mirror of
https://github.com/moodle/moodle.git
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403 lines
17 KiB
PHP
403 lines
17 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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* Unit tests for (some of) ../questionlib.php.
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*
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* @package core_question
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* @category phpunit
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* @copyright 2006 The Open University
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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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defined('MOODLE_INTERNAL') || die();
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global $CFG;
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require_once($CFG->libdir . '/questionlib.php');
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require_once($CFG->dirroot . '/mod/quiz/locallib.php');
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// Get the necessary files to perform backup and restore.
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require_once($CFG->dirroot . '/backup/util/includes/backup_includes.php');
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require_once($CFG->dirroot . '/backup/util/includes/restore_includes.php');
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/**
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* Unit tests for (some of) ../questionlib.php.
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*
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* @copyright 2006 The Open University
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class core_questionlib_testcase extends advanced_testcase {
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/**
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* Test set up.
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*
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* This is executed before running any test in this file.
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*/
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public function setUp() {
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$this->resetAfterTest();
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}
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/**
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* Tidy up open files that may be left open.
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*/
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protected function tearDown() {
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gc_collect_cycles();
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}
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/**
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* Return true and false to test functions with feedback on and off.
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*
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* @return array Test data
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*/
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public function provider_feedback() {
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return array(
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'Feedback test' => array(true),
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'No feedback test' => array(false)
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);
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}
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/**
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* Setup a course, a quiz, a question category and a question for testing.
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*
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* @param string $type The type of question category to create.
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* @return array The created data objects
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*/
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public function setup_quiz_and_questions($type = 'module') {
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// Create course category.
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$category = $this->getDataGenerator()->create_category();
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// Create course.
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$course = $this->getDataGenerator()->create_course(array('numsections' => 5));
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$options = array(
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'course' => $course->id,
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'duedate' => time(),
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);
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// Generate an assignment with due date (will generate a course event).
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$quiz = $this->getDataGenerator()->create_module('quiz', $options);
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$qgen = $this->getDataGenerator()->get_plugin_generator('core_question');
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if ('course' == $type) {
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$context = context_course::instance($course->id);
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} else if ('category' == $type) {
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$context = context_coursecat::instance($category->id);
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} else {
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$context = context_module::instance($quiz->cmid);
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}
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$qcat = $qgen->create_question_category(array('contextid' => $context->id));
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$questions = array(
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$qgen->create_question('shortanswer', null, array('category' => $qcat->id)),
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$qgen->create_question('shortanswer', null, array('category' => $qcat->id)),
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);
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quiz_add_quiz_question($questions[0]->id, $quiz);
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return array($category, $course, $quiz, $qcat, $questions);
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}
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public function test_question_reorder_qtypes() {
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$this->assertEquals(
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array(0 => 't2', 1 => 't1', 2 => 't3'),
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question_reorder_qtypes(array('t1' => '', 't2' => '', 't3' => ''), 't1', +1));
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$this->assertEquals(
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array(0 => 't1', 1 => 't2', 2 => 't3'),
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question_reorder_qtypes(array('t1' => '', 't2' => '', 't3' => ''), 't1', -1));
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$this->assertEquals(
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array(0 => 't2', 1 => 't1', 2 => 't3'),
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question_reorder_qtypes(array('t1' => '', 't2' => '', 't3' => ''), 't2', -1));
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$this->assertEquals(
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array(0 => 't1', 1 => 't2', 2 => 't3'),
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question_reorder_qtypes(array('t1' => '', 't2' => '', 't3' => ''), 't3', +1));
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$this->assertEquals(
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array(0 => 't1', 1 => 't2', 2 => 't3'),
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question_reorder_qtypes(array('t1' => '', 't2' => '', 't3' => ''), 'missing', +1));
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}
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public function test_match_grade_options() {
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$gradeoptions = question_bank::fraction_options_full();
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$this->assertEquals(0.3333333, match_grade_options($gradeoptions, 0.3333333, 'error'));
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$this->assertEquals(0.3333333, match_grade_options($gradeoptions, 0.333333, 'error'));
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$this->assertEquals(0.3333333, match_grade_options($gradeoptions, 0.33333, 'error'));
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$this->assertFalse(match_grade_options($gradeoptions, 0.3333, 'error'));
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$this->assertEquals(0.3333333, match_grade_options($gradeoptions, 0.3333333, 'nearest'));
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$this->assertEquals(0.3333333, match_grade_options($gradeoptions, 0.333333, 'nearest'));
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$this->assertEquals(0.3333333, match_grade_options($gradeoptions, 0.33333, 'nearest'));
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$this->assertEquals(0.3333333, match_grade_options($gradeoptions, 0.33, 'nearest'));
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$this->assertEquals(-0.1428571, match_grade_options($gradeoptions, -0.15, 'nearest'));
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}
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/**
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* This function tests that the functions responsible for moving questions to
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* different contexts also updates the tag instances associated with the questions.
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*/
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public function test_altering_tag_instance_context() {
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global $CFG, $DB;
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// Set to admin user.
