diff --git a/lib/behat/classes/behat_selectors.php b/lib/behat/classes/behat_selectors.php
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+++ b/lib/behat/classes/behat_selectors.php
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+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Moodle-specific selectors.
+ *
+ * @package    core
+ * @category   test
+ * @copyright  2013 David Monllaó
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Moodle selectors manager.
+ *
+ * @package    core
+ * @category   test
+ * @copyright  2013 David Monllaó
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class behat_selectors {
+
+    /**
+     * @var Allowed types when using text selectors arguments.
+     */
+    protected static $allowedtextselectors = array(
+        'dialogue' => 'dialogue',
+        'block' => 'block',
+        'region' => 'region',
+        'table_row' => 'table_row',
+        'table' => 'table',
+        'fieldset' => 'fieldset',
+        'css_element' => 'css_element',
+        'xpath_element' => 'xpath_element'
+    );
+
+    /**
+     * @var Allowed types when using selector arguments.
+     */
+    protected static $allowedselectors = array(
+        'dialogue' => 'dialogue',
+        'block' => 'block',
+        'region' => 'region',
+        'table_row' => 'table_row',
+        'link' => 'link',
+        'button' => 'button',
+        'link_or_button' => 'link_or_button',
+        'select' => 'select',
+        'checkbox' => 'checkbox',
+        'radio' => 'radio',
+        'file' => 'file',
+        'optgroup' => 'optgroup',
+        'option' => 'option',
+        'table' => 'table',
+        'field' => 'field',
+        'fieldset' => 'fieldset',
+        'css_element' => 'css_element',
+        'xpath_element' => 'xpath_element'
+    );
+
+    /**
+     * Behat by default comes with XPath, CSS and named selectors,
+     * named selectors are a mapping between names (like button) and
+     * xpaths that represents that names and includes a placeholder that
+     * will be replaced by the locator. These are Moodle's own xpaths.
+     *
+     * @var XPaths for moodle elements.
+     */
+    protected static $moodleselectors = array(
+        'dialogue' => <<<XPATH
+.//div[contains(concat(' ', normalize-space(@class), ' '), ' moodle-dialogue ')]/descendant::h1[normalize-space(.) = %locator%]/ancestor::div[contains(concat(' ', normalize-space(@class), ' '), ' moodle-dialogue ')]
+XPATH
+        , 'block' => <<<XPATH
+.//div[contains(concat(' ', normalize-space(@class), ' '), concat(' ', %locator%, ' '))] | .//div[contains(concat(' ', normalize-space(@class), ' '), ' block ')]/descendant::h2[normalize-space(.) = %locator%]/ancestor::div[contains(concat(' ', normalize-space(@class), ' '), ' block ')]
+XPATH
+        , 'region' => <<<XPATH
+.//div[./@id = %locator%]
+XPATH
+        , 'table_row' => <<<XPATH
+.//tr[contains(normalize-space(.), %locator%)]
+XPATH
+    );
+
+    /**
+     * Returns the behat selector and locator for a given moodle selector and locator
+     *
+     * @param string $selectortype The moodle selector type, which includes moodle selectors
+     * @param string $element The locator we look for in that kind of selector
+     * @param Session $session The Mink opened session
+     * @return array Contains the selector and the locator expected by Mink.
+     */
+    public static function get_behat_selector($selectortype, $element, Behat\Mink\Session $session) {
+
+        // CSS and XPath selectors locator is one single argument.
+        if ($selectortype == 'css_element' || $selectortype == 'xpath_element') {
+            $selector = str_replace('_element', '', $selectortype);
+            $locator = $element;
+        } else {
+            // Named selectors uses arrays as locators including the type of named selector.
+            $locator = array($selectortype, $session->getSelectorsHandler()->xpathLiteral($element));
+            $selector = 'named';
+        }
+
+        return array($selector, $locator);
+    }
+
+    /**
+     * Adds moodle selectors as behat named selectors.
+     *
+     * @param Session $session The mink session
+     * @return void
+     */
+    public static function register_moodle_selectors(Behat\Mink\Session $session) {
+
+        foreach (self::get_moodle_selectors() as $name => $xpath) {
+            $session->getSelectorsHandler()->getSelector('named')->registerNamedXpath($name, $xpath);
+        }
+    }
+
+    /**
+     * Allowed selectors getter.
+     *
+     * @return array
+     */
+    public static function get_allowed_selectors() {
+        return self::$allowedselectors;
+    }
+
+    /**
+     * Allowed text selectors getter.
+     *
+     * @return array
+     */
+    public static function get_allowed_text_selectors() {
+        return self::$allowedtextselectors;
+    }
+
+    /**
+     * Moodle selectors attribute accessor.
+     *
+     * @return array
+     */
+    protected static function get_moodle_selectors() {
+        return self::$moodleselectors;
+    }
+}