/**
* Connects a piped output stream to a piped input stream and disallows the
* connect() method of the piped output stream to be called.
*/
public function testNonReverseConnect()
{
// Initializes a piped output stream
$upstream = new PipedOutputStream();
// Initializes an event dispatcher
$dispatcher = new EventDispatcher();
// Initializes the listener
$listener = [new MarkerListener(), 'mark'];
// Adds dispatcher and listener to the piped output stream.
$upstream->setEventDispatcher($dispatcher)->addListener($upstream::EVENT_CONNECT_BEFORE, $listener);
// Initializes a piped input stream.
$input = new PipedInputStream();
// Connects the piped input stream to the piped output stream.
// But sets 'reverse' to false.
$input->connect($upstream, false, false);
// Asserts the connect() method of the output stream has not been
// called.
$this->assertNull($listener[0]->markers[0]);
}
/**
* Writes data to a piped output stream.
* A listener is listening at write.receive before event, so if the listener
* is triggered, we know the receive() method of the downstream is called.
*/
public function testOutput()
{
// Initializes a piped input stream.
$downstream = new PipedInputStream();
// Initializes a piped output stream.
$output = new PipedOutputStream($downstream);
// Initializes an event dispatcher.
$dispatcher = new EventDispatcher();
// Initializes a listener.
$listener = [new MarkerListener(), 'mark'];
// Adds the dispatcher and listener to the piped output stream.
$output->setEventDispatcher($dispatcher)->addListener($output::EVENT_WRITE_RECEIVE_BEFORE, $listener);
// Writes '*' to the piped output stream.
$data = '*';
$this->output->invoke($output, $data);
// Asserts the receive() method of the piped input stream has been
// called.
$this->assertSame($listener[0], $listener[0]->markers[0]);
// Asserts '*' has been written to the piped output stream.
$this->assertEquals($data, implode('', array_values((array) $downstream->buffer)));
}
