function 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

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');
}