function TransactionTest::testTransactionRollBackNotSupported

Tests transaction rollback on a database that doesn't support transactions.

If the active driver supports transactions, this test does nothing.

File

core/tests/Drupal/KernelTests/Core/Database/TransactionTest.php, line 173

Class

TransactionTest

Tests the transaction abstraction system.

Namespace

Code

public function testTransactionRollBackNotSupported() {
    // This test won't work right if transactions are supported.
    if ($this->connection
        ->supportsTransactions()) {
        $this->markTestSkipped("The '{$this->connection->driver()}' database driver supports transactions.");
    }
    try {
        // Create two nested transactions. Attempt to roll back from the inner one.
        $this->transactionOuterLayer('B', TRUE);
        // Because our current database claims to not support transactions,
        // the inserted rows should be present despite the attempt to roll back.
        $saved_age = $this->connection
            ->query('SELECT age FROM {test} WHERE name = :name', [
            ':name' => 'DavidB',
        ])
            ->fetchField();
        $this->assertIdentical($saved_age, '24', 'DavidB not rolled back, since transactions are not supported.');
        $saved_age = $this->connection
            ->query('SELECT age FROM {test} WHERE name = :name', [
            ':name' => 'DanielB',
        ])
            ->fetchField();
        $this->assertIdentical($saved_age, '19', 'DanielB not rolled back, since transactions are not supported.');
    } catch (\Exception $e) {
        $this->fail($e->getMessage());
    }
}