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<?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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 * Commenting system steps definitions.
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 *
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 * @package    block_comments
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 * @category   test
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 * @copyright  2013 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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require_once(__DIR__ . '/../../../../lib/behat/behat_base.php');
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use Behat\Mink\Exception\ElementNotFoundException as ElementNotFoundException,
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    Behat\Mink\Exception\ExpectationException as ExpectationException;
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/**
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 * Steps definitions to deal with the commenting system
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 *
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 * @package    block_comments
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 * @category   test
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 * @copyright  2013 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_block_comments extends behat_base {
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    /**
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     * Adds the specified option to the comments block of the current page.
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     *
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     * This method can be adapted in future to add other comments considering
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     * that there could be more than one comment textarea per page.
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     *
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     * Only 1 comments block instance is allowed per page, if this changes this
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     * steps definitions should be adapted.
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     *
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     * @Given /^I add "(?P<comment_text_string>(?:[^"]|\\")*)" comment to comments block$/
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     * @throws ElementNotFoundException
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     * @param string $comment
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     */
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    public function i_add_comment_to_comments_block($comment) {
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        // Getting the textarea and setting the provided value.
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        $exception = new ElementNotFoundException($this->getSession(), 'Comments block ');
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        // The whole DOM structure changes depending on JS enabled/disabled.
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        if ($this->running_javascript()) {
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            $commentstextarea = $this->find('css', '.comment-area textarea', $exception);
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            $commentstextarea->setValue($comment);
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            $this->find_link(get_string('savecomment'))->click();
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            // Delay after clicking so that additional comments will have unique time stamps.
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            // We delay 1 second which is all we need.
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            $this->getSession()->wait(1000);
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        } else {
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            $commentstextarea = $this->find('css', '.block_comments form textarea', $exception);
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            $commentstextarea->setValue($comment);
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            // Comments submit button
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            $submit = $this->find('css', '.block_comments form input[type=submit]');
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            $submit->press();
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        }
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    }
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    /**
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     * Deletes the specified comment from the current page's comments block.
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     *
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     * @Given /^I delete "(?P<comment_text_string>(?:[^"]|\\")*)" comment from comments block$/
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     * @throws ElementNotFoundException
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     * @throws ExpectationException
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     * @param string $comment
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     */
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    public function i_delete_comment_from_comments_block($comment) {
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        $exception = new ElementNotFoundException($this->getSession(), '"' . $comment . '" comment ');
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        // Using xpath liternal to avoid possible problems with comments containing quotes.
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        $commentliteral = behat_context_helper::escape($comment);
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        $commentxpath = "//*[contains(concat(' ', normalize-space(@class), ' '), ' block_comments ')]" .
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            "/descendant::div[@class='comment-message'][contains(., $commentliteral)]";
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        $commentnode = $this->find('xpath', $commentxpath, $exception);
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        // Click on delete icon.
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        $this->execute('behat_general::i_click_on_in_the',
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            array("Delete comment posted by", "icon", $this->escape($commentxpath), "xpath_element")
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        );
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        // Wait for the animation to finish, in theory is just 1 sec, adding 4 just in case.
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        $this->getSession()->wait(4 * 1000);
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    }
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}