public function testSendsNoContentWhenFresh() {
$time = \DateTime::createFromFormat('U', time());
$that = $this;
$this
->setNextResponse(200, array(), 'Hello World', function ($request, $response) use ($that, $time) {
$response->headers
->set('Cache-Control', 'public, max-age=10');
$response->headers
->set('Last-Modified', $time
->format(DATE_RFC2822));
});
$this
->request('GET', '/');
$this
->assertHttpKernelIsCalled();
$this
->assertEquals('Hello World', $this->response
->getContent());
$this
->request('GET', '/', array(
'HTTP_IF_MODIFIED_SINCE' => $time
->format(DATE_RFC2822),
));
$this
->assertHttpKernelIsNotCalled();
$this
->assertEquals(304, $this->response
->getStatusCode());
$this
->assertEquals('', $this->response
->getContent());
}