Merge pull request #11484 from civicrm/4.7.30-rc

[civicrm-core.git] / tests / phpunit / CiviTest / CiviMailUtils.php

diff --git a/tests/phpunit/CiviTest/CiviMailUtils.php b/tests/phpunit/CiviTest/CiviMailUtils.php
index 330c8e6e71d3c1012140b41a6f2ae5012e3f4873..32b5082778e0227f7c534f8366b356ece4ad6802 100644 (file)
--- a/tests/phpunit/CiviTest/CiviMailUtils.php
+++ b/tests/phpunit/CiviTest/CiviMailUtils.php
@@ -331,15 +331,20 @@ class CiviMailUtils extends PHPUnit_Framework_TestCase {
    * Remove any sent messages from the log.
    *
    * @param int $limit
+   *  How many recent messages to remove, defaults to 0 (all).
    *
    * @throws \Exception
    */
-  public function clearMessages($limit = 1) {
+  public function clearMessages($limit = 0) {
     if ($this->_webtest) {
       throw new Exception("Not implemented: clearMessages for WebTest");
     }
     else {
-      CRM_Core_DAO::executeQuery('DELETE FROM civicrm_mailing_spool ORDER BY id DESC LIMIT ' . $limit);
+      $sql = 'DELETE FROM civicrm_mailing_spool ORDER BY id DESC';
+      if ($limit) {
+        $sql .= ' LIMIT ' . $limit;
+      }
+      CRM_Core_DAO::executeQuery($sql);
     }
   }