public function testHandleWhenResponseIsNot200AndAltIsPresent()
{
$esi = new Esi();
$response1 = new Response('foo');
$response1->setStatusCode(404);
$response2 = new Response('bar');
$cache = $this->getCache(Request::create('/'), array($response1, $response2));
$this->assertEquals('bar', $esi->handle($cache, '/', '/alt', false));
}
<?php
require_once __DIR__ . '/resources/symfony2/HttpKernel/vendor/autoload.php';
use Symfony\Component\HttpKernel\HttpCache\Esi;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
$esi = new Esi();
$request = Request::createFromGlobals();
$response = new Response();
$content = '<h1>Exercise 12</h1>';
$content .= '<h2>Edge Side Includes</h2>';
$content .= date("Y-m-d H:i:s") . '<br/>';
if ($esi->hasSurrogateEsiCapability($request)) {
$content .= $esi->renderIncludeTag($request->getBasePath() . '/edge.php?ttl=2', null, false) . '<br />';
$content .= $esi->renderIncludeTag($request->getBasePath() . '/edge.php?ttl=0', null, false) . '<br />';
}
$content .= '<br /><a href="/">Back to index</a>';
$response->setContent($content);
$esi->addSurrogateControl($response);
$response->setSharedMaxAge(10);
$response->send();
