September 2004
Intermediate to advanced
464 pages
10h
English
Content preview from Working Effectively with Legacy CodeBecome 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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Chapter 22: I Need to Change a Monster Method and I Can’t Write Tests for It
One of the hardest things about working in legacy code is dealing with large methods. In many cases, you can avoid refactoring long methods by using the Sprout Method (59) and Sprout Class (63) techniques. Even when you are able to avoid it, though, it’s just a shame that you have to. Long methods are quagmires in a code base. Whenever you have to change them, you have to go back and attempt to understand them again, and then you have to make your changes. Often that takes longer than it would if the code was cleaner.
Long methods are a pain, but monster methods are worse. A monster method is a method that is so long and so complex that you really don’t feel comfortable ...
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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.
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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.