MDL-66259 qtype_truefalse: unit test of loading questions from the DB
[moodle.git] / question / type / random / tests / questiontype_test.php
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1<?php
2// This file is part of Moodle - http://moodle.org/
3//
4// Moodle is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8//
9// Moodle is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12// GNU General Public License for more details.
13//
14// You should have received a copy of the GNU General Public License
15// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
16
17/**
18 * Unit tests for the random question type class.
19 *
20 * @package qtype
21 * @subpackage random
22 * @copyright 2010 The Open University
23 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
24 */
25
26
27defined('MOODLE_INTERNAL') || die();
28
29global $CFG;
30require_once($CFG->dirroot . '/question/type/random/questiontype.php');
31
32
33/**
34 * Unit tests for the random question type class.
35 *
36 * @copyright 2010 The Open University
37 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
38 */
39class qtype_random_test extends advanced_testcase {
40 protected $qtype;
41
42 protected function setUp() {
43 $this->qtype = new qtype_random();
44 }
45
46 protected function tearDown() {
47 $this->qtype = null;
48 }
49
50 public function test_name() {
51 $this->assertEquals($this->qtype->name(), 'random');
52 }
53
54 public function test_can_analyse_responses() {
55 $this->assertFalse($this->qtype->can_analyse_responses());
56 }
57
58 public function test_get_random_guess_score() {
59 $this->assertNull($this->qtype->get_random_guess_score(null));
60 }
61
62 public function test_get_possible_responses() {
63 $this->assertEquals(array(), $this->qtype->get_possible_responses(null));
64 }
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65
66 public function test_question_creation() {
67 $this->resetAfterTest();
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68 question_bank::get_qtype('random')->clear_caches_before_testing();
69
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70 $generator = $this->getDataGenerator()->get_plugin_generator('core_question');
71 $cat = $generator->create_question_category();
72 $question1 = $generator->create_question('shortanswer', null, array('category' => $cat->id));
73 $question2 = $generator->create_question('numerical', null, array('category' => $cat->id));
74
75 $randomquestion = $generator->create_question('random', null, array('category' => $cat->id));
76
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77 $expectedids = array($question1->id, $question2->id);
78 $actualids = question_bank::get_qtype('random')->get_available_questions_from_category($cat->id, 0);
79 sort($expectedids);
80 sort($actualids);
81 $this->assertEquals($expectedids, $actualids);
82
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83 $q = question_bank::load_question($randomquestion->id);
84
85 $this->assertContains($q->id, array($question1->id, $question2->id));
86 }
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