MDL-71683 behat: Add step definitions related to the lang menu in boost

- Part of: MDL-69588

theme/boost/tests/behat/behat_theme_boost_behat_navigation.php

@@ -0,0 +1,78 @@
+<?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/>.
+
+// NOTE: no MOODLE_INTERNAL test here, this file may be required by behat before including /config.php.
+// For that reason, we can't even rely on $CFG->admin being available here.
+
+require_once(__DIR__ . '/../../../../lib/tests/behat/behat_navigation.php');
+
+use Behat\Mink\Exception\ElementNotFoundException as ElementNotFoundException;
+use Behat\Mink\Exception\ExpectationException as ExpectationException;
+
+/**
+ * Step definitions related to the navigation in the Boost theme.
+ *
+ * @package    theme_boost
+ * @category   test
+ * @copyright  2021 Mihail Geshoski
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class behat_theme_boost_behat_navigation extends behat_navigation {
+
+    /**
+     * Checks whether the language selector menu is present in the navbar.
+     *
+     * @Given language selector menu should exist in the navbar
+     * @Given language selector menu should :not exist in the navbar
+     *
+     * @throws ElementNotFoundException
+     * @param string|null $not Instructs to checks whether the element does not exist in the user menu, if defined
+     * @return void
+     */
+    public function lang_menu_should_exist($not = null) {
+        $callfunction = is_null($not) ? 'should_exist' : 'should_not_exist';
+        $this->execute("behat_general::{$callfunction}", [$this->get_lang_menu_xpath(), 'xpath_element']);
+    }
+
+    /**
+     * Checks whether an item exists in the language selector menu.
+     *
+     * @Given :itemtext :selectortype should exist in the language selector menu
+     * @Given :itemtext :selectortype should :not exist in the language selector menu
+     *
+     * @throws ElementNotFoundException
+     * @param string $itemtext The menu item to find
+     * @param string $selectortype The selector type
+     * @param string|null $not Instructs to checks whether the element does not exist in the user menu, if defined
+     * @return void
+     */
+    public function should_exist_in_lang_menu($itemtext, $selectortype, $not = null) {
+        $callfunction = is_null($not) ? 'should_exist_in_the' : 'should_not_exist_in_the';
+        $this->execute("behat_general::{$callfunction}",
+            [$itemtext, $selectortype, $this->get_lang_menu_xpath(), 'xpath_element']);
+    }
+
+    /**
+     * Return the xpath for the language selector menu element.
+     *
+     * @return string The xpath
+     */
+    protected function get_lang_menu_xpath() {
+        return "//nav[contains(concat(' ', @class, ' '), ' navbar ')]" .
+            "//div[contains(concat(' ', @class, ' '),  ' langmenu ')]" .
+            "//div[contains(concat(' ', @class, ' '), ' dropdown-menu ')]";
+    }
+}

theme/classic/tests/behat/blacklist.json

@@ -1,4 +1,7 @@
 {
+    "contexts": [
+        "behat_theme_boost_behat_navigation"
+    ],
     "features": [
         "lib/tests/behat/action_menu.feature",
         "blocks/tests/behat/hide_blocks.feature",