materio-base-d7/sites/all/modules/contrib/localisation/i18n/tests/i18n_test.module

<?php

/**
 * @file
 *   Helper module for testing i18n
 */

// Add some multilingual variables, override existing ones from settings so
// we have a known list and we don't need any addition to the settings file for testing i18n
_i18n_test_variable_init();

/**
 * Implements hook_init()
 */
function i18n_test_init() {
  // We just implement this hook so this one is loaded always on bootstap
}

/**
 * Set default multilingual variables and add any others defined by testing scripts
 *
 * More variables can be added using 'i18n_variables_test';
 */
function _i18n_test_variable_init() {
  global $conf;
  $conf['i18n_variables'] = array_merge(array('site_name', 'site_frontpage'), variable_get('i18n_variables_test', array()));
}

/**
 * Implements hook_i18n_string_info()
 */
function i18n_test_i18n_string_info() {
  $groups['test'] = array(
    'title' => t('Test'),
    'description' => t('Translatable menu items: title and description.'),
    'format' => FALSE, // This group doesn't have strings with format
    'refresh callback' => 'i18n_test_i18n_string_refresh',
  );
  return $groups;
}
/**
 * Locale refresh
 */
function i18n_test_i18n_string_refresh() {
  return TRUE;
}