OverriddenConfigImportTest.php

<?php

namespace Drupal\Tests\language\Kernel;

use Drupal\Core\Config\ConfigImporter;
use Drupal\Core\Config\StorageComparer;
use Drupal\KernelTests\KernelTestBase;

/**
 * Tests importing of config with language overrides.
 *
 * @group language
 */
class OverriddenConfigImportTest extends KernelTestBase {
    
    /**
     * Config Importer object used for testing.
     *
     * @var \Drupal\Core\Config\ConfigImporter
     */
    protected $configImporter;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'system',
        'language',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->installConfig([
            'system',
        ]);
        $this->copyConfig($this->container
            ->get('config.storage'), $this->container
            ->get('config.storage.sync'));
        // Set up the ConfigImporter object for testing.
        $storage_comparer = new StorageComparer($this->container
            ->get('config.storage.sync'), $this->container
            ->get('config.storage'));
        $this->configImporter = new ConfigImporter($storage_comparer->createChangelist(), $this->container
            ->get('event_dispatcher'), $this->container
            ->get('config.manager'), $this->container
            ->get('lock'), $this->container
            ->get('config.typed'), $this->container
            ->get('module_handler'), $this->container
            ->get('module_installer'), $this->container
            ->get('theme_handler'), $this->container
            ->get('string_translation'), $this->container
            ->get('extension.list.module'), $this->container
            ->get('extension.list.theme'));
    }
    
    /**
     * Tests importing overridden config alongside config in the default language.
     */
    public function testConfigImportUpdates() {
        $storage = $this->container
            ->get('config.storage');
        $sync = $this->container
            ->get('config.storage.sync');
        
        /** @var \Drupal\language\ConfigurableLanguageManagerInterface $language_manager */
        $language_manager = $this->container
            ->get('language_manager');
        // Make a change to the site configuration in the default collection.
        $data = $storage->read('system.site');
        $data['name'] = 'English site name';
        $sync->write('system.site', $data);
        // Also make a change to the same config object, but using a language
        // override.
        
        /** @var \Drupal\Core\Config\StorageInterface $overridden_sync */
        $overridden_sync = $sync->createCollection('language.fr');
        $overridden_sync->write('system.site', [
            'name' => 'French site name',
        ]);
        // Before we start the import, the change to the site name should not be
        // present. This action also primes the cache in the config factory so that
        // we can test whether the cached data is correctly updated.
        $config = $this->config('system.site');
        $this->assertNotEquals('English site name', $config->getRawData()['name']);
        // Before the import is started the site name should not yet be overridden.
        $this->assertFalse($config->hasOverrides());
        $override = $language_manager->getLanguageConfigOverride('fr', 'system.site');
        $this->assertTrue($override->isNew());
        // Start the import of the new configuration.
        $this->configImporter
            ->reset()
            ->import();
        // Verify the new site name in the default language.
        $config = $this->config('system.site')
            ->getRawData();
        $this->assertEquals('English site name', $config['name']);
        // Verify the overridden site name.
        $override = $language_manager->getLanguageConfigOverride('fr', 'system.site');
        $this->assertEquals('French site name', $override->get('name'));
    }

}