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1 efrain 1
<?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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namespace qtype_numerical;
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use qtype_numerical;
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use qtype_numerical_answer_processor;
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use question_attempt_step;
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use question_classified_response;
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use question_display_options;
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use question_state;
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defined('MOODLE_INTERNAL') || die();
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global $CFG;
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require_once($CFG->dirroot . '/question/engine/tests/helpers.php');
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/**
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 * Unit tests for the numerical question definition class.
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 *
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 * @package qtype_numerical
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 * @copyright 2008 The Open University
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 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 */
1441 ariadna 39
final class question_test extends \advanced_testcase {
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    public function test_is_complete_response(): void {
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        $question = \test_question_maker::make_question('numerical');
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        $this->assertFalse($question->is_complete_response(array()));
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        $this->assertTrue($question->is_complete_response(array('answer' => '0')));
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        $this->assertTrue($question->is_complete_response(array('answer' => 0)));
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        $this->assertFalse($question->is_complete_response(array('answer' => 'test')));
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    }
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    public function test_is_gradable_response(): void {
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        $question = \test_question_maker::make_question('numerical');
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        $this->assertFalse($question->is_gradable_response(array()));
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        $this->assertTrue($question->is_gradable_response(array('answer' => '0')));
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        $this->assertTrue($question->is_gradable_response(array('answer' => 0)));
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        $this->assertTrue($question->is_gradable_response(array('answer' => 'test')));
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    }
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    public function test_grading(): void {
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        $question = \test_question_maker::make_question('numerical');
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61
        $this->assertEquals(array(0, question_state::$gradedwrong),
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                $question->grade_response(array('answer' => '1.0')));
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        $this->assertEquals(array(1, question_state::$gradedright),
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                $question->grade_response(array('answer' => '3.14')));
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    }
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    public function test_grading_with_units(): void {
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        $question = \test_question_maker::make_question('numerical');
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        $question->unitgradingtype = qtype_numerical::UNITOPTIONAL;
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        $question->ap = new qtype_numerical_answer_processor(
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                array('m' => 1, 'cm' => 100), false, '.', ',');
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        $this->assertEquals(array(1, question_state::$gradedright),
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                $question->grade_response(array('answer' => '3.14 frogs')));
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        $this->assertEquals(array(1, question_state::$gradedright),
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                $question->grade_response(array('answer' => '3.14')));
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        $this->assertEquals(array(1, question_state::$gradedright),
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                $question->grade_response(array('answer' => '3.14 m')));
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        $this->assertEquals(array(1, question_state::$gradedright),
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                $question->grade_response(array('answer' => '314cm')));
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        $this->assertEquals(array(1, question_state::$gradedright),
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                $question->grade_response(array('answer' => '314000000x10^-8m')));
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    }
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    public function test_grading_with_units_graded(): void {
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        $question = \test_question_maker::make_question('numerical');
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        $question->unitgradingtype = qtype_numerical::UNITGRADED;
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        $question->ap = new qtype_numerical_answer_processor(
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                array('m' => 1, 'cm' => 100), false, '.', ',');
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        $this->assertEquals(array(0.8, question_state::$gradedpartial),
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                $question->grade_response(array('answer' => '3.14 frogs')));
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        $this->assertEquals(array(0.8, question_state::$gradedpartial),
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                $question->grade_response(array('answer' => '3.14')));
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        $this->assertEquals(array(1, question_state::$gradedright),
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                $question->grade_response(array('answer' => '3.14 m')));
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        $this->assertEquals(array(1, question_state::$gradedright),
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                $question->grade_response(array('answer' => '314cm')));
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        $this->assertEquals(array(1, question_state::$gradedright),
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                $question->grade_response(array('answer' => '314000000x10^-8m')));
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        $this->assertEquals(array(0.8, question_state::$gradedpartial),
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                $question->grade_response(array('answer' => '3.14 cm')));
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        $this->assertEquals(array(0, question_state::$gradedwrong),
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                $question->grade_response(array('answer' => '314 m')));
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    }
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    public function test_grading_unit(): void {
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        $question = \test_question_maker::make_question('numerical', 'unit');
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        $this->assertEquals(array(0, question_state::$gradedwrong),
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                $question->grade_response(array('answer' => '2', 'unit' => 'm')));
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        $this->assertEquals(array(0, question_state::$gradedwrong),
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                $question->grade_response(array('answer' => '2', 'unit' => 'cm')));
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        $this->assertEquals(array(0, question_state::$gradedwrong),
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                $question->grade_response(array('answer' => '2', 'unit' => '')));
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117
        $this->assertEquals(array(1, question_state::$gradedright),
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                $question->grade_response(array('answer' => '1.25', 'unit' => 'm')));
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        $this->assertEquals(array(1, question_state::$gradedright),
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                $question->grade_response(array('answer' => '125', 'unit' => 'cm')));
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        $this->assertEquals(array(0.5, question_state::$gradedpartial),
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                $question->grade_response(array('answer' => '1.25', 'unit' => '')));
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124
        $this->assertEquals(array(0.5, question_state::$gradedpartial),
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                $question->grade_response(array('answer' => '1.23', 'unit' => 'm')));
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        $this->assertEquals(array(0.5, question_state::$gradedpartial),
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                $question->grade_response(array('answer' => '123', 'unit' => 'cm')));
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        $this->assertEquals(array(0.25, question_state::$gradedpartial),
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                $question->grade_response(array('answer' => '1.23', 'unit' => '')));
130
    }
131
 
