drupal/modules/simpletest/tests/module_test.module

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<?php
// $Id$
/**
* Implements hook_permission().
*/
function module_test_permission() {
return array(
'module_test perm' => t('example perm for module_test module'),
);
}
/**
* Implements hook_system_info_alter().
*
* Manipulate module dependencies to test dependency chains.
*/
function module_test_system_info_alter(&$info, $file, $type) {
if (variable_get('dependency_test', FALSE) == 'missing dependency') {
if ($file->name == 'forum') {
// Make forum module depend on poll.
$info['dependencies'][] = 'poll';
}
elseif ($file->name == 'poll') {
// Make poll depend on a made-up module.
$info['dependencies'][] = 'foo';
}
}
elseif (variable_get('dependency_test', FALSE) == 'dependency') {
if ($file->name == 'forum') {
// Make the forum module depend on poll.
$info['dependencies'][] = 'poll';
}
elseif ($file->name == 'poll') {
// Make poll depend on php module.
$info['dependencies'][] = 'php';
}
}
if ($file->name == 'seven' && $type == 'theme') {
$info['regions']['test_region'] = t('Test region');
}
}
/**
* Implements hook_hook_info().
*/
function module_test_hook_info() {
$hooks['test_hook'] = array(
'group' => 'file',
);
return $hooks;
}
/**
* Implements hook_modules_enabled().
*/
function module_test_modules_enabled($modules) {
variable_set('test_module_enable_order', $modules);
}