#Gocha#

<?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/>.

/**
 * Unit tests for (some of) mod/quiz/editlib.php.
 *
 * @package    mod_quiz
 * @category   phpunit
 * @copyright  2009 Tim Hunt
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

global $CFG;
require_once($CFG->dirroot . '/mod/quiz/editlib.php');

/**
 * Unit tests for (some of) mod/quiz/editlib.php.
 *
 * @copyright 2009 Tim Hunt
 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class mod_quiz_editlib_testcase extends advanced_testcase {
 public function test_quiz_question_tostring() {
 $question = new stdClass();
 $question->qtype = 'multichoice';
 $question->name = 'The question name';
 $question->questiontext = 'What sort of inequality is x &lt; y<img alt="?" src="...">';
 $question->questiontextformat = FORMAT_HTML;

$summary = quiz_question_tostring($question);
 $this->assertEquals('The question name' .
 'What sort of INEQUALITY is x &lt; y[?]', $summary);
 }

/**
     * Test removing slots from a quiz.
     */
    public function test_quiz_remove_slot() {
        global $SITE, $DB;
        $this->resetAfterTest(true);
        $this->setAdminUser();

// Setup a quiz with 1 standard and 1 random question.
        $quizgenerator = $this->getDataGenerator()->get_plugin_generator('mod_quiz');
        $quiz = $quizgenerator->create_instance(array('course' => $SITE->id, 'questionsperpage' => 3, 'grade' => 100.0));

$questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
        $cat = $questiongenerator->create_question_category();
        $standardq = $questiongenerator->create_question('shortanswer', null, array('category' => $cat->id));

quiz_add_quiz_question($standardq->id, $quiz);
        quiz_add_random_questions($quiz, 0, $cat->id, 1, false);

// Get the random question.
        $randomq = $DB->get_record('question', array('qtype' => 'random'));

$slotssql = "SELECT qs.*, q.qtype AS qtype
                       FROM {quiz_slots} qs
                       JOIN {question} q ON qs.questionid = q.id
                      WHERE qs.quizid = ?
                   ORDER BY qs.slot";
        $slots = $DB->get_records_sql($slotssql, array($quiz->id));

// Check that the setup looks right.
        $this->assertEquals(2, count($slots));
        $slot = array_shift($slots);
        $this->assertEquals($standardq->id, $slot->questionid);
        $slot = array_shift($slots);
        $this->assertEquals($randomq->id, $slot->questionid);
        $this->assertEquals(2, $slot->slot);

// Remove the standard question.
        quiz_remove_slot($quiz, 1);

$slots = $DB->get_records_sql($slotssql, array($quiz->id));

// Check the new ordering, and that the slot number was updated.
        $this->assertEquals(1, count($slots));
        $slot = array_shift($slots);
        $this->assertEquals($randomq->id, $slot->questionid);
        $this->assertEquals(1, $slot->slot);

// Check the the standard question was not deleted.
        $count = $DB->count_records('question', array('id' => $standardq->id));
        $this->assertEquals(1, $count);

// Remove the random question.
        quiz_remove_slot($quiz, 1);

$slots = $DB->get_records_sql($slotssql, array($quiz->id));

// Check that new ordering.
        $this->assertEquals(0, count($slots));

// Check that the random question was deleted.
        $count = $DB->count_records('question', array('id' => $randomq->id));
        $this->assertEquals(0, $count);
    }
}