PageCacheTest.php
Same filename in other branches
Namespace
Drupal\Tests\page_cache\FunctionalFile
-
core/
modules/ page_cache/ tests/ src/ Functional/ PageCacheTest.php
View source
<?php
namespace Drupal\Tests\page_cache\Functional;
use Drupal\Component\Datetime\DateTimePlus;
use Drupal\Core\Site\Settings;
use Drupal\Core\Url;
use Drupal\entity_test\Entity\EntityTest;
use Drupal\Core\Cache\Cache;
use Drupal\Tests\BrowserTestBase;
use Drupal\Tests\system\Functional\Cache\AssertPageCacheContextsAndTagsTrait;
use Drupal\user\RoleInterface;
/**
* Enables the page cache and tests it with various HTTP requests.
*
* @group page_cache
*/
class PageCacheTest extends BrowserTestBase {
use AssertPageCacheContextsAndTagsTrait;
protected $dumpHeaders = TRUE;
/**
* Modules to enable.
*
* @var array
*/
public static $modules = [
'test_page_test',
'system_test',
'entity_test',
];
/**
* {@inheritdoc}
*/
protected $defaultTheme = 'stark';
/**
* {@inheritdoc}
*/
protected function setUp() {
parent::setUp();
$this->config('system.site')
->set('name', 'Drupal')
->set('page.front', '/test-page')
->save();
}
/**
* Test that cache tags are properly persisted.
*
* Since tag based invalidation works, we know that our tag properly
* persisted.
*/
public function testPageCacheTags() {
$config = $this->config('system.performance');
$config->set('cache.page.max_age', 300);
$config->save();
$path = 'system-test/cache_tags_page';
$tags = [
'system_test_cache_tags_page',
];
$this->drupalGet($path);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS');
// Verify a cache hit, but also the presence of the correct cache tags.
$this->drupalGet($path);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT');
$cid_parts = [
Url::fromRoute('system_test.cache_tags_page', [], [
'absolute' => TRUE,
])->toString(),
'',
];
$cid = implode(':', $cid_parts);
$cache_entry = \Drupal::cache('page')->get($cid);
sort($cache_entry->tags);
$expected_tags = [
'config:user.role.anonymous',
'http_response',
'pre_render',
'rendered',
'system_test_cache_tags_page',
];
$this->assertIdentical($cache_entry->tags, $expected_tags);
Cache::invalidateTags($tags);
$this->drupalGet($path);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS');
}
/**
* Test that the page cache doesn't depend on cacheability headers.
*/
public function testPageCacheTagsIndependentFromCacheabilityHeaders() {
// Disable the cacheability headers.
$this->setContainerParameter('http.response.debug_cacheability_headers', FALSE);
$this->rebuildContainer();
$this->resetAll();
$path = 'system-test/cache_tags_page';
$tags = [
'system_test_cache_tags_page',
];
$this->drupalGet($path);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS');
// Verify a cache hit, but also the presence of the correct cache tags.
$this->drupalGet($path);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT');
$cid_parts = [
Url::fromRoute('system_test.cache_tags_page', [], [
'absolute' => TRUE,
])->toString(),
'',
];
$cid = implode(':', $cid_parts);
$cache_entry = \Drupal::cache('page')->get($cid);
sort($cache_entry->tags);
$expected_tags = [
'config:user.role.anonymous',
'http_response',
'pre_render',
'rendered',
'system_test_cache_tags_page',
];
$this->assertIdentical($cache_entry->tags, $expected_tags);
Cache::invalidateTags($tags);
$this->drupalGet($path);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS');
}
/**
* Tests support for different cache items with different request formats
* specified via a query parameter.
*/
public function testQueryParameterFormatRequests() {
$config = $this->config('system.performance');
$config->set('cache.page.max_age', 300);
$config->save();
$accept_header_cache_url = Url::fromRoute('system_test.page_cache_accept_header');
$accept_header_cache_url_with_json = Url::fromRoute('system_test.page_cache_accept_header', [
'_format' => 'json',
]);
$this->drupalGet($accept_header_cache_url);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS', 'HTML page was not yet cached.');
$this->drupalGet($accept_header_cache_url);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT', 'HTML page was cached.');
$this->assertRaw('<p>oh hai this is html.</p>', 'The correct HTML response was returned.');
$this->drupalGet($accept_header_cache_url_with_json);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS', 'Json response was not yet cached.');
$this->drupalGet($accept_header_cache_url_with_json);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT', 'Json response was cached.');
$this->assertRaw('{"content":"oh hai this is json"}', 'The correct Json response was returned.');
// Enable REST support for nodes and hal+json.
