jest unit testing nod code example
Example 1: what is jest
Jest is a JavaScript testing framework maintained by Facebook, Inc. with a
focus on simplicity.
It works with projects using: Babel, TypeScript, Node.js, React, Angular and
Vue.js.
It aims to work out of the box and config free.
Example 2: jest
function sum(a, b) {
return a + b;
}
module.exports = sum;
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