April 2020
Intermediate to advanced
716 pages
18h 55m
English
Content preview from Full-Stack React Projects - Second Edition
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Comprehensive testing with Jest
Jest is a comprehensive testing framework for JavaScript. Although it has been more commonly known for testing React components, it can be used for general-purpose testing with any JavaScript library or framework. Among the many JavaScript testing solutions in Jest, it provides support for mocking and snapshot testing, comes with an assertion library, and tests in Jest are written in the Behavior-Driven Development (BDD) style.
To learn more about Jest, read the documentation at https://facebook.github.io/jest/docs/en/getting-started.html.
Besides testing the React components, Jest can be also be adapted to write test code for the Node-Express-Mongoose-based backend as required. Hence, it is a solid testing ...
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