redux-devtools/packages/devui/tests/ContextMenu.test.js

import React from 'react';
import { render, mount } from 'enzyme';
import { renderToJson } from 'enzyme-to-json';
import { ContextMenu } from '../src';
import { items } from '../src/ContextMenu/stories/data';

describe('ContextMenu', function() {
  it('renders correctly', () => {
    const wrapper = render(
      <ContextMenu items={items} onClick={() => {}} x={100} y={100} />
    );
    expect(renderToJson(wrapper)).toMatchSnapshot();
  });
  it('should handle the click event', () => {
    const onClick = jest.fn();
    const wrapper = mount(
      <ContextMenu items={items} onClick={onClick} x={100} y={100} />
    );

    wrapper
      .find('button')
      .first()
      .simulate('click');
    expect(onClick).toBeCalled();
  });
});