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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* This file contains tests that walks a question through the deferred feedback
* with certainty base marking behaviour.
*
* @package qbehaviour
* @subpackage deferredcbm
* @copyright 2009 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
global $CFG;
require_once(dirname(__FILE__) . '/../../../engine/lib.php');
require_once(dirname(__FILE__) . '/../../../engine/tests/helpers.php');
/**
* Unit tests for the deferred feedback with certainty base marking behaviour.
*
* @copyright 2009 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class qbehaviour_deferredcbm_walkthrough_test extends qbehaviour_walkthrough_test_base {
public function test_deferred_cbm_truefalse_high_certainty() {
// Create a true-false question with correct answer true.
$tf = test_question_maker::make_question('truefalse', 'true');
$this->start_attempt_at_question($tf, 'deferredcbm', 2);
// Verify.
$this->check_current_state(question_state::$todo);
$this->check_current_mark(null);
$this->check_current_output(
$this->get_contains_question_text_expectation($tf),
$this->get_contains_tf_true_radio_expectation(true, false),
$this->get_contains_tf_false_radio_expectation(true, false),
$this->get_contains_cbm_radio_expectation(1, true, false),
$this->get_contains_cbm_radio_expectation(2, true, false),
$this->get_contains_cbm_radio_expectation(3, true, false),
$this->get_does_not_contain_feedback_expectation());
// Process the data extracted for this question.
$this->process_submission(array('answer' => 1, '-certainty' => 3));
// Verify.
$this->check_current_state(question_state::$complete);
$this->check_current_mark(null);
$this->check_current_output(
$this->get_contains_tf_true_radio_expectation(true, true),
$this->get_contains_cbm_radio_expectation(3, true, true),
$this->get_does_not_contain_correctness_expectation(),
$this->get_does_not_contain_feedback_expectation());
// Process the same data again, check it does not create a new step.
$numsteps = $this->get_step_count();
$this->process_submission(array('answer' => 1, '-certainty' => 3));
$this->check_step_count($numsteps);
// Process different data, check it creates a new step.
$this->process_submission(array('answer' => 1, '-certainty' => 1));
$this->check_step_count($numsteps + 1);
$this->check_current_state(question_state::$complete);
// Change back, check it creates a new step.
$this->process_submission(array('answer' => 1, '-certainty' => 3));
$this->check_step_count($numsteps + 2);
// Finish the attempt.
$this->quba->finish_all_questions();
// Verify.
$this->check_current_state(question_state::$gradedright);
$this->check_current_mark(2);
$this->check_current_output(
$this->get_contains_tf_true_radio_expectation(false, true),
$this->get_contains_cbm_radio_expectation(3, false, true),
$this->get_contains_correct_expectation());
// Process a manual comment.
$this->manual_grade('Not good enough!', 1, FORMAT_HTML);
// Verify.
$this->check_current_state(question_state::$mangrpartial);
$this->check_current_mark(1);
$this->check_current_output(new question_pattern_expectation('/' .
preg_quote('Not good enough!') . '/'));
// Now change the correct answer to the question, and regrade.
$tf->rightanswer = false;
$this->quba->regrade_all_questions();
// Verify.
$this->check_current_state(question_state::$mangrpartial);
$this->check_current_mark(1);
$autogradedstep = $this->get_step($this->get_step_count() - 2);
$this->assertEquals($autogradedstep->get_fraction(), -2, '', 0.0000001);
}
public function test_deferred_cbm_truefalse_low_certainty() {
// Create a true-false question with correct answer true.
$tf = test_question_maker::make_question('truefalse', 'true');
$this->start_attempt_at_question($tf, 'deferredcbm', 2);
// Verify.
$this->check_current_state(question_state::$todo);
$this->check_current_mark(null);
$this->check_current_output(
$this->get_does_not_contain_correctness_expectation(),
$this->get_contains_cbm_radio_expectation(1, true, false),
$this->get_does_not_contain_feedback_expectation());
// Submit ansewer with low certainty.
