src/components/header/header.test.js


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import '@testing-library/jest-dom/extend-expect';

import { render } from '@testing-library/svelte';
import '$/config/i18n';
import { enableTopicActions } from '$/stores/actions';

import Header from './header.svelte';

describe('Header component', () => {

  test('Should not display topic if action is not set', () => {

    const results = render(Header);

    expect(results.queryByTitle('Reply'))
      .toBe(null);
  });

  test('Should display topic if action is set', () => {

    enableTopicActions('d138d6d8-e669-42e7-995d-20a7fcc176f5');
    const results = render(Header);

    expect(results.getByTitle('Reply'))
      .toBeVisible();
  });
});