class FieldImportDeleteTest

class FieldImportDeleteTest extends FieldKernelTestBase {
    
    /**
     * Modules to install.
     *
     * The default configuration provided by field_test_config is imported by
     * \Drupal\Tests\field\Kernel\FieldKernelTestBase::setUp() when it installs
     * field configuration.
     *
     * @var array
     */
    protected static $modules = [
        'field_test_config',
    ];
    
    /**
     * Tests deleting field storages and fields as part of config import.
     */
    public function testImportDelete() : void {
        entity_test_create_bundle('test_bundle');
        $this->installConfig([
            'field_test_config',
        ]);
        // At this point there are 5 field configuration objects in the active
        // storage.
        // - field.storage.entity_test.field_test_import
        // - field.storage.entity_test.field_test_import_2
        // - field.field.entity_test.entity_test.field_test_import
        // - field.field.entity_test.entity_test.field_test_import_2
        // - field.field.entity_test.test_bundle.field_test_import_2
        $field_name = 'field_test_import';
        $field_storage_id = "entity_test.{$field_name}";
        $field_name_2 = 'field_test_import_2';
        $field_storage_id_2 = "entity_test.{$field_name_2}";
        $field_id = "entity_test.entity_test.{$field_name}";
        $field_id_2a = "entity_test.entity_test.{$field_name_2}";
        $field_id_2b = "entity_test.test_bundle.{$field_name_2}";
        $field_storage_config_name = "field.storage.{$field_storage_id}";
        $field_storage_config_name_2 = "field.storage.{$field_storage_id_2}";
        $field_config_name = "field.field.{$field_id}";
        $field_config_name_2a = "field.field.{$field_id_2a}";
        $field_config_name_2b = "field.field.{$field_id_2b}";
        // Create an entity with data in the first field to make sure that field
        // needs to be purged.
        $entity_test = EntityTest::create([
            'type' => 'entity_test',
        ]);
        $entity_test->set($field_name, 'test data');
        $entity_test->save();
        // Create a second bundle for the 'Entity test' entity type.
        entity_test_create_bundle('test_bundle');
        // Get the uuid's for the field storages.
        $field_storage_uuid = FieldStorageConfig::load($field_storage_id)->uuid();
        $field_storage_uuid_2 = FieldStorageConfig::load($field_storage_id_2)->uuid();
        $active = $this->container
            ->get('config.storage');
        $sync = $this->container
            ->get('config.storage.sync');
        $this->copyConfig($active, $sync);
        $this->assertTrue($sync->delete($field_storage_config_name), "Deleted field storage: {$field_storage_config_name}");
        $this->assertTrue($sync->delete($field_storage_config_name_2), "Deleted field storage: {$field_storage_config_name_2}");
        $this->assertTrue($sync->delete($field_config_name), "Deleted field: {$field_config_name}");
        $this->assertTrue($sync->delete($field_config_name_2a), "Deleted field: {$field_config_name_2a}");
        $this->assertTrue($sync->delete($field_config_name_2b), "Deleted field: {$field_config_name_2b}");
        $deletes = $this->configImporter()
            ->getUnprocessedConfiguration('delete');
        $this->assertCount(5, $deletes, 'Importing configuration will delete 3 fields and 2 field storages.');
        // Import the content of the sync directory.
        $this->configImporter()
            ->import();
        // Check that the field storages and fields are gone.
        \Drupal::entityTypeManager()->getStorage('field_storage_config')
            ->resetCache([
            $field_storage_id,
        ]);
        $field_storage = FieldStorageConfig::load($field_storage_id);
        $this->assertNull($field_storage, 'The field storage was deleted.');
        \Drupal::entityTypeManager()->getStorage('field_storage_config')
            ->resetCache([
            $field_storage_id_2,
        ]);
        $field_storage_2 = FieldStorageConfig::load($field_storage_id_2);
        $this->assertNull($field_storage_2, 'The second field storage was deleted.');
        \Drupal::entityTypeManager()->getStorage('field_config')
            ->resetCache([
            $field_id,
        ]);
        $field = FieldConfig::load($field_id);
        $this->assertNull($field, 'The field was deleted.');
        \Drupal::entityTypeManager()->getStorage('field_config')
            ->resetCache([
            $field_id_2a,
        ]);
        $field_2a = FieldConfig::load($field_id_2a);
        $this->assertNull($field_2a, 'The second field on test bundle was deleted.');
        \Drupal::entityTypeManager()->getStorage('field_config')
            ->resetCache([
            $field_id_2b,
        ]);
        $field_2b = FieldConfig::load($field_id_2b);
        $this->assertNull($field_2b, 'The second field on test bundle 2 was deleted.');
        // Check that all config files are gone.
        $active = $this->container
            ->get('config.storage');
        $this->assertSame([], $active->listAll($field_storage_config_name));
        $this->assertSame([], $active->listAll($field_storage_config_name_2));
        $this->assertSame([], $active->listAll($field_config_name));
        $this->assertSame([], $active->listAll($field_config_name_2a));
        $this->assertSame([], $active->listAll($field_config_name_2b));
        // Check that only the first storage definition is preserved in state.
        $deleted_storages = \Drupal::state()->get('field.storage.deleted', []);
        $this->assertTrue(isset($deleted_storages[$field_storage_uuid]));
        $this->assertFalse(isset($deleted_storages[$field_storage_uuid_2]));
        // Purge field data, and check that the storage definition has been
        // completely removed once the data is purged.
        field_purge_batch(10);
        $deleted_storages = \Drupal::state()->get('field.storage.deleted', []);
        $this->assertEmpty($deleted_storages, 'Fields are deleted');
    }

}