Testing the node VM module

gistfile1.js

var vm = require('vm')


try {
  vm.runInThisContext('var hello = "world"; console.log("Hello " + hello);');
} catch(e) {
  console.log('Failed unexpectedly')
}


try {
  var secret = 'seeecret!'
  vm.runInThisContext('var hello = "world"; console.log("Hello " + hello + secret);');
} catch (e) {
  console.log('Fails as expected')
}

try {
  var context = {
    secret: '!',
    log: console.log
  }
  var script = 'var hello = "world"; log("Hello " + hello + secret);'
  vm.runInNewContext(script, context);
} catch(e) {
  console.log('Failed unexpectedly')
  console.log(e)
}