Comment cleanup
[poolifier.git] / tests / test-utils.js
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1class TestUtils {
2 static async waitExits (pool, numberOfExitEventsToWait) {
3 let exitEvents = 0
4 return new Promise(function (resolve, reject) {
5 pool.workers.forEach(w => {
6 w.on('exit', () => {
7 exitEvents++
8 if (exitEvents === numberOfExitEventsToWait) {
9 resolve(exitEvents)
10 }
11 })
12 })
13 })
14 }
15
16 static async sleep (ms) {
17 return new Promise(resolve => setTimeout(resolve, ms))
18 }
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19
20 static async workerSleepFunction (data, ms) {
cf597bc5 21 return new Promise(resolve => {
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22 setTimeout(() => resolve(data), ms)
23 })
24 }
25
26 static jsonIntegerSerialization (n) {
27 for (let i = 0; i < n; i++) {
28 const o = {
29 a: i
30 }
31 JSON.stringify(o)
32 }
33 }
34
35 /**
36 * Intentionally inefficient implementation.
37 *
bdaf31cd 38 * @param {number} n
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39 * @returns {number}
40 */
41 static fibonacci (n) {
42 if (n <= 1) return 1
43 return TestUtils.fibonacci(n - 1) + TestUtils.fibonacci(n - 2)
44 }
45
46 /**
47 * Intentionally inefficient implementation.
48 *
bdaf31cd 49 * @param {number} n
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50 * @returns {number}
51 */
52 static factorial (n) {
53 if (n === 0) {
54 return 1
55 } else {
56 return TestUtils.factorial(n - 1) * n
57 }
58 }
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59}
60
61module.exports = TestUtils