import {render} from '@testing-library/react';

import Header from '../components/header/header';

jest.mock("next-auth/react", () => {
  const originalModule = jest.requireActual('next-auth/react');
  const mockSession = {
    expires: new Date(Date.now() + 2 * 86400).toISOString(),
    user: {username: "admin"}
  };
  return {
    __esModule: true,
    ...originalModule,
    useSession: jest.fn(() => {
      return {data: mockSession, status: 'authenticated'}  // return type is [] in v3 but changed to {} in v4
    }),
  };
});

describe('Header', () => {
  it('should render successfully', () => {
    const {baseElement} = render(<Header/>);
    expect(baseElement).toBeTruthy();
  });
});