# jest-expo A [Jest](https://facebook.github.io/jest/) preset to painlessly test your Expo apps. If you have problems with the code in this repository, please file issues & bug reports at https://github.com/expo/expo. Thanks! ### Installation - `yarn add jest-expo --dev` or `npm i jest-expo --save-dev` - Add the following config to `package.json`: ```js "scripts": { "test": "node_modules/.bin/jest" }, "jest": { "preset": "jest-expo" } ``` - Create a `__tests__` directory anywhere you like and a `Example-test.js` file inside of it, and add this code: ```js it('works', () => { expect(1).toBe(1); }); ``` - Run `npm test` and it should pass ### Learning Jest [Read the excellent documentation](https://facebook.github.io/jest/)