MailUpgradePathTest.php

<?php

/**
 * @file
 * Contains \Drupal\system\Tests\Upgrade\MailUpgradePathTest.
 */
namespace Drupal\system\Tests\Upgrade;


/**
 * Tests upgrade of mail backend system variables.
 */
class MailUpgradePathTest extends UpgradePathTestBase {
  public static function getInfo() {
    return array(
      'name' => 'Mail upgrade test',
      'description' => 'Tests upgrade of Mail backend configuration.',
      'group' => 'Upgrade path',
    );
  }
  public function setUp() {
    $this->databaseDumpFiles = array(
      drupal_get_path('module', 'system') . '/tests/upgrade/drupal-7.bare.standard_all.database.php.gz',
      drupal_get_path('module', 'system') . '/tests/upgrade/drupal-7.system.database.php',
    );
    parent::setUp();
  }

  /**
   * Tests that mail backends are upgraded to their Drupal 8 equivalents.
   */
  public function testMailSystemUpgrade() {
    $this
      ->performUpgrade(TRUE);

    // Get the new mailer definitions.
    $mail_system = config('system.mail')
      ->get('interface');

    // Check that the default mailer has been changed to a PSR-0 definition.
    $this
      ->assertEqual($mail_system['default'], 'Drupal\\Core\\Mail\\PhpMail', 'Default mailer upgraded to Drupal 8 syntax.');

    // Check that a custom mailer has been preserved through the upgrade.
    $this
      ->assertEqual($mail_system['maillog'], 'MaillogMailSystem', 'Custom mail backend preserved during upgrade.');
  }

  /**
   * Overrides UpgradePathTestBase::checkCompletionPage().
   */
  protected function checkCompletionPage() {

    // Ensure the user is informed about mail backends that need updating.
    $this
      ->assertText('The following mail backends need to be re-configured: MaillogMailSystem.', 'User notified about outdated mail backends.');
  }

}