Fix closure issue in UTs utils

[poolifier.git] / tests / test-utils.js

diff --git a/tests/test-utils.js b/tests/test-utils.js
index 4668e0720c7ea1c2eb9cca649f17bb7ade4eb826..f650af789867c1e87d56e963a210a9f4320a02c0 100644 (file)
--- a/tests/test-utils.js
+++ b/tests/test-utils.js
@@ -1,7 +1,9 @@
+const { WorkerFunctions } = require('./test-types')
+
 class TestUtils {
   static async waitExits (pool, numberOfExitEventsToWait) {
-    let exitEvents = 0
-    return new Promise(function (resolve, reject) {
+    return new Promise(resolve => {
+      let exitEvents = 0
       pool.workers.forEach(w => {
         w.on('exit', () => {
           exitEvents++
@@ -17,12 +19,35 @@ class TestUtils {
     return new Promise(resolve => setTimeout(resolve, ms))
   }
 
-  static async workerSleepFunction (data, ms) {
+  static async sleepWorkerFunction (
+    data,
+    ms,
+    rejection = false,
+    rejectionMessage = ''
+  ) {
     return new Promise((resolve, reject) => {
-      setTimeout(() => resolve(data), ms)
+      setTimeout(
+        () =>
+          rejection === true
+            ? reject(new Error(rejectionMessage))
+            : resolve(data),
+        ms
+      )
     })
   }
 
+  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 = {
@@ -35,8 +60,8 @@ class TestUtils {
   /**
    * Intentionally inefficient implementation.
    *
-   * @param {*} 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
@@ -46,8 +71,8 @@ class TestUtils {
   /**
    * Intentionally inefficient implementation.
    *
-   * @param {*} 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) {
@@ -56,6 +81,19 @@ class TestUtils {
       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')
+    }
+  }
 }
 
 module.exports = TestUtils