public function testTagDeletetions()
{
// Create cache entry in multiple bins.
$tags = array('test_tag' => array(1, 2, 3));
$bins = array('data', 'bootstrap', 'render');
foreach ($bins as $bin) {
$bin = \Drupal::cache($bin);
$bin->set('test', 'value', Cache::PERMANENT, $tags);
$this->assertTrue($bin->get('test'), 'Cache item was set in bin.');
}
$deletions_before = intval(db_select('cachetags')->fields('cachetags', array('deletions'))->condition('tag', 'test_tag:2')->execute()->fetchField());
Cache::deleteTags(array('test_tag' => array(2)));
// Test that cache entry has been deleted in multiple bins.
foreach ($bins as $bin) {
$bin = \Drupal::cache($bin);
$this->assertFalse($bin->get('test'), 'Tag invalidation affected item in bin.');
}
// Test that only one tag deletion has occurred.
$deletions_after = intval(db_select('cachetags')->fields('cachetags', array('deletions'))->condition('tag', 'test_tag:2')->execute()->fetchField());
$this->assertEqual($deletions_after, $deletions_before + 1, 'Only one addition cache tag deletion has occurred after deleting a tag used in multiple bins.');
}
/**
* Rebuilds the menu links and deletes the local_task cache tag.
*
* @param \Symfony\Component\EventDispatcher\Event $event
* The event object.
*/
public function onRouterRebuild(Event $event)
{
$this->menuLinksRebuild();
Cache::deleteTags(array('local_task' => 1));
}
/**
* @covers deleteTags
*
* @expectedException \LogicException
* @expectedExceptionMessage Cache tags must be strings, array given.
*/
public function testDeleteTags()
{
Cache::deleteTags(['node' => [2, 3, 5, 8, 13]]);
}
/**
* Implements Drupal\Core\Config\StorageInterface::rename().
*/
public function rename($name, $new_name)
{
// If the cache was the first to be deleted, another process might start
// rebuilding the cache before the storage is renamed.
if ($this->storage->rename($name, $new_name)) {
$this->cache->delete($this->getCacheKey($name));
$this->cache->delete($this->getCacheKey($new_name));
Cache::deleteTags(array($this::FIND_BY_PREFIX_CACHE_TAG));
$this->findByPrefixCache = array();
return TRUE;
}
return FALSE;
}
/**
* {@inheritdoc}
*/
public function clearCachedBundles()
{
$this->bundleInfo = array();
Cache::deleteTags(array('entity_bundles' => TRUE));
// Entity bundles are exposed as data types, clear that cache too.
$this->typedDataManager->clearCachedDefinitions();
}
/**
* Resets some other systems like rebuilding the route information or caches.
*/
protected function resetSystem()
{
if ($this->routeBuilder) {
$this->routeBuilder->setRebuildNeeded();
}
$this->systemListReset();
// @todo It feels wrong to have the requirement to clear the local tasks
// cache here.
Cache::deleteTags(array('local_task' => 1));
$this->themeRegistryRebuild();
}
/**
* Tests that all toolbar cache entries for a user are cleared with a cache
* tag for that user, i.e. cache entries for all languages for that user.
*/
function testCacheClearByCacheTag()
{
// Test that the toolbar admin menu subtrees cache is invalidated for a user
// across multiple languages.
$this->drupalLogin($this->admin_user);
$toolbarCache = $this->container->get('cache.toolbar');
$admin_user_id = $this->admin_user->id();
$admin_user_2_id = $this->admin_user_2->id();
// Assert that a cache tag in the toolbar cache under the key "user" exists
// for admin_user against the language "en".
$cache = $toolbarCache->get('toolbar_' . $admin_user_id . ':' . 'en');
$this->assertEqual($cache->tags[0], 'user:'******'A cache tag in the toolbar cache under the key "user" exists for admin_user against the language "en".');
// Assert that no toolbar cache exists for admin_user against the
// language "fr".
$cache = $toolbarCache->get('toolbar_' . $admin_user_id . ':' . 'fr');
$this->assertFalse($cache, 'No toolbar cache exists for admin_user against the language "fr".');
// Install a second language.
