--- /dev/null
+<?php
+
+namespace Drupal\Tests\migrate_drupal\Kernel;
+
+use Drupal\Tests\migrate_drupal\Kernel\d6\MigrateDrupal6TestBase;
+
+/**
+ * Test that no dummy migrate_map tables are created.
+ *
+ * @group migrate_drupal
+ */
+class IdMapTableNoDummyTest extends MigrateDrupal6TestBase {
+
+ /**
+ * The migration plugin manager.
+ *
+ * @var \Drupal\migrate\Plugin\MigrationPluginManagerInterface
+ */
+ protected $pluginManager;
+
+ /**
+ * {@inheritdoc}
+ */
+ public function setUp() {
+ parent::setUp();
+ $this->pluginManager = $this->container->get('plugin.manager.migration');
+ $this->pluginManager->createInstance('d6_user');
+ }
+
+ /**
+ * Test that dummy map tables do not exist.
+ */
+ public function testNoDummyTables() {
+ $database = \Drupal::database();
+ $tables = $database->schema()->findTables('%migrate_map%');
+ $dummy_tables = preg_grep("/.*migrate_map_([0-9a-fA-F]){13}/", $tables);
+ $this->assertCount(0, $dummy_tables);
+ }
+
+}