class ConfigImportRenameValidationTest

class ConfigImportRenameValidationTest extends KernelTestBase {
  
  /**
   * Config Importer object used for testing.
   *
   * @var \Drupal\Core\Config\ConfigImporter
   */
  protected $configImporter;
  
  /**
   * Modules to enable.
   *
   * @var array
   */
  protected static $modules = [
    'system',
    'user',
    'node',
    'field',
    'text',
    'config_test',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->installEntitySchema('user');
    $this->installEntitySchema('node');
    $this->installConfig([
      'system',
      'field',
    ]);
    // 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.persistent'), $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 configuration renaming validation.
   */
  public function testRenameValidation() {
    // Create a test entity.
    $test_entity_id = $this->randomMachineName();
    $test_entity = \Drupal::entityTypeManager()->getStorage('config_test')
      ->create([
      'id' => $test_entity_id,
      'label' => $this->randomMachineName(),
    ]);
    $test_entity->save();
    $uuid = $test_entity->uuid();
    // Stage the test entity and then delete it from the active storage.
    $active = $this->container
      ->get('config.storage');
    $sync = $this->container
      ->get('config.storage.sync');
    $this->copyConfig($active, $sync);
    $test_entity->delete();
    // Create a content type with a matching UUID in the active storage.
    $content_type = NodeType::create([
      'type' => mb_strtolower($this->randomMachineName(16)),
      'name' => $this->randomMachineName(),
      'uuid' => $uuid,
    ]);
    $content_type->save();
    // Confirm that the staged configuration is detected as a rename since the
    // UUIDs match.
    $this->configImporter
      ->reset();
    $expected = [
      'node.type.' . $content_type->id() . '::config_test.dynamic.' . $test_entity_id,
    ];
    $renames = $this->configImporter
      ->getUnprocessedConfiguration('rename');
    $this->assertSame($expected, $renames);
    // Try to import the configuration. We expect an exception to be thrown
    // because the staged entity is of a different type.
    try {
      $this->configImporter
        ->import();
      $this->fail('Expected ConfigImporterException thrown when a renamed configuration entity does not match the existing entity type.');
    } catch (ConfigImporterException $e) {
      $expected = [
        new FormattableMarkup('Entity type mismatch on rename. @old_type not equal to @new_type for existing configuration @old_name and staged configuration @new_name.', [
          '@old_type' => 'node_type',
          '@new_type' => 'config_test',
          '@old_name' => 'node.type.' . $content_type->id(),
          '@new_name' => 'config_test.dynamic.' . $test_entity_id,
        ]),
      ];
      $this->assertEquals($expected, $this->configImporter
        ->getErrors());
    }
  }
  
  /**
   * Tests configuration renaming validation for simple configuration.
   */
  public function testRenameSimpleConfigValidation() {
    $uuid = new Php();
    // Create a simple configuration with a UUID.
    $config = $this->config('config_test.new');
    $uuid_value = $uuid->generate();
    $config->set('uuid', $uuid_value)
      ->save();
    $active = $this->container
      ->get('config.storage');
    $sync = $this->container
      ->get('config.storage.sync');
    $this->copyConfig($active, $sync);
    $config->delete();
    // Create another simple configuration with the same UUID.
    $config = $this->config('config_test.old');
    $config->set('uuid', $uuid_value)
      ->save();
    // Confirm that the staged configuration is detected as a rename since the
    // UUIDs match.
    $this->configImporter
      ->reset();
    $expected = [
      'config_test.old::config_test.new',
    ];
    $renames = $this->configImporter
      ->getUnprocessedConfiguration('rename');
    $this->assertSame($expected, $renames);
    // Try to import the configuration. We expect an exception to be thrown
    // because the rename is for simple configuration.
    try {
      $this->configImporter
        ->import();
      $this->fail('Expected ConfigImporterException thrown when simple configuration is renamed.');
    } catch (ConfigImporterException $e) {
      $expected = [
        new FormattableMarkup('Rename operation for simple configuration. Existing configuration @old_name and staged configuration @new_name.', [
          '@old_name' => 'config_test.old',
          '@new_name' => 'config_test.new',
        ]),
      ];
      $this->assertEquals($expected, $this->configImporter
        ->getErrors());
    }
  }

}