function DriverSpecificTransactionTestBase::testRootTransactionEndCallbackCalledAfterDdlAndRollbackForTransactionalDdlDatabase

Tests post-transaction rollback executes after a DDL statement.

For database servers that support transactional DDL, a rollback of a transaction including DDL statements is possible.

File

core/tests/Drupal/KernelTests/Core/Database/DriverSpecificTransactionTestBase.php, line 875

Class

DriverSpecificTransactionTestBase

Tests the transaction abstraction system.

Namespace

Code

public function testRootTransactionEndCallbackCalledAfterDdlAndRollbackForTransactionalDdlDatabase() : void {
    if (!$this->connection
        ->supportsTransactionalDDL()) {
        $this->markTestSkipped('This test only works for database supporting transactional DDL.');
    }
    $transaction = $this->createRootTransaction('', FALSE);
    $this->connection
        ->transactionManager()
        ->addPostTransactionCallback([
        $this,
        'rootTransactionCallback',
    ]);
    $this->insertRow('row');
    $this->assertNull($this->postTransactionCallbackAction);
    // Callbacks are processed only when destructing the transaction.
    // Executing a DDL statement is not sufficient itself.
    // We cannot use truncate here, since it has protective code to fall back
    // to a transactional delete when in transaction. We drop an unrelated
    // table instead.
    $this->connection
        ->schema()
        ->dropTable('test_people');
    $this->assertNull($this->postTransactionCallbackAction);
    $this->assertRowAbsent('rtcCommit');
    $this->assertRowAbsent('rtcRollback');
    $this->assertRowPresent('row');
    // Callbacks are processed only when destructing the transaction.
    // Executing the rollback is not sufficient by itself.
    $transaction->rollBack();
    $this->assertNull($this->postTransactionCallbackAction);
    $this->assertRowAbsent('rtcCommit');
    $this->assertRowAbsent('rtcRollback');
    $this->assertRowAbsent('row');
    // Destruct the transaction.
    unset($transaction);
    // The post-transaction callback should now have inserted a 'rtcRollback'
    // row.
    $this->assertSame('rtcRollback', $this->postTransactionCallbackAction);
    $this->assertRowAbsent('rtcCommit');
    $this->assertRowPresent('rtcRollback');
    $this->assertRowAbsent('row');
}