[ticket/11579] Use test case helper class and use assert prefix for method

PHPBB3-11579

tests/functions/validate_data_helper.php

@@ -0,0 +1,38 @@
+<?php
+/**
+*
+* @package testing
+* @copyright (c) 2013 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+class phpbb_functions_validate_data_helper extends PHPUnit_Framework_TestCase
+{
+	protected $test_case;
+
+	public function __construct($test_case)
+	{
+		$this->test_case = $test_case;
+	}
+
+	/**
+	* Test provided input data with supplied checks and compare to expected
+	* results
+	*
+	* @param array $expected Array containing the expected results. Either
+	*		an array containing the error message or the an empty
+	*		array if input is correct
+	* @param array $input Input data with specific array keys that need to
+	*		be matched by the ones in the other 2 params
+	* @param array $validate_check Array containing validate_data check
+	*		settings, i.e. array('foobar' => array('string'))
+	*/
+	public function assert_validate_data($expected, $input, $validate_check)
+	{
+		foreach ($input as $key => $data)
+		{
+			$this->test_case->assertEquals($expected[$key], validate_data(array($data), array($validate_check[$key])));
+		}
+	}
+}