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/*
* SonarQube
* Copyright (C) 2009-2021 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
import { mount, shallow } from 'enzyme';
import * as React from 'react';
import { waitAndUpdate } from '../../helpers/testUtils';
import { lazyLoadComponent } from '../lazyLoadComponent';
const factory = jest.fn().mockImplementation(() => import('../controls/Checkbox'));
beforeEach(() => {
factory.mockClear();
});
it('should lazy load and display the component', async () => {
const LazyComponent = lazyLoadComponent(factory);
const wrapper = mount(<LazyComponent />);
expect(wrapper).toMatchSnapshot();
expect(wrapper.render()).toMatchSnapshot();
expect(factory).toBeCalledTimes(1);
await waitAndUpdate(wrapper);
expect(wrapper).toMatchSnapshot();
expect(wrapper.render()).toMatchSnapshot();
expect(factory).toBeCalledTimes(1);
});
it('should correctly handle import errors', () => {
const LazyComponent = lazyLoadComponent(factory);
const wrapper = mount(<LazyComponent />);
wrapper.find('Suspense').simulateError({ request: 'test' });
expect(wrapper.find('Alert').exists()).toBe(true);
});
it('should correctly set given display name', () => {
const LazyComponent = lazyLoadComponent(factory, 'CustomDisplayName');
const wrapper = shallow(
<div>
<LazyComponent />
</div>
);
expect(wrapper).toMatchSnapshot();
});
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