December 2013
Intermediate to advanced
256 pages
6h 56m
English
Content preview from Quality Code: Software Testing Principles, Practices, and PatternsBecome 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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Testing the Class Purpose
We have separated the testing of the singleton nature from the testing of the class’s functional purpose and addressed how to test the singleton nature. Testing the functional purpose is easy, right? It would be, except for one thing: we cannot construct an instance except through the singleton mechanism. The difficulty in testing the singleton’s purpose is that we have no way to test it with a Fresh Fixture. The more tests we write, the higher the chances we will create Erratic Tests. So what are our options?
Briefly, our choices are to
• Remove the singleton nature
• Make no changes and live with testing a shared fixture
• Relax the constraints on instance
• Or relax the constraints on construction
Let’s take a look ...
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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.