<?php
/**
 * @file
 * Tests schema changes in aggregator.module.
 */
class AggregatorUpdatePathTestCase extends UpdatePathTestCase {

  public static function getInfo() {
    return array(
      'name' => 'Aggregator update path',
      'description' => 'Aggregator update path tests.',
      'group' => 'Upgrade path',
    );
  }

  public function setUp() {
    // Use the normal installation and add our feed data.
    $path = drupal_get_path('module', 'simpletest') . '/tests/upgrade';
    $this->databaseDumpFiles = array(
      $path . '/drupal-7.bare.standard_all.database.php.gz',
      $path . '/drupal-7.aggregator.database.php',
    );
    parent::setUp();

    // Our test data only relies on aggregator.module.
    $this->uninstallModulesExcept(array('aggregator'));
  }

  /**
   * Tests that the aggregator.module update is successful.
   */
  public function testAggregatorUpdate() {
    // Get a selection of the fields affected by the schema update.
    $query = db_select('aggregator_feed', 'af');
    $query->join('aggregator_item', 'ai', 'af.fid = ai.fid');
    $query
      ->fields('af', array('url', 'link'))
      ->fields('ai', array('link', 'guid'));

    $pre_update_data = $query->execute()->fetchAll();
    $this->assertTrue($this->performUpgrade(), 'The update was completed successfully.');
    $post_update_data = $query->execute()->fetchAll();

    $this->assertTrue($pre_update_data == $post_update_data, 'Feed data was preserved during the update.');
  }

}
