/* Component test for Welcome molecule.
 * Copyright (C) 2024 André Jaenisch
 * SPDX-FileCopyrightText: 2024 André Jaenisch
 * SPDX-License-Identifier: AGPL-3.0-or-later
 *
 * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import '@testing-library/jest-dom';
import { render, screen } from '@testing-library/svelte';
import { init, locale, register } from 'svelte-i18n';

import Welcome from '../../../src/lib/components/molecules/Welcome.svelte';
import enMessages from '../../../src/lib/i18n/locales/en.json';

describe('Welcome.svelte', () => {
	beforeEach(() => {
		register('en', () => import('../../../src/lib/i18n/locales/en.json'));
		init({ fallbackLocale: 'en', initialLocale: 'en' });
		locale.set('en');
	});

	it('should mount', () => {
		// Arrange
		// Nothing to prepare

		// Act
		const { container } = render(Welcome);

		// Assert
		expect(container).toBeTruthy();
	});

	it('should have a logo', () => {
		// Arrange
		// Nothing to prepare

		// Act
		render(Welcome);

		// Assert
		// No alt text and therefore no accessible name. Turns role img into presentation
		expect(screen.getByRole('presentation')).toBeInTheDocument();
	});

	it('should have a h1', () => {
		// Arrange
		// Nothing to prepare

		// Act
		render(Welcome);
		const h1 = screen.getByRole('heading', { level: 1 });

		// Assert
		expect(h1).toBeInTheDocument();
	});

	it('should have three links', () => {
		// Arrange
		// Nothing to prepare

		// Act
		render(Welcome);
		const buttons = screen.getAllByRole('link');

		// Assert
		expect(buttons).toHaveLength(3);
	});
});