function TransactionTest::testTransactionRollBackSupported in Zircon Profile 8
Same name and namespace in other branches
- 8.0 core/modules/system/src/Tests/Database/TransactionTest.php \Drupal\system\Tests\Database\TransactionTest::testTransactionRollBackSupported()
Tests transaction rollback on a database that supports transactions.
If the active connection does not support transactions, this test does nothing.
File
- core/
modules/ system/ src/ Tests/ Database/ TransactionTest.php, line 154 - Contains \Drupal\system\Tests\Database\TransactionTest.
Class
- TransactionTest
- Tests the transaction abstraction system.
Namespace
Drupal\system\Tests\DatabaseCode
function testTransactionRollBackSupported() {
// This test won't work right if transactions are not supported.
if (!Database::getConnection()
->supportsTransactions()) {
return;
}
try {
// Create two nested transactions. Roll back from the inner one.
$this
->transactionOuterLayer('B', TRUE);
// Neither of the rows we inserted in the two transaction layers
// should be present in the tables post-rollback.
$saved_age = db_query('SELECT age FROM {test} WHERE name = :name', array(
':name' => 'DavidB',
))
->fetchField();
$this
->assertNotIdentical($saved_age, '24', 'Cannot retrieve DavidB row after commit.');
$saved_age = db_query('SELECT age FROM {test} WHERE name = :name', array(
':name' => 'DanielB',
))
->fetchField();
$this
->assertNotIdentical($saved_age, '19', 'Cannot retrieve DanielB row after commit.');
} catch (\Exception $e) {
$this
->fail($e
->getMessage());
}
}