JavaScript environment

In this section, we’ll set up the JavaScript and present some passing code without unit testing. In the next chapter, we’ll set up JavaScript unit-testing tools and see how we might test-drive JavaScript features.

Rails 5.1 made two important changes to the JavaScript environment:

jQuery is no longer a default dependency.
Webpack integration is available via the Webpacker gem.

Webpack is an optional replacement for the Rails asset pipeline and has the same general purpose. It takes files that might be written in JavaScript, ...

Introduction

Test-Driven Fable

Test-Driven Development Basics

Test-Driven Rails

Use RSpec to Write Efficient Test Cases in the Rails Application

What Makes a Great Test?

Testing Models

Adding Data to Tests

Using Test Doubles as Mocks and Stubs

Integration Testing with Capybara and Cucumber

Testing JavaScript: Integration Testing

Unit-Testing Javascript

Testing Rails Display Elements

Minitest

Testing for Security

Testing External Services

Troubleshooting and Debugging

Running Tests Faster and Running Faster Tests

Testing Legacy Code

Making the Test Pass

JavaScript environment