Proyectos de Subversion Moodle

<?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/>.

/**

 * Steps definitions related to mod_feedback.

 *

 * @package   mod_feedback

 * @category  test

 * @copyright 2016 Marina Glancy

 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

// NOTE: no MOODLE_INTERNAL test here, this file may be required by behat before including /config.php.

require_once(__DIR__ . '/../../../../lib/behat/behat_base.php');

use Behat\Gherkin\Node\TableNode as TableNode,

    Behat\Mink\Exception\ExpectationException as ExpectationException;

/**

 * Steps definitions related to mod_feedback.

 *

 * @copyright 2016 Marina Glancy

 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class behat_mod_feedback extends behat_base {

    /**

     * Adds a question to the existing feedback with filling the form.

     *

     * The form for creating a question should be on one page.

     *

     * @When /^I add a "(?P<question_type_string>(?:[^"]|\\")*)" question to the feedback with:$/

     * @param string $questiontype

     * @param TableNode $questiondata with data for filling the add question form

     */

    public function i_add_question_to_the_feedback_with($questiontype, TableNode $questiondata) {

        $questiontype = $this->escape($questiontype);

        $this->execute('behat_forms::i_select_from_the_singleselect', array($questiontype, 'typ'));

        // Wait again, for page to reloaded.

        $this->execute('behat_general::i_wait_to_be_redirected');

        $rows = $questiondata->getRows();

        $modifiedrows = array();

        foreach ($rows as $row) {

            foreach ($row as $key => $value) {

                $row[$key] = preg_replace('|\\\\n|', "\n", $value);

            }

            $modifiedrows[] = $row;

        }

        $newdata = new TableNode($modifiedrows);

        $this->execute("behat_forms::i_set_the_following_fields_to_these_values", $newdata);

        $saveitem = $this->escape(get_string('save'));

        $this->execute("behat_forms::press_button", $saveitem);

    }

    /**

     * Adds a question to the existing feedback with filling the form.

     *

     * The form for creating a question should be on one page.

     *

     * @When /^I add a page break to the feedback$/

     */

    public function i_add_a_page_break_to_the_feedback() {

        $questiontype = $this->escape(get_string('add_pagebreak', 'feedback'));

        $this->execute('behat_forms::i_select_from_the_singleselect', array($questiontype, 'typ'));

        // Wait again, for page to reloaded.

        $this->execute('behat_general::i_wait_to_be_redirected');

    }

    /**

     * Quick way to generate answers to a one-page feedback.

     *

     * @When /^I log in as "(?P<user_name_string>(?:[^"]|\\")*)" and complete feedback "(?P<feedback_name_string>(?:[^"]|\\")*)" in course "(?P<course_name_string>(?:[^"]|\\")*)" with:$/

     * @param string $questiontype

     * @param TableNode $questiondata with data for filling the add question form

     */

    public function i_log_in_as_and_complete_feedback_in_course($username, $feedbackname, $coursename, TableNode $answers) {

        $username = $this->escape($username);

        $coursename = $this->escape($coursename);

        $feedbackname = $this->escape($feedbackname);

        $completeform = $this->escape(get_string('complete_the_form', 'feedback'));

        // Log in as user.

        $this->execute('behat_auth::i_log_in_as', $username);

        // Navigate to feedback complete form.

        $this->execute('behat_navigation::i_am_on_page_instance', [$feedbackname, 'feedback activity']);

        $this->execute('behat_general::click_link', $completeform);

        // Fill form and submit.

        $this->execute("behat_forms::i_set_the_following_fields_to_these_values", $answers);

        $this->execute("behat_forms::press_button", 'Submit your answers');

        // Log out.

        $this->execute('behat_auth::i_log_out');

    }

    /**

     * Exports feedback and makes sure the export file is the same as in the fixture

     *

     * @Then /^following "(?P<link_string>(?:[^"]|\\")*)" should export feedback identical to "(?P<filename_string>(?:[^"]|\\")*)"$/

     * @param string $link

     * @param string $filename

     */

    public function following_should_export_feedback_identical_to($link, $filename) {

        global $CFG;

        $exception = new ExpectationException('Error while downloading data from ' . $link, $this->getSession());

        // It will stop spinning once file is downloaded or time out.

        $behatgeneralcontext = behat_context_helper::get('behat_general');

        $result = $this->spin(

            function($context, $args) use ($behatgeneralcontext) {

                $link = $args['link'];

                return $behatgeneralcontext->download_file_from_link($link);

            },

            array('link' => $link),

            behat_base::get_extended_timeout(),

            $exception

        );

        $this->compare_exports(file_get_contents($CFG->dirroot . '/' . $filename), $result);

    }

    /**

     * Clicks on Show chart data to display chart data if not visible.

