function DisableUninstallCoreModuleTest::testDisableUninstallCoreModules in SimpleTest 6

File

tests/modules_system.test, line 138

Class

DisableUninstallCoreModuleTest

Code

function testDisableUninstallCoreModules() {

  // Get a list of the modules to test
  $modules_to_test = array(
    'aggregator',
    'blog',
    'blogapi',
    'book',
    'color',
    'comment',
    'contact',
    'dblog',
    'forum',
    'help',
    'locale',
    'menu',
    'openid',
    'path',
    'php',
    'ping',
    'poll',
    'profile',
    'search',
    'statistics',
    'syslog',
    'taxonomy',
    'throttle',
    'tracker',
    'translation',
    'trigger',
    'update',
    'upload',
  );

  // Get a list of the currently enabled modules
  $enabled_modules = module_list(true, false);

  // We don't want to test any modules that are already enabled, since that would involve a loss of data
  foreach ($enabled_modules as $module) {
    if (in_array($module, $modules_to_test)) {
      unset($modules_to_test[array_search($module, $modules_to_test)]);
    }
  }

  // Enable all the modules that are not already enabled
  include_once './includes/install.inc';
  module_enable($modules_to_test);
  drupal_install_modules($modules_to_test);
  $web_user = $this
    ->drupalCreateUserRolePerm(array(
    'access administration pages',
    'administer site configuration',
  ));
  $this
    ->drupalLoginUser($web_user);

  // Disable/uninstall the given modules: we keep every other module enabled
  // We do this loop because for each level of dependency, we need one more request
  while (count(array_diff(module_list(true, false), $enabled_modules)) > 0) {
    $edit = array();
    foreach ($modules_to_test as $module) {
      $edit['status[' . $module . ']'] = 0;
    }
    foreach ($enabled_modules as $module) {
      $edit['status[' . $module . ']'] = $module;
    }
    $this
      ->drupalPost('admin/build/modules/list/confirm', $edit, 'Save configuration');
    $this
      ->assertWantedRaw(t('The configuration options have been saved.'), t('Ensure that the module status has been updated'));
  }

  // Now, lets make sure the modules are truly disabled and then try to uninstall them
  module_list(true, false);
  $edit = array();
  foreach ($modules_to_test as $module) {
    $this
      ->assertFalse(module_exists($module), t('Make sure the module has been disabled'));
    if (module_hook($module, 'uninstall')) {
      $edit['uninstall[' . $module . ']'] = $module;
    }
  }
  $this
    ->drupalPost('admin/build/modules/uninstall/confirm', $edit, 'Uninstall');

  // We need to confirm this by clicking again
  $this->_browser
    ->clickSubmit(t('Uninstall'));
  $this
    ->assertWantedRaw(t('The selected modules have been uninstalled.'), 'Check to ensure that the modules have been removed');

  // Now, we check the tables for each module
  foreach ($modules_to_test as $module) {
    $cur_schema = drupal_get_schema_unprocessed($module);
    $tables = is_array($cur_schema) ? array_keys($cur_schema) : array();
    foreach ($tables as $table) {
      $this
        ->assertFalse(db_table_exists($table), t('Ensure that the database table has been properly removed'));
    }
  }
  drupal_clear_css_cache();
  drupal_clear_js_cache();
}