+const { WorkerFunctions } = require('./test-types')
+
class TestUtils {
static async waitExits (pool, numberOfExitEventsToWait) {
- let exitEvents = 0
return new Promise(resolve => {
- pool.workers.forEach(w => {
- w.on('exit', () => {
- exitEvents++
+ let exitEvents = 0
+ for (const workerNode of pool.workerNodes) {
+ workerNode.worker.on('exit', () => {
+ ++exitEvents
if (exitEvents === numberOfExitEventsToWait) {
resolve(exitEvents)
}
})
- })
+ }
})
}
return new Promise(resolve => setTimeout(resolve, ms))
}
- static async workerSleepFunction (
+ static async sleepWorkerFunction (
data,
ms,
rejection = false,
})
}
+ static generateRandomInteger (max = Number.MAX_SAFE_INTEGER, min = 0) {
+ if (max < min || max < 0 || min < 0) {
+ throw new RangeError('Invalid interval')
+ }
+ max = Math.floor(max)
+ if (min != null && min !== 0) {
+ min = Math.ceil(min)
+ return Math.floor(Math.random() * (max - min + 1)) + min
+ }
+ return Math.floor(Math.random() * (max + 1))
+ }
+
static jsonIntegerSerialization (n) {
for (let i = 0; i < n; i++) {
const o = {
/**
* Intentionally inefficient implementation.
- *
- * @param {number} n
- * @returns {number}
+ * @param {number} n - The number of fibonacci numbers to generate.
+ * @returns {number} - The nth fibonacci number.
*/
static fibonacci (n) {
if (n <= 1) return 1
/**
* Intentionally inefficient implementation.
- *
- * @param {number} n
- * @returns {number}
+ * @param {number} n - The number to calculate the factorial of.
+ * @returns {number} - The factorial of n.
*/
static factorial (n) {
if (n === 0) {
return 1
- } else {
- return TestUtils.factorial(n - 1) * n
+ }
+ return TestUtils.factorial(n - 1) * n
+ }
+
+ static executeWorkerFunction (data) {
+ switch (data.function) {
+ case WorkerFunctions.jsonIntegerSerialization:
+ return TestUtils.jsonIntegerSerialization(data.n || 100)
+ case WorkerFunctions.fibonacci:
+ return TestUtils.fibonacci(data.n || 25)
+ case WorkerFunctions.factorial:
+ return TestUtils.factorial(data.n || 100)
+ default:
+ throw new Error('Unknown worker function')
}
}
}