react-native Unit Testing Unit Test In React Native Using Jest


Starting from react-native version 0.38, a Jest setup is included by default when running react-native init. The following configuration should be automatically added to your package.json file:

    "scripts": {
    "start": "node node_modules/react-native/local-cli/cli.js start",
    "test": "jest"
    "jest": {
     "preset": "react-native"

You can run run npm test or jest to test in react native. For code example: Link