February 2015
Intermediate to advanced
338 pages
8h 16m
English
Content preview from The Cucumber for Java BookBecome 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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Characterization Tests
In his excellent book Working Effectively with Legacy Code [Fea04], Michael Feathers talks about two different types of tests, which he calls specification tests and characterization tests.
Specification tests are the ones we’ve been talking about throughout this book. They check that the code does what it’s supposed to. Ideally you write them before you write the code itself and use them as a guide to help you get the code into the right shape.
Characterization tests are different. You can think of them more like a science experiment, where you test the properties of a mysterious substance by boiling it or mixing it with other substances to see how it reacts. With characterization tests, the aim is just to understand ...
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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.