Allow deleting group-content when group is deleted http://drupal.org/node/1862702

gistfile1.php

/**
 * Testing for deleting group-content when group is deleted.
 */
class OgDeleteGroupContentTestCase extends DrupalWebTestCase {

  public $groupType;
  public $nodeType;

  public static function getInfo() {
    return array(
      'name' => 'OG delete content',
      'description' => 'When deleting a grop, we need to check if the group content is deleted.',
      'group' => 'Organic groups',
    );
  }

  function setUp() {
    parent::setUp('og_test', 'advancedqueue');

    // Create a group content type.
    $group = $this->drupalCreateContentType();
    og_create_field(OG_GROUP_FIELD, 'node', $group->type);
    $this->groupType = $group->type;

    // Create group audience content type.
    $type = $this->drupalCreateContentType();
    $this->nodeType = $type->type;

    // Add OG audience field to the audience content type.
    $og_field = og_fields_info(OG_AUDIENCE_FIELD);
    $og_field['field']['settings']['target_type'] = 'node';
    og_create_field(OG_AUDIENCE_FIELD, 'node', $type->type, $og_field);

    // Set the setting for delete a group content when deleting group.
    variable_set('og_orphans_delete', TRUE);
    variable_set('og_use_queue', TRUE);
  }

  function testDeleteGroup() {
    // Creating a group.
    $group = (object) array(
      'type' => $this->groupType,
      'title' => $this->randomName(),
    );
    $GroupWrapper = entity_metadata_wrapper('node', $group);
    $GroupWrapper->save();

    // Create the group content.
    $node = (object) array(
      'type' => $this->nodeType,
      'title' => $this->randomName(),
    );
    $wrapper = entity_metadata_wrapper('node', $node);
    $wrapper->{OG_AUDIENCE_FIELD}->set(array($GroupWrapper->getIdentifier()));
    $wrapper->save();

    // Delete the group.
    $GroupWrapper->delete();

    // Active the queue.
    $queue = DrupalQueue::get('og_membership_orphans');
    $item = $queue->claimItem();
    og_membership_orphans_worker($item);

    // Verify the orphan node deleted.
    $this->assert(!node_load($wrapper->getIdentifier()), t("The orphan node deleted"));
  }
}