Testing React Apps with Jest

• Experience with React development.

Audience

• Developers
• Test engineers

Jest is a testing framework maintained by Facebook to test React components.

This instructor-led, live training (online or onsite) is aimed at engineers who wish to use Jest to test React applications and components.

By the end of this training, participants will be able to:

• Install and configure a proper testing environment.
• Write asynchronous tests for React apps and components.
• Run Jest advanced tests that include mocking, spies and stubs.

Format of the course

• Interactive lecture and discussion.
• Lots of exercises and practice.
• Hands-on implementation in a live-lab environment.

Course Customization Options

• To request a customized training for this course, please contact us to arrange.
• To learn more about Jest, please visit: https://jestjs.io/

Introduction

Overview of Jest

Setting up the Testing Environment

Installing and Configuring Jest

Testing a Sample JavaScript Application

About Stateful Components

Testing a React App 

• Set up, execute function, assert results

Testing the Business Logic

Running Watch Mode to Test File Changes

Testing the User Interface

Running Browser Tests through Node

Testing React Components

Running Snapshot Tests

Troubleshooting

Summary and Conclusion