Jest SecurityError: localStorage is not available for opaque origins

Question

When I want to run my project with the command npm run test, I get the error below. What is causing this?

FAIL
● Test suite failed to run

SecurityE         


        

Answer 1

If you are using jsdom you have to change your setup for tests like this:

const { JSDOM } = require('jsdom');
const jsdom = new JSDOM('', {
  url: 'http://localhost/',
});```