\Drupal::service('module_installer')->install([
'node',
'rest',
'hal',
'basic_auth',
]);
$this->drupalCreateContentType([
'type' => 'article',
]);
$node = $this->drupalCreateNode([
'type' => 'article',
]);
$node_uri = $node->toUrl();
$node_url_with_hal_json_format = $node->toUrl('canonical')
->setRouteParameter('_format', 'hal_json');
$this->drupalGet($node_uri);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS');
$this->assertEqual($this->drupalGetHeader('Content-Type'), 'text/html; charset=UTF-8');
$this->drupalGet($node_uri);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT');
$this->assertEqual($this->drupalGetHeader('Content-Type'), 'text/html; charset=UTF-8');
// Now request a HAL page, we expect that the first request is a cache miss
// and it serves HTML.
$this->drupalGet($node_url_with_hal_json_format);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS');
$this->assertEqual($this->drupalGetHeader('Content-Type'), 'application/hal+json');
$this->drupalGet($node_url_with_hal_json_format);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT');
$this->assertEqual($this->drupalGetHeader('Content-Type'), 'application/hal+json');
// Clear the page cache. After that request a HAL request, followed by an
// ordinary HTML one.
\Drupal::cache('page')->deleteAll();
$this->drupalGet($node_url_with_hal_json_format);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS');
$this->assertEqual($this->drupalGetHeader('Content-Type'), 'application/hal+json');
$this->drupalGet($node_url_with_hal_json_format);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT');
$this->assertEqual($this->drupalGetHeader('Content-Type'), 'application/hal+json');
$this->drupalGet($node_uri);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS');
$this->assertEqual($this->drupalGetHeader('Content-Type'), 'text/html; charset=UTF-8');
$this->drupalGet($node_uri);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT');
$this->assertEqual($this->drupalGetHeader('Content-Type'), 'text/html; charset=UTF-8');
}
/**
* Tests support of requests with If-Modified-Since and If-None-Match headers.
*/
public function testConditionalRequests() {
$config = $this->config('system.performance');
$config->set('cache.page.max_age', 300);
$config->save();
// Fill the cache.
$this->drupalGet('');
// Verify the page is not printed twice when the cache is cold.
$this->assertSession()
->responseNotMatches('#<html.*<html#');
$this->drupalGet('');
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT', 'Page was cached.');
$etag = $this->drupalGetHeader('ETag');
$last_modified = $this->drupalGetHeader('Last-Modified');
// Ensure a conditional request returns 304 Not Modified.
$this->drupalGet('', [], [
'If-Modified-Since' => $last_modified,
'If-None-Match' => $etag,
]);
$this->assertSession()
->statusCodeEquals(304);
// Ensure a conditional request with obsolete If-Modified-Since date
// returns 304 Not Modified.
$this->drupalGet('', [], [
'If-Modified-Since' => gmdate(DATE_RFC822, strtotime($last_modified)),
'If-None-Match' => $etag,
]);
$this->assertSession()
->statusCodeEquals(304);
// Ensure a conditional request with obsolete If-Modified-Since date
// returns 304 Not Modified.
$this->drupalGet('', [], [
'If-Modified-Since' => gmdate(DATE_RFC850, strtotime($last_modified)),
'If-None-Match' => $etag,
]);
$this->assertSession()
->statusCodeEquals(304);
// Ensure a conditional request without If-None-Match returns 200 OK.
$this->drupalGet('', [], [
'If-Modified-Since' => $last_modified,
'If-None-Match' => NULL,
]);
// Verify the page is not printed twice when the cache is warm.
$this->assertSession()
->responseNotMatches('#<html.*<html#');
$this->assertSession()
->statusCodeEquals(200);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT', 'Page was cached.');
// Ensure a conditional request with If-Modified-Since newer than
// Last-Modified returns 200 OK.
