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 drag-and-drop words into sentences question definition class.
19 *
20 * @package   qtype_ddwtos
21 * @copyright 2012 The Open University
22 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
23 */
24
25
26defined('MOODLE_INTERNAL') || die();
27global $CFG;
28
29require_once($CFG->dirroot . '/question/engine/tests/helpers.php');
30require_once($CFG->dirroot . '/question/type/ddwtos/tests/helper.php');
31
32
33/**
34 * Unit tests for the matching question definition class.
35 *
36 * @copyright 2012 The Open University
37 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
38 */
39class qtype_ddwtos_question_test extends basic_testcase {
40
41    public function test_get_question_summary() {
42        $dd = test_question_maker::make_question('ddwtos');
43        $this->assertEquals('The [[1]] brown [[2]] jumped over the [[3]] dog.; ' .
44                '[[1]] -> {quick / slow}; [[2]] -> {fox / dog}; [[3]] -> {lazy / assiduous}',
45                $dd->get_question_summary());
46    }
47
48    public function test_get_question_summary_maths() {
49        $dd = test_question_maker::make_question('ddwtos', 'maths');
50        $this->assertEquals('Fill in the operators to make this equation work: ' .
51                '7 [[1]] 11 [[2]] 13 [[1]] 17 [[2]] 19 = 3; [[1]] -> {+ / - / * / /}',
52                $dd->get_question_summary());
53    }
54
55    public function test_summarise_response() {
56        $dd = test_question_maker::make_question('ddwtos');
57        $dd->shufflechoices = false;
58        $dd->start_attempt(new question_attempt_step(), 1);
59
60        $this->assertEquals('{quick} {fox} {lazy}',
61                $dd->summarise_response(array('p1' => '1', 'p2' => '1', 'p3' => '1')));
62    }
63
64    public function test_summarise_response_maths() {
65        $dd = test_question_maker::make_question('ddwtos', 'maths');
66        $dd->shufflechoices = false;
67        $dd->start_attempt(new question_attempt_step(), 1);
68
69        $this->assertEquals('{+} {-} {+} {-}',
70                $dd->summarise_response(array('p1' => '1', 'p2' => '2', 'p3' => '1', 'p4' => '2')));
71    }
72
73    public function test_get_random_guess_score() {
74        $dd = test_question_maker::make_question('ddwtos');
75        $this->assertEquals(0.5, $dd->get_random_guess_score());
76    }
77
78    public function test_get_random_guess_score_maths() {
79        $dd = test_question_maker::make_question('ddwtos', 'maths');
80        $this->assertEquals(0.25, $dd->get_random_guess_score());
81    }
82
83    public function test_get_right_choice_for() {
84        $dd = test_question_maker::make_question('ddwtos');
85        $dd->shufflechoices = false;
86        $dd->start_attempt(new question_attempt_step(), 1);
87
88        $this->assertEquals(1, $dd->get_right_choice_for(1));
89        $this->assertEquals(1, $dd->get_right_choice_for(2));
90    }
91
92    public function test_get_right_choice_for_maths() {
93        $dd = test_question_maker::make_question('ddwtos', 'maths');
94        $dd->shufflechoices = false;
95        $dd->start_attempt(new question_attempt_step(), 1);
96
97        $this->assertEquals(1, $dd->get_right_choice_for(1));
98        $this->assertEquals(2, $dd->get_right_choice_for(2));
99    }
100
101    public function test_clear_wrong_from_response() {
102        $dd = test_question_maker::make_question('ddwtos', 'maths');
103        $dd->shufflechoices = false;
104        $dd->start_attempt(new question_attempt_step(), 1);
105
106        $initialresponse = array('p1' => '1', 'p2' => '1', 'p3' => '1', 'p4' => '1');
107        $this->assertEquals(array('p1' => '1', 'p2' => '0', 'p3' => '1', 'p4' => '0'),
108                $dd->clear_wrong_from_response($initialresponse));
109    }
110
111    public function test_get_num_parts_right() {
112        $dd = test_question_maker::make_question('ddwtos');
113        $dd->shufflechoices = false;
114        $dd->start_attempt(new question_attempt_step(), 1);
115
116        $this->assertEquals(array(2, 3),
117                $dd->get_num_parts_right(array('p1' => '1', 'p2' => '1', 'p3' => '2')));
118        $this->assertEquals(array(3, 3),
119                $dd->get_num_parts_right(array('p1' => '1', 'p2' => '1', 'p3' => '1')));
120    }
121
122    public function test_get_num_parts_right_maths() {
123        $dd = test_question_maker::make_question('ddwtos', 'maths');
124        $dd->shufflechoices = false;
125        $dd->start_attempt(new question_attempt_step(), 1);
126
127        $this->assertEquals(array(2, 4),
128                $dd->get_num_parts_right(array(
129                        'p1' => '1', 'p2' => '1', 'p3' => '1', 'p4' => '1')));
130    }
131
132    public function test_get_expected_data() {
133        $dd = test_question_maker::make_question('ddwtos');
134        $dd->start_attempt(new question_attempt_step(), 1);
135
136        $this->assertEquals(array('p1' => PARAM_INT, 'p2' => PARAM_INT, 'p3' => PARAM_INT),
137                $dd->get_expected_data());
138    }
139
140    public function test_get_correct_response() {
141        $dd = test_question_maker::make_question('ddwtos');
142        $dd->shufflechoices = false;
143        $dd->start_attempt(new question_attempt_step(), 1);