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    public function test_grading_currency(): void {
1 efrain 133
        $question = \test_question_maker::make_question('numerical', 'currency');
134
 
135
        $this->assertEquals(array(1, question_state::$gradedright),
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                $question->grade_response(array('answer' => '$1332')));
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        $this->assertEquals(array(1, question_state::$gradedright),
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                $question->grade_response(array('answer' => '$ 1332')));
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        $this->assertEquals(array(0.8, question_state::$gradedpartial),
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                $question->grade_response(array('answer' => 'frog 1332')));
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        $this->assertEquals(array(0.8, question_state::$gradedpartial),
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                $question->grade_response(array('answer' => '1332')));
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        $this->assertEquals(array(0.8, question_state::$gradedpartial),
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                $question->grade_response(array('answer' => ' 1332')));
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        $this->assertEquals(array(0, question_state::$gradedwrong),
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                $question->grade_response(array('answer' => '1332 $')));
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        $this->assertEquals(array(0, question_state::$gradedwrong),
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                $question->grade_response(array('answer' => '1332 frogs')));
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        $this->assertEquals(array(0, question_state::$gradedwrong),
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                $question->grade_response(array('answer' => '$1')));
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    }
152
 
11 efrain 153
    public function test_get_correct_response(): void {
1 efrain 154
        $question = \test_question_maker::make_question('numerical');
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156
        $this->assertEquals(array('answer' => '3.14'),
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                $question->get_correct_response());
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    }
159
 
11 efrain 160
    public function test_get_correct_response_units(): void {
1 efrain 161
        $question = \test_question_maker::make_question('numerical', 'unit');
162
 
163
        $this->assertEquals(array('answer' => '1.25', 'unit' => 'm'),
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                $question->get_correct_response());
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    }
166
 
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    public function test_get_correct_response_currency(): void {
1 efrain 168
        $question = \test_question_maker::make_question('numerical', 'currency');
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        $this->assertEquals(array('answer' => '$ 1332'),
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                $question->get_correct_response());
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    }
173
 
11 efrain 174
    public function test_get_question_summary(): void {
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        $num = \test_question_maker::make_question('numerical');
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        $qsummary = $num->get_question_summary();
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        $this->assertEquals('What is pi to two d.p.?', $qsummary);
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    }
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    public function test_summarise_response(): void {
1 efrain 181
        $num = \test_question_maker::make_question('numerical');
182
        $this->assertEquals('3.1', $num->summarise_response(array('answer' => '3.1')));
183
    }
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    public function test_summarise_response_zero(): void {
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        $num = \test_question_maker::make_question('numerical');
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        $this->assertEquals('0', $num->summarise_response(array('answer' => '0')));
188
    }
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    public function test_summarise_response_unit(): void {
1 efrain 191
        $num = \test_question_maker::make_question('numerical', 'unit');
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        $this->assertEquals('3.1', $num->summarise_response(array('answer' => '3.1')));
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        $this->assertEquals('3.1m', $num->summarise_response(array('answer' => '3.1m')));
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        $this->assertEquals('3.1 cm', $num->summarise_response(array('answer' => '3.1 cm')));
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    }
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    public function test_summarise_response_currency(): void {
1 efrain 198
        $num = \test_question_maker::make_question('numerical', 'currency');
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        $this->assertEquals('100', $num->summarise_response(array('answer' => '100')));
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        $this->assertEquals('$100', $num->summarise_response(array('answer' => '$100')));
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        $this->assertEquals('$ 100', $num->summarise_response(array('answer' => '$ 100')));
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        $this->assertEquals('100 frogs', $num->summarise_response(array('answer' => '100 frogs')));
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    }
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    public function test_classify_response(): void {
1 efrain 206
        $num = \test_question_maker::make_question('numerical');
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        $num->start_attempt(new question_attempt_step(), 1);
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        $this->assertEquals(array(
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                new question_classified_response(15, '3.1', 0.0)),
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                $num->classify_response(array('answer' => '3.1')));
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        $this->assertEquals(array(
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                new question_classified_response(17, '42', 0.0)),
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                $num->classify_response(array('answer' => '42')));
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        $this->assertEquals(array(
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                new question_classified_response(13, '3.14', 1.0)),
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                $num->classify_response(array('answer' => '3.14')));
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        // Invalid response.
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        $this->assertEquals(array(
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                new question_classified_response(null, 'abc', 0.0)),
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                $num->classify_response(array('answer' => 'abc')));
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    }
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11 efrain 224
    public function test_classify_response_no_star(): void {
1 efrain 225
        $num = \test_question_maker::make_question('numerical');
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        unset($num->answers[17]);
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        $num->start_attempt(new question_attempt_step(), 1);
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        $this->assertEquals(array(
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                new question_classified_response(15, '3.1', 0.0)),
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                $num->classify_response(array('answer' => '3.1')));
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        $this->assertEquals(array(
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                new question_classified_response(0, '42', 0.0)),
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                $num->classify_response(array('answer' => '42')));
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        // Invalid response.
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        $this->assertEquals(array(
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                new question_classified_response(null, 'abc', 0.0)),
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                $num->classify_response(array('answer' => 'abc')));
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    }
240
 
