Merge remote-tracking branch 'marc1706/ticket/11579' into develop-olympus

* marc1706/ticket/11579:
  [ticket/11579] Add method for validating emails for valid MX and mark as slow
  [ticket/11579] Do not extend validate_data_helper
  [ticket/11579] Add missing commas to validate_username_test
  [ticket/11579] Rework calls to validate_data_helper
  [ticket/11579] Move simple tests into seperate files
  [ticket/11579] Use test case helper class and use assert prefix for method
  [ticket/11579] Move tests into seperate files depending on needed fixture
  [ticket/11579] Remove unnecessary globals from validate_password()
  [ticket/11579] Add remaining unit tests for validate_data functions
  [ticket/11579] Add basic set of unit tests for validate_data()

1 files changed, 15 insertions, 0 deletions

diff --git a/tests/mock/cache.php b/tests/mock/cache.php
index aa0db5ab20..acf4288319 100644
--- a/tests/mock/cache.php
+++ b/tests/mock/cache.php
@@ -74,6 +74,21 @@ class phpbb_mock_cache
 		);
 	}
 
+	/**
+	* Obtain disallowed usernames. Input data via standard put method.
+	*/
+	public function obtain_disallowed_usernames()
+	{
+		if (($usernames = $this->get('_disallowed_usernames')) !== false)
+		{
+			return $usernames;
+		}
+		else
+		{
+			return array();
+		}
+	}
+
 	public function set_bots($bots)
 	{
 		$this->data['_bots'] = $bots;