- Code you write to verify the behavior of your application.
- Tests are a specifications for hwo our code should work.
- Verify that engineers are following best practices and conventions for your team.
- We write tests because it allows us to ship quality code faster.
- End-to-End: Spin up your app and simulate user behaviour. Kind of like a robot performing a task in your app.
- Integration: Verify that multiple units work together.
- Unit: Verify the functionality of a single function/component.
- Static: Catch typos and errors while riting code.
const expected = true;
const actual = false;
test("it works", () => {
expect(actual).toBe(expected);
});
-
npx react-native init MyApp --template react-native-template-typescript
-
npm install --save @testing-library/react-native @testing-library/jest-native
-
Official Docs - https://testing-library.com/docs/
-
npm run test --watch
React
Typescript
Django
Laravel
Facebook
Microsoft
Google
Alibaba
D3
Tencent