Merge in r657-674, prompted by near release of 1.4.0.

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/branches/strict@675 48356398-32a2-884e-a903-53898d9a118a

tests/generate_mock_once.func.php

@@ -0,0 +1,11 @@
+<?php
+
+// since Mocks can't be called from within test files, we need to do
+// a little jumping through hoops to generate them
+function generate_mock_once($name) {
+    $mock_name = $name . 'Mock';
+    if (class_exists($mock_name)) return false;
+    Mock::generate($name, $mock_name);
+}
+
+?>