 78 | it('Verify isPlainObject() behavior', () => { |
| 79 | expect(isPlainObject(null)).toBe(false) |
| 80 | expect(isPlainObject(undefined)).toBe(false) |
| 81 | expect(isPlainObject(true)).toBe(false) |
| 82 | expect(isPlainObject(false)).toBe(false) |
| 83 | expect(isPlainObject(0)).toBe(false) |
| 84 | expect(isPlainObject('')).toBe(false) |
| 85 | expect(isPlainObject([])).toBe(false) |
| 86 | expect(isPlainObject(() => {})).toBe(false) |
| 87 | expect(isPlainObject(new Date())).toBe(false) |
| 88 | expect(isPlainObject(new RegExp())).toBe(false) |
| 89 | expect(isPlainObject(new Error())).toBe(false) |
| 90 | expect(isPlainObject(new Map())).toBe(false) |
| 91 | expect(isPlainObject(new Set())).toBe(false) |
| 92 | expect(isPlainObject(new WeakMap())).toBe(false) |
| 93 | expect(isPlainObject(new WeakSet())).toBe(false) |
| 94 | expect(isPlainObject(new Int8Array())).toBe(false) |
| 95 | expect(isPlainObject(new Uint8Array())).toBe(false) |
| 96 | expect(isPlainObject(new Uint8ClampedArray())).toBe(false) |
| 97 | expect(isPlainObject(new Int16Array())).toBe(false) |
| 98 | expect(isPlainObject(new Uint16Array())).toBe(false) |
| 99 | expect(isPlainObject(new Int32Array())).toBe(false) |
| 100 | expect(isPlainObject(new Uint32Array())).toBe(false) |
| 101 | expect(isPlainObject(new Float32Array())).toBe(false) |
| 102 | expect(isPlainObject(new Float64Array())).toBe(false) |
| 103 | expect(isPlainObject(new BigInt64Array())).toBe(false) |
| 104 | expect(isPlainObject(new BigUint64Array())).toBe(false) |
| 105 | expect(isPlainObject(new Promise(() => {}))).toBe(false) |
| 106 | expect(isPlainObject(new WeakRef({}))).toBe(false) |
| 107 | expect(isPlainObject(new FinalizationRegistry(() => {}))).toBe(false) |
| 108 | expect(isPlainObject(new ArrayBuffer())).toBe(false) |
| 109 | expect(isPlainObject(new SharedArrayBuffer())).toBe(false) |
| 110 | expect(isPlainObject(new DataView(new ArrayBuffer()))).toBe(false) |
| 111 | expect(isPlainObject({})).toBe(true) |
| 112 | expect(isPlainObject({ a: 1 })).toBe(true) |
| 113 | }) |
| 114 | |
| 115 | it('Verify isKillBehavior() behavior', () => { |
| 116 | expect(isKillBehavior(KillBehaviors.SOFT, KillBehaviors.SOFT)).toBe(true) |
| 117 | expect(isKillBehavior(KillBehaviors.SOFT, KillBehaviors.HARD)).toBe(false) |
| 118 | expect(isKillBehavior(KillBehaviors.HARD, KillBehaviors.HARD)).toBe(true) |
| 119 | expect(isKillBehavior(KillBehaviors.HARD, KillBehaviors.SOFT)).toBe(false) |
| 120 | expect(isKillBehavior(KillBehaviors.SOFT)).toBe(false) |
| 121 | expect(isKillBehavior(KillBehaviors.HARD)).toBe(false) |
| 122 | expect(isKillBehavior(KillBehaviors.HARD, null)).toBe(false) |
| 123 | expect(isKillBehavior(KillBehaviors.HARD, undefined)).toBe(false) |
| 124 | expect(isKillBehavior(KillBehaviors.SOFT, 'unknown')).toBe(false) |
| 125 | }) |
| 126 | |
| 127 | it('Verify isAsyncFunction() behavior', () => { |
| 128 | expect(isAsyncFunction(null)).toBe(false) |
| 129 | expect(isAsyncFunction(undefined)).toBe(false) |
| 130 | expect(isAsyncFunction(true)).toBe(false) |
| 131 | expect(isAsyncFunction(false)).toBe(false) |
| 132 | expect(isAsyncFunction(0)).toBe(false) |
| 133 | expect(isAsyncFunction('')).toBe(false) |
| 134 | expect(isAsyncFunction([])).toBe(false) |
| 135 | expect(isAsyncFunction(new Date())).toBe(false) |
| 136 | expect(isAsyncFunction(new RegExp())).toBe(false) |
| 137 | expect(isAsyncFunction(new Error())).toBe(false) |
| 138 | expect(isAsyncFunction(new Map())).toBe(false) |
| 139 | expect(isAsyncFunction(new Set())).toBe(false) |
| 140 | expect(isAsyncFunction(new WeakMap())).toBe(false) |
| 141 | expect(isAsyncFunction(new WeakSet())).toBe(false) |
