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| <?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 question backup and restore. | ||
| * | ||
| * @package core_question | ||
| * @category test | ||
| * @copyright 2018 Shamim Rezaie <shamim@moodle.com> | ||
| * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | ||
| */ | ||
|
|
||
| defined('MOODLE_INTERNAL') || die(); | ||
|
|
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| global $CFG; | ||
| require_once($CFG->dirroot . '/backup/util/includes/backup_includes.php'); | ||
| require_once($CFG->dirroot . '/backup/util/includes/restore_includes.php'); | ||
|
|
||
| /** | ||
| * Class core_question_backup_testcase | ||
| * | ||
| * @copyright 2018 Shamim Rezaie <shamim@moodle.com> | ||
| * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | ||
| */ | ||
| class core_question_backup_testcase extends advanced_testcase { | ||
|
|
||
| /** | ||
| * Makes a backup of the course. | ||
| * | ||
| * @param stdClass $course The course object. | ||
| * @return string Unique identifier for this backup. | ||
| */ | ||
| protected function backup_course($course) { | ||
| global $CFG, $USER; | ||
|
|
||
| // Turn off file logging, otherwise it can't delete the file (Windows). | ||
| $CFG->backup_file_logger_level = backup::LOG_NONE; | ||
|
|
||
| // Do backup with default settings. MODE_IMPORT means it will just | ||
| // create the directory and not zip it. | ||
| $bc = new backup_controller(backup::TYPE_1COURSE, $course->id, | ||
| backup::FORMAT_MOODLE, backup::INTERACTIVE_NO, backup::MODE_IMPORT, | ||
| $USER->id); | ||
| $backupid = $bc->get_backupid(); | ||
| $bc->execute_plan(); | ||
| $bc->destroy(); | ||
|
|
||
| return $backupid; | ||
| } | ||
|
|
||
| /** | ||
| * Restores a backup that has been made earlier. | ||
| * | ||
| * @param string $backupid The unique identifier of the backup. | ||
| * @param string $fullname Full name of the new course that is going to be created. | ||
| * @param string $shortname Short name of the new course that is going to be created. | ||
| * @param int $categoryid The course category the backup is going to be restored in. | ||
| * @param string[] $expectedprecheckwarning | ||
| * @return int The new course id. | ||
| */ | ||
| protected function restore_course($backupid, $fullname, $shortname, $categoryid, $expectedprecheckwarning = []) { | ||
| global $CFG, $USER; | ||
|
|
||
| // Turn off file logging, otherwise it can't delete the file (Windows). | ||
| $CFG->backup_file_logger_level = backup::LOG_NONE; | ||
|
|
||
| // Do restore to new course with default settings. | ||
| $newcourseid = restore_dbops::create_new_course($fullname, $shortname, $categoryid); | ||
| $rc = new restore_controller($backupid, $newcourseid, | ||
| backup::INTERACTIVE_NO, backup::MODE_GENERAL, $USER->id, | ||
| backup::TARGET_NEW_COURSE); | ||
|
|
||
| $precheck = $rc->execute_precheck(); | ||
| if (!$expectedprecheckwarning) { | ||
| $this->assertTrue($precheck); | ||
| } else { | ||
| $precheckresults = $rc->get_precheck_results(); | ||
| $this->assertEquals(['warnings' => $expectedprecheckwarning], $precheckresults); | ||
| } | ||
| $rc->execute_plan(); | ||
| $rc->destroy(); | ||
|
|
||
| return $newcourseid; | ||
| } | ||
|
|
||
| /** | ||
| * This function tests backup and restore of question tags and course level question tags. | ||
| */ | ||
| public function test_backup_question_tags() { | ||
| global $DB; | ||
|
|
||
| $this->resetAfterTest(); | ||
| $this->setAdminUser(); | ||
|
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||
| // Create a new course category and and a new course in that. | ||
| $category1 = $this->getDataGenerator()->create_category(); | ||
| $course = $this->getDataGenerator()->create_course(array('category' => $category1->id)); | ||
| $courseshortname = $course->shortname; | ||
| $coursefullname = $course->fullname; | ||
|
|
||
| // Create 2 questions. | ||
| $qgen = $this->getDataGenerator()->get_plugin_generator('core_question'); | ||
| $context = context_coursecat::instance($category1->id); | ||
| $qcat = $qgen->create_question_category(array('contextid' => $context->id)); | ||
| $question1 = $qgen->create_question('shortanswer', null, array('category' => $qcat->id)); | ||
| $question2 = $qgen->create_question('shortanswer', null, array('category' => $qcat->id)); | ||
|
|
||
| // Tag the questions with 2 question tags and 2 course level question tags. | ||
