diff --git a/_test/mysql.conf.php.dist b/_test/mysql.conf.php.dist
new file mode 100644
index 0000000000000000000000000000000000000000..d72c9886e71a9f73db40f68a919b917cb3e3e5d2
--- /dev/null
+++ b/_test/mysql.conf.php.dist
@@ -0,0 +1,8 @@
+<?php
+/**
+ * This configures the access to a mysql database. The user needs to have permissions
+ * to create and drop databases.
+ */
+$conf['host'] = 'localhost';
+$conf['user'] = 'root';
+$conf['pass'] = '';
diff --git a/lib/plugins/authpdo/_test/mysql.test.php b/lib/plugins/authpdo/_test/mysql.test.php
new file mode 100644
index 0000000000000000000000000000000000000000..a04ccde59c1b6a5caa4af5ec642dd1062bb25736
--- /dev/null
+++ b/lib/plugins/authpdo/_test/mysql.test.php
@@ -0,0 +1,179 @@
+<?php
+
+/**
+ * MySQL tests for the authpdo plugin
+ *
+ * @group plugin_authpdo
+ * @group plugins
+ */
+class mysql_plugin_authpdo_test extends DokuWikiTest {
+
+ protected $host = '';
+ protected $database = 'authpdo_testing';
+ protected $user = '';
+ protected $pass = '';
+
+ public function setUp() {
+ parent::setUp();
+ $configuration = DOKU_UNITTEST . 'mysql.conf.php';
+ if(!file_exists($configuration)) {
+ return;
+ }
+ /** @var $conf array */
+ include $configuration;
+ $this->host = $conf['host'];
+ $this->user = $conf['user'];
+ $this->pass = $conf['pass'];
+ }
+
+ /**
+ * Check if database credentials exist
+ */
+ public function test_requirements() {
+ if(!$this->host || !$this->user) {
+ $this->markTestSkipped("Skipped mysql tests. Missing configuration");
+ }
+ }
+
+ /**
+ * create the database for testing
+ */
+ protected function createDatabase() {
+ $pdo = new PDO(
+ "mysql:dbname=;host={$this->host}", $this->user, $this->pass,
+ array(
+ PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, // we want exceptions, not error codes
+ )
+ );
+ $pdo->exec("DROP DATABASE IF EXISTS {$this->database}");
+ $pdo->exec("CREATE DATABASE {$this->database}");
+ $pdo = null;
+ }
+
+ /**
+ * remove the database
+ */
+ protected function dropDatabase() {
+ $pdo = new PDO(
+ "mysql:dbname={$this->database};host={$this->host}", $this->user, $this->pass,
+ array(
+ PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, // we want exceptions, not error codes
+ )
+ );
+ $pdo->exec("DROP DATABASE IF EXISTS {$this->database}");
+ $pdo = null;
+ }
+
+ /**
+ * imports a database dump
+ *
+ * @param $file
+ */
+ protected function importDatabase($file) {
+ // connect to database and import dump
+ $pdo = null;
+ $pdo = new PDO(
+ "mysql:dbname={$this->database};host={$this->host}", $this->user, $this->pass,
+ array(
+ PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, // we want exceptions, not error codes
+ )
+ );
+ $sql = file_get_contents($file);
+ $pdo->exec($sql);
+ $pdo = null;
+ }
+
+ /**
+ * run all the tests with the given user, depending on the capabilities
+ *
+ * @param auth_plugin_authpdo $auth
+ * @param $user
+ */
+ protected function runTests(auth_plugin_authpdo $auth, $user) {
+ global $conf;
+ $info = 'testing ' . $user['user'];
+ $this->assertTrue($auth->success, $info);
+
+ // minimal setup
+ $this->assertTrue($auth->checkPass($user['user'], $user['pass']), $info);
+ $check = $auth->getUserData($user['user']);
+ $this->assertEquals($user['user'], $check['user'], $info);
