Testing Boilerplate for a React Testing Library Test

testing_library_test_boilerplate.js

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

const defaultProps = {
  someProp: 'someValue',
};

const setup = props => {
  const propsWithDefaults = { ...defaultProps, ...props };

  return render(<Component someProp={propsWithDefaults.someProp} />);
};

describe('The Example component', () => {
    beforeAll(() => {
      // configure mocks
    });

    afterAll(() => {
      // tear down mocks to prevent leaking into other test suites
    });
  
  it('does things', () => {

    const { debug } = setup();

    debug();
  });

  it('does different things with other props', () => {

    const { debug } = setup({ someProp: 'someOtherValue' });

    debug();
  });
});