MigrateMissingDatabaseTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\migrate_drupal\Kernel;

use Drupal\Core\Database\Database;
use Drupal\KernelTests\KernelTestBase;
use Drupal\migrate\Plugin\MigrateIdMapInterface;
use Drupal\migrate\Plugin\MigrationInterface;

/**
 * Tests that a migration can be instantiated without a database connection.
 *
 * @group migrate_drupal
 */
class MigrateMissingDatabaseTest extends KernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'migrate',
        'migrate_drupal',
        'node',
    ];
    
    /**
     * The migration plugin manager.
     *
     * @var \Drupal\migrate\Plugin\MigrationPluginManager
     */
    protected $migrationPluginManager;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->migrationPluginManager = \Drupal::service('plugin.manager.migration');
        // Set the 'migrate' database connection to use a missing host.
        $info = Database::getConnectionInfo('default')['default'];
        $info['host'] = 'does_not_exist';
        Database::addConnectionInfo('migrate', 'default', $info);
    }
    
    /**
     * Tests that a migration can be instantiated with the node module enabled.
     *
     * When the migrate_drupal and node modules are enabled, the migration
     * derivers call checkRequirements() whenever createInstance() is used. If the
     * database connection is not available, then Migration::setUpDatabase()
     * throws an exception. Check that the exception is caught and the migration
     * can still be used to access its IdMap.
     */
    public function testMissingDatabase() : void {
        $migration = $this->migrationPluginManager
            ->createInstance('d7_node_type');
        $this->assertInstanceOf(MigrationInterface::class, $migration);
        $this->assertInstanceOf(MigrateIdMapInterface::class, $migration->getIdMap());
    }

}