Code Reviews Done Right

Posted by Martijn van Lambalgen on January 20, 2017

(This story originally appeared on https://martijnvanlambalgen.wordpress.com/2016/12/27/code-reviews/)

Recently, I’ve read several articles, and heard multiple discussions on the quality of code reviews. To order my thoughts on this topic, I decided to write down my own ideas. Perhaps it helps someone, or it might lead to even more discussions.

So, what is a good code review? Obviously it depends on the situation. How big is the code change, how important is the feature, how many people are going to read that particular piece of code in the future, are there deadlines, etc. Let’s focus on the situation where there’s a reasonable amount of time available (no emergency fixes), for a feature change that has average importance, in a medium-sized team. Note that when I talk about a ‘code review’, usually I don’t just do a review of the ‘code’, but also of all the other parts my colleague has worked on. According to me the reviewer should for example also look at design and documentation, and check whether the acceptance requirements for the story have been met.

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About the author: Martijn van Lambalgen

Software engineer at TOPdesk interested in Software Architecture, Continuous Delivery and Web Security. Also wine drinker, good food lover, amateur baker and pleasure-seeker in general

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