public function testCacheControlHeader() { $bag = new ResponseHeaderBag(array()); $this->assertEquals('no-cache', $bag->get('Cache-Control')); $this->assertTrue($bag->hasCacheControlDirective('no-cache')); $bag = new ResponseHeaderBag(array('Cache-Control' => 'public')); $this->assertEquals('public', $bag->get('Cache-Control')); $this->assertTrue($bag->hasCacheControlDirective('public')); $bag = new ResponseHeaderBag(array('ETag' => 'abcde')); $this->assertEquals('private, must-revalidate', $bag->get('Cache-Control')); $this->assertTrue($bag->hasCacheControlDirective('private')); $this->assertTrue($bag->hasCacheControlDirective('must-revalidate')); $this->assertFalse($bag->hasCacheControlDirective('max-age')); $bag = new ResponseHeaderBag(array('Expires' => 'Wed, 16 Feb 2011 14:17:43 GMT')); $this->assertEquals('private, must-revalidate', $bag->get('Cache-Control')); $bag = new ResponseHeaderBag(array('Expires' => 'Wed, 16 Feb 2011 14:17:43 GMT', 'Cache-Control' => 'max-age=3600')); $this->assertEquals('max-age=3600, private', $bag->get('Cache-Control')); $bag = new ResponseHeaderBag(array('Last-Modified' => 'abcde')); $this->assertEquals('private, must-revalidate', $bag->get('Cache-Control')); $bag = new ResponseHeaderBag(array('Etag' => 'abcde', 'Last-Modified' => 'abcde')); $this->assertEquals('private, must-revalidate', $bag->get('Cache-Control')); $bag = new ResponseHeaderBag(array('cache-control' => 'max-age=100')); $this->assertEquals('max-age=100, private', $bag->get('Cache-Control')); $bag = new ResponseHeaderBag(array('cache-control' => 's-maxage=100')); $this->assertEquals('s-maxage=100', $bag->get('Cache-Control')); $bag = new ResponseHeaderBag(array('cache-control' => 'private, max-age=100')); $this->assertEquals('max-age=100, private', $bag->get('Cache-Control')); $bag = new ResponseHeaderBag(array('cache-control' => 'public, max-age=100')); $this->assertEquals('max-age=100, public', $bag->get('Cache-Control')); $bag = new ResponseHeaderBag(); $bag->set('Last-Modified', 'abcde'); $this->assertEquals('private, must-revalidate', $bag->get('Cache-Control')); }
public function testCacheControlHeader() { $bag = new ResponseHeaderBag(array(), 'response'); $this->assertEquals('no-cache', $bag->get('Cache-Control')); $this->assertTrue($bag->hasCacheControlDirective('no-cache')); $bag = new ResponseHeaderBag(array('Cache-Control' => 'public'), 'response'); $this->assertEquals('public', $bag->get('Cache-Control')); $this->assertTrue($bag->hasCacheControlDirective('public')); $bag = new ResponseHeaderBag(array('ETag' => 'abcde'), 'response'); $this->assertEquals('private, max-age=0, must-revalidate', $bag->get('Cache-Control')); $this->assertTrue($bag->hasCacheControlDirective('private')); $this->assertTrue($bag->hasCacheControlDirective('must-revalidate')); $this->assertEquals(0, $bag->getCacheControlDirective('max-age')); $bag = new ResponseHeaderBag(array('Last-Modified' => 'abcde'), 'response'); $this->assertEquals('private, max-age=0, must-revalidate', $bag->get('Cache-Control')); $bag = new ResponseHeaderBag(array('Etag' => 'abcde', 'Last-Modified' => 'abcde'), 'response'); $this->assertEquals('private, max-age=0, must-revalidate', $bag->get('Cache-Control')); $bag = new ResponseHeaderBag(array('cache-control' => 'max-age=100'), 'response'); $this->assertEquals('max-age=100, private', $bag->get('Cache-Control')); $bag = new ResponseHeaderBag(array('cache-control' => 's-maxage=100'), 'response'); $this->assertEquals('s-maxage=100', $bag->get('Cache-Control')); $bag = new ResponseHeaderBag(array('cache-control' => 'private, max-age=100'), 'response'); $this->assertEquals('max-age=100, private', $bag->get('Cache-Control')); $bag = new ResponseHeaderBag(array('cache-control' => 'public, max-age=100'), 'response'); $this->assertEquals('max-age=100, public', $bag->get('Cache-Control')); }
public function testReplaceWithRemove() { $bag = new ResponseHeaderBag(array()); $this->assertEquals('no-cache', $bag->get('Cache-Control')); $this->assertTrue($bag->hasCacheControlDirective('no-cache')); $bag->remove('Cache-Control'); $bag->replace(array()); $this->assertEquals('no-cache', $bag->get('Cache-Control')); $this->assertTrue($bag->hasCacheControlDirective('no-cache')); }
/** * Returns the number of seconds after the time specified in the response's Date * header when the response should no longer be considered fresh. * * First, it checks for a s-maxage directive, then a max-age directive, and then it falls * back on an expires header. It returns null when no maximum age can be established. * * @return int|null Number of seconds * * @api */ public function getMaxAge() { if ($this->headers->hasCacheControlDirective('s-maxage')) { return (int) $this->headers->getCacheControlDirective('s-maxage'); } if ($this->headers->hasCacheControlDirective('max-age')) { return (int) $this->headers->getCacheControlDirective('max-age'); } if (null !== $this->getExpires()) { return $this->getExpires()->format('U') - $this->getDate()->format('U'); } }
/** * Returns true if the response must be revalidated by caches. * * This method indicates that the response must not be served stale by a * cache in any circumstance without first revalidating with the origin. * When present, the TTL of the response should not be overridden to be * greater than the value provided by the origin. * * @return Boolean true if the response must be revalidated by a cache, false otherwise * * @api */ public function mustRevalidate() { return $this->headers->hasCacheControlDirective('must-revalidate') || $this->headers->has('proxy-revalidate'); }