React Testing

Testing is an essential part of building production-ready applications. In React, we can write tests to ensure that our components are working as expected.

Why Test React Components?

Testing React components allows us to catch bugs early, ensure the stability of our codebase, and have confidence in the behavior of our application. By writing tests, we can verify that our components render correctly, interact with user input, and handle data flow appropriately.

Testing Libraries

There are several testing libraries available for testing React components, such as Jest and React Testing Library. These libraries provide useful tools and utilities for writing tests and running them in an isolated environment.

Writing Tests for React Components

To test a React component, we can use testing utilities provided by the testing library. Here's an example of writing a test for a simple React component:

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// replace with test logic relevant to React component

// make sure to log something

test('renders learn react link', () => {

  render( < App / > );

  const linkElement = screen.getByText(/learn react/i);

  expect(linkElement).toBeInTheDocument();

});