DefaultConfigTest.php

<?php

namespace Drupal\KernelTests\Core\Config;

use Drupal\Tests\SchemaCheckTestTrait;
use Drupal\config_test\TestInstallStorage;
use Drupal\Core\Config\InstallStorage;
use Drupal\Core\DependencyInjection\ContainerBuilder;
use Drupal\KernelTests\KernelTestBase;
use Symfony\Component\DependencyInjection\Reference;

/**
 * Tests that default configuration provided by all modules matches schema.
 *
 * @group config
 */
class DefaultConfigTest extends KernelTestBase {
    use SchemaCheckTestTrait;
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'system',
        'config_test',
    ];
    
    /**
     * Themes which provide default configuration and need enabling.
     *
     * If a theme provides default configuration but does not have a schema
     * because it can rely on schemas added by system_config_schema_info_alter()
     * then this test needs to enable it.
     *
     * @var array
     */
    protected $themes = [
        'seven',
    ];
    protected function setUp() {
        parent::setUp();
        \Drupal::service('theme_installer')->install($this->themes);
    }
    
    /**
     * {@inheritdoc}
     */
    public function register(ContainerBuilder $container) {
        parent::register($container);
        $container->register('default_config_test.schema_storage')
            ->setClass('\\Drupal\\config_test\\TestInstallStorage')
            ->addArgument(InstallStorage::CONFIG_SCHEMA_DIRECTORY);
        $definition = $container->getDefinition('config.typed');
        $definition->replaceArgument(1, new Reference('default_config_test.schema_storage'));
    }
    
    /**
     * Tests default configuration data type.
     */
    public function testDefaultConfig() {
        $typed_config = \Drupal::service('config.typed');
        // Create a configuration storage with access to default configuration in
        // every module, profile and theme.
        $default_config_storage = new TestInstallStorage();
        foreach ($default_config_storage->listAll() as $config_name) {
            // Skip files provided by the config_schema_test module since that module
            // is explicitly for testing schema.
            if (strpos($config_name, 'config_schema_test') === 0) {
                continue;
            }
            $data = $default_config_storage->read($config_name);
            $this->assertConfigSchema($typed_config, $config_name, $data);
        }
    }

}