plugin_test.module

<?php

/**
 * Implements hook_menu().
 *
 * This is just a dummy for testing things faster than unit tests can, because
 * unit tests are horrifically slow due to the installer being slow as hell.
 */
function plugin_test_menu() {
  $items['plugin'] = array(
    'title' => 'Plugin test',
    'page callback' => 'plugin_test_page',
    'access arguments' => array('access content'),
    
  );

  return $items;
}

/**
 * Dummy page callback for testing things faster than unit tests can.
 */
function plugin_test_page() {
  $plugins = plugin_get_info('fancystring');

  $plugin_names = array_keys($plugins);

  dpm($plugin_names);

  return 'x';
}

/**
 * Implements hook_plugin_type_info().
 */
function plugin_test_plugin_type_info() {

	$types['fancystring'] = array(
    'title' => t('Fancy string mangling'),
    'description' => t('Mutate strings in various ways'),
    'interface' => 'FancyStringPluginInterface',
    'config' => 'FancyStringConfigInterface',
    'controller' => 'PluginControllerVariableReuse',
    'default' => 'FancyStringDummy',
		);

	return $types;
}

/**
 * Implements hook_plugin_info().
 *
 * I think we actually deprecated the generic function...
 */
function plugin_test_plugin_fancystring_info() {

  $plugins['dummy'] = array(
    'title' => t('Dummy'),
    'description' => t('Dummy implementation that does nothing.'),
    'class' => 'FancyStringDummy',
  );
	 $plugins['rot13'] = array(
    'title' => t('ROT 13'),
    'description' => t('ROT13 encode a string'),
    'class' => 'FancyStringRot13',
  );

	return $plugins;
}

/**
 * Implements hook_plugin_info_alter().
 *
 * I think we actually deprecated the generic function...
 */
function plugin_test_plugin_info_alter(&$plugins) {
  $plugins['rot'] = array(
    'title' => t('ROT'),
    'description' => t('ROT encode a string to an arbitrary number.'),
    'class' => 'FancyStringRot',
    'config' => 'FancyStringRotConfig',
  );
}

interface FancyStringPluginInterface extends PluginInterface {
  public function mutate($string);
}

class FancyStringRot13 extends PluginBaseAbstract implements FancystringPluginInterface {
	public function mutate($string) {
    return str_rot13($string);
	}
}

class FancyStringRot extends PluginBaseAbstract implements FancyStringPluginInterface {
  public function mutate($string) {
    // @TODO: Implement this.
    return $string;
  }

}

class FancyStringDummy extends PluginBaseAbstract implements FancyStringPluginInterface {
  public function mutate($string) {
    return $string;
  }
}