Selenium page object model to model cart items as objects for testing code snippet examples

CartItemObjectsExampleCodeSnippets.java

// snippet written for and relates to: 
// http://autumnator.wordpress.com/2014/09/23/selenium-page-objects-beyond-pages-like-a-cart-object/

/**
 * Cart item implementation as a data structure
 * containing a related set of WebElements to work with
 * 
 * These cart items reside in and can be extracted from
 * shopping cart page object to then be worked with.
 **/
public class CartItem{
	
    public WebElement nameLabel;
    public WebElement quantityField;
    public WebElement removeButton;
    //...any additional cart item related elements

    CartItem(WebElement nameLabel, WebElement quantityField, WebElement removeButton, ...){
        //or make as varargs constructor?

        this.nameLabel = nameLabel;
        this.quantityField = quantityField;
        this.removeButton = removeButton;
        //...any additional elements to init/assign

        //WebElements extracted via CartPage.getCartItems() and instantiated into this data structure
    }
}

/* with above (class) object data structure implementation, 
 * you could model the test interaction between cart page 
 * and cart items as follows
 */
CartItem[] cartItems = cartPage.getCartItems();

System.out.println(cartItems[0].nameLabel.getText());

cartItems[0].quantityField.sendKeys("5"); //set quantity to 5 for the cart item
//may need to make some other call(s) to trigger the update to take effect or not
//may also need to first clear the quantityField before sendKeys of course

cartItems[0].removeButton.click(); //remove the cart item


/**
 * Cart item implementation a la page object model (POM)
 * These cart items reside in and can be extracted from
 * shopping cart page object to then be worked with.
 **/
public class CartItem{
	
    private WebElement nameLabel;
    private WebElement quantityField;
    private WebElement removeButton;
    //...

    CartItem(WebElement nameLabel, WebElement quantityField, WebElement removeButton, ...){
        //or make as varargs constructor?

        this.nameLabel = nameLabel;
        this.quantityField = quantityField;
        this.removeButton = removeButton;
        //...any additional elements to init/assign

        //WebElements extracted via CartPage.getCartItems() and instantiated into this data structure
    }

    public String getName(){
        return nameLabel.getText();
    }

    public void updateQuantity(int quantity){
        quantityField.clear();
        quantityField.sendKeys(Integer.toString(quantity));
        //plus any code to trigger update if page doesn't auto update on field value change
    }

    public void remove(){
        removeButton.click();
    }

    //...any additional cart item high level methods that define what you can do with cart item
    //similar to page object methods
}

/* with above cart item class implementation a la POM, 
 * you could model the test interaction between cart page 
 * and cart items as follows...
 */
CartItem[] cartItems = cartPage.getCartItems();

System.out.println(cartItems[0].getName());

cartItems[0].updateQuantity(5);

cartItems[0].remove();

/* NOTE: that in these examples, I use a simple array of cart items. 
 * But it could have been an ArrayList or other similar slightly more
 * complex data type. I jsut went simple route to present example.
 */