expect(button).toHaveTextContent(/on/i); );
The Testing Library/React is a powerful tool for testing React applications. Its simple and intuitive API makes it easy to test your components in isolation, ensuring that they're working as expected. By following best practices and using the library's features, you can write effective tests for your React applications. testing library/react
Use userEvent (recommended over fireEvent for realistic behavior): expect(button)
Here’s a concise write-up on , covering what it is, why it’s used, and a practical example. covering what it is