class NullBackendTest

Tests the cache NullBackend.

@group Cache

Hierarchy

• class \Drupal\Tests\UnitTestCase uses \Drupal\Tests\Traits\PhpUnitWarnings, \Drupal\Tests\PhpUnitCompatibilityTrait, \Symfony\Bridge\PhpUnit\ExpectDeprecationTrait extends \PHPUnit\Framework\TestCase
  • class \Drupal\Tests\Core\Cache\NullBackendTest extends \Drupal\Tests\UnitTestCase

Expanded class hierarchy of NullBackendTest

File

core/tests/Drupal/Tests/Core/Cache/NullBackendTest.php, line 13

Namespace

class NullBackendTest extends UnitTestCase {
  
  /**
   * Tests that the NullBackend does not actually store variables.
   */
  public function testNullBackend() {
    $null_cache = new NullBackend('test');
    $key = $this->randomMachineName();
    $value = $this->randomMachineName();
    $null_cache->set($key, $value);
    $this->assertFalse($null_cache->get($key));
  }

}