Instead of checking if a state variable is true , RTL encourages you to check if a specific message appears on the screen. This approach makes tests ; you can completely rewrite your component's internal logic, and as long as the user experience remains the same, your tests will still pass. Key Features and Utilities
// Assert expect(screen.getByText(/count: 1/i)).toBeInTheDocument() }) react testing library
// setupTests.js import '@testing-library/jest-dom' import { cleanup } from '@testing-library/react' Instead of checking if a state variable is
React Testing Library encourages writing accessible, user-focused tests that give you real confidence in your application. The key is always asking: "Is this how a user would interact with and observe this component?" The key is always asking: "Is this how
React Testing Library has several advantages over other testing libraries, including:
By importing @testing-library/jest-dom , you unlock powerful matchers:
Would you like a specific example for a hook, a Redux component, or a router component?