public function TransactionTest::testTransactionWithDdlStatement in Drupal 9

Same name and namespace in other branches

1. 8 core/tests/Drupal/KernelTests/Core/Database/TransactionTest.php \Drupal\KernelTests\Core\Database\TransactionTest::testTransactionWithDdlStatement()

Tests the compatibility of transactions with DDL statements.

File

core/tests/Drupal/KernelTests/Core/Database/TransactionTest.php, line 189

Class

TransactionTest

Tests the transaction abstraction system.

Namespace

Drupal\KernelTests\Core\Database

Code

public function testTransactionWithDdlStatement() {

  // First, test that a commit works normally, even with DDL statements.
  $transaction = $this->connection
    ->startTransaction();
  $this
    ->insertRow('row');
  $this
    ->executeDDLStatement();
  unset($transaction);
  $this
    ->assertRowPresent('row');

  // Even in different order.
  $this
    ->cleanUp();
  $transaction = $this->connection
    ->startTransaction();
  $this
    ->executeDDLStatement();
  $this
    ->insertRow('row');
  unset($transaction);
  $this
    ->assertRowPresent('row');

  // Even with stacking.
  $this
    ->cleanUp();
  $transaction = $this->connection
    ->startTransaction();
  $transaction2 = $this->connection
    ->startTransaction();
  $this
    ->executeDDLStatement();
  unset($transaction2);
  $transaction3 = $this->connection
    ->startTransaction();
  $this
    ->insertRow('row');
  unset($transaction3);
  unset($transaction);
  $this
    ->assertRowPresent('row');

  // A transaction after a DDL statement should still work the same.
  $this
    ->cleanUp();
  $transaction = $this->connection
    ->startTransaction();
  $transaction2 = $this->connection
    ->startTransaction();
  $this
    ->executeDDLStatement();
  unset($transaction2);
  $transaction3 = $this->connection
    ->startTransaction();
  $this
    ->insertRow('row');
  $transaction3
    ->rollBack();
  unset($transaction3);
  unset($transaction);
  $this
    ->assertRowAbsent('row');

  // The behavior of a rollback depends on the type of database server.
  if ($this->connection
    ->supportsTransactionalDDL()) {

    // For database servers that support transactional DDL, a rollback
    // of a transaction including DDL statements should be possible.
    $this
      ->cleanUp();
    $transaction = $this->connection
      ->startTransaction();
    $this
      ->insertRow('row');
    $this
      ->executeDDLStatement();
    $transaction
      ->rollBack();
    unset($transaction);
    $this
      ->assertRowAbsent('row');

    // Including with stacking.
    $this
      ->cleanUp();
    $transaction = $this->connection
      ->startTransaction();
    $transaction2 = $this->connection
      ->startTransaction();
    $this
      ->executeDDLStatement();
    unset($transaction2);
    $transaction3 = $this->connection
      ->startTransaction();
    $this
      ->insertRow('row');
    unset($transaction3);
    $transaction
      ->rollBack();
    unset($transaction);
    $this
      ->assertRowAbsent('row');
  }
  else {

    // For database servers that do not support transactional DDL,
    // the DDL statement should commit the transaction stack.
    $this
      ->cleanUp();
    $transaction = $this->connection
      ->startTransaction();
    $this
      ->insertRow('row');
    $this
      ->executeDDLStatement();
    try {

      // Rollback the outer transaction.
      $transaction
        ->rollBack();

      // @see \Drupal\Core\Database\Driver\mysql\Connection::rollBack()
      if (PHP_VERSION_ID >= 80000) {
        $this
          ->fail('Rolling back a transaction containing DDL should produce a warning.');
      }
    } catch (Warning $warning) {
      $this
        ->assertSame('Rollback attempted when there is no active transaction. This can cause data integrity issues.', $warning
        ->getMessage());
    }
    unset($transaction);
    $this
      ->assertRowPresent('row');
  }
}