$this->drupalGet('', [], [
'If-Modified-Since' => gmdate(DateTimePlus::RFC7231, strtotime($last_modified) + 1),
'If-None-Match' => $etag,
]);
$this->assertSession()
->statusCodeEquals(200);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT', 'Page was cached.');
// Ensure a conditional request by an authenticated user returns 200 OK.
$user = $this->drupalCreateUser();
$this->drupalLogin($user);
$this->drupalGet('', [], [
'If-Modified-Since' => $last_modified,
'If-None-Match' => $etag,
]);
$this->assertSession()
->statusCodeEquals(200);
$this->assertNull($this->drupalGetHeader('X-Drupal-Cache'), 'Absence of Page was not cached.');
}
/**
* Tests cache headers.
*/
public function testPageCache() {
$config = $this->config('system.performance');
$config->set('cache.page.max_age', 300);
$config->save();
// Fill the cache.
$this->drupalGet('system-test/set-header', [
'query' => [
'name' => 'Foo',
'value' => 'bar',
],
]);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS', 'Page was not cached.');
$this->assertContains('cookie', explode(',', strtolower($this->drupalGetHeader('Vary'))), 'Vary header was sent.', TRUE);
// Symfony's Response logic determines a specific order for the subvalues
// of the Cache-Control header, even if they are explicitly passed in to
// the response header bag in a different order.
$this->assertEqual($this->drupalGetHeader('Cache-Control'), 'max-age=300, public', 'Cache-Control header was sent.');
$this->assertEqual($this->drupalGetHeader('Expires'), 'Sun, 19 Nov 1978 05:00:00 GMT', 'Expires header was sent.');
$this->assertEqual($this->drupalGetHeader('Foo'), 'bar', 'Custom header was sent.');
// Check cache.
$this->drupalGet('system-test/set-header', [
'query' => [
'name' => 'Foo',
'value' => 'bar',
],
]);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT', 'Page was cached.');
$this->assertContains('cookie', explode(',', strtolower($this->drupalGetHeader('Vary'))), 'Vary header was sent.', TRUE);
$this->assertEqual($this->drupalGetHeader('Cache-Control'), 'max-age=300, public', 'Cache-Control header was sent.');
$this->assertEqual($this->drupalGetHeader('Expires'), 'Sun, 19 Nov 1978 05:00:00 GMT', 'Expires header was sent.');
$this->assertEqual($this->drupalGetHeader('Foo'), 'bar', 'Custom header was sent.');
// Check replacing default headers.
$this->drupalGet('system-test/set-header', [
'query' => [
'name' => 'Expires',
'value' => 'Fri, 19 Nov 2008 05:00:00 GMT',
],
]);
$this->assertEqual($this->drupalGetHeader('Expires'), 'Fri, 19 Nov 2008 05:00:00 GMT', 'Default header was replaced.');
$this->drupalGet('system-test/set-header', [
'query' => [
'name' => 'Vary',
'value' => 'User-Agent',
],
]);
$this->assertContains('user-agent', explode(',', strtolower($this->drupalGetHeader('Vary'))), 'Default header was replaced.');
// Check that authenticated users bypass the cache.
$user = $this->drupalCreateUser();
$this->drupalLogin($user);
$this->drupalGet('system-test/set-header', [
'query' => [
'name' => 'Foo',
'value' => 'bar',
],
]);
$this->assertNull($this->drupalGetHeader('X-Drupal-Cache'), 'Caching was bypassed.');
$this->assertStringNotContainsString('cookie', $this->drupalGetHeader('Vary'), 'Vary: Cookie header was not sent.', TRUE);
$this->assertEqual($this->drupalGetHeader('Cache-Control'), 'must-revalidate, no-cache, private', 'Cache-Control header was sent.');
$this->assertEqual($this->drupalGetHeader('Expires'), 'Sun, 19 Nov 1978 05:00:00 GMT', 'Expires header was sent.');
$this->assertEqual($this->drupalGetHeader('Foo'), 'bar', 'Custom header was sent.');
// Until bubbling of max-age up to the response is supported, verify that
// a custom #cache max-age set on an element does not affect page max-age.
$this->drupalLogout();
$this->drupalGet('system-test/cache_maxage_page');
$this->assertEqual($this->drupalGetHeader('Cache-Control'), 'max-age=300, public');
}
/**
* Tests the automatic presence of the anonymous role's cache tag.
