class FilterSettingsTest

class FilterSettingsTest extends DrupalUnitTestBase {

  /**
   * Modules to enable.
   *
   * @var array
   */
  public static $modules = array(
    'filter',
  );
  public static function getInfo() {
    return array(
      'name' => 'Filter settings',
      'description' => 'Tests filter settings.',
      'group' => 'Filter',
    );
  }

  /**
   * Tests explicit and implicit default settings for filters.
   */
  function testFilterDefaults() {
    $filter_info = $this->container
      ->get('plugin.manager.filter')
      ->getDefinitions();
    $filters = array_fill_keys(array_keys($filter_info), array());

    // Create text format using filter default settings.
    $filter_defaults_format = entity_create('filter_format', array(
      'format' => 'filter_defaults',
      'name' => 'Filter defaults',
      'filters' => $filters,
    ));
    $filter_defaults_format
      ->save();

    // Verify that default weights defined in hook_filter_info() were applied.
    $saved_settings = array();
    foreach ($filter_defaults_format
      ->filters() as $name => $filter) {
      $expected_weight = $filter_info[$name]['weight'];
      $this
        ->assertEqual($filter->weight, $expected_weight, format_string('@name filter weight %saved equals %default', array(
        '@name' => $name,
        '%saved' => $filter->weight,
        '%default' => $expected_weight,
      )));
      $saved_settings[$name]['weight'] = $expected_weight;
    }

    // Re-save the text format.
    $filter_defaults_format
      ->save();

    // Reload it from scratch.
    filter_formats_reset();

    // Verify that saved filter settings have not been changed.
    foreach (filter_list_format($filter_defaults_format->format) as $name => $filter) {
      $this
        ->assertEqual($filter->weight, $saved_settings[$name]['weight'], format_string('@name filter weight %saved equals %previous', array(
        '@name' => $name,
        '%saved' => $filter->weight,
        '%previous' => $saved_settings[$name]['weight'],
      )));
    }
  }

}