SettingsRewriteTest.php

<?php

/**
 * @file
 * Contains Drupal\system\Tests\System\SettingsRewriteTest.
 */
namespace Drupal\system\Tests\System;

use Drupal\simpletest\UnitTestBase;

/**
 * Tests the drupal_rewrite_settings() function.
 */
class SettingsRewriteTest extends UnitTestBase {
  public static function getInfo() {
    return array(
      'name' => 'drupal_rewrite_settings()',
      'description' => 'Tests the drupal_rewrite_settings() function.',
      'group' => 'System',
    );
  }

  /**
   * Tests the drupal_rewrite_settings() function.
   */
  function testDrupalRewriteSettings() {
    include_once DRUPAL_ROOT . '/core/includes/install.inc';
    $tests = array(
      array(
        'original' => '$no_index_value_scalar = TRUE;',
        'settings' => array(
          'no_index_value_scalar' => (object) array(
            'value' => FALSE,
            'comment' => 'comment',
          ),
        ),
        'expected' => '$no_index_value_scalar = false; // comment',
      ),
      array(
        'original' => '$no_index_value_scalar = TRUE;',
        'settings' => array(
          'no_index_value_foo' => array(
            'foo' => array(
              'value' => (object) array(
                'value' => NULL,
                'required' => TRUE,
                'comment' => 'comment',
              ),
            ),
          ),
        ),
        'expected' => <<<'EXPECTED'
$no_index_value_scalar = TRUE;
$no_index_value_foo['foo']['value'] = NULL; // comment
EXPECTED
,
      ),
      array(
        'original' => '$no_index_value_array = array("old" => "value");',
        'settings' => array(
          'no_index_value_array' => (object) array(
            'value' => FALSE,
            'required' => TRUE,
            'comment' => 'comment',
          ),
        ),
        'expected' => '$no_index_value_array = array("old" => "value");
$no_index_value_array = false; // comment',
      ),
      array(
        'original' => '$has_index_value_scalar["foo"]["bar"] = NULL;',
        'settings' => array(
          'has_index_value_scalar' => array(
            'foo' => array(
              'bar' => (object) array(
                'value' => FALSE,
                'required' => TRUE,
                'comment' => 'comment',
              ),
            ),
          ),
        ),
        'expected' => '$has_index_value_scalar["foo"]["bar"] = false; // comment',
      ),
      array(
        'original' => '$has_index_value_scalar["foo"]["bar"] = "foo";',
        'settings' => array(
          'has_index_value_scalar' => array(
            'foo' => array(
              'value' => (object) array(
                'value' => array(
                  'value' => 2,
                ),
                'required' => TRUE,
                'comment' => 'comment',
              ),
            ),
          ),
        ),
        'expected' => <<<'EXPECTED'
$has_index_value_scalar["foo"]["bar"] = "foo";
$has_index_value_scalar['foo']['value'] = array (
  'value' => 2,
); // comment
EXPECTED
,
      ),
    );
    foreach ($tests as $test) {
      $filename = variable_get('file_public_path', conf_path() . '/files') . '/mock_settings.php';
      file_put_contents(DRUPAL_ROOT . '/' . $filename, "<?php\n" . $test['original'] . "\n");
      drupal_rewrite_settings($test['settings'], $filename);
      $this
        ->assertEqual(file_get_contents(DRUPAL_ROOT . '/' . $filename), "<?php\n" . $test['expected'] . "\n");
    }
  }

}