. /** * 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; }')); } }