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$this->setAdminUser();
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// Create two course categories - we are going to delete one of these later and will expect
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// all the questions belonging to the course in the deleted category to be moved.
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$coursecat1 = $this->getDataGenerator()->create_category();
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$coursecat2 = $this->getDataGenerator()->create_category();
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// Create a couple of categories and questions.
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$context1 = context_coursecat::instance($coursecat1->id);
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$context2 = context_coursecat::instance($coursecat2->id);
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$questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
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$questioncat1 = $questiongenerator->create_question_category(array('contextid' =>
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$context1->id));
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$questioncat2 = $questiongenerator->create_question_category(array('contextid' =>
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$context2->id));
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$question1 = $questiongenerator->create_question('shortanswer', null, array('category' => $questioncat1->id));
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$question2 = $questiongenerator->create_question('shortanswer', null, array('category' => $questioncat1->id));
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$question3 = $questiongenerator->create_question('shortanswer', null, array('category' => $questioncat2->id));
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$question4 = $questiongenerator->create_question('shortanswer', null, array('category' => $questioncat2->id));
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// Now lets tag these questions.
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core_tag_tag::set_item_tags('core_question', 'question', $question1->id, $context1, array('tag 1', 'tag 2'));
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core_tag_tag::set_item_tags('core_question', 'question', $question2->id, $context1, array('tag 3', 'tag 4'));
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core_tag_tag::set_item_tags('core_question', 'question', $question3->id, $context2, array('tag 5', 'tag 6'));
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core_tag_tag::set_item_tags('core_question', 'question', $question4->id, $context2, array('tag 7', 'tag 8'));
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// Test moving the questions to another category.
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question_move_questions_to_category(array($question1->id, $question2->id), $questioncat2->id);
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// Test that all tag_instances belong to one context.
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$this->assertEquals(8, $DB->count_records('tag_instance', array('component' => 'core_question',
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'contextid' => $questioncat2->contextid)));
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// Test moving them back.
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question_move_questions_to_category(array($question1->id, $question2->id), $questioncat1->id);
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// Test that all tag_instances are now reset to how they were initially.
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$this->assertEquals(4, $DB->count_records('tag_instance', array('component' => 'core_question',
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'contextid' => $questioncat1->contextid)));
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$this->assertEquals(4, $DB->count_records('tag_instance', array('component' => 'core_question',
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'contextid' => $questioncat2->contextid)));
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// Now test moving a whole question category to another context.
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question_move_category_to_context($questioncat1->id, $questioncat1->contextid, $questioncat2->contextid);
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// Test that all tag_instances belong to one context.
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$this->assertEquals(8, $DB->count_records('tag_instance', array('component' => 'core_question',
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'contextid' => $questioncat2->contextid)));
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// Now test moving them back.
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question_move_category_to_context($questioncat1->id, $questioncat2->contextid,
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context_coursecat::instance($coursecat1->id)->id);
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// Test that all tag_instances are now reset to how they were initially.
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$this->assertEquals(4, $DB->count_records('tag_instance', array('component' => 'core_question',
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'contextid' => $questioncat1->contextid)));
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$this->assertEquals(4, $DB->count_records('tag_instance', array('component' => 'core_question',
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'contextid' => $questioncat2->contextid)));
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// Now we want to test deleting the course category and moving the questions to another category.
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question_delete_course_category($coursecat1, $coursecat2, false);
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// Test that all tag_instances belong to one context.
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$this->assertEquals(8, $DB->count_records('tag_instance', array('component' => 'core_question',
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'contextid' => $questioncat2->contextid)));
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// Create a course.
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$course = $this->getDataGenerator()->create_course();
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// Create some question categories and questions in this course.
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$coursecontext = context_course::instance($course->id);
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$questioncat = $questiongenerator->create_question_category(array('contextid' =>
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$coursecontext->id));
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$question1 = $questiongenerator->create_question('shortanswer', null, array('category' => $questioncat->id));
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$question2 = $questiongenerator->create_question('shortanswer', null, array('category' => $questioncat->id));
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// Add some tags to these questions.
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core_tag_tag::set_item_tags('core_question', 'question', $question1->id, $coursecontext, array('tag 1', 'tag 2'));
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core_tag_tag::set_item_tags('core_question', 'question', $question2->id, $coursecontext, array('tag 1', 'tag 2'));
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// Create a course that we are going to restore the other course to.
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$course2 = $this->getDataGenerator()->create_course();
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// Create backup file and save it to the backup location.
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$bc = new backup_controller(backup::TYPE_1COURSE, $course->id, backup::FORMAT_MOODLE,
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backup::INTERACTIVE_NO, backup::MODE_GENERAL, 2);
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$bc->execute_plan();
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$results = $bc->get_results();
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$file = $results['backup_destination'];
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$fp = get_file_packer('application/vnd.moodle.backup');
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$filepath = $CFG->dataroot . '/temp/backup/test-restore-course';
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$file->extract_to_pathname($fp, $filepath);
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$bc->destroy();
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unset($bc);
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// Now restore the course.