*
* The 'user.permissions' cache context ensures that if the permissions for a
* role are modified, users are not served stale render cache content. But,
* when entire responses are cached in reverse proxies, the value for the
* cache context is never calculated, causing the stale response to not be
* invalidated. Therefore, when varying by permissions and the current user is
* the anonymous user, the cache tag for the 'anonymous' role must be added.
*
* This test verifies that, and it verifies that it does not happen for other
* roles.
*/
public function testPageCacheAnonymousRolePermissions() {
$config = $this->config('system.performance');
$config->set('cache.page.max_age', 300);
$config->save();
$content_url = Url::fromRoute('system_test.permission_dependent_content');
$route_access_url = Url::fromRoute('system_test.permission_dependent_route_access');
// 1. anonymous user, without permission.
$this->drupalGet($content_url);
$this->assertText('Permission to pet llamas: no!');
$this->assertCacheContext('user.permissions');
$this->assertCacheTag('config:user.role.anonymous');
$this->drupalGet($route_access_url);
$this->assertCacheContext('user.permissions');
$this->assertCacheTag('config:user.role.anonymous');
// 2. anonymous user, with permission.
user_role_grant_permissions(RoleInterface::ANONYMOUS_ID, [
'pet llamas',
]);
$this->drupalGet($content_url);
$this->assertText('Permission to pet llamas: yes!');
$this->assertCacheContext('user.permissions');
$this->assertCacheTag('config:user.role.anonymous');
$this->drupalGet($route_access_url);
$this->assertCacheContext('user.permissions');
$this->assertCacheTag('config:user.role.anonymous');
// 3. authenticated user, without permission.
$auth_user = $this->drupalCreateUser();
$this->drupalLogin($auth_user);
$this->drupalGet($content_url);
$this->assertText('Permission to pet llamas: no!');
$this->assertCacheContext('user.permissions');
$this->assertSession()
->responseHeaderNotContains('X-Drupal-Cache-Tags', 'config:user.role.authenticated');
$this->drupalGet($route_access_url);
$this->assertCacheContext('user.permissions');
$this->assertSession()
->responseHeaderNotContains('X-Drupal-Cache-Tags', 'config:user.role.authenticated');
// 4. authenticated user, with permission.
user_role_grant_permissions(RoleInterface::AUTHENTICATED_ID, [
'pet llamas',
]);
$this->drupalGet($content_url);
$this->assertText('Permission to pet llamas: yes!');
$this->assertCacheContext('user.permissions');
$this->assertSession()
->responseHeaderNotContains('X-Drupal-Cache-Tags', 'config:user.role.authenticated');
$this->drupalGet($route_access_url);
$this->assertCacheContext('user.permissions');
$this->assertSession()
->responseHeaderNotContains('X-Drupal-Cache-Tags', 'config:user.role.authenticated');
}
/**
* Tests the 4xx-response cache tag is added and invalidated.
*/
public function testPageCacheAnonymous403404() {
$admin_url = Url::fromRoute('system.admin');
$invalid_url = 'foo/does_not_exist';
$tests = [
403 => $admin_url,
404 => $invalid_url,
];
$cache_ttl_4xx = Settings::get('cache_ttl_4xx', 3600);
foreach ($tests as $code => $content_url) {
// Anonymous user, without permissions.
$this->drupalGet($content_url);
$this->assertSession()
->statusCodeEquals($code);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS');
$this->assertCacheTag('4xx-response');
$this->drupalGet($content_url);
$this->assertSession()
->statusCodeEquals($code);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT');
$entity_values = [
'name' => $this->randomMachineName(),
'user_id' => 1,
'field_test_text' => [
0 => [
'value' => $this->randomString(),
'format' => 'plain_text',
],
],
];
$entity = EntityTest::create($entity_values);
$entity->save();
// Saving an entity clears 4xx cache tag.
$this->drupalGet($content_url);
$this->assertSession()
->statusCodeEquals($code);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS');
$this->drupalGet($content_url);
$this->assertSession()
->statusCodeEquals($code);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT');
// Rebuilding the router should invalidate the 4xx cache tag.
