January 2019
Intermediate to advanced
520 pages
14h 32m
English
Content preview from Hands-On Microservices with Rust
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Unit testing
Microservices can also have bugs, so you have to be armed to handle all possible bugs. The first line of defense is unit testing.
Unit testing involves using HTTP clients to send an isolated request to a server or a request handler. In a unit test, you should check only one function. It's necessary to cover the majority of the code that helps to keep the same behavior of a function that can be reimplemented or improved with tests.
Also, you can write a test before writing any piece of code. It's called Test-Driven Development (TDD), but this approach is suitable for projects that have a good specification, because if you haven't decided on the solution, you will have to rewrite tests multiple times. In other words, TDD 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.