<?PHP
/**
 * This script contains tests for the home page.
 *
 * @author Joshua Ramon Enslin <joshua@museum-digital.de>
 */
declare(strict_types = 1);
use PHPUnit\Framework\TestCase;

require __DIR__ . '/../src/MDLanguagesSet.php';

/**
 * Tests for home page.
 */
final class MDLanguagesSetTest extends TestCase {
    /**
     * Test to check whether the HTML page is correctly generated.
     *
     * @author Joshua Ramon Enslin <joshua@museum-digital.de>
     * @group  ValidOutput
     *
     * @return void
     */
    public function testIso639ListIsCorrect():void {

        foreach (MDLanguagesSet::AVAILABLE_LANGUAGES as $language_code => $language_name) {

            self::assertArrayHasKey($language_code, MDLanguagesSet::LANGUAGES_ISO639_2B, 'Language ' . $language_code . ' (' . $language_name . ') has no entry in ISO639-2b language code list');
            self::assertEquals(3, strlen(MDLanguagesSet::LANGUAGES_ISO639_2B[$language_code]), 'ISO639-2b entry for language ' . $language_code . ' (' . $language_name . ') is not = 3');

        }

        foreach (MDLanguagesSet::LANGUAGES_ISO639_2B as $language_code => $language_name) {
            self::assertArrayHasKey($language_code, MDLanguagesSet::AVAILABLE_LANGUAGES, 'Language ' . $language_code . ' (' . $language_name . ') has an entry in ISO639-2b language code list, but not in the main list.');
        }

    }
}