public function testGetConnectionWithoutConnectionName() { $manager = new DatabaseManager($this->zibo); $manager->registerDriver('protocol', self::DRIVER_MOCK); $connectionName = 'test'; $dsn = new Dsn('protocol://server/database'); $manager->registerConnection($connectionName, $dsn); $connection = $manager->getConnection(); $this->assertTrue($connection instanceof Driver, 'connection is not a Driver'); $this->assertTrue($connection->isConnected(), 'connection is not connected'); }