BaaS at Scale | Load Test Process Spawning

test-processes.js

const spawn = require('child_process').spawn

// How many connections to build with Firebase
const maxChildren = 1250

// How long to keep child processes alive
const timeout = 10 * 60 * 1000 // 10 minutes

for (var i = 0; i < maxChildren; i++) {
  // your-test.js should contain your application-specific test
  var child = spawn('node', ['your-test.js', `--id=${i}`, '--timeout=${timeout}'])

  child.stdout.on('data', (data) => {
    console.log(`stdout: ${data}`)
  });

  child.stderr.on('data', (data) => {
    console.log(`stderr: ${data}`)
  });

  child.on('close', (code) => {
    if (code !== 0) console.log(`Child ${i} process exited with an error. Code ${code}`)
  })
}