$edit = array('predefined_langcode' => 'fr');
$this->drupalPostForm('admin/config/regional/language/add', $edit, 'Add language');
// Request a page in 'fr' to update the cache.
$this->drupalGet('fr/test-page');
$this->assertResponse(200);
// Assert that a cache tag in the toolbar cache under the key "user" exists
// for admin_user against the language "fr".
$cache = $toolbarCache->get('toolbar_' . $admin_user_id . ':' . 'fr');
$this->assertEqual($cache->tags[0], 'user:'******'A cache tag in the toolbar cache under the key "user" exists for admin_user against the language "fr".');
// Log in the admin_user_2 user. We will use this user as a control to
// verify that clearing a cache tag for admin_user does not clear the cache
// for admin_user_2.
$this->drupalLogin($this->admin_user_2);
// Request a page in 'en' to create the cache.
$this->drupalGet('test-page');
$this->assertResponse(200);
// Assert that a cache tag in the toolbar cache under the key "user" exists
// for admin_user_2 against the language "en".
$cache = $toolbarCache->get('toolbar_' . $admin_user_2_id . ':' . 'en');
$this->assertEqual($cache->tags[0], 'user:'******'A cache tag in the toolbar cache under the key "user" exists for admin_user_2 against the language "en".');
// Request a page in 'fr' to create the cache.
$this->drupalGet('fr/test-page');
$this->assertResponse(200);
// Assert that a cache tag in the toolbar cache under the key "user" exists
// for admin_user against the language "fr".
$cache = $toolbarCache->get('toolbar_' . $admin_user_2_id . ':' . 'fr');
$this->assertEqual($cache->tags[0], 'user:'******'A cache tag in the toolbar cache under the key "user" exists for admin_user_2 against the language "fr".');
// Log in admin_user and clear the caches for this user using a tag.
$this->drupalLogin($this->admin_user);
Cache::deleteTags(array('user' => array($admin_user_id)));
// Assert that no toolbar cache exists for admin_user against the
// language "en".
$cache = $toolbarCache->get($admin_user_id . ':' . 'en');
$this->assertFalse($cache, 'No toolbar cache exists for admin_user against the language "en".');
// Assert that no toolbar cache exists for admin_user against the
// language "fr".
$cache = $toolbarCache->get($admin_user_id . ':' . 'fr');
$this->assertFalse($cache, 'No toolbar cache exists for admin_user against the language "fr".');
// Log in admin_user_2 and verify that this user's caches still exist.
$this->drupalLogin($this->admin_user_2);
// Assert that a cache tag in the toolbar cache under the key "user" exists
// for admin_user_2 against the language "en".
$cache = $toolbarCache->get('toolbar_' . $admin_user_2_id . ':' . 'en');
$this->assertEqual($cache->tags[0], 'user:'******'A cache tag in the toolbar cache under the key "user" exists for admin_user_2 against the language "en".');
// Assert that a cache tag in the toolbar cache under the key "user" exists
// for admin_user_2 against the language "fr".
$cache = $toolbarCache->get('toolbar_' . $admin_user_2_id . ':' . 'fr');
$this->assertEqual($cache->tags[0], 'user:'******'A cache tag in the toolbar cache under the key "user" exists for admin_user_2 against the language "fr".');
}
/**
* {@inheritdoc}
*/
public function clearCachedDefinitions()
{
if ($this->cacheBackend) {
if ($this->cacheTags) {
// Use the cache tags to clear the cache.
Cache::deleteTags($this->cacheTags);
} else {
$this->cacheBackend->delete($this->cacheKey);
}
}
$this->definitions = NULL;
}
/**
* {@inheritdoc}
*/
public function clear()
{
$this->reset();
if ($this->tags) {
Cache::deleteTags($this->tags);
} else {
$this->cache->delete($this->getCid());
}
}
/**
* Clears the class storage and cache.
*/
public function clear()
{
$this->storage = array();
$this->allStorage = array();
$this->fullyLoaded = FALSE;
Cache::deleteTags(array('views_data' => TRUE));
}
