March 2015
Intermediate to advanced
236 pages
5h 26m
English
Content preview from Pragmatic Unit Testing in Java 8 with JUnitBecome 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 5FIRST Properties of Good Tests
Unit tests provide many significant benefits when crafted with care. But your tests also represent code you must write and maintain. You and your team can lose lots of time and sleep due to the following problems with your tests:
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Tests that make little sense to someone following them
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Tests that fail sporadically
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“Tests” that don’t prove anything worthwhile
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Tests that require a long time to execute
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Tests that don’t sufficiently cover the code
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Tests that couple too tightly to implementation, meaning that small changes break lots of tests all at once
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Convoluted tests that jump through numerous setup hoops
In this chapter you’ll learn some key concepts and a few simple tactics that can help make your tests ...
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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.
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.