function DatabaseConnectionTestCase::testConnectionRouting

Test that connections return appropriate connection objects.

File

modules/simpletest/tests/database_test.test, line 203

Class

DatabaseConnectionTestCase

Test connection management.

Code

function testConnectionRouting() {
    // Clone the master credentials to a slave connection.
    // Note this will result in two independent connection objects that happen
    // to point to the same place.
    $connection_info = Database::getConnectionInfo('default');
    Database::addConnectionInfo('default', 'slave', $connection_info['default']);
    $db1 = Database::getConnection('default', 'default');
    $db2 = Database::getConnection('slave', 'default');
    $this->assertNotNull($db1, 'default connection is a real connection object.');
    $this->assertNotNull($db2, 'slave connection is a real connection object.');
    $this->assertNotIdentical($db1, $db2, 'Each target refers to a different connection.');
    // Try to open those targets another time, that should return the same objects.
    $db1b = Database::getConnection('default', 'default');
    $db2b = Database::getConnection('slave', 'default');
    $this->assertIdentical($db1, $db1b, 'A second call to getConnection() returns the same object.');
    $this->assertIdentical($db2, $db2b, 'A second call to getConnection() returns the same object.');
    // Try to open an unknown target.
    $unknown_target = $this->randomName();
    $db3 = Database::getConnection($unknown_target, 'default');
    $this->assertNotNull($db3, 'Opening an unknown target returns a real connection object.');
    $this->assertIdentical($db1, $db3, 'An unknown target opens the default connection.');
    // Try to open that unknown target another time, that should return the same object.
    $db3b = Database::getConnection($unknown_target, 'default');
    $this->assertIdentical($db3, $db3b, 'A second call to getConnection() returns the same object.');
}