public function GarbageCollectionTest::testGarbageCollection in Service Container 7

Same name and namespace in other branches

1. 7.2 lib/Drupal/service_container/Tests/KeyValue/GarbageCollectionTest.php \Drupal\service_container\Tests\KeyValue\GarbageCollectionTest::testGarbageCollection()

Tests garbage collection.

File

lib/Drupal/service_container/Tests/KeyValue/GarbageCollectionTest.php, line 33

Contains Drupal\system\Tests\KeyValueStore\GarbageCollectionTest.

Class

GarbageCollectionTest

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

Namespace

Drupal\service_container\Tests\KeyValue

Code

public function testGarbageCollection() {
  $collection = $this
    ->randomName();
  $store = $this->container
    ->get('keyvalue.expirable.database')
    ->get($collection);

  // Insert some items and confirm that they're set.
  for ($i = 0; $i <= 3; $i++) {
    $store
      ->setWithExpire('key_' . $i, (object) array(
      'key' => $this
        ->randomName(),
    ), 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')
      ->key(array(
      'name' => 'key_' . $i,
      'collection' => $collection,
    ))
      ->fields(array(
      'expire' => REQUEST_TIME - 1,
    ))
      ->execute();
  }

  // Perform a new set operation and then manually destruct the object to
  // trigger garbage collection.
  $store
    ->setWithExpire('autumn', 'winter', rand(500, 1000000));
  $store
    ->destruct();

  // 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();
  $this
    ->assertIdentical(sizeof($result), 1, 'Only one item remains after garbage collection');
}