setting-up-unit-tests-for-react-with-mocha-jsdom-and-enzyme

setting-up-unit-tests-for-react-with-mocha-jsdom-and-enzyme-2.js

import React from 'react'
import { expect } from 'chai'
import { shallow, mount } from 'enzyme'
import sinon from 'sinon'
import Form from '../Form'
import  initialState from '../../reducers/initialState'

describe('<Form />', () => {

  let state;
  let spySubmitHandler;

  beforeEach(() => {
    state = initialState.information;
    spySubmitHandler = sinon.spy();
  });

  it.only('should fire onSubmit function', () => {

    const wrapper = mount(
    <Form
      information={state}
      onSubmitHandler={spySubmitHandler}
    />);
    wrapper.find('button').simulate('click');
    sinon.assert.calledOnce(spySubmitHandler)
  });
});