public function testPortabilitySqlServer()
{
$portability = ConnectionPortability::PORTABILITY_SQLSRV;
$params = array('portability' => $portability);
$driverMock = $this->getMock('Doctrine\\DBAL\\Driver\\PDOSqlsrv\\Driver', array('connect'));
$driverMock->expects($this->once())->method('connect')->will($this->returnValue(null));
$connection = new ConnectionPortability($params, $driverMock);
$connection->connect($params);
$this->assertEquals($portability, $connection->getPortability());
}