fix: remove unwanted async calls

test/stress/child.js

@@ -12,19 +12,19 @@ const variables = require('./utils/variables')
 var certificate = {}
 var connectionInfo = {}
 
-async function getCert (machineIndex) {
+const getCert = machineIndex => {
   const key = fs.readFile(path.resolve(__dirname, 'machines', `${machineIndex}`, 'client.key'))
   const cert = fs.readFile(path.resolve(__dirname, 'machines', `${machineIndex}`, 'client.pem'))
 
-  return Promise.all([key, cert]).then(values => {
-    return { key: values[0], cert: values[1] }
+  return Promise.all([key, cert]).then(([key, cert]) => {
+    return { key, cert }
   }).catch(err => {
-    console.err('The following error when reading the certificate: ', err)
+    console.error('The following error when reading the certificate: ', err)
     return null
   })
 }
 
-async function getConnectionInfo (machineIndex) {
+const getConnectionInfo = machineIndex => {
   return fs.readFile(path.resolve(__dirname, 'machines', `${machineIndex}`, 'connection_info.json'))
 }
 
@@ -32,7 +32,7 @@ let counter = 0
 const requestTimes = []
 let latestResponseTime = 0
 
-function request (machineIndex, pid) {
+const request = (machineIndex, pid) => {
   performance.mark('A')
   https.get({
     hostname: 'localhost',
@@ -73,7 +73,7 @@ process.on('message', async (msg) => {
     certificate = values[0]
     connectionInfo = JSON.parse(values[1])
   }).catch(err => {
-    console.err('The following error occurred during certificate parsing: ', err)
+    console.error('The following error occurred during certificate parsing: ', err)
   })
 
   if (msg.hasVariance) await new Promise(resolve => setTimeout(resolve, utils.randomIntFromInterval(1, variables.POLLING_INTERVAL)))

test/stress/index.js

@@ -5,8 +5,8 @@ const minimist = require('minimist')
 const cmd = require('./scripts')
 const variables = require('./utils/variables')
 
-async function createMachines (numberOfMachines) {
-  await cmd.execCommand(
+function createMachines (numberOfMachines) {
+  return cmd.execCommand(
     `bash ./scripts/create-machines.sh ${numberOfMachines} ${variables.SERVER_CERT_PATH} ${variables.MACHINE_PATH}`
   )
 }
@@ -20,8 +20,8 @@ async function run (args = minimist(process.argv.slice(2))) {
   const NUMBER_OF_MACHINES = args._[0]
   const HAS_VARIANCE = args.v || false
 
-  startServer()
   await createMachines(NUMBER_OF_MACHINES)
+  startServer()
 
   for (let i = 1; i <= NUMBER_OF_MACHINES; i++) {
     const forked = fork('child.js')

test/stress/scripts/index.js

@@ -5,7 +5,7 @@ const exec = require('child_process').exec
  * @param {String} cmd
  * @return {Object} { stdout: String, stderr: String }
  */
-async function execCommand (cmd) {
+function execCommand (cmd) {
   return new Promise(function (resolve, reject) {
     const proc = exec(cmd, (err, stdout, stderr) => {
       if (err) {