/**
* Add a layer to the stack
*
* @param ProtocolLayer\ProtocolLayerInterface $layer
* @param constant $placement (self::LAYER_PLACEMENT_*)
* @return Server
*/
public function addProtocolLayer(ProtocolLayer\ProtocolLayerInterface $layer, $placement)
{
$this->protocolLayerStack->addLayer($layer, $placement, $this->currentProtocolLayer);
$this->currentProtocolLayer = $layer;
return $this;
}
public function testHandleRequest()
{
$stack = new ProtocolLayerStack();
$layerA = new \ClientProtocolLayer();
$layerB = new \ClientProtocolLayer();
$stack->addLayer($layerA, ProtocolLayerStack::PLACEMENT_TOP);
$stack->addLayer($layerB, ProtocolLayerStack::PLACEMENT_TOP);
$resultA = $stack->handleRequest('hello');
$resultB = $stack->handleRequest('something');
$this->assertEquals('world', $resultA);
$this->assertEquals('something', $resultB);
}
