Enzyme expects an adapter to be configured

Question

I created a new React application by create-react-app and I wanted to write a unit test to a component named \"MessageBox\" that I created in the application. This is the un

Answer 1

Try sth like this;

import React from 'react';
import App from './containers/App';
import enzyme from 'enzyme';
import Adapter from 'enzyme-adapter-react-16';
enzyme.configure({ adapter: new Adapter() });

describe('App Screen', () => {
  let mountedAppScreen;
  let props;

  const appScreen = () => {
    if (!mountedAppScreen) {
      mountedAppScreen = enzyme.mount(
        
      );
    }
    return mountedAppScreen;
  }
  it("it always renders div", () => {
    const divs = appScreen().find("div");
    expect(divs.length).toBeGreaterThanOrEqual(1);
  });
});