artillery/lib/platform/aws-lambda/lambda-handler/a9-handler-helpers.js

Cloud-scale load testing. https://www.artillery.io

const { spawn } = require('node:child_process');

const sleep = async function (n) {
  return new Promise((resolve, _reject) => {
    setTimeout(function () {
      resolve();
    }, n);
  });
};

async function runProcess(name, args, { env, log }) {
  return new Promise((resolve, reject) => {
    const proc = spawn(name, args, { env });
    let stdout = '';
    let stderr = '';

    proc.stdout.on('data', (data) => {
      if (log) {
        console.log(data.toString());
      }
      stdout += data.toString();
    });

    proc.stderr.on('data', (data) => {
      if (log) {
        console.error(data.toString());
      }

      stderr += data.toString();
    });

    proc.once('close', (code) => {
      resolve({ stdout, stderr, code });
    });

    proc.on('error', (err) => {
      resolve({ stdout, stderr, err });
    });
  });
}

module.exports = {
  runProcess,
  sleep
};