public function testValidatePort()
{
$util = new PortUtil();
$this->assertFalse($util->validatePort(22));
$this->assertFalse($util->validatePort(70000));
$this->assertFalse($util->validatePort(-1));
$this->assertFalse($util->validatePort('banana'));
$this->assertTrue($util->validatePort(3000));
$this->assertTrue($util->validatePort('3000'));
}
/**
* Automatically determine the best port for a new tunnel.
*
* @param int $default
*
* @return int
*/
protected function getPort($default = 30000)
{
$ports = [];
foreach ($this->getTunnelInfo() as $tunnel) {
$ports[] = $tunnel['localPort'];
}
return PortUtil::getPort($ports ? max($ports) + 1 : $default);
}