.
/**
* Unit tests for (some of) question/type/calculated/questiontype.php.
*
* @package qtype_calculated
* @copyright 2012 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
global $CFG;
require_once($CFG->dirroot . '/question/type/calculated/questiontype.php');
require_once($CFG->dirroot . '/question/type/calculated/tests/helper.php');
/**
* Unit tests for question/type/calculated/questiontype.php.
*
* @copyright 2012 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class qtype_calculated_test extends advanced_testcase {
public static $includecoverage = array(
'question/type/questiontypebase.php',
'question/type/calculated/questiontype.php'
);
protected $tolerance = 0.00000001;
protected $qtype;
protected function setUp() {
$this->qtype = new qtype_calculated();
}
protected function tearDown() {
$this->qtype = null;
}
public function test_name() {
$this->assertEquals($this->qtype->name(), 'calculated');
}
public function test_can_analyse_responses() {
$this->assertTrue($this->qtype->can_analyse_responses());
}
public function test_get_random_guess_score() {
$q = test_question_maker::get_question_data('calculated');
$q->options->answers[17]->fraction = 0.1;
$this->assertEquals(0.1, $this->qtype->get_random_guess_score($q));
}
public function test_load_question() {
$this->resetAfterTest();
$syscontext = context_system::instance();
/** @var core_question_generator $generator */
$generator = $this->getDataGenerator()->get_plugin_generator('core_question');
$category = $generator->create_question_category(['contextid' => $syscontext->id]);
$fromform = test_question_maker::get_question_form_data('calculated');
$fromform->category = $category->id . ',' . $syscontext->id;
$question = new stdClass();
$question->category = $category->id;
$question->qtype = 'calculated';
$question->createdby = 0;
$this->qtype->save_question($question, $fromform);
$questiondata = question_bank::load_question_data($question->id);
$this->assertEquals(['id', 'category', 'parent', 'name', 'questiontext', 'questiontextformat',
'generalfeedback', 'generalfeedbackformat', 'defaultmark', 'penalty', 'qtype',
'length', 'stamp', 'version', 'hidden', 'timecreated', 'timemodified',
'createdby', 'modifiedby', 'idnumber', 'contextid', 'options', 'hints', 'categoryobject'],
array_keys(get_object_vars($questiondata)));
$this->assertEquals($category->id, $questiondata->category);
$this->assertEquals(0, $questiondata->parent);
$this->assertEquals($fromform->name, $questiondata->name);
$this->assertEquals($fromform->questiontext, $questiondata->questiontext);
$this->assertEquals($fromform->questiontextformat, $questiondata->questiontextformat);
$this->assertEquals('', $questiondata->generalfeedback);
$this->assertEquals(0, $questiondata->generalfeedbackformat);
$this->assertEquals($fromform->defaultmark, $questiondata->defaultmark);
$this->assertEquals(0, $questiondata->penalty);
$this->assertEquals('calculated', $questiondata->qtype);
$this->assertEquals(1, $questiondata->length);
$this->assertEquals(0, $questiondata->hidden);
$this->assertEquals($question->createdby, $questiondata->createdby);
$this->assertEquals($question->createdby, $questiondata->modifiedby);
$this->assertEquals('', $questiondata->idnumber);
$this->assertEquals($syscontext->id, $questiondata->contextid);
$this->assertEquals([], $questiondata->hints);
// Options.
$this->assertEquals($questiondata->id, $questiondata->options->question);
$this->assertEquals([], $questiondata->options->units);
$this->assertEquals(qtype_numerical::UNITNONE, $questiondata->options->showunits);
$this->assertEquals(0, $questiondata->options->unitgradingtype); // Unit role is none, so this is 0.
$this->assertEquals($fromform->unitpenalty, $questiondata->options->unitpenalty);
$this->assertEquals($fromform->unitsleft, $questiondata->options->unitsleft);
// Build the expected answer base.
$answerbase = [
'question' => $questiondata->id,
'answerformat' => 0,
];
$expectedanswers = [];
foreach ($fromform->answer as $key => $value) {
$answer = $answerbase + [
'answer' => $fromform->answer[$key],
'fraction' => (float)$fromform->fraction[$key],
'tolerance' => $fromform->tolerance[$key],
'tolerancetype' => $fromform->tolerancetype[$key],
'correctanswerlength' => $fromform->correctanswerlength[$key],
'correctanswerformat' => $fromform->correctanswerformat[$key],
'feedback' => $fromform->feedback[$key]['text'],
'feedbackformat' => $fromform->feedback[$key]['format'],
];
$expectedanswers[] = (object)$answer;
}
// Need to get rid of ids.