$this->container
->get('router.builder')
->rebuild();
$this->drupalGet($content_url);
$this->assertSession()
->statusCodeEquals($code);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS');
// Ensure the 'expire' field on the cache entry uses cache_ttl_4xx.
$cache_item = \Drupal::service('cache.page')->get($this->getUrl() . ':');
$difference = $cache_item->expire - (int) $cache_item->created;
// Given that a second might have passed we cannot be sure that
// $difference will exactly equal the default cache_ttl_4xx setting.
// Account for any timing difference or rounding errors by ensuring the
// value is within 10 seconds.
$this->assertTrue($difference > $cache_ttl_4xx - 10 && $difference < $cache_ttl_4xx + 10, "The cache entry expiry time uses the cache_ttl_4xx setting. Expire: {$cache_item->expire} Created: {$cache_item->created}");
}
// Disable 403 and 404 caching.
$settings['settings']['cache_ttl_4xx'] = (object) [
'value' => 0,
'required' => TRUE,
];
$this->writeSettings($settings);
\Drupal::service('cache.page')->deleteAll();
foreach ($tests as $code => $content_url) {
// Getting the 404 page twice should still result in a cache miss.
$this->drupalGet($content_url);
$this->drupalGet($content_url);
$this->assertSession()
->statusCodeEquals($code);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS');
}
}
/**
* Tests the omit_vary_cookie setting.
*/
public function testPageCacheWithoutVaryCookie() {
$config = $this->config('system.performance');
$config->set('cache.page.max_age', 300);
$config->save();
$settings['settings']['omit_vary_cookie'] = (object) [
'value' => TRUE,
'required' => TRUE,
];
$this->writeSettings($settings);
// Fill the cache.
$this->drupalGet('');
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS', 'Page was not cached.');
$this->assertStringNotContainsString('cookie', $this->drupalGetHeader('Vary'), 'Vary: Cookie header was not sent.', TRUE);
$this->assertEqual($this->drupalGetHeader('Cache-Control'), 'max-age=300, public', 'Cache-Control header was sent.');
// Check cache.
$this->drupalGet('');
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT', 'Page was cached.');
$this->assertStringNotContainsString('cookie', $this->drupalGetHeader('Vary'), 'Vary: Cookie header was not sent.', TRUE);
$this->assertEqual($this->drupalGetHeader('Cache-Control'), 'max-age=300, public', 'Cache-Control header was sent.');
}
/**
* Test the setting of forms to be immutable.
*/
public function testFormImmutability() {
// Install the module that provides the test form.
$this->container
->get('module_installer')
->install([
'page_cache_form_test',
]);
// Uninstall the page_cache module to verify that form is immutable
// regardless of the internal page cache module.
$this->container
->get('module_installer')
->uninstall([
'page_cache',
]);
\Drupal::service('router.builder')->rebuild();
$this->drupalGet('page_cache_form_test_immutability');
$this->assertText("Immutable: TRUE", "Form is immutable.");
// The immutable flag is set unconditionally by system_form_alter(), set
// a flag to tell page_cache_form_test_module_implements_alter() to disable
// that implementation.
\Drupal::state()->set('page_cache_bypass_form_immutability', TRUE);
\Drupal::moduleHandler()->resetImplementations();
Cache::invalidateTags([
'rendered',
]);
$this->drupalGet('page_cache_form_test_immutability');
$this->assertText("Immutable: FALSE", "Form is not immutable,");
}
/**
* 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.
*/
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-response');
$this->assertNull($this->drupalGetHeader('X-Drupal-Cache'), 'Drupal page cache header not found.');
$this->assertEqual($this->drupalGetHeader('Cache-Control'), 'must-revalidate, no-cache, private', 'Cache-Control header was sent');
// GET it again, verify it's still not cached.
$this->drupalGet('/system-test/respond-response');
$this->assertNull($this->drupalGetHeader('X-Drupal-Cache'), 'Drupal page cache header not found.');
$this->assertEqual($this->drupalGetHeader('Cache-Control'), 'must-revalidate, no-cache, 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');
$this->assertNull($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');
$this->assertNull($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-response');
$this->assertEqual($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-response');
$this->assertEqual($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-response');
$this->assertNull($this->drupalGetHeader('X-Drupal-Cache'), 'Drupal page cache header not found.');
}
/**
* Tests that HEAD requests are treated the same as GET requests.
