September 2019
Intermediate to advanced
462 pages
11h 3m
English
Content preview from Programming KotlinBecome 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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Writing Data-Driven Tests
Good tests are FAIR—fast, automated, independent, and repeatable. If tests aren’t independent of each other, then they have to run in a specific order. And by adding or removing a test, we may break the order and the tests may fail. Such tests will become expensive and hard to maintain.
One way to guarantee independence of tests is to never place multiple asserts in the same test for verifications that are independent of each other. The obvious benefit of this approach is that tests can evolve without affecting and without being affected by existing tests. The downside, though, is that we end up with too many tests—verbose, hard to understand, and tiring to write.
KotlinTest provides data-driven tests to solve this ...
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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.