public function GenericCacheBackendUnitTestBase::testDeleteAll

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

File

core/tests/Drupal/KernelTests/Core/Cache/GenericCacheBackendUnitTestBase.php, line 504

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.');
}