build(deps-dev): bump @typescript-eslint/parser from 7.3.1 to 7.4.0
[poolifier.git] / tests / test-utils.cjs
CommitLineData
d35e5717 1const { TaskFunctions } = require('./test-types.cjs')
6db75ad9 2
bac873bd 3const waitWorkerEvents = async (pool, workerEvent, numberOfEventsToWait) => {
cde5b54e 4 return await new Promise(resolve => {
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5 let events = 0
6 if (numberOfEventsToWait === 0) {
7 resolve(events)
d41a44de 8 return
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9 }
10 for (const workerNode of pool.workerNodes) {
11 workerNode.worker.on(workerEvent, () => {
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12 ++events
13 if (events === numberOfEventsToWait) {
14 resolve(events)
15 }
16 })
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17 }
18 })
19}
20
21const waitPoolEvents = async (pool, poolEvent, numberOfEventsToWait) => {
cde5b54e 22 return await new Promise(resolve => {
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23 let events = 0
24 if (numberOfEventsToWait === 0) {
25 resolve(events)
d41a44de 26 return
bac873bd 27 }
393e2d28 28 pool.emitter?.on(poolEvent, () => {
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29 ++events
30 if (events === numberOfEventsToWait) {
31 resolve(events)
32 }
4f0b85b3 33 })
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34 })
35}
4f0b85b3 36
041dc05b 37const sleep = async ms => {
cde5b54e 38 return await new Promise(resolve => setTimeout(resolve, ms))
bac873bd 39}
bdacc2d2 40
dbca3be9 41const sleepTaskFunction = async (
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42 data,
43 ms,
44 rejection = false,
45 rejectionMessage = ''
46) => {
cde5b54e 47 return await new Promise((resolve, reject) => {
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48 setTimeout(
49 () =>
50 rejection === true
51 ? reject(new Error(rejectionMessage))
52 : resolve(data),
53 ms
54 )
55 })
56}
bdacc2d2 57
041dc05b 58const jsonIntegerSerialization = n => {
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59 for (let i = 0; i < n; i++) {
60 const o = {
61 a: i
bdacc2d2 62 }
bac873bd 63 JSON.stringify(o)
bdacc2d2 64 }
30b963d4 65 return { ok: 1 }
bac873bd 66}
bdacc2d2 67
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68/**
69 * Intentionally inefficient implementation.
70 * @param {number} n - The number of fibonacci numbers to generate.
71 * @returns {number} - The nth fibonacci number.
72 */
041dc05b 73const fibonacci = n => {
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74 if (n <= 1) return n
75 return fibonacci(n - 1) + fibonacci(n - 2)
76}
bdacc2d2 77
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78/**
79 * Intentionally inefficient implementation.
80 * @param {number} n - The number to calculate the factorial of.
81 * @returns {number} - The factorial of n.
82 */
041dc05b 83const factorial = n => {
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84 if (n === 0) {
85 return 1
bdacc2d2 86 }
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87 return factorial(n - 1) * n
88}
6db75ad9 89
041dc05b 90const executeTaskFunction = data => {
bac873bd 91 switch (data.function) {
dbca3be9 92 case TaskFunctions.jsonIntegerSerialization:
bac873bd 93 return jsonIntegerSerialization(data.n || 100)
dbca3be9 94 case TaskFunctions.fibonacci:
bac873bd 95 return fibonacci(data.n || 25)
dbca3be9 96 case TaskFunctions.factorial:
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97 return factorial(data.n || 100)
98 default:
99 throw new Error('Unknown worker function')
6db75ad9 100 }
85a3f8a7
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101}
102
bac873bd 103module.exports = {
dbca3be9 104 executeTaskFunction,
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105 factorial,
106 fibonacci,
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107 jsonIntegerSerialization,
108 sleep,
dbca3be9 109 sleepTaskFunction,
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110 waitPoolEvents,
111 waitWorkerEvents
bac873bd 112}