public function GarbageCollectionTest::testGarbageCollection in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/modules/system/src/Tests/KeyValueStore/GarbageCollectionTest.php \Drupal\system\Tests\KeyValueStore\GarbageCollectionTest::testGarbageCollection()

Tests garbage collection.

File

core/modules/system/src/Tests/KeyValueStore/GarbageCollectionTest.php, line 39

Contains \Drupal\system\Tests\KeyValueStore\GarbageCollectionTest.

Class

GarbageCollectionTest

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

Namespace

Drupal\system\Tests\KeyValueStore

Code

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

  // Insert some items and confirm that they're set.
  for ($i = 0; $i <= 3; $i++) {
    $store
      ->setWithExpire('key_' . $i, $this
      ->randomObject(), rand(500, 100000));
  }
  $this
    ->assertIdentical(sizeof($store
    ->getAll()), 4, 'Four items were written to the storage.');

  // Manually expire the data.
  for ($i = 0; $i <= 3; $i++) {
    db_merge('key_value_expire')
      ->keys(array(
      'name' => 'key_' . $i,
      'collection' => $collection,
    ))
      ->fields(array(
      '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 = db_query('SELECT name, value FROM {key_value_expire} WHERE collection = :collection', array(
    ':collection' => $collection,
  ))
    ->fetchAll();
  $this
    ->assertIdentical(count($result), 1, 'Only one item remains after garbage collection');
}