March 2018
Intermediate to advanced
324 pages
8h 30m
English
Content preview from Test-Driven Java Development, Second Edition - Second Edition
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Increasing test coverage
Among the metrics for measuring code quality, there is one that is especially difficult to understand, and that is test coverage. Test coverage is a dangerous metric because a really high coverage does not imply the code is well tested. As the name says, it only contemplates whether a piece of code has been triggered and hence executed by a test. For that reason, the goal of testing is basically a combination of good tests and good coverage. To summarize, it is the quality of tests that matters, the code coverage is secondary.
There are some scenarios though where code coverage is indeed a good indicator. These are when the code coverage is really low. In those, the number means a greater part of the codebase is not ...
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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.
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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.