var QRCode = require(__dirname+'/../qrcode') , fs = require('fs') , util = require('util'); var path = './tmp.png'; QRCode.save(path,'life of the party bros',function(error,written){ if(error) { console.log(error); } else { util.print(written == (fs.statSync(path)||{}).size?"PASS: written should be to the correct file\n":"FAIL: file should be written size\n"); fs.unlinkSync(path); } });