April 2016
Intermediate to advanced
222 pages
4h 30m
English
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Chapter 3. Taking Control of State with Doubles and Hooks
In this chapter, we'll learn how RSpec implements the general testing concepts of stubs, mocks, and spies with double. We'll start by implementing our own custom mocking method and use it to show off some fun tricks. This will help us understand how mocking works. We'll also appreciate the variety of mocking tools that RSpec offers after we implement one of our own. Then we'll learn how to use RSpec hooks to set up and tear down state related to our tests. Here is what we will cover in this chapter:
- The role of stubs, mocks, and spies in testing
- How to use RSpec's
double - Spying on methods and objects with
expectandto_receive - Setup and teardown with
beforeandafterhooks
Why mock?
A unit in ...
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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.