October 2017
Intermediate to advanced
458 pages
11h 13m
English
Content preview from Continuous Integration, Delivery, and Deployment
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Integration tests
Checking whether an Add function really adds a and b is nice, but does not really give you an indication that the system as a whole works as well. As said, unit tests only test small and isolated units of code and should not interact with external components (external components are mocked). That is why you will want integration tests as well. Integration tests test whether the system as a whole operates as expected. We need to know whether a record can indeed be saved in and retrieved from a database, that we can request some data from an external service, and that we can log to some file on the filesystem. Or, more practically we can check whether the frontend that was created by the frontend team actually fits the backend ...
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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.