August 2018
Intermediate to advanced
524 pages
14h 45m
English
Content preview from Java Projects - Second Edition
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Good unit tests
Is this a good unit test? If you read it in a tutorial book like this, it has to be. Actually, it is not. It is a good code to demonstrate some of the tools that JUnit provides and some Java language features, but I would not use it in a professional project.
What makes a unit test good? To answer this question, we have to define what unit tests are used for. Unit tests serve two purposes. The purpose of the unit test is to validate the proper functioning of the unit and to document it.
Unit tests are not used to find bugs. Developers eventually use unit tests during debugging sessions but, many times, the testing code created for the debugging is a temporary one. When the bug is fixed, the code used to find it will not get ...
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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.