January 2020
Intermediate to advanced
304 pages
9h 8m
English
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Chapter 5. Mocks and test fragility
This chapter covers
- Differentiating mocks from stubs
- Defining observable behavior and implementation details
- Understanding the relationship between mocks and test fragility
- Using mocks without compromising resistance to refactoring
Chapter 4 introduced a frame of reference that you can use to analyze specific tests and unit testing approaches. In this chapter, you’ll see that frame of reference in action; we’ll use it to dissect the topic of mocks.
The use of mocks in tests is a controversial subject. Some people argue that mocks are a great tool and apply them in most of their tests. Others claim that mocks lead to test fragility and try not to use them at all. As the saying goes, the truth lies somewhere ...
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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.