code: function S3Mock(options) {
  	if (!_.isUndefined(options) && !_.isUndefined(options.params)) {
  		this.defaultOptions = _.extend({}, applyBasePath(options.params));
  	}
  
  	this.config = {
  		update: function() {}
  	};
  }
docs: Mocks key pieces of the amazon s3 sdk