September 2016
Intermediate to advanced
336 pages
9h 33m
English
Content preview from Developer Testing: Building Quality into SoftwareBecome 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 7. Unit Testing
Unit testing is the professional developers’ most efficient strategy for ensuring that they indeed complete their programming tasks, that the code they write works in accordance with their assumptions,1 and that it can be changed by them and their peers.
1. It’s tempting to write “works correctly” instead of “works in accordance with their assumptions,” but proving that a program is correct is impossible, except for simplistic snippets used in a university course on formal methods.
A hobby hack written and used by one person doesn’t need to have unit tests. One person suffers the consequences of bugs, and if any refactorings take more time than necessary or totally break the project, that’s probably fine too. If the project ...
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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.