January 2018
Intermediate to advanced
414 pages
10h 29m
English
Content preview from Hands-On Microservices with Kotlin
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Mocking beans
Testing complex systems can be challenging, especially when we are dealing with dependencies. If our software depends on an external system such as a database or another service backend, it's hard to make our test without predicting the results from something that is not in our control. We can use a mechanism to prevent this from affecting us. We can use mocks that will mimic the expected output from another system.
Making our tests repeatable is a must in modern software development. Mocking will allow us to always get the same result, regardless of how many times, or in what order, our tests run.
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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.