a test plan for the shopping cart level up exercise

shopping_cart_test_plan.txt

Shopping Cart

You need some exercise in writing test plans. I've got the cure for what ails you. Write a test plan for a basic shopping cart. Make sure to include Happy Path, Sad Path and Bad Path in your tests.

It can be helpful to use something like the Cucumber syntax for this, but you don't need to write the entire implementation this time. You're welcome.

Requirements

The shopping cart behaves a lot like every other cart you've seen on the internet. We're not shooting for the stars on this one.
I should be able to add, remove, and change quantities on items in my cart.
I should be able to get back to item pages from the cart by clicking on individual cart item lines.
I should be able to put in my address information to get shipping estimates.
I should be able to add coupons, which are hopefully not expired.
Pay attention to cases such as logging in (if I have items in my cart as an anonymous user, but also have cart items from a previous authenticated session), or adding another item of the same SKU as others in my cart.
Don't worry about product pages or checkout.

Shopping Cart Test Plan
Attributes: Simple, Classic
Components: Cart Line Item, Shipping, Coupons, Login Handler
Capabilities (Features):
  Cart Line Item:
    Given there is a cart line item
    When I click delete
    Then it should go away
    
    Given there is a cart line item
    When I increase the quantity
    Then it should update for the new quantity 
    And show the new price
    
    Given there is no cart line item
    When I click add from a product page
    Then the cart should show a new line item
    
    Given there is a cart line item
    When I increase the quantity too high
    Then I should be warned
    
    Given there is a cart line item
    When I increase the quantity below 0
    Then I should be warned
    
    Given there is a cart line item
    When I click the item link
    Then I should go to the item page
    
    Given there is a cart line item
    When I click an item link for a deleted item (sad path)
    Then I should get a 404 page
    
    Given there is a cart line item
    When I add another item of the same sku
    Then I should have 1 cart line item with quantity increased
    And I should not have 2 copies of the same item in the cart
  
  Shipping:
    Given I have not input address information
    When I click to check out
    Then I should be asked for address information
    
    Given I have not input address information
    When I view the cart
    Then there should not be a shipping estimate
    
    Given I have not input address information
    When I input address information
    Then I should see a shipping estimate
  
  Coupons:
    Given I view the cart
    When I have not input any coupons
    Then there should not be any coupon discount
    
    Given I view the cart
    When I input a proper coupon
    Then I should see the coupon discount applied correctly to the price
    
    Given I view the cart
    When I input a fake coupon
    Then I should be notified of invalid coupon
    And there should not be any coupon discount
    
    Given I view the cart
    When I input a coupon containing a SQL injection
    Then the database should remain unpwned
    
  Login Handler:
    Given I am not logged in
    When I add an item to cart
    Then I should be able to view the item in my cart
    
    Given I am not logged in
    When I add an item to cart
    And I log in
    And I add another item to the cart
    Then I should see both items in the cart
    
    Given I am logged in
    When I add an item to the cart
    And I log out
    Then I should not see the item in the cart