Commit f4881015 authored by catch's avatar catch
Browse files

Issue #3539366 by dimitriskr, andypost, godotislate, catch: [10.6] Default DB... 

Issue #3539366 by dimitriskr, andypost, godotislate, catch: [10.6] Default DB transaction isolation set to read-committed breaks InstallerIsolationLevelExistingSettingsTest test

(cherry picked from commit 4e17688a)
parent 9e0dd594

core/modules/mysql/tests/src/Functional/InstallerIsolationLevelExistingSettingsTest.php

+9 −8
Original line number Diff line number Diff line
@@ -45,13 +45,7 @@ public function testInstaller(): void { 
    unset($driver_test_connection['isolation_level']);

    unset($driver_test_connection['init_commands']);



    Database::renameConnection('default', 'original_database_connection');

    Database::addConnectionInfo('default', 'default', $driver_test_connection);

    // Close and reopen the database connection, so the database init commands

    // get executed.

    Database::closeConnection('default', 'default');

    $connection = Database::getConnection('default', 'default');



    $query = 'SELECT @@SESSION.tx_isolation';

    // The database variable "tx_isolation" has been removed in MySQL v8.0 and

    // has been replaced by "transaction_isolation".
@@ -59,9 +53,16 @@ public function testInstaller(): void { 
    if (!$connection->isMariaDb() && version_compare($connection->version(), '8.0.0-AnyName', '>')) {

      $query = 'SELECT @@SESSION.transaction_isolation';

    }

    $original_transaction_level = $connection->query($query)->fetchField();

    Database::renameConnection('default', 'original_database_connection');

    Database::addConnectionInfo('default', 'default', $driver_test_connection);

    // Close and reopen the database connection, so the database init commands

    // get executed.

    Database::closeConnection('default', 'default');

    $connection = Database::getConnection('default', 'default');



    // Test that transaction level is REPEATABLE READ.

    $this->assertEquals('REPEATABLE-READ', $connection->query($query)->fetchField());

    // Test that transaction level has not changed.

    $this->assertEquals($original_transaction_level, $connection->query($query)->fetchField());



    // Restore the old database connection.

    Database::addConnectionInfo('default', 'default', $connection_info['default']);