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96 lines
2.6 KiB
PHP
96 lines
2.6 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Helper to get behat contexts from other contexts.
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*
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* @package core
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* @category test
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* @copyright 2014 David Monllaó
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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// NOTE: no MOODLE_INTERNAL test here, this file may be required by behat before including /config.php.
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use Behat\Testwork\Environment\Environment;
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/**
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* Helper to get behat contexts.
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*
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* @package core
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* @category test
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* @copyright 2014 David Monllaó
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class behat_context_helper {
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/**
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* Behat environment.
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*
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* @var Environment
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*/
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protected static $environment = null;
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/**
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* @var Escaper::escapeLiteral
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*/
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protected static $escaper;
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/**
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* Sets the browser session.
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*
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* @param Environment $environment
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* @return void
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*/
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public static function set_session(Environment $environment) {
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self::$environment = $environment;
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}
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/**
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* Gets the required context.
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*
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* Getting a context you get access to all the steps
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* that uses direct API calls; steps returning step chains
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* can not be executed like this.
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*
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* @throws coding_exception
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* @param string $classname Context identifier (the class name).
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* @return behat_base
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*/
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public static function get($classname) {
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if (!$subcontext = self::$environment->getContext($classname)) {
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throw coding_exception('The required "' . $classname . '" class does not exist');
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}
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return $subcontext;
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}
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/**
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* Translates string to XPath literal.
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*
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* @param string $label label to escape
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* @return string escaped string.
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*/
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public static function escape($label) {
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if (empty(self::$escaper)) {
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self::$escaper = new \Behat\Mink\Selector\Xpath\Escaper();
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}
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return self::$escaper->escapeLiteral($label);
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}
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}
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