LanguageConfigSchemaTest.php

<?php

namespace Drupal\Tests\language\Functional;

use Drupal\Tests\SchemaCheckTestTrait;
use Drupal\Tests\BrowserTestBase;

/**
 * Ensures the language config schema is correct.
 *
 * @group language
 */
class LanguageConfigSchemaTest extends BrowserTestBase {
    use SchemaCheckTestTrait;
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'language',
        'menu_link_content',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * A user with administrative permissions.
     *
     * @var \Drupal\user\UserInterface
     */
    protected $adminUser;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        // Create user.
        $this->adminUser = $this->drupalCreateUser([
            'administer languages',
        ]);
        $this->drupalLogin($this->adminUser);
    }
    
    /**
     * Tests whether the language config schema is valid.
     */
    public function testValidLanguageConfigSchema() {
        // Make sure no language configuration available by default.
        $config_data = $this->config('language.settings')
            ->get();
        $this->assertTrue(empty($config_data));
        $settings_path = 'admin/config/regional/content-language';
        // Enable translation for menu link.
        $edit['entity_types[menu_link_content]'] = TRUE;
        $edit['settings[menu_link_content][menu_link_content][settings][language][language_alterable]'] = TRUE;
        // Enable translation for user.
        $edit['entity_types[user]'] = TRUE;
        $edit['settings[user][user][settings][language][language_alterable]'] = TRUE;
        $edit['settings[user][user][settings][language][langcode]'] = 'en';
        $this->drupalPostForm($settings_path, $edit, t('Save configuration'));
        $config_data = $this->config('language.content_settings.menu_link_content.menu_link_content');
        // Make sure configuration saved correctly.
        $this->assertTrue($config_data->get('language_alterable'));
        $this->assertConfigSchema(\Drupal::service('config.typed'), $config_data->getName(), $config_data->get());
    }

}