eXtreme .NET: Introducing eXtreme Programming Techniques to .NET Developers

Appendix I. Guideline Solutions for Task Breakdown Exercises in Chapter 3

Exercise 3-4: The Shopping Cart

This exercise is reasonably straightforward. You answers should look something like this.

Stories:

1. Add item to shopping cart

2. Remove item from shopping cart

3. Show running total for cart

Tasks for Story 1: Add Item to Shopping Cart
Task	Estimated Time
Test for adding normal item to cart	10 minutes
Test for adding null item to cart	10 minutes
Test for adding non existent item to cart	10 minutes
Code to make tests run	20 minutes
User interface to add items	15 minutes
Connect user interface to code	10 minutes
Check into source control and integrate with rest of system	5 minutes

Tasks for Story 2: Remove Item from Shopping Cart
Task	Estimated Time
Test for removing item from ...