144
145        $this->assertEquals(array('p1' => '1', 'p2' => '1', 'p3' => '1'),
146                $dd->get_correct_response());
147    }
148
149    public function test_get_correct_response_maths() {
150        $dd = test_question_maker::make_question('ddwtos', 'maths');
151        $dd->shufflechoices = false;
152        $dd->start_attempt(new question_attempt_step(), 1);
153
154        $this->assertEquals(array('p1' => '1', 'p2' => '2', 'p3' => '1', 'p4' => '2'),
155                $dd->get_correct_response());
156    }
157
158    public function test_is_same_response() {
159        $dd = test_question_maker::make_question('ddwtos');
160        $dd->start_attempt(new question_attempt_step(), 1);
161
162        $this->assertTrue($dd->is_same_response(
163                array(),
164                array('p1' => '0', 'p2' => '0', 'p3' => '0')));
165
166        $this->assertFalse($dd->is_same_response(
167                array(),
168                array('p1' => '1', 'p2' => '0', 'p3' => '0')));
169
170        $this->assertFalse($dd->is_same_response(
171                array('p1' => '0', 'p2' => '0', 'p3' => '0'),
172                array('p1' => '1', 'p2' => '0', 'p3' => '0')));
173
174        $this->assertTrue($dd->is_same_response(
175                array('p1' => '1', 'p2' => '2', 'p3' => '3'),
176                array('p1' => '1', 'p2' => '2', 'p3' => '3')));
177
178        $this->assertFalse($dd->is_same_response(
179                array('p1' => '1', 'p2' => '2', 'p3' => '3'),
180                array('p1' => '1', 'p2' => '2', 'p3' => '2')));
181    }
182    public function test_is_complete_response() {
183        $dd = test_question_maker::make_question('ddwtos');
184        $dd->start_attempt(new question_attempt_step(), 1);
185
186        $this->assertFalse($dd->is_complete_response(array()));
187        $this->assertFalse($dd->is_complete_response(
188                array('p1' => '1', 'p2' => '1', 'p3' => '0')));
189        $this->assertFalse($dd->is_complete_response(array('p1' => '1')));
190        $this->assertTrue($dd->is_complete_response(
191                array('p1' => '1', 'p2' => '1', 'p3' => '1')));
192    }
193
194    public function test_is_gradable_response() {
195        $dd = test_question_maker::make_question('ddwtos');
196        $dd->start_attempt(new question_attempt_step(), 1);
197
198        $this->assertFalse($dd->is_gradable_response(array()));
199        $this->assertFalse($dd->is_gradable_response(
200                array('p1' => '0', 'p2' => '0', 'p3' => '0')));
201        $this->assertTrue($dd->is_gradable_response(
202                array('p1' => '1', 'p2' => '1', 'p3' => '0')));
203        $this->assertTrue($dd->is_gradable_response(array('p1' => '1')));
204        $this->assertTrue($dd->is_gradable_response(
205                array('p1' => '1', 'p2' => '1', 'p3' => '1')));
206    }
207
208    public function test_grading() {
209        $dd = test_question_maker::make_question('ddwtos');
210        $dd->shufflechoices = false;
211        $dd->start_attempt(new question_attempt_step(), 1);
212
213        $this->assertEquals(array(1, question_state::$gradedright),
214                $dd->grade_response(array('p1' => '1', 'p2' => '1', 'p3' => '1')));
215        $this->assertEquals(array(1 / 3, question_state::$gradedpartial),
216                $dd->grade_response(array('p1' => '1')));
217        $this->assertEquals(array(0, question_state::$gradedwrong),
218                $dd->grade_response(array('p1' => '2', 'p2' => '2', 'p3' => '2')));
219    }
220
221    public function test_grading_maths() {
222        $dd = test_question_maker::make_question('ddwtos', 'maths');
223        $dd->shufflechoices = false;
224        $dd->start_attempt(new question_attempt_step(), 1);
225
226        $this->assertEquals(array(1, question_state::$gradedright),
227                $dd->grade_response(array('p1' => '1', 'p2' => '2', 'p3' => '1', 'p4' => '2')));
228        $this->assertEquals(array(0.5, question_state::$gradedpartial),
229                $dd->grade_response(array('p1' => '1', 'p2' => '1', 'p3' => '1', 'p4' => '1')));
230        $this->assertEquals(array(0, question_state::$gradedwrong),
231                $dd->grade_response(array('p1' => '0', 'p2' => '1', 'p3' => '2', 'p4' => '1')));
232    }
233
234    public function test_classify_response() {
235        $dd = test_question_maker::make_question('ddwtos');
236        $dd->shufflechoices = false;
237        $dd->start_attempt(new question_attempt_step(), 1);
238
239        $this->assertEquals(array(
240                    1 => new question_classified_response(1, 'quick', 1 / 3),
241                    2 => new question_classified_response(2, 'dog', 0),
242                    3 => new question_classified_response(1, 'lazy', 1 / 3),
243                ), $dd->classify_response(array('p1' => '1', 'p2' => '2', 'p3' => '1')));
244        $this->assertEquals(array(
245                    1 => question_classified_response::no_response(),
246                    2 => new question_classified_response(1, 'fox', 1 / 3),
247                    3 => new question_classified_response(2, 'assiduous', 0),
248                ), $dd->classify_response(array('p1' => '0', 'p2' => '1', 'p3' => '2')));
249    }
250}
251