function ChainedFastBackendTest::createCacheBackend

Creates a new instance of ChainedFastBackend.

Return value

\Drupal\Core\Cache\ChainedFastBackend A new ChainedFastBackend object.

Overrides GenericCacheBackendUnitTestBase::createCacheBackend

File

core/tests/Drupal/KernelTests/Core/Cache/ChainedFastBackendTest.php, line 22

Class

ChainedFastBackendTest

Unit test of the fast chained backend using the generic cache unit test base.

Namespace

Code

protected function createCacheBackend($bin) {
    $consistent_backend = new DatabaseBackend(\Drupal::service('database'), \Drupal::service('cache_tags.invalidator.checksum'), $bin, 100);
    $fast_backend = new PhpBackend($bin, \Drupal::service('cache_tags.invalidator.checksum'));
    $backend = new ChainedFastBackend($consistent_backend, $fast_backend, $bin);
    // Explicitly register the cache bin as it can not work through the
    // cache bin list in the container.
    \Drupal::service('cache_tags.invalidator')->addInvalidator($backend);
    return $backend;
}