class YamlCacheCollectorTest

class YamlCacheCollectorTest extends UnitTestCase {
  
  /**
   * The cache backend that should be used.
   */
  protected CacheBackendInterface $cacheBackend;
  
  /**
   * The lock backend that should be used.
   */
  protected LockBackendInterface $lock;
  
  /**
   * The time instance that should be used.
   */
  protected TimeInterface $time;
  
  /**
   * The cache id used for the test.
   *
   * @var string
   */
  protected $cid;
  
  /**
   * Cache collector implementation to test.
   *
   * @var \Drupal\Tests\Core\Cache\CacheCollectorHelper
   */
  protected $collector;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->time = new Time();
    $this->cacheBackend = new MemoryBackend($this->time);
    $this->lock = new NullLockBackend();
    $this->cid = 'test';
    $this->collector = new YamlCacheCollector($this->cid, $this->cacheBackend, $this->lock, $this->time);
  }
  
  /**
   * Tests the ::updateCache() function.
   */
  public function testUpdateCache() : void {
    $this->cacheBackend
      ->set('key', [
      '/foo/bar/foo_bar.txt' => [
        'data' => [
          TRUE,
        ],
        'mtime' => 12345,
      ],
    ]);
    $this->collector
      ->set('/foo/bar/foo_bar.txt', [
      'data' => [
        'hello',
      ],
      'mtime' => 12345,
    ]);
    $this->collector
      ->updateCache();
    $this->assertSame($this->collector
      ->get('/foo/bar/foo_bar.txt'), []);
    $cached = $this->cacheBackend
      ->get('key');
    $this->assertArrayNotHasKey('foo_bar.txt', $cached->data);
  }

}