public function GarbageCollectionTest::testGarbageCollection in Drupal 8

Same name and namespace in other branches

1. 9 core/tests/Drupal/KernelTests/Core/KeyValueStore/GarbageCollectionTest.php \Drupal\KernelTests\Core\KeyValueStore\GarbageCollectionTest::testGarbageCollection()

Tests garbage collection.

File

core/tests/Drupal/KernelTests/Core/KeyValueStore/GarbageCollectionTest.php, line 34

Class

GarbageCollectionTest

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

Namespace

Drupal\KernelTests\Core\KeyValueStore

Code

public function testGarbageCollection() {
  $collection = $this
    ->randomMachineName();
  $connection = Database::getConnection();
  $store = new DatabaseStorageExpirable($collection, new PhpSerialize(), $connection);

  // 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' => REQUEST_TIME - 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
    ->query('SELECT name, value FROM {key_value_expire} WHERE collection = :collection', [
    ':collection' => $collection,
  ])
    ->fetchAll();
  $this
    ->assertCount(1, $result, 'Only one item remains after garbage collection');
}