ConfigLanguageOverrideWebTest.php

<?php

namespace Drupal\Tests\config\Functional;

use Drupal\Core\Language\LanguageInterface;
use Drupal\language\Entity\ConfigurableLanguage;
use Drupal\Tests\BrowserTestBase;

/**
 * Tests language overrides applied through the website.
 *
 * @group config
 */
class ConfigLanguageOverrideWebTest extends BrowserTestBase {
    
    /**
     * Modules to install.
     *
     * @var array
     */
    protected static $modules = [
        'block',
        'language',
        'system',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
    }
    
    /**
     * Tests translating the site name.
     */
    public function testSiteNameTranslation() {
        $adminUser = $this->drupalCreateUser([
            'administer site configuration',
            'administer languages',
        ]);
        $this->drupalLogin($adminUser);
        // Add a custom language.
        $langcode = 'xx';
        $name = $this->randomMachineName(16);
        $edit = [
            'predefined_langcode' => 'custom',
            'langcode' => $langcode,
            'label' => $name,
            'direction' => LanguageInterface::DIRECTION_LTR,
        ];
        $this->drupalGet('admin/config/regional/language/add');
        $this->submitForm($edit, 'Add custom language');
        \Drupal::languageManager()->getLanguageConfigOverride($langcode, 'system.site')
            ->set('name', 'XX site name')
            ->save();
        // Place branding block with site name into header region.
        $this->drupalPlaceBlock('system_branding_block', [
            'region' => 'header',
        ]);
        $this->drupalLogout();
        // The home page in English should not have the override.
        $this->drupalGet('');
        $this->assertSession()
            ->pageTextNotContains('XX site name');
        // During path resolution the system.site configuration object is used to
        // determine the front page. This occurs before language negotiation causing
        // the configuration factory to cache an object without the correct
        // overrides. We are testing that the configuration factory is
        // re-initialized after language negotiation. Ensure that it applies when
        // we access the XX front page.
        // @see \Drupal\Core\PathProcessor::processInbound()
        $this->drupalGet('xx');
        $this->assertSession()
            ->pageTextContains('XX site name');
        // Set the xx language to be the default language and delete the English
        // language so the site is no longer multilingual and confirm configuration
        // overrides still work.
        $language_manager = \Drupal::languageManager()->reset();
        $this->assertTrue($language_manager->isMultilingual(), 'The test site is multilingual.');
        $this->config('system.site')
            ->set('default_langcode', 'xx')
            ->save();
        ConfigurableLanguage::load('en')->delete();
        $this->assertFalse($language_manager->isMultilingual(), 'The test site is monolingual.');
        $this->drupalGet('xx');
        $this->assertSession()
            ->pageTextContains('XX site name');
    }

}