LocaleConfigurableLanguageManagerTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\locale\Kernel;

use Drupal\Core\Language\LanguageInterface;
use Drupal\language\Entity\ConfigurableLanguage;
use Drupal\KernelTests\KernelTestBase;

/**
 * Tests that the configurable language manager and locale operate correctly.
 *
 * @group locale
 */
class LocaleConfigurableLanguageManagerTest extends KernelTestBase {
    
    /**
     * A list of modules to install for this test.
     *
     * @var array
     */
    protected static $modules = [
        'language',
        'locale',
    ];
    public function testGetLanguages() : void {
        $this->installSchema('locale', [
            'locales_source',
            'locales_target',
            'locales_location',
        ]);
        $default_language = ConfigurableLanguage::create([
            'label' => $this->randomMachineName(),
            'id' => 'default',
            'weight' => 0,
        ]);
        $default_language->save();
        // Set new default language.
        \Drupal::service('language.default')->set($default_language);
        \Drupal::service('string_translation')->setDefaultLangcode($default_language->getId());
        $languages = \Drupal::service('language_manager')->getLanguages(LanguageInterface::STATE_ALL);
        $this->assertEquals([
            'default',
            'und',
            'zxx',
        ], array_keys($languages));
        $configurableLanguage = ConfigurableLanguage::create([
            'label' => $this->randomMachineName(),
            'id' => 'test',
            'weight' => 1,
        ]);
        // Simulate a configuration sync by setting the flag otherwise the locked
        // language weights would be updated whilst saving.
        // @see \Drupal\language\Entity\ConfigurableLanguage::postSave()
        $configurableLanguage->setSyncing(TRUE)
            ->save();
        $languages = \Drupal::service('language_manager')->getLanguages(LanguageInterface::STATE_ALL);
        $this->assertEquals([
            'default',
            'test',
            'und',
            'zxx',
        ], array_keys($languages));
    }

}