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