public function testParsingADsn()
{
$dsn = new Dsn("mysqli://user:pass@hostname:3306/mydb");
$this->assertEquals($dsn->scheme, 'mysqli');
$this->assertEquals($dsn->user, 'user');
$this->assertEquals($dsn->pass, 'pass');
$this->assertEquals($dsn->host, 'hostname');
$this->assertEquals($dsn->port, 3306);
$this->assertEquals($dsn->database, 'mydb');
}