spawn.js

var exec = require('child_process').exec
var spawn = require('child_process').spawn
var p = spawn('mocha', ['tests.js', '-R', 'tap'])
p.stdout.on('data', function(data){
    process.stdout.write(data + '')
})
p.on('exit', function(){
    process.exit(0)
})
setInterval(function(){}, 1000)