function GenericCacheBackendUnitTestBase::testDeleteAll

Test Drupal\Core\Cache\CacheBackendInterface::deleteAll().

File

core/tests/Drupal/KernelTests/Core/Cache/GenericCacheBackendUnitTestBase.php, line 479

Class

GenericCacheBackendUnitTestBase

Tests any cache backend.

Namespace

Code

public function testDeleteAll() {
    $backend_a = $this->getCacheBackend();
    $backend_b = $this->getCacheBackend('bootstrap');
    // Set both expiring and permanent keys.
    $backend_a->set('test1', 1, Cache::PERMANENT);
    $backend_a->set('test2', 3, time() + 1000);
    $backend_b->set('test3', 4, Cache::PERMANENT);
    $backend_a->deleteAll();
    $this->assertFalse($backend_a->get('test1'), 'First key has been deleted.');
    $this->assertFalse($backend_a->get('test2'), 'Second key has been deleted.');
    $this->assertNotEmpty($backend_b->get('test3'), 'Item in other bin is preserved.');
}