gistfile1.php

<?php

use Silex\WebTestCase;
use Silex\Application;
use Silex\Provider\SessionServiceProvider;
use Symfony\Component\HttpFoundation\Session\Storage\MockArraySessionStorage;

class unitTest extends WebTestCase
{
    public function testUn()
    {
        $client = $this->createClient();
        $client->request('GET', '/');
        $client->request('GET', '/');
    }

    public function createApplication()
    {
        $app = new Application('test');

        $app->register(new SessionServiceProvider());

        $app['session.storage'] = $app->share(function() {
            return new MockArraySessionStorage();
        });

        $app['debug'] = true;
        $app['exception_handler']->disable();

        $app->get('/', function(Application $app) {
            $app['session']->set('pif', 'paf');

            return 'BOOM';
        });

        return $app;
    }
}