public function PageCacheTest::testCacheableResponseResponses in Zircon Profile 8
Same name and namespace in other branches
- 8.0 core/modules/page_cache/src/Tests/PageCacheTest.php \Drupal\page_cache\Tests\PageCacheTest::testCacheableResponseResponses()
Tests cacheability of a CacheableResponse.
Tests the difference between having a controller return a plain Symfony Response object versus returning a Response object that implements the CacheableResponseInterface.
File
- core/
modules/ page_cache/ src/ Tests/ PageCacheTest.php, line 447 - Contains \Drupal\page_cache\Tests\PageCacheTest.
Class
- PageCacheTest
- Enables the page cache and tests it with various HTTP requests.
Namespace
Drupal\page_cache\TestsCode
public function testCacheableResponseResponses() {
$config = $this
->config('system.performance');
$config
->set('cache.page.max_age', 300);
$config
->save();
// GET a URL, which would be marked as a cache miss if it were cacheable.
$this
->drupalGet('/system-test/respond-reponse');
$this
->assertFalse($this
->drupalGetHeader('X-Drupal-Cache'), 'Drupal page cache header not found.');
$this
->assertEqual($this
->drupalGetHeader('Cache-Control'), 'must-revalidate, no-cache, post-check=0, pre-check=0, private', 'Cache-Control header was sent');
// GET it again, verify it's still not cached.
$this
->drupalGet('/system-test/respond-reponse');
$this
->assertFalse($this
->drupalGetHeader('X-Drupal-Cache'), 'Drupal page cache header not found.');
$this
->assertEqual($this
->drupalGetHeader('Cache-Control'), 'must-revalidate, no-cache, post-check=0, pre-check=0, private', 'Cache-Control header was sent');
// GET a URL, which would be marked as a cache miss if it were cacheable.
$this
->drupalGet('/system-test/respond-public-response');
$this
->assertFalse($this
->drupalGetHeader('X-Drupal-Cache'), 'Drupal page cache header not found.');
$this
->assertEqual($this
->drupalGetHeader('Cache-Control'), 'max-age=60, public', 'Cache-Control header was sent');
// GET it again, verify it's still not cached.
$this
->drupalGet('/system-test/respond-public-response');
$this
->assertFalse($this
->drupalGetHeader('X-Drupal-Cache'), 'Drupal page cache header not found.');
$this
->assertEqual($this
->drupalGetHeader('Cache-Control'), 'max-age=60, public', 'Cache-Control header was sent');
// GET a URL, which should be marked as a cache miss.
$this
->drupalGet('/system-test/respond-cacheable-reponse');
$this
->assertEqual($this
->drupalGetHeader('X-Drupal-Cache'), 'MISS', 'Page was not cached.');
$this
->assertEqual($this
->drupalGetHeader('Cache-Control'), 'max-age=300, public', 'Cache-Control header was sent.');
// GET it again, it should now be a cache hit.
$this
->drupalGet('/system-test/respond-cacheable-reponse');
$this
->assertEqual($this
->drupalGetHeader('X-Drupal-Cache'), 'HIT', 'Page was cached.');
$this
->assertEqual($this
->drupalGetHeader('Cache-Control'), 'max-age=300, public', 'Cache-Control header was sent.');
// Uninstall page cache. This should flush all caches so the next call to a
// previously cached page should be a miss now.
$this->container
->get('module_installer')
->uninstall([
'page_cache',
]);
// GET a URL that was cached by Page Cache before, it should not be now.
$this
->drupalGet('/respond-cacheable-reponse');
$this
->assertFalse($this
->drupalGetHeader('X-Drupal-Cache'), 'Drupal page cache header not found.');
}