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ResponseTest.php
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ResponseTest.php
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<?php
/*
* This file is part of the symfony package.
*
* (c) Fabien Potencier <fabien.potencier@symfony-project.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Tests\Component\HttpFoundation;
use Symfony\Component\HttpFoundation\Response;
class ResponseTest extends \PHPUnit_Framework_TestCase
{
public function testIsValidateable()
{
$response = new Response('', 200, array('Last-Modified' => $this->createDateTimeOneHourAgo()->format(DATE_RFC2822)));
$this->assertTrue($response->isValidateable(), '->isValidateable() returns true if Last-Modified is present');
$response = new Response('', 200, array('ETag' => '"12345"'));
$this->assertTrue($response->isValidateable(), '->isValidateable() returns true if ETag is present');
$response = new Response();
$this->assertFalse($response->isValidateable(), '->isValidateable() returns false when no validator is present');
}
public function testGetDate()
{
$response = new Response('', 200, array('Date' => $this->createDateTimeOneHourAgo()->format(DATE_RFC2822)));
$this->assertEquals(0, $this->createDateTimeOneHourAgo()->diff($response->getDate())->format('%s'), '->getDate() returns the Date header if present');
$response = new Response();
$date = $response->getDate();
$this->assertLessThan(1, $date->diff(new \DateTime(), true)->format('%s'), '->getDate() returns the current Date if no Date header present');
$response = new Response('', 200, array('Date' => $this->createDateTimeOneHourAgo()->format(DATE_RFC2822)));
$now = $this->createDateTimeNow();
$response->headers->set('Date', $now->format(DATE_RFC2822));
$this->assertEquals(0, $now->diff($response->getDate())->format('%s'), '->getDate() returns the date when the header has been modified');
}
public function testGetMaxAge()
{
$response = new Response();
$response->headers->set('Cache-Control', 's-maxage=600, max-age=0');
$this->assertEquals(600, $response->getMaxAge(), '->getMaxAge() uses s-maxage cache control directive when present');
$response = new Response();
$response->headers->set('Cache-Control', 'max-age=600');
$this->assertEquals(600, $response->getMaxAge(), '->getMaxAge() falls back to max-age when no s-maxage directive present');
$response = new Response();
$response->headers->set('Cache-Control', 'must-revalidate');
$response->headers->set('Expires', $this->createDateTimeOneHourLater()->format(DATE_RFC2822));
$this->assertEquals(3600, $response->getMaxAge(), '->getMaxAge() falls back to Expires when no max-age or s-maxage directive present');
$response = new Response();
$this->assertNull($response->getMaxAge(), '->getMaxAge() returns null if no freshness information available');
}
public function testIsPrivate()
{
$response = new Response();
$response->headers->set('Cache-Control', 'max-age=100');
$response->setPrivate();
$this->assertEquals(100, $response->headers->getCacheControlDirective('max-age'), '->isPrivate() adds the private Cache-Control directive when set to true');
$this->assertTrue($response->headers->getCacheControlDirective('private'), '->isPrivate() adds the private Cache-Control directive when set to true');
$response = new Response();
$response->headers->set('Cache-Control', 'public, max-age=100');
$response->setPrivate();
$this->assertEquals(100, $response->headers->getCacheControlDirective('max-age'), '->isPrivate() adds the private Cache-Control directive when set to true');
$this->assertTrue($response->headers->getCacheControlDirective('private'), '->isPrivate() adds the private Cache-Control directive when set to true');
$this->assertFalse($response->headers->hasCacheControlDirective('public'), '->isPrivate() removes the public Cache-Control directive');
}
public function testExpire()
{
$response = new Response();
$response->headers->set('Cache-Control', 'max-age=100');
$response->expire();
$this->assertEquals(100, $response->headers->get('Age'), '->expire() sets the Age to max-age when present');
$response = new Response();
$response->headers->set('Cache-Control', 'max-age=100, s-maxage=500');
$response->expire();
$this->assertEquals(500, $response->headers->get('Age'), '->expire() sets the Age to s-maxage when both max-age and s-maxage are present');
$response = new Response();
$response->headers->set('Cache-Control', 'max-age=5, s-maxage=500');
$response->headers->set('Age', '1000');
$response->expire();
$this->assertEquals(1000, $response->headers->get('Age'), '->expire() does nothing when the response is already stale/expired');
$response = new Response();
$response->expire();
$this->assertFalse($response->headers->has('Age'), '->expire() does nothing when the response does not include freshness information');
}
public function testGetTtl()
{
$response = new Response();
$this->assertNull($response->getTtl(), '->getTtl() returns null when no Expires or Cache-Control headers are present');
$response = new Response();
$response->headers->set('Expires', $this->createDateTimeOneHourLater()->format(DATE_RFC2822));
$this->assertLessThan(1, 3600 - $response->getTtl(), '->getTtl() uses the Expires header when no max-age is present');
$response = new Response();
$response->headers->set('Expires', $this->createDateTimeOneHourAgo()->format(DATE_RFC2822));
$this->assertLessThan(0, $response->getTtl(), '->getTtl() returns negative values when Expires is in part');
$response = new Response();
$response->headers->set('Cache-Control', 'max-age=60');
$this->assertLessThan(1, 60 - $response->getTtl(), '->getTtl() uses Cache-Control max-age when present');
}
public function testGetVary()
{
$response = new Response();
$this->assertEquals(array(), $response->getVary(), '->getVary() returns an empty array if no Vary header is present');
$response = new Response();
$response->headers->set('Vary', 'Accept-Language');
$this->assertEquals(array('Accept-Language'), $response->getVary(), '->getVary() parses a single header name value');
$response = new Response();
$response->headers->set('Vary', 'Accept-Language User-Agent X-Foo');
$this->assertEquals(array('Accept-Language', 'User-Agent', 'X-Foo'), $response->getVary(), '->getVary() parses multiple header name values separated by spaces');
$response = new Response();
$response->headers->set('Vary', 'Accept-Language,User-Agent, X-Foo');
$this->assertEquals(array('Accept-Language', 'User-Agent', 'X-Foo'), $response->getVary(), '->getVary() parses multiple header name values separated by commas');
}
public function testDefaultContentType()
{
$headerMock = $this->getMock('Symfony\Component\HttpFoundation\ResponseHeaderBag', array('set'));
$headerMock->expects($this->at(0))
->method('set')
->with('Content-Type', 'text/html; charset=UTF-8');
$headerMock->expects($this->at(1))
->method('set')
->with('Content-Type', 'text/html; charset=Foo');
$response = new Response();
$response->headers = $headerMock;
// verify first set()
$response->sendHeaders();
$response->headers->remove('Content-Type');
$response->setCharset('Foo');
// verify second set()
$response->__toString();
}
protected function createDateTimeOneHourAgo()
{
$date = new \DateTime();
return $date->sub(new \DateInterval('PT1H'));
}
protected function createDateTimeOneHourLater()
{
$date = new \DateTime();
return $date->add(new \DateInterval('PT1H'));
}
protected function createDateTimeNow()
{
return new \DateTime();
}
}