+ $this->assertEquals($user['name'], $check['name'], $info);
+ $this->assertEquals($user['mail'], $check['mail'], $info);
+ $groups = array_merge($user['grps'], array($conf['defaultgroup']));
+ $this->assertEquals($groups, $check['grps'], $info);
+
+ // modPass
+ if($auth->canDo('modPass')) {
+ $newpass = 'foobar';
+ $ok = $auth->modifyUser($user['user'], array('pass' => $newpass));
+ $this->assertTrue($ok, $info);
+ $this->assertTrue($auth->checkPass($user['user'], $newpass), $info);
+ }
+
+ // modMail
+ if($auth->canDo('modMail')) {
+ $newmail = 'foobar@example.com';
+ $ok = $auth->modifyUser($user['user'], array('mail' => $newmail));
+ $this->assertTrue($ok, $info);
+ $check = $auth->getUserData($user['user']);
+ $this->assertEquals($newmail, $check['mail'], $info);
+ }
+
+ // modName
+ if($auth->canDo('modName')) {
+ $newname = 'FirstName Foobar';
+ $ok = $auth->modifyUser($user['user'], array('name' => $newname));
+ $this->assertTrue($ok, $info);
+ $check = $auth->getUserData($user['user']);
+ $this->assertEquals($newname, $check['name'], $info);
+ }
+
+ // modLogin
+ if($auth->canDo('modLogin')) {
+ $newuser = 'foobar'.$user['user'];
+ $ok = $auth->modifyUser($user['user'], array('user' => $newuser));
+ $this->assertTrue($ok, $info);
+ $check = $auth->getUserData($newuser);
+ $this->assertEquals($newuser, $check['user'], $info);
+ }
+
+ }
+
+ /**
+ * This triggers all the tests based on the dumps and configurations
+ *
+ * @depends test_requirements
+ */
+ public function test_mysql() {
+ global $conf;
+
+ $files = glob(__DIR__ . '/mysql/*.php');
+ foreach($files as $file) {
+ $dump = preg_replace('/\.php$/', '.sql', $file);
+
+ $this->createDatabase();
+ $this->importDatabase($dump);
+
+ // Setup the configuration and initialize a new auth object
+ /** @var $data array */
+ include $file;
+
+ $conf['plugin']['authpdo'] = array();
+ $conf['plugin']['authpdo'] = $data['conf'];
+ $conf['plugin']['authpdo']['dsn'] = "mysql:dbname={$this->database};host={$this->host}";
+ $conf['plugin']['authpdo']['user'] = $this->user;
+ $conf['plugin']['authpdo']['pass'] = $this->pass;
+ $conf['plugin']['authpdo']['debug'] = 1;
+ if($data['passcrypt']) $conf['passcrypt'] = $data['passcrypt'];
+ $auth = new auth_plugin_authpdo();
+
+ foreach($data['users'] as $user) {
+ $this->runTests($auth, $user);
+ }
+
+ $this->dropDatabase();
+ }
+ }
+
+}
diff --git a/lib/plugins/authpdo/_test/mysql/wordpress.php b/lib/plugins/authpdo/_test/mysql/wordpress.php
new file mode 100644
index 0000000000000000000000000000000000000000..1ea2783d471a339fb7b9499a21e677d9bcc94435
--- /dev/null
+++ b/lib/plugins/authpdo/_test/mysql/wordpress.php
@@ -0,0 +1,94 @@
+<?php
+/**
+ * Basic Wordpress config
+ *
+ * Wordpress has no proper groups. This configures the default access permissions as groups. Better group
+ * support is available through a Wrdpress plugin
+ */
+/** @noinspection SqlResolve */
+$data = array(
+ 'passcrypt' => 'pmd5',
+ 'conf' => array(
+ 'select-user' => '
+ SELECT ID AS uid,
+ user_login AS user,
+ display_name AS name,
+ user_pass AS hash,
+ user_email AS mail
+ FROM wpvk_users
+ WHERE user_login = :user
+ ',
+ 'select-user-groups' => '
+ SELECT CONCAT("group",meta_value) as `group`
+ FROM wpvk_usermeta
+ WHERE user_id = :uid
+ AND meta_key = "wpvk_user_level"
+ ',
