wekan/packages/wekan-request/tests/test-node-debug.js

var assert = require('assert')
  , request = require('../index')
  , http = require('http')
  ;

var s = http.createServer(function(req, res) {
  res.statusCode = 200
  res.end('')
}).listen(6767, function () {
  // a simple request should not fail with NODE_DEBUG
  process.env.NODE_DEBUG = 'mumblemumble,request'

  var stderr = ''
  process.stderr.write = (function(write) {
    return function(string, encoding, fd) {
      stderr += string
    }
  })(process.stderr.write)

  request('http://localhost:6767', function (err, resp, body) {
    assert.ifError(err, 'the request did not fail')
    assert.ok(resp, 'the request did not fail')
    assert.ok(/REQUEST/.test(stderr), 'stderr has some messages')
    s.close(); // clean up
  })
})