$gotanswers = array_map(function($answer) {
unset($answer->id);
return $answer;
}, $questiondata->options->answers);
// Compare answers.
$this->assertEquals($expectedanswers, array_values($gotanswers));
}
protected function get_possible_response($ans, $tolerance, $type) {
$a = new stdClass();
$a->answer = $ans;
$a->tolerance = $tolerance;
$a->tolerancetype = get_string($type, 'qtype_numerical');
return get_string('answerwithtolerance', 'qtype_calculated', $a);
}
public function test_get_possible_responses() {
$q = test_question_maker::get_question_data('calculated');
$this->assertEquals(array(
$q->id => array(
13 => new question_possible_response(
$this->get_possible_response('{a} + {b}', 0.001, 'nominal'), 1.0),
14 => new question_possible_response(
$this->get_possible_response('{a} - {b}', 0.001, 'nominal'), 0.0),
17 => new question_possible_response('*', 0.0),
null => question_possible_response::no_response()
),
), $this->qtype->get_possible_responses($q));
}
public function test_get_possible_responses_no_star() {
$q = test_question_maker::get_question_data('calculated');
unset($q->options->answers[17]);
$this->assertEquals(array(
$q->id => array(
13 => new question_possible_response(
$this->get_possible_response('{a} + {b}', 0.001, 'nominal'), 1),
14 => new question_possible_response(
$this->get_possible_response('{a} - {b}', 0.001, 'nominal'), 0),
0 => new question_possible_response(
get_string('didnotmatchanyanswer', 'question'), 0),
null => question_possible_response::no_response()
),
), $this->qtype->get_possible_responses($q));
}
public function test_get_short_question_name() {
$this->resetAfterTest();
// Enable multilang filter to on content and heading.
filter_set_global_state('multilang', TEXTFILTER_ON);
filter_set_applies_to_strings('multilang', 1);
$filtermanager = filter_manager::instance();
$filtermanager->reset_caches();
$context = context_system::instance();
$longmultilangquestionname = "Lorem ipsum dolor sit amet, consetetur sadipscing elitrLorem ipsum dolor sit amet, consetetur sadipscing elitr";
$shortmultilangquestionname = "Lorem ipsumLorem ipsum";
$longquestionname = "Lorem ipsum dolor sit amet, consetetur sadipscing elitr";
$shortquestionname = "Lorem ipsum";
$this->assertEquals("Lorem ipsum dolor...", $this->qtype->get_short_question_name($longmultilangquestionname, 20));
$this->assertEquals("Lorem ipsum", $this->qtype->get_short_question_name($shortmultilangquestionname, 20));
$this->assertEquals("Lorem ipsum dolor...", $this->qtype->get_short_question_name($longquestionname, 20));
$this->assertEquals("Lorem ipsum", $this->qtype->get_short_question_name($shortquestionname, 20));
}
public function test_placehodler_regex() {
preg_match_all(qtype_calculated::PLACEHODLER_REGEX, '= {={a} + {b}}', $matches);
$this->assertEquals([['{a}', '{b}'], ['a', 'b']], $matches);
}
public function test_formulas_in_text_regex() {
preg_match_all(qtype_calculated::FORMULAS_IN_TEXT_REGEX, '= {={a} + {b}}', $matches);
$this->assertEquals([['{={a} + {b}}'], ['{a} + {b}']], $matches);
}
public function test_find_dataset_names() {
$this->assertEquals([], $this->qtype->find_dataset_names('Frog.'));
$this->assertEquals(['a' => 'a', 'b' => 'b'],
$this->qtype->find_dataset_names('= {={a} + {b}}'));
$this->assertEquals(['a' => 'a', 'b' => 'b'],
$this->qtype->find_dataset_names('What is {a} plus {b}? (Hint, it is not {={a}*{b}}.)'));
$this->assertEquals(['a' => 'a', 'b' => 'b', 'c' => 'c'],
$this->qtype->find_dataset_names('
If called with $a = {a} and $b = {b}, what does this PHP function return?
/**
* What does this do?
*/
function mystery($a, $b) {
return {c}*$a + $b;
}
'));
}
}