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    public function test_classify_response_unit(): void {
1 efrain 242
        $num = \test_question_maker::make_question('numerical', 'unit');
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        $num->start_attempt(new question_attempt_step(), 1);
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245
        $this->assertEquals(array(
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                new question_classified_response(13, '1.25', 0.5)),
247
                $num->classify_response(array('answer' => '1.25', 'unit' => '')));
248
        $this->assertEquals(array(
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                new question_classified_response(13, '1.25 m', 1.0)),
250
                $num->classify_response(array('answer' => '1.25', 'unit' => 'm')));
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        $this->assertEquals(array(
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                new question_classified_response(13, '125 cm', 1.0)),
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                $num->classify_response(array('answer' => '125', 'unit' => 'cm')));
254
        $this->assertEquals(array(
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                new question_classified_response(14, '123 cm', 0.5)),
256
                $num->classify_response(array('answer' => '123', 'unit' => 'cm')));
257
        $this->assertEquals(array(
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                new question_classified_response(14, '1.27 m', 0.5)),
259
                $num->classify_response(array('answer' => '1.27', 'unit' => 'm')));
260
        $this->assertEquals(array(
261
                new question_classified_response(17, '3.0 m', 0)),
262
                $num->classify_response(array('answer' => '3.0', 'unit' => 'm')));
263
        $this->assertEquals(array(
264
                question_classified_response::no_response()),
265
                $num->classify_response(array('answer' => '')));
266
        // Invalid response.
267
        $this->assertEquals(array(
268
                new question_classified_response(null, 'abc m', 0.0)),
269
                $num->classify_response(array('answer' => 'abc', 'unit' => 'm')));
270
    }
271
 
11 efrain 272
    public function test_classify_response_unit_no_star(): void {
1 efrain 273
        $num = \test_question_maker::make_question('numerical', 'unit');
274
        unset($num->answers[17]);
275
        $num->start_attempt(new question_attempt_step(), 1);
276
 
277
        $this->assertEquals(array(
278
                new question_classified_response(0, '42 cm', 0)),
279
                $num->classify_response(array('answer' => '42', 'unit' => 'cm')));
280
        $this->assertEquals(array(
281
                new question_classified_response(0, '3.0', 0)),
282
                $num->classify_response(array('answer' => '3.0', 'unit' => '')));
283
        $this->assertEquals(array(
284
                new question_classified_response(0, '3.0 m', 0)),
285
                $num->classify_response(array('answer' => '3.0', 'unit' => 'm')));
286
        $this->assertEquals(array(
287
                question_classified_response::no_response()),
288
                $num->classify_response(array('answer' => '', 'unit' => '')));
289
        // Invalid response.
290
        $this->assertEquals(array(
291
                            new question_classified_response(null, 'abc m', 0.0)),
292
                            $num->classify_response(array('answer' => 'abc', 'unit' => 'm')));
293
    }
294
 
11 efrain 295
    public function test_classify_response_currency(): void {
1 efrain 296
        $num = \test_question_maker::make_question('numerical', 'currency');
297
        $num->start_attempt(new question_attempt_step(), 1);
298
 
299
        $this->assertEquals(array(
300
                new question_classified_response(14, '$100', 0)),
301
                $num->classify_response(array('answer' => '$100')));
302
        $this->assertEquals(array(
303
                new question_classified_response(13, '1 332', 0.8)),
304
                $num->classify_response(array('answer' => '1 332')));
305
        // Invalid response.
306
        $this->assertEquals(array(
307
                new question_classified_response(null, '$abc', 0.0)),
308
                $num->classify_response(array('answer' => '$abc')));
309
    }
310
 
311
    /**
312
     * test_get_question_definition_for_external_rendering
313
     */
11 efrain 314
    public function test_get_question_definition_for_external_rendering(): void {
1 efrain 315
        $this->resetAfterTest();
316
 
317
        $question = \test_question_maker::make_question('numerical', 'unit');
318
        $question->start_attempt(new question_attempt_step(), 1);
319
        $qa = \test_question_maker::get_a_qa($question);
320
        $displayoptions = new question_display_options();
321
 
322
        $options = $question->get_question_definition_for_external_rendering($qa, $displayoptions);
323
        $this->assertNotEmpty($options);
324
        $this->assertEquals(1, $options['unitgradingtype']);
325
        $this->assertEquals(0.5, $options['unitpenalty']);
326
        $this->assertEquals(qtype_numerical::UNITSELECT, $options['unitdisplay']);
327
        $this->assertEmpty($options['unitsleft']);
328
    }
329
}