How To Check Functionality Of A Magento Store

Frontend

General

• Test newsletter subscription block
  ->For new subscriber
  ->For existing subscriber
• User signup (account creation.)
• User password change/recovery
  -> For new user
  -> For existing user
• Test Magento multi-store fronts (if exists.)
• Check theme & its components on the website are working (looking) fine.

Product Catalog

• Click through all category pages and check for;
  -> Layered navigation showing and working correctly
  -> Sorting/Filters working correctly
• Open at least 5-10 product pages and check for;
  -> Correct price
  -> Add to cart button
  -> Configurable options, if applicable
  -> Images
• Check working of search and Advance search

Checkout

Cart

• Add item to cart
• Add multiple items to cart
• Test Remove item button
• Test Update shopping cart button
• Test Clear shopping cart button
• Check correct price
• Check correct totals (discount/tax/etc)

One page

• Check if login works
• Place some orders;
  -> Multiple products
  -> With discounts
  -> Let the transaction fail to see how Magento handles canceled orders
  -> Try all combinations of payment methods & shipping methods
  -> Try guest checkouts as well as logged-in checkouts

OneStepCheckout

• All shipping methods available?
• All payment methods available?

My/User Account

• Login & logout
• Are the correct My Accounts options showing?
• Reorder an order
• Add/edit address
• Subscribe / unsubscribe for newsletter

CMS Backend

• Place an order through the backend
  
• Create a customer through the backend
  
• Open all pages to see whether exceptions occur
  
• Check all configuration options for all extensions in the backend
  
• Check tax setting
  
• Check transactional emails
  
• Check attributes and attribute sets
  
• Check adding and deleting products
  
• Check creating and applying new discount coupons
  
• Check adding & removing new users in admin panel