AVA

In short, AVA (not Ava or ava, pronounced /ˈeɪvə/) is a JavaScript test runner for Node.js. There are a lot of test runners out there: Mocha, Jasmine, and tape, among others. AVA is another alternative to the existing list. First of all, AVA is simple. It is really easy to set up. Besides, it runs the test in parallel by default, which means your tests will run fast. It works for both frontend and backend Javascript apps. All in all, it's certainly worth a try. Let's get started by creating a simple and basic Node.js app in the following steps:

1. Install AVA via npm and save it to the devDependencies option in the package.json file:

$ npm i ava --save-dev

2. Install Babel core and other Babel packages for us to write ES6 code in our tests for the app:

$ npm i @babel/polyfill
$ npm i @babel/core --save-dev
$ npm i @babel/preset-env --save-dev
$ npm i @babel/register --save-dev

3. Configure the test script in the package.json file as follows:

// package...