JavaScript Object Builder

javascriptTestObjectBuilder.js

/**
 * @summary Generates a testObjectBuilder example object
 * @requires underscore, requirejs/commonjs
 */

var testObjectBuilder = function(require) {
    'use strict';

    var _ = require('underscore'),
        OrderModel = require('./order_model');

    /**
     * @summary Generates Order Model test Objects
     * @constructor
     * @param {config} object
     * @example
     * var orderModel = new OrderModelBuilder()
     *     .withPaidTicket()
     *     .withSoldOutState()
     *     .build();
     *
     */
    function OrderModelBuilder(config) {
        this.Klass = OrderModelBuilder;

        this.config = _.defaults(config || {}, {
            // Default properties
        });

        // Categories
        this.withPaidTicket = function() {
            var attributes = _.extend({}, this.config, {
                // Paid order attributes
            });

            return new this.Klass(attributes);
        };

        // States
        this.withSoldOutState = function() {
            var attributes = _.extend({}, this.config, {
                // SoldOut order attributes
            });

            return new this.Klass(attributes);
        };

        this.build = function() {
            return new OrderModel(this.config);
        };
    }

    return {
        OrderModelBuilder: OrderModelBuilder
    };
};

// Example of use along with a factory function:
function aModel() {
    return new testObjectBuilder.OrderModelBuilder();
}

// Within the beforeEach statement
this.model = aModel()
    .withPaidTicket()
    .withSoldOutState()
    .build();


// Here is a basic object builder template:
function NAMEBuilder(config) {
    this.Klass = NAMEBuilder;

    this.config = _.defaults(config || {}, {
        // Default config
    });

    this.withFEATURE = function() {
        var attributes = _.extend({}, this.config, {
            // Specific config
        });

        return new this.Klass(attributes);
    };

    this.build = function() {
        return new NameOfObject(this.config);
    };
}