     *

     * @Then /^I show chart data for the "(?P<feedback_name_string>(?:[^"]|\\")*)" feedback$/

     * @param string $feedbackname name of the feedback for which chart data needs to be shown.

     */

    public function i_show_chart_data_for_the_feedback($feedbackname) {

        $feedbackxpath = "//th[contains(normalize-space(string(.)), \"" . $feedbackname . "\")]/ancestor::table//" .

            "div[contains(concat(' ', normalize-space(@class), ' '), ' chart-table ')]" .

            "//p[contains(concat(' ', normalize-space(@class), ' '), ' chart-table-expand ') and ".

            "//a[contains(normalize-space(string(.)), '".get_string('showchartdata')."')]]";

        $charttabledataxpath = $feedbackxpath .

            "/following-sibling::div[contains(concat(' ', normalize-space(@class), ' '), ' chart-table-data ')][1]";

        // If chart data is not visible then expand.

        $node = $this->get_selected_node("xpath_element", $charttabledataxpath);

        if ($node) {

            if ($node->getAttribute('aria-expanded') === 'false') {

                $this->execute('behat_general::i_click_on_in_the', array(

                    get_string('showchartdata'),

                    'link',

                    $feedbackxpath,

                    'xpath_element'

                ));

            }

        }

    }

    /**

     * Ensures two feedback export files are identical

     *

     * Maps the itemids and converts DEPENDITEM if necessary

     *

     * Throws ExpectationException if exports are different

     *

     * @param string $expected

     * @param string $actual

     * @throws ExpectationException

     */

    protected function compare_exports($expected, $actual) {

        $dataexpected = xmlize($expected, 1, 'UTF-8');

        $dataexpected = $dataexpected['FEEDBACK']['#']['ITEMS'][0]['#']['ITEM'];

        $dataactual = xmlize($actual, 1, 'UTF-8');

        $dataactual = $dataactual['FEEDBACK']['#']['ITEMS'][0]['#']['ITEM'];

        if (count($dataexpected) != count($dataactual)) {

            throw new ExpectationException('Expected ' . count($dataexpected) .

                    ' items in the export file, found ' . count($dataactual), $this->getSession());

        }

        $itemmapping = array();

        $itemactual = reset($dataactual);

        foreach ($dataexpected as $idx => $itemexpected) {

            // Map ITEMID and DEPENDITEM.

            $itemmapping[intval($itemactual['#']['ITEMID'][0]['#'])] = intval($itemexpected['#']['ITEMID'][0]['#']);

            $itemactual['#']['ITEMID'][0]['#'] = $itemexpected['#']['ITEMID'][0]['#'];

            $expecteddependitem = $actualdependitem = 0;

            if (isset($itemexpected['#']['DEPENDITEM'][0]['#'])) {

                $expecteddependitem = intval($itemexpected['#']['DEPENDITEM'][0]['#']);

            }

            if (isset($itemactual['#']['DEPENDITEM'][0]['#'])) {

                $actualdependitem = intval($itemactual['#']['DEPENDITEM'][0]['#']);

            }

            if ($expecteddependitem && !$actualdependitem) {

                throw new ExpectationException('Expected DEPENDITEM in ' . ($idx + 1) . 'th item', $this->getSession());

            }

            if (!$expecteddependitem && $actualdependitem) {

                throw new ExpectationException('Unexpected DEPENDITEM in ' . ($idx + 1) . 'th item', $this->getSession());

            }

            if ($expecteddependitem && $actualdependitem) {

                if (!isset($itemmapping[$actualdependitem]) || $itemmapping[$actualdependitem] != $expecteddependitem) {

                    throw new ExpectationException('Unknown DEPENDITEM in ' . ($idx + 1) . 'th item', $this->getSession());

                }

                $itemactual['#']['DEPENDITEM'][0]['#'] = $itemexpected['#']['DEPENDITEM'][0]['#'];

            }

            // Now, after mapping, $itemexpected should be exactly the same as $itemactual.

            if (json_encode($itemexpected) !== json_encode($itemactual)) {

                throw new ExpectationException('Actual ' . ($idx + 1) . 'th item does not match expected', $this->getSession());

            }

            // Get the next itemactual.

            $itemactual = next($dataactual);

        }

    }

}