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$rc = new restore_controller('test-restore-course', $course2->id, backup::INTERACTIVE_NO,
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backup::MODE_GENERAL, 2, backup::TARGET_NEW_COURSE);
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$rc->execute_precheck();
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$rc->execute_plan();
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// Get the created question category.
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$restoredcategory = $DB->get_record('question_categories', array('contextid' => context_course::instance($course2->id)->id),
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'*', MUST_EXIST);
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// Check that there are two questions in the restored to course's context.
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$this->assertEquals(2, $DB->count_records('question', array('category' => $restoredcategory->id)));
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}
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/**
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* This function tests the question_category_delete_safe function.
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*/
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public function test_question_category_delete_safe() {
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global $DB;
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$this->resetAfterTest(true);
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$this->setAdminUser();
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list($category, $course, $quiz, $qcat, $questions) = $this->setup_quiz_and_questions();
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question_category_delete_safe($qcat);
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// Verify category deleted.
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$criteria = array('id' => $qcat->id);
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$this->assertEquals(0, $DB->count_records('question_categories', $criteria));
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// Verify questions deleted or moved.
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$criteria = array('category' => $qcat->id);
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$this->assertEquals(0, $DB->count_records('question', $criteria));
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// Verify question not deleted.
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$criteria = array('id' => $questions[0]->id);
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$this->assertEquals(1, $DB->count_records('question', $criteria));
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}
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/**
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* This function tests the question_delete_activity function.
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*
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* @param bool $feedback Whether to return feedback
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* @dataProvider provider_feedback
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*/
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public function test_question_delete_activity($feedback) {
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global $DB;
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$this->resetAfterTest(true);
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$this->setAdminUser();
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list($category, $course, $quiz, $qcat, $questions) = $this->setup_quiz_and_questions();
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$cm = get_coursemodule_from_instance('quiz', $quiz->id);
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// Test that the feedback works.
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if ($feedback) {
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$this->expectOutputRegex('|'.get_string('unusedcategorydeleted', 'question').'|');
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}
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question_delete_activity($cm, $feedback);
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// Verify category deleted.
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$criteria = array('id' => $qcat->id);
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$this->assertEquals(0, $DB->count_records('question_categories', $criteria));
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// Verify questions deleted or moved.
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$criteria = array('category' => $qcat->id);
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$this->assertEquals(0, $DB->count_records('question', $criteria));
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}
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/**
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* This function tests the question_delete_context function.
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*/
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public function test_question_delete_context() {
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global $DB;
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$this->resetAfterTest(true);
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$this->setAdminUser();
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list($category, $course, $quiz, $qcat, $questions) = $this->setup_quiz_and_questions();
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// Get the module context id.
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$result = question_delete_context($qcat->contextid);
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// Verify category deleted.
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$criteria = array('id' => $qcat->id);
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$this->assertEquals(0, $DB->count_records('question_categories', $criteria));
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// Verify questions deleted or moved.
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$criteria = array('category' => $qcat->id);
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$this->assertEquals(0, $DB->count_records('question', $criteria));
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// Test that the feedback works.
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$expected[] = array($qcat->name, get_string('unusedcategorydeleted', 'question'));
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$this->assertEquals($expected, $result);
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}
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/**
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* This function tests the question_delete_course function.
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*
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* @param bool $feedback Whether to return feedback
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* @dataProvider provider_feedback
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*/
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public function test_question_delete_course($feedback) {
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global $DB;
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$this->resetAfterTest(true);
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$this->setAdminUser();
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list($category, $course, $quiz, $qcat, $questions) = $this->setup_quiz_and_questions('course');
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// Test that the feedback works.
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if ($feedback) {
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$this->expectOutputRegex('|'.get_string('unusedcategorydeleted', 'question').'|');
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}
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question_delete_course($course, $feedback);
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// Verify category deleted.
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$criteria = array('id' => $qcat->id);
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$this->assertEquals(0, $DB->count_records('question_categories', $criteria));
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// Verify questions deleted or moved.
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$criteria = array('category' => $qcat->id);
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$this->assertEquals(0, $DB->count_records('question', $criteria));
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}
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/**
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* This function tests the question_delete_course_category function.
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*
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* @param bool $feedback Whether to return feedback
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* @dataProvider provider_feedback
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*/
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public function test_question_delete_course_category($feedback) {
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global $DB;
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$this->resetAfterTest(true);
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$this->setAdminUser();
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list($category, $course, $quiz, $qcat, $questions) = $this->setup_quiz_and_questions('category');
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// Test that the feedback works.
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if ($feedback) {
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$this->expectOutputRegex('|'.get_string('unusedcategorydeleted', 'question').'|');
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}
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question_delete_course_category($category, 0, $feedback);
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// Verify category deleted.
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$criteria = array('id' => $qcat->id);
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$this->assertEquals(0, $DB->count_records('question_categories', $criteria));
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// Verify questions deleted or moved.
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$criteria = array('category' => $qcat->id);
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$this->assertEquals(0, $DB->count_records('question', $criteria));
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}
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}
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