class FormsFormCacheTestCase

class FormsFormCacheTestCase extends BackdropWebTestCase {
  protected $profile = 'testing';

  /**
   * Overrides BackdropWebTestCase::setUp() for upgrade for form cache test.
   */
  public function setUp() {
    parent::setUp('form_test');
  }

  /**
   * Tests storing and retrieving the form from cache.
   */
  public function testCacheForm() {
    $form = backdrop_get_form('form_test_cache_form');
    $form_state = array('foo' => 'bar', 'build_info' => array('baz'));
    form_set_cache($form['#build_id'], $form, $form_state);

    $cached_form_state = array();
    $cached_form = form_get_cache($form['#build_id'], $cached_form_state);

    $this->assertEqual($cached_form['#build_id'], $form['#build_id'], 'Form retrieved from cache_form successfully.');
    $this->assertEqual($cached_form_state['foo'], 'bar', 'Data retrieved from cache_form successfully.');
  }

  /**
   * Tests changing form_cache_expiration.
   */
  public function testCacheFormCustomExpiration() {
    config_set('system.core', 'form_cache_expiration', -1 * (24 * 60 * 60));

    $form = backdrop_get_form('form_test_cache_form');
    $form_state = array('foo' => 'bar', 'build_info' => array('baz'));
    form_set_cache($form['#build_id'], $form, $form_state);

    // Cleanup expired tempstore entries the same way cron would do, but
    // without actually running cron.
    db_delete('tempstore')
      ->condition('expire', REQUEST_TIME, '<')
      ->execute();

    $cached_form_state = array();
    $cached_form = form_get_cache($form['#build_id'], $cached_form_state);

    $this->assertNull($cached_form, 'Expired form was not returned from cache.');
    $this->assertTrue(empty($cached_form_state), 'No data retrieved from cache for expired form.');
  }
}