How can I use Jest with React Native Testing Library?

How can I use Jest with React Native Testing Library?

You can use Jest as your testing framework along with React Native Testing Library to test your React Native components. First, ensure you have both libraries installed.

What are the steps to set it up?

1. Install Jest and React Native Testing Library using npm or yarn.
2. Create a test file for your component.
3. Write your test cases using the render method from React Native Testing Library.

Can you show me an example test case?

Sure! Here's a simple example:

import React from 'react';
import { render } from '@testing-library/react-native';
import MyComponent from './MyComponent';

test('it renders correctly', () => {
  const { getByText } = render(<MyComponent />);
  expect(getByText('Hello World')).toBeTruthy();
});

What should I do if my tests fail?

If your tests fail, check the error messages for clues. Ensure your component is rendering as expected and that your test cases are correctly written.