public function testPrepending()
{
$queue = new Queue();
$queue->append(function ($req, $res, $next) use($queue) {
$queue->prepend(function ($req, $res, $next) {
$res->getBody()->write('Second!');
return $next($req, $res);
});
$res->getBody()->write('First!');
return $next($req, $res);
});
$queue->append(function ($req, $res, $next) use($queue) {
$queue->append(function ($req, $res, $next) {
$res->getBody()->write('Sixth!');
return $next($req, $res);
});
$res->getBody()->write('Third!');
return $next($req, $res);
});
$queue->append(function ($req, $res, $next) use($queue) {
$queue->prepend(function ($req, $res, $next) {
$res->getBody()->write('Fifth!');
return $next($req, $res);
});
$res->getBody()->write('Fourth!');
return $next($req, $res);
});
$this->assertEquals('First!Second!Third!Fourth!Fifth!Sixth!', (string) Runtime::run($queue)->getBody(), 'first time');
$this->assertEquals('First!Second!Third!Fourth!Fifth!Sixth!', (string) Runtime::run($queue)->getBody(), 'second time');
$this->assertEquals('First!Second!Third!Fourth!Fifth!Sixth!', (string) Runtime::run($queue)->getBody(), 'third time');
}
public function run(ServerRequestInterface $request = null, ResponseInterface $response = null)
{
return Runtime::run($this->queue, $request, $response);
}