+ 'select-groups' => '',
+ 'insert-user' => '',
+ 'delete-user' => '',
+ 'list-users' => '',
+ 'count-users' => '',
+ 'update-user-info' => '
+ UPDATE wpvk_users
+ SET display_name = :name,
+ user_email = :mail
+ WHERE ID = :uid
+ ',
+ 'update-user-login' => '
+ UPDATE wpvk_users
+ SET user_login = :newlogin
+ WHERE ID = :uid
+ ',
+ 'update-user-pass' => '
+ UPDATE wpvk_users
+ SET user_pass = :hash
+ WHERE ID = :uid
+ ',
+ 'insert-group' => '',
+ 'join-group' => '',
+ 'leave-group' => '',
+ ),
+ 'users' => array(
+ array(
+ 'user' => 'admin',
+ 'pass' => 'pass',
+ 'name' => 'admin',
+ 'mail' => 'admin@example.com',
+ 'grps' =>
+ array(
+ 0 => 'group10',
+ ),
+ ),
+ array(
+ 'user' => 'test1',
+ 'pass' => 'pass',
+ 'name' => 'Test1 Subscriber',
+ 'mail' => 'test1@example.com',
+ 'grps' =>
+ array(
+ 0 => 'group0',
+ ),
+ ),
+ array(
+ 'user' => 'test2',
+ 'pass' => 'pass',
+ 'name' => 'Test2 Contributor',
+ 'mail' => 'test2@example.com',
+ 'grps' =>
+ array(
+ 0 => 'group1',
+ ),
+ ),
+ array(
+ 'user' => 'test3',
+ 'pass' => 'pass',
+ 'name' => 'Test3 Author',
+ 'mail' => 'test3@example.com',
+ 'grps' =>
+ array(
+ 0 => 'group2',
+ ),
+ ),
+ ),
+);
diff --git a/lib/plugins/authpdo/_test/mysql/wordpress.sql b/lib/plugins/authpdo/_test/mysql/wordpress.sql
new file mode 100644
index 0000000000000000000000000000000000000000..5f30328b2498419dc1312e68b1c569f24a9a7d83
--- /dev/null
+++ b/lib/plugins/authpdo/_test/mysql/wordpress.sql
@@ -0,0 +1,130 @@
+-- phpMyAdmin SQL Dump
+-- version 4.0.10.7
+-- http://www.phpmyadmin.net
+--
+-- Host: localhost:3306
+-- Generation Time: Feb 10, 2016 at 02:02 PM
+-- Server version: 10.0.23-MariaDB
+-- PHP Version: 5.4.31
+
+SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
+SET time_zone = "+00:00";
+
+
+/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
+/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
+/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
+/*!40101 SET NAMES utf8 */;
+
+--
+-- Database: `dokuwiki_wp240`
+--
+
+-- --------------------------------------------------------
+
+--
+-- Table structure for table `wpvk_usermeta`
+--
+
+CREATE TABLE IF NOT EXISTS `wpvk_usermeta` (
+ `umeta_id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
+ `user_id` bigint(20) unsigned NOT NULL DEFAULT '0',
+ `meta_key` varchar(255) DEFAULT NULL,
+ `meta_value` longtext,
+ PRIMARY KEY (`umeta_id`),
+ KEY `user_id` (`user_id`),
+ KEY `meta_key` (`meta_key`(191))
+) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=52 ;
+
+--
+-- Dumping data for table `wpvk_usermeta`
+--
+
+INSERT INTO `wpvk_usermeta` (`umeta_id`, `user_id`, `meta_key`, `meta_value`) VALUES
+(1, 1, 'nickname', 'admin'),
+(2, 1, 'first_name', 'First'),
+(3, 1, 'last_name', 'Last'),
+(4, 1, 'description', ''),
+(5, 1, 'rich_editing', 'true'),
+(6, 1, 'comment_shortcuts', 'false'),
+(7, 1, 'admin_color', 'fresh'),
+(8, 1, 'use_ssl', '0'),
+(9, 1, 'show_admin_bar_front', 'true'),
+(10, 1, 'wpvk_capabilities', 'a:1:{s:13:"administrator";b:1;}'),
+(11, 1, 'wpvk_user_level', '10'),
+(12, 1, 'dismissed_wp_pointers', ''),
+(13, 1, 'show_welcome_panel', '1'),
+(14, 1, 'session_tokens', 'a:1:{s:64:"3e9f99a7068bf3fb79f50e111b6ef10f599beb466c27152205d4b89360c5004d";a:4:{s:10:"expiration";i:1456340157;s:2:"ip";s:12:"86.56.56.217";s:2:"ua";s:104:"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.82 Safari/537.36";s:5:"login";i:1455130557;}}'),
