global.process = { __proto__: process, pid: 123456 } Date.now = function () { return 1459875739796 } require('os').hostname = function () { return 'abcdefghijklmnopqr' } var stream = require('stream') var dest = new stream.PassThrough() dest.pipe(process.stdout) var pino = require(require.resolve('./../../../')) var log = pino({extreme: true}, dest) log.info('h')