March 2003
Intermediate to advanced
288 pages
7h 4m
English
Content preview from Java Extreme Programming CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Preventing Build Breaks
Problem
You are concerned because developers keep “breaking the build” by checking in broken code to your version control tool.[17]
Solution
Adopt a policy in which developers must perform a clean build using Ant before checking in changes to the source repository. Ask them to run all unit tests, as well.
Discussion
This is largely a project management issue. If your team has an Ant buildfile along with a suite of unit tests, the build should not be breaking on a routine basis. Understand that people do make mistakes, such as forgetting to commit some changes to CVS despite having tested their changes.
Each developer should follow these suggestions in order to minimize integration problems:
Work in pairs. Your partner should encourage you to follow the full testing procedure before checking in code.
Work on one problem at a time. Keeping track of dozens of changes for days at a time is a good way to get out of sync with the rest of the team and introduce build problems.
Perform a clean build before testing changes.
Run the entire suite of unit tests before committing changes to the version control tool.
See Also
Chapter 1 and Chapter 2 discuss XP practices such as continuous integration and pair programming.
[17] A version control tool is something like CVS or Microsoft Visual SourceSafe.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.