import React from 'react';
import { shallow } from 'enzyme';
import Counter from './Counter';

it('increments count by 1 when the increment button is clicked', () => {
  const wrapper = shallow(<Counter />);
  const incrementButton = wrapper.find('button.increment');
  incrementButton.simulate('click');
  const text = wrapper.find('h1').text();
  expect(text).toEqual('Value : 1');
});