April 2016
Intermediate to advanced
222 pages
4h 30m
English
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Chapter 2. Specifying Behavior with Examples and Matchers
In this chapter, we'll see how RSpec's examples and matchers implement the general testing concepts of units and assertions. An example is the base unit for a set of RSpec specs and, within it, you must have a matcher to assert something, otherwise it would serve no purpose.
In this chapter, we will cover the following topics:
- Structure of a spec file
- RSpec output
- Matchers
- The
lethelper - Testing for errors
Structure of a spec file
Let's look again at the AddressValidator module we introduced in Chapter 1, Exploring Testability from Unit Tests to Behavior-Driven Development, so we can understand its structure better. We'll also use some basic RSpec features to improve the tests. Let's look at the ...
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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.