*/
public function testHead() {
/** @var \GuzzleHttp\ClientInterface $client */
$client = $this->getSession()
->getDriver()
->getClient()
->getClient();
// GET, then HEAD.
$url_a = $this->buildUrl('system-test/set-header', [
'query' => [
'name' => 'Foo',
'value' => 'bar',
],
]);
$response_body = $this->drupalGet($url_a);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS', 'Page was not cached.');
$this->assertEqual($this->drupalGetHeader('Foo'), 'bar', 'Custom header was sent.');
$this->assertEqual('The following header was set: <em class="placeholder">Foo</em>: <em class="placeholder">bar</em>', $response_body);
$response = $client->request('HEAD', $url_a);
$this->assertEqual($response->getHeaderLine('X-Drupal-Cache'), 'HIT', 'Page was cached.');
$this->assertEqual($response->getHeaderLine('Foo'), 'bar', 'Custom header was sent.');
$this->assertEqual('', $response->getBody()
->getContents());
// HEAD, then GET.
$url_b = $this->buildUrl('system-test/set-header', [
'query' => [
'name' => 'Foo',
'value' => 'baz',
],
]);
$response = $client->request('HEAD', $url_b);
$this->assertEqual($response->getHeaderLine('X-Drupal-Cache'), 'MISS', 'Page was not cached.');
$this->assertEqual($response->getHeaderLine('Foo'), 'baz', 'Custom header was sent.');
$this->assertEqual('', $response->getBody()
->getContents());
$response_body = $this->drupalGet($url_b);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT', 'Page was cached.');
$this->assertEqual($this->drupalGetHeader('Foo'), 'baz', 'Custom header was sent.');
$this->assertEqual('The following header was set: <em class="placeholder">Foo</em>: <em class="placeholder">baz</em>', $response_body);
}
/**
* Test a cacheable response with custom cache control.
*/
public function testCacheableWithCustomCacheControl() {
$config = $this->config('system.performance');
$config->set('cache.page.max_age', 300);
$config->save();
$this->drupalGet('/system-test/custom-cache-control');
$this->assertSession()
->statusCodeEquals(200);
$this->assertSession()
->responseHeaderEquals('Cache-Control', 'bar, private');
}
/**
* Test that URLs are cached in a not normalized form.
*/
public function testNoUrlNormalization() {
// Use absolute URLs to avoid any processing.
$url = Url::fromRoute('<front>')->setAbsolute()
->toString();
// In each test, the first array value is raw URL, the second one is the
// possible normalized URL.
$tests = [
[
$url . '?z=z&a=a',
$url . '?a=a&z=z',
],
[
$url . '?a=b+c',
$url . '?a=b%20c',
],
];
foreach ($tests as list($url_raw, $url_normalized)) {
// Initialize cache on raw URL.
$headers = $this->getHeaders($url_raw);
$this->assertEquals('MISS', $headers['X-Drupal-Cache']);
// Ensure cache was set.
$headers = $this->getHeaders($url_raw);
$this->assertEquals('HIT', $headers['X-Drupal-Cache'], "Cache was set for {$url_raw} URL.");
// Check if the normalized URL is not cached.
$headers = $this->getHeaders($url_normalized);
$this->assertEquals('MISS', $headers['X-Drupal-Cache'], "Cache is missing for {$url_normalized} URL.");
}
}
/**
* Retrieves only the headers for an absolute path.
*
* Executes a cURL request without any modifications to the given URL.
* Note that Guzzle always normalizes URLs which prevents testing all
* possible edge cases.
*
* @param string $url
* URL to request.
*
* @return array
* Array of headers.
*/
protected function getHeaders($url) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HEADER, TRUE);
curl_setopt($ch, CURLOPT_NOBODY, TRUE);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_USERAGENT, drupal_generate_test_ua($this->databasePrefix));
$output = curl_exec($ch);
curl_close($ch);
$headers = [];
foreach (explode("\n", $output) as $header) {
if (strpos($header, ':')) {
list($key, $value) = explode(':', $header, 2);
$headers[trim($key)] = trim($value);
}
}
return $headers;
}
}
Classes
Title | Deprecated | Summary |
---|---|---|
PageCacheTest | Enables the page cache and tests it with various HTTP requests. |
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