| $qcontext = context::instance_by_id($qcat->contextid); | ||
| $coursecontext = context_course::instance($course->id); | ||
| core_tag_tag::set_item_tags('core_question', 'question', $question1->id, $qcontext, ['qtag1', 'qtag2']); | ||
| core_tag_tag::set_item_tags('core_question', 'question', $question2->id, $qcontext, ['qtag3', 'qtag4']); | ||
| core_tag_tag::set_item_tags('core_question', 'question', $question1->id, $coursecontext, ['ctag1', 'ctag2']); | ||
| core_tag_tag::set_item_tags('core_question', 'question', $question2->id, $coursecontext, ['ctag3', 'ctag4']); | ||
|
|
||
| // Create a quiz and add one of the questions to that. | ||
| $quiz = $this->getDataGenerator()->create_module('quiz', array('course' => $course->id)); | ||
| quiz_add_quiz_question($question1->id, $quiz); | ||
|
|
||
| // Backup the course twice for future use. | ||
| $backupid1 = $this->backup_course($course); | ||
| $backupid2 = $this->backup_course($course); | ||
|
|
||
| // Now delete almost everything. | ||
| delete_course($course, false); | ||
| question_delete_question($question1->id); | ||
| question_delete_question($question2->id); | ||
|
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| // Restore the backup we had made earlier into a new course. | ||
| $courseid2 = $this->restore_course($backupid1, $coursefullname, $courseshortname . '_2', $category1->id); | ||
|
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||
| // The questions should remain in the question category they were which is | ||
| // a question category belonging to a course category context. | ||
| $questions = $DB->get_records('question', array('category' => $qcat->id)); | ||
| $this->assertCount(2, $questions); | ||
|
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||
| // Retrieve tags for each question and check if they are assigned at the right context. | ||
| foreach ($questions as $question) { | ||
| $tags = core_tag_tag::get_item_tags('core_question', 'question', $question->id); | ||
|
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| // Each question is tagged with 4 tags (2 question tags + 2 course tags). | ||
| $this->assertCount(4, $tags); | ||
|
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| foreach ($tags as $tag) { | ||
| if (in_array($tag->name, ['ctag1', 'ctag2', 'ctag3', 'ctag4'])) { | ||
| $expected = context_course::instance($courseid2)->id; | ||
| } else if (in_array($tag->name, ['qtag1', 'qtag2', 'qtag3', 'qtag4'])) { | ||
| $expected = $qcontext->id; | ||
| } | ||
| $this->assertEquals($expected, $tag->taginstancecontextid); | ||
| } | ||
| } | ||
|
|
||
| // Now, again, delete everything including the course category. | ||
| delete_course($courseid2, false); | ||
| foreach ($questions as $question) { | ||
| question_delete_question($question->id); | ||
| } | ||
| $category1->delete_full(false); | ||
|
|
||
| // Create a new course category to restore the backup file into it. | ||
| $category2 = $this->getDataGenerator()->create_category(); | ||
|
|
||
| $expectedwarnings = array( | ||
| get_string('qcategory2coursefallback', 'backup', (object) ['name' => 'top']), | ||
| get_string('qcategory2coursefallback', 'backup', (object) ['name' => $qcat->name]) | ||
| ); | ||
|
|
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| // Restore to a new course in the new course category. | ||
| $courseid3 = $this->restore_course($backupid2, $coursefullname, $courseshortname . '_3', $category2->id, $expectedwarnings); | ||
| $coursecontext3 = context_course::instance($courseid3); | ||
|
|
||
| // The questions should have been moved to a question category that belongs to a course context. | ||
| $questions = $DB->get_records_sql("SELECT q.* | ||
| FROM {question} q | ||
| JOIN {question_categories} qc ON q.category = qc.id | ||
| WHERE qc.contextid = ?", array($coursecontext3->id)); | ||
| $this->assertCount(2, $questions); | ||
|
|
||
| // Now, retrieve tags for each question and check if they are assigned at the right context. | ||
| foreach ($questions as $question) { | ||
| $tags = core_tag_tag::get_item_tags('core_question', 'question', $question->id); | ||
|
|
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| // Each question is tagged with 4 tags (all are course tags now). | ||
| $this->assertCount(4, $tags); | ||
|
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| foreach ($tags as $tag) { | ||
| $this->assertEquals($coursecontext3->id, $tag->taginstancecontextid); | ||
| } | ||
| } | ||
|
|
||
| } | ||
| } |