function simpletest_requirements

Implements hook_requirements().

File

core/modules/simpletest/simpletest.install, line 15

Install, update and uninstall functions for the simpletest module.

Code

function simpletest_requirements($phase) {
  $requirements = array();
  $t = get_t();

  $has_curl = function_exists('curl_init');
  $has_hash = function_exists('hash_hmac');
  $has_domdocument = method_exists('DOMDocument', 'loadHTML');
  $open_basedir = ini_get('open_basedir');

  $requirements['curl'] = array(
    'title' => $t('cURL'),
    'value' => $has_curl ? $t('Enabled') : $t('Not found'),
  );
  if (!$has_curl) {
    $requirements['curl']['severity'] = REQUIREMENT_ERROR;
    $requirements['curl']['description'] = $t('The testing framework could not be installed because the PHP <a href="@curl_url">cURL</a> library is not available.', array('@curl_url' => 'http://php.net/manual/en/curl.setup.php'));
  }

  // Only set a requirements message if hash is disabled.
  if (!$has_hash) {
    $requirements['hash'] = array(
      'title' => $t('PHP hash extension'),
      'value' => $t('Not found'),
      'severity' => REQUIREMENT_ERROR,
      'description' => $t('The testing framework could not be installed because the PHP <a href="@hash_url">hash</a> extension is disabled.', array('@hash_url' => 'http://php.net/manual/en/book.hash.php')),
    );
  }

  $requirements['php_domdocument'] = array(
    'title' => $t('PHP DOMDocument class'),
    'value' => $has_domdocument ? $t('Enabled') : $t('Not found'),
  );
  if (!$has_domdocument) {
    $requirements['php_domdocument']['severity'] = REQUIREMENT_ERROR;
    $requirements['php_domdocument']['description'] = $t('The testing framework requires the DOMDocument class to be available. Check the configure command at the <a href="@link-phpinfo">PHP info page</a>.', array('@link-phpinfo' => url('admin/reports/status/php')));
  }

  // SimpleTest currently needs 2 cURL options which are incompatible with
  // having PHP's open_basedir restriction set.
  // See http://drupal.org/node/674304.
  $requirements['php_open_basedir'] = array(
    'title' => $t('PHP open_basedir restriction'),
    'value' => $open_basedir ? $t('Enabled') : $t('Disabled'),
  );
  if ($open_basedir) {
    $requirements['php_open_basedir']['severity'] = REQUIREMENT_ERROR;
    $requirements['php_open_basedir']['description'] = $t('The testing framework requires the PHP <a href="@open_basedir-url">open_basedir</a> restriction to be disabled. Check your webserver configuration or contact your web host.', array('@open_basedir-url' => 'http://php.net/manual/en/ini.core.php#ini.open-basedir'));
  }

  // Check the current memory limit. If it is set too low, SimpleTest will fail
  // to load all tests and throw a fatal error.
  $memory_limit = ini_get('memory_limit');
  if (!backdrop_check_memory_limit(SIMPLETEST_MINIMUM_PHP_MEMORY_LIMIT, $memory_limit)) {
    $requirements['php_memory_limit']['severity'] = REQUIREMENT_ERROR;
    $requirements['php_memory_limit']['description'] = $t('The testing framework requires the PHP memory limit to be at least %memory_minimum_limit. The current value is %memory_limit. <a href="@url">Follow these steps to continue</a>.', array('%memory_limit' => $memory_limit, '%memory_minimum_limit' => SIMPLETEST_MINIMUM_PHP_MEMORY_LIMIT, '@url' => 'http://drupal.org/node/207036'));
  }

  return $requirements;
}