| 142 | expect(isAsyncFunction(new Int8Array())).toBe(false) |
| 143 | expect(isAsyncFunction(new Uint8Array())).toBe(false) |
| 144 | expect(isAsyncFunction(new Uint8ClampedArray())).toBe(false) |
| 145 | expect(isAsyncFunction(new Int16Array())).toBe(false) |
| 146 | expect(isAsyncFunction(new Uint16Array())).toBe(false) |
| 147 | expect(isAsyncFunction(new Int32Array())).toBe(false) |
| 148 | expect(isAsyncFunction(new Uint32Array())).toBe(false) |
| 149 | expect(isAsyncFunction(new Float32Array())).toBe(false) |
| 150 | expect(isAsyncFunction(new Float64Array())).toBe(false) |
| 151 | expect(isAsyncFunction(new BigInt64Array())).toBe(false) |
| 152 | expect(isAsyncFunction(new BigUint64Array())).toBe(false) |
| 153 | expect(isAsyncFunction(new Promise(() => {}))).toBe(false) |
| 154 | expect(isAsyncFunction(new WeakRef({}))).toBe(false) |
| 155 | expect(isAsyncFunction(new FinalizationRegistry(() => {}))).toBe(false) |
| 156 | expect(isAsyncFunction(new ArrayBuffer())).toBe(false) |
| 157 | expect(isAsyncFunction(new SharedArrayBuffer())).toBe(false) |
| 158 | expect(isAsyncFunction(new DataView(new ArrayBuffer()))).toBe(false) |
| 159 | expect(isAsyncFunction({})).toBe(false) |
| 160 | expect(isAsyncFunction({ a: 1 })).toBe(false) |
| 161 | expect(isAsyncFunction(() => {})).toBe(false) |
| 162 | expect(isAsyncFunction(function () {})).toBe(false) |
| 163 | expect(isAsyncFunction(function named () {})).toBe(false) |
| 164 | expect(isAsyncFunction(async () => {})).toBe(true) |
| 165 | expect(isAsyncFunction(async function () {})).toBe(true) |
| 166 | expect(isAsyncFunction(async function named () {})).toBe(true) |
| 167 | }) |
| 168 | |
| 169 | it('Verify updateMeasurementStatistics() behavior', () => { |
| 170 | const measurementStatistics = { |
| 171 | history: new CircularArray() |
| 172 | } |
| 173 | updateMeasurementStatistics( |
| 174 | measurementStatistics, |
| 175 | { aggregate: true, average: false, median: false }, |
| 176 | 0.01 |
| 177 | ) |
| 178 | expect(measurementStatistics).toStrictEqual({ |
| 179 | aggregate: 0.01, |
| 180 | maximum: 0.01, |
| 181 | minimum: 0.01, |
| 182 | history: new CircularArray() |
| 183 | }) |
| 184 | updateMeasurementStatistics( |
| 185 | measurementStatistics, |
| 186 | { aggregate: true, average: false, median: false }, |
| 187 | 0.02 |
| 188 | ) |
| 189 | expect(measurementStatistics).toStrictEqual({ |
| 190 | aggregate: 0.03, |
| 191 | maximum: 0.02, |
| 192 | minimum: 0.01, |
| 193 | history: new CircularArray() |
| 194 | }) |
| 195 | updateMeasurementStatistics( |
| 196 | measurementStatistics, |
| 197 | { aggregate: true, average: true, median: false }, |
| 198 | 0.001 |
| 199 | ) |
| 200 | expect(measurementStatistics).toStrictEqual({ |
| 201 | aggregate: 0.031, |
| 202 | maximum: 0.02, |
| 203 | minimum: 0.001, |
| 204 | average: 0.001, |
| 205 | history: new CircularArray(DEFAULT_CIRCULAR_ARRAY_SIZE, 0.001) |
| 206 | }) |
| 207 | updateMeasurementStatistics( |
| 208 | measurementStatistics, |
| 209 | { aggregate: true, average: true, median: false }, |
| 210 | 0.003 |
| 211 | ) |
| 212 | expect(measurementStatistics).toStrictEqual({ |
| 213 | aggregate: 0.034, |
| 214 | maximum: 0.02, |
| 215 | minimum: 0.001, |
| 216 | average: 0.002, |
| 217 | history: new CircularArray(DEFAULT_CIRCULAR_ARRAY_SIZE, 0.001, 0.003) |
| 218 | }) |
| 219 | }) |
| 220 | |
| 221 | it('Verify secureRandom() behavior', () => { |
| 222 | const randomNumber = secureRandom() |
| 223 | expect(typeof randomNumber === 'number').toBe(true) |
| 224 | expect(randomNumber).toBeGreaterThanOrEqual(0) |
| 225 | expect(randomNumber).toBeLessThan(1) |
| 226 | }) |
| 227 | }) |