October 2016
Intermediate to advanced
198 pages
3h 52m
English
Content preview from Scala Test-Driven DevelopmentBecome 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 application code to fix the test – GREEN
Now we will write code in our application class to fix the test, that is, for it to go green. This will be done in baby steps, and we will only fix the issue the test complains about in each of the steps. This is where the term "test-driven" takes root. Our test is driving our implementation. At no point are we free to jump to conclusions.
Note
As you get better with your TDD, it is forgivable to jump a few steps. For appreciation and empathy with TDD, we will follow TDD in its purest form in this chapter.
From the error we got in our last run, that is, an implementation is missing, we can see that the test runner is complaining about a missing implementation of the function decimalToBinary.
To make ...
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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.