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 12. Test Doubles
In Chapter 9, “Dependencies,” we learned how to expose and pass around collaborators to make dependencies explicit and break them. It’s perfectly natural that program elements, most notably objects, somehow depend on each other, but such relations have to be controllable. In this chapter, the subject will be revisited and explored in greater detail. Dependencies can be controlled in several ways, depending on what part they play in a test. Sometimes collaborating objects should be ignored, which may not be as easy as it sounds. Sometimes they’re of paramount importance and must be surveilled with utmost scrutiny.
Test double1 is a general term for an object that replaces a collaborator. Different kinds of test doubles ...
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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.