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Testing Ruby with RSpec

The Complete Guide

By: Boris Paskhaver

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eText | 8 August 2019 | Edition Number 1

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This course offers a comprehensive overview of the RSpec testing library for the Ruby programming library. RSpec is the most popular Ruby Gem of all time, with over 300 million downloads to date. If you are new to the topic, testing is the practice of writing code that confirms that other code works as expected. Tests control regressions, which are changes to the code that breaks the program.

The benefits of testing extend beyond the codebase. Adopting a test-driven approach will also make you a better developer. Tests force you to think critically about a program and its features: classes, objects, methods, and more.

This course begins with the essentials and proceeds to more complex topics, including installation, project initialization, Test-Driven Development (TDD), let variables, before and after hooks, subjects, shared examples, shared context, built-in matches, mocks and doubles, instance doubles, and class doubles.

At the completion of this course, you will have acquired hands-on Ruby testing experience with this awesome RSpec library.

All Resources for this course are available at https://github.com/packtpublishing/testing-ruby-with-rspec-the-complete-guide