--- /dev/null
+<?php
+
+namespace Drupal\Tests\filter\Kernel\Migrate\d6;
+
+use Drupal\filter\Plugin\migrate\process\d6\FilterFormatPermission;
+use Drupal\migrate\Plugin\Migration;
+use Drupal\Tests\migrate_drupal\Kernel\MigrateDrupalTestBase;
+
+/**
+ * Tests conversion of format serial to string id in permission name.
+ *
+ * @coversDefaultClass \Drupal\filter\Plugin\migrate\process\d6\FilterFormatPermission
+ *
+ * @group filter
+ */
+class FilterFormatPermissionTest extends MigrateDrupalTestBase {
+
+ /**
+ * Tests configurability of filter_format migration name.
+ *
+ * @covers ::__construct
+ */
+ public function testConfigurableFilterFormat() {
+ $migration = Migration::create($this->container, [], 'custom_migration', []);
+ $filterFormatPermissionMigration = FilterFormatPermission::create($this->container, ['migration' => 'custom_filter_format'], 'custom_filter_format', [], $migration);
+ $migrationPlugin = $this->readAttribute($filterFormatPermissionMigration, 'migrationPlugin');
+ $config = $this->readAttribute($migrationPlugin, 'configuration');
+
+ $this->assertEquals($config['migration'], 'custom_filter_format');
+ }
+
+}