Button.test.js - A sample React Component test file

Button.test.js

import React from 'react';
import Button from './Button.jsx';
import { expect } from 'chai';
import { shallow } from 'enzyme';

describe('foo', () => {
    it('contains spec with an expectation', () => {
        expect(shallow(<Button />).contains(<span>FooBar</span>)).to.equal(true);
    });
});