abstract class CacheTest

1. 8.x drupal/core/modules/views/lib/Drupal/views/Tests/Plugin/CacheTest.php \Drupal\views\Tests\Plugin\CacheTest
2. 8.x drupal/core/vendor/doctrine/common/tests/Doctrine/Tests/Common/Cache/CacheTest.php \Doctrine\Tests\Common\Cache\CacheTest

abstract class CacheTest extends \Doctrine\Tests\DoctrineTestCase {
  public function testBasics() {
    $cache = $this
      ->_getCacheDriver();

    // Test save
    $cache
      ->save('test_key', 'testing this out');

    // Test contains to test that save() worked
    $this
      ->assertTrue($cache
      ->contains('test_key'));

    // Test fetch
    $this
      ->assertEquals('testing this out', $cache
      ->fetch('test_key'));

    // Test delete
    $cache
      ->save('test_key2', 'test2');
    $cache
      ->delete('test_key2');
    $this
      ->assertFalse($cache
      ->contains('test_key2'));
  }
  public function testObjects() {
    $cache = $this
      ->_getCacheDriver();

    // Fetch/save test with objects (Is cache driver serializes/unserializes objects correctly ?)
    $cache
      ->save('test_object_key', new \ArrayObject());
    $this
      ->assertTrue($cache
      ->fetch('test_object_key') instanceof \ArrayObject);
  }
  public function testDeleteAll() {
    $cache = $this
      ->_getCacheDriver();
    $cache
      ->save('test_key1', '1');
    $cache
      ->save('test_key2', '2');
    $cache
      ->deleteAll();
    $this
      ->assertFalse($cache
      ->contains('test_key1'));
    $this
      ->assertFalse($cache
      ->contains('test_key2'));
  }
  public function testFlushAll() {
    $cache = $this
      ->_getCacheDriver();
    $cache
      ->save('test_key1', '1');
    $cache
      ->save('test_key2', '2');
    $cache
      ->flushAll();
    $this
      ->assertFalse($cache
      ->contains('test_key1'));
    $this
      ->assertFalse($cache
      ->contains('test_key2'));
  }
  public function testNamespace() {
    $cache = $this
      ->_getCacheDriver();
    $cache
      ->setNamespace('test_');
    $cache
      ->save('key1', 'test');
    $this
      ->assertTrue($cache
      ->contains('key1'));
    $cache
      ->setNamespace('test2_');
    $this
      ->assertFalse($cache
      ->contains('key1'));
  }

  /**
   * @group DCOM-43
   */
  public function testGetStats() {
    $cache = $this
      ->_getCacheDriver();
    $stats = $cache
      ->getStats();
    $this
      ->assertArrayHasKey(Cache::STATS_HITS, $stats);
    $this
      ->assertArrayHasKey(Cache::STATS_MISSES, $stats);
    $this
      ->assertArrayHasKey(Cache::STATS_UPTIME, $stats);
    $this
      ->assertArrayHasKey(Cache::STATS_MEMORY_USAGE, $stats);
    $this
      ->assertArrayHasKey(Cache::STATS_MEMORY_AVAILIABLE, $stats);
  }

  /**
   * @return \Doctrine\Common\Cache\CacheProvider
   */
  protected abstract function _getCacheDriver();

}