# Bonus: Testing TypeScript code with Jest (Exercise) [Lessons](../../) | [Demo](../demo/) Start the test runner by running `npm test` in the root of the `frontend-bootcamp` folder. ## Basic testing 1. Look at `exercise/src/stack.ts` for a sample implementation of a stack 2. Follow the instructions inside `stack.spec.ts` file to complete the two tests ## Enzyme Testing 1. Open up `exercise/src/TestMe.spec.tsx` 2. Fill in the test using Enzyme concepts introduced in the demo