October 2009
Intermediate to advanced
384 pages
8h 54m
English
Content preview from Growing Object-Oriented Software, Guided by Tests
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Chapter 12. Getting Ready to Bid
In which we write an end-to-end test so that we can make the Sniper bid in an auction. We start to interpret the messages in the auction protocol and discover some new classes in the process. We write our first unit tests and then refactor out a helper class. We describe every last detail of this effort to show what we were thinking at the time.
An Introduction to the Market
Now, to continue with the skeleton metaphor, we start to flesh out the application. The core behavior of a Sniper is that it makes a higher bid on an item in an auction when there’s a change in price. Going back to our to-do list, we revisit the next couple of items:
• Single item: join, bid, and lose. When a price comes in, send a bid raised ...
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