+(15, 1, 'wpvk_dashboard_quick_press_last_post_id', '3'),
+(16, 2, 'nickname', 'test1'),
+(17, 2, 'first_name', 'Test1'),
+(18, 2, 'last_name', 'Subscriber'),
+(19, 2, 'description', ''),
+(20, 2, 'rich_editing', 'true'),
+(21, 2, 'comment_shortcuts', 'false'),
+(22, 2, 'admin_color', 'fresh'),
+(23, 2, 'use_ssl', '0'),
+(24, 2, 'show_admin_bar_front', 'true'),
+(25, 2, 'wpvk_capabilities', 'a:1:{s:10:"subscriber";b:1;}'),
+(26, 2, 'wpvk_user_level', '0'),
+(27, 2, 'dismissed_wp_pointers', ''),
+(28, 3, 'nickname', 'test2'),
+(29, 3, 'first_name', 'Test2'),
+(30, 3, 'last_name', 'Contributor'),
+(31, 3, 'description', ''),
+(32, 3, 'rich_editing', 'true'),
+(33, 3, 'comment_shortcuts', 'false'),
+(34, 3, 'admin_color', 'fresh'),
+(35, 3, 'use_ssl', '0'),
+(36, 3, 'show_admin_bar_front', 'true'),
+(37, 3, 'wpvk_capabilities', 'a:1:{s:11:"contributor";b:1;}'),
+(38, 3, 'wpvk_user_level', '1'),
+(39, 3, 'dismissed_wp_pointers', ''),
+(40, 4, 'nickname', 'test3'),
+(41, 4, 'first_name', 'Test3'),
+(42, 4, 'last_name', 'Author'),
+(43, 4, 'description', ''),
+(44, 4, 'rich_editing', 'true'),
+(45, 4, 'comment_shortcuts', 'false'),
+(46, 4, 'admin_color', 'fresh'),
+(47, 4, 'use_ssl', '0'),
+(48, 4, 'show_admin_bar_front', 'true'),
+(49, 4, 'wpvk_capabilities', 'a:1:{s:6:"author";b:1;}'),
+(50, 4, 'wpvk_user_level', '2'),
+(51, 4, 'dismissed_wp_pointers', '');
+
+-- --------------------------------------------------------
+
+--
+-- Table structure for table `wpvk_users`
+--
+
+CREATE TABLE IF NOT EXISTS `wpvk_users` (
+ `ID` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
+ `user_login` varchar(60) NOT NULL DEFAULT '',
+ `user_pass` varchar(255) NOT NULL DEFAULT '',
+ `user_nicename` varchar(50) NOT NULL DEFAULT '',
+ `user_email` varchar(100) NOT NULL DEFAULT '',
+ `user_url` varchar(100) NOT NULL DEFAULT '',
+ `user_registered` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+ `user_activation_key` varchar(255) NOT NULL DEFAULT '',
+ `user_status` int(11) NOT NULL DEFAULT '0',
+ `display_name` varchar(250) NOT NULL DEFAULT '',
+ PRIMARY KEY (`ID`),
+ KEY `user_login_key` (`user_login`),
+ KEY `user_nicename` (`user_nicename`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8 AUTO_INCREMENT=5 ;
+
+--
+-- Dumping data for table `wpvk_users`
+--
+
+INSERT INTO `wpvk_users` (`ID`, `user_login`, `user_pass`, `user_nicename`, `user_email`, `user_url`, `user_registered`, `user_activation_key`, `user_status`, `display_name`) VALUES
+(1, 'admin', '$P$BlO2X5nM.djjfsPjOBHz97GHZmpBRr.', 'admin', 'admin@example.com', '', '2016-02-10 18:55:26', '', 0, 'admin'),
+(2, 'test1', '$P$B3BfWySh.ymDeURK0OXMFo4vh4JprO0', 'test1', 'test1@example.com', '', '2016-02-10 18:57:47', '', 0, 'Test1 Subscriber'),
+(3, 'test2', '$P$BMNEUEo5nalKEswryuP69KXEfz8Y.z.', 'test2', 'test2@example.com', '', '2016-02-10 18:58:32', '', 0, 'Test2 Contributor'),
+(4, 'test3', '$P$B2PP3AP6NF/jLO0HYu3xf577rBnp2j.', 'test3', 'test3@example.com', '', '2016-02-10 18:59:19', '', 0, 'Test3 Author');
+
+/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
+/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
+/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;