jaspervalero

var Aws = require('aws-sdk');
var sinon = require('sinon');

// Only works for 'createBucket', 'update' and a few others since most API methods are generated dynamically
// upon instantiation. Very counterintuitive, thanks Amazon!
var createBucket = sinon.stub(Aws.S3.prototype, 'createBucket');
createBucket.yields(null, 'Me create bucket');

// For other methods, we can 'assign' the stubs to the proto, already defined function won't be overridden
var listBuckets = Aws.S3.prototype.listBuckets = sinon.stub();