function GarbageCollectionTest::testGarbageCollection

Tests garbage collection.

File

core/tests/Drupal/KernelTests/Core/KeyValueStore/GarbageCollectionTest.php, line 27

Class

GarbageCollectionTest

Tests garbage collection for the expirable key-value database storage.

Namespace

Code

public function testGarbageCollection() : void {
  $collection = $this->randomMachineName();
  $connection = Database::getConnection();
  $store = new DatabaseStorageExpirable($collection, new PhpSerialize(), $connection, \Drupal::time());
  // Insert some items and confirm that they're set.
  for ($i = 0; $i <= 3; $i++) {
    $store->setWithExpire('key_' . $i, $this->randomObject(), rand(500, 100000));
  }
  $this->assertCount(4, $store->getAll(), 'Four items were written to the storage.');
  // Manually expire the data.
  for ($i = 0; $i <= 3; $i++) {
    $connection->merge('key_value_expire')
      ->keys([
      'name' => 'key_' . $i,
      'collection' => $collection,
    ])
      ->fields([
      'expire' => \Drupal::time()->getRequestTime() - 1,
    ])
      ->execute();
  }
  // Perform a new set operation and then trigger garbage collection.
  $store->setWithExpire('autumn', 'winter', rand(500, 1000000));
  system_cron();
  // Query the database and confirm that the stale records were deleted.
  $result = $connection->select('key_value_expire', 'kvp')
    ->fields('kvp', [
    'name',
  ])
    ->condition('collection', $collection)
    ->execute()
    ->fetchAll();
  $this->assertCount(1, $result, 'Only one item remains after garbage collection');
}