Asked by: Noor Zhitarev
asked in category: General Last Updated: 30th June, 2020

What is jest in node JS?

Jest is a JavaScript test runner, that is, a JavaScript library for creating, running, and structuring tests. Jest is distributed as an NPM package, you can install it in any JavaScript project. Jest is one of the most popular test runner these days and the default choice for Create React App.

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Accordingly, what is jest used for?

Jest is a library for testing JavaScript code. It's an open source project maintained by Facebook, and it's especially well suited for React code testing, although not limited to that: it can test any JavaScript code.

Additionally, what is jest coverage? Jest come with functionality of generating report which help us in understanding test coverages. this coverage include statement , functional , branch coverages. This is one example of test coverage report generated for test react app. so what is mean of statement, Branches , functions , lines coverages etc.

Hereof, does jest use node?

Jest - Jest is a JavaScript testing framework developed by Facebook. It works out of the box with minimal configuration and has in-built test runner, assertion library and mocking support. Supertest - A library for testing Node.

What is the purpose of node JS?

Node. js is a platform built on Chrome's JavaScript runtime for easily building fast and scalable network applications. Node. js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.

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