$this->process_submission(array('answer' => 1, '-certainty' => 1));
// Verify.
$this->check_current_state(question_state::$complete);
$this->check_current_mark(null);
$this->check_current_output($this->get_does_not_contain_correctness_expectation(),
$this->get_contains_cbm_radio_expectation(1, true, true),
$this->get_does_not_contain_feedback_expectation());
// Finish the attempt.
$this->quba->finish_all_questions();
// Verify.
$this->check_current_state(question_state::$gradedright);
$this->check_current_mark(0.6666667);
$this->check_current_output($this->get_contains_correct_expectation(),
$this->get_contains_cbm_radio_expectation(1, false, true));
$this->assertEquals(get_string('true', 'qtype_truefalse') . ' [' .
question_cbm::get_string(1) . ']',
$this->quba->get_response_summary($this->slot));
}
public function test_deferred_cbm_truefalse_default_certainty() {
// Create a true-false question with correct answer true.
$tf = test_question_maker::make_question('truefalse', 'true');
$this->start_attempt_at_question($tf, 'deferredcbm', 2);
// Verify.
$this->check_current_state(question_state::$todo);
$this->check_current_mark(null);
$this->check_current_output(
$this->get_does_not_contain_correctness_expectation(),
$this->get_contains_cbm_radio_expectation(1, true, false),
$this->get_does_not_contain_feedback_expectation());
// Submit ansewer with low certainty and finish the attempt.
$this->process_submission(array('answer' => 1));
$this->quba->finish_all_questions();
// Verify.
$qa = $this->quba->get_question_attempt($this->slot);
$this->check_current_state(question_state::$gradedright);
$this->check_current_mark(0.6666667);
$this->check_current_output($this->get_contains_correct_expectation(),
$this->get_contains_cbm_radio_expectation(1, false, false),
new question_pattern_expectation('/' . preg_quote(
get_string('assumingcertainty', 'qbehaviour_deferredcbm',
question_cbm::get_string(
$qa->get_last_behaviour_var('_assumedcertainty')))) . '/'));
$this->assertEquals(get_string('true', 'qtype_truefalse'),
$this->quba->get_response_summary($this->slot));
}
public function test_deferredcbm_resume_multichoice_single() {
// Create a multiple-choice question.
$mc = test_question_maker::make_a_multichoice_single_question();
// Attempt it getting it wrong.
$this->start_attempt_at_question($mc, 'deferredcbm', 3);
$rightindex = $this->get_mc_right_answer_index($mc);
$wrongindex = ($rightindex + 1) % 3;
$this->process_submission(array('answer' => $wrongindex, '-certainty' => 2));
$this->quba->finish_all_questions();
// Verify.
$this->check_current_state(question_state::$gradedwrong);
$this->check_current_mark(-3.3333333);
$this->check_current_output(
$this->get_contains_mc_radio_expectation($wrongindex, false, true),
$this->get_contains_cbm_radio_expectation(2, false, true),
$this->get_contains_incorrect_expectation());
$this->assertEquals('A [' . question_cbm::get_string(question_cbm::HIGH) . ']',
$this->quba->get_right_answer_summary($this->slot));
$this->assertRegExp('/' . preg_quote($mc->questiontext) . '/',
$this->quba->get_question_summary($this->slot));
$this->assertRegExp('/(B|C) \[' . preg_quote(question_cbm::get_string(2)) . '\]/',
$this->quba->get_response_summary($this->slot));
// Save the old attempt.
$oldqa = $this->quba->get_question_attempt($this->slot);
// Reinitialise.
$this->setUp();
$this->quba->set_preferred_behaviour('deferredcbm');
$this->slot = $this->quba->add_question($mc, 3);
$this->quba->start_question_based_on($this->slot, $oldqa);
// Verify.
$this->check_current_state(question_state::$todo);
$this->check_current_mark(null);
$this->check_current_output(
$this->get_contains_mc_radio_expectation($wrongindex, true, true),
$this->get_contains_cbm_radio_expectation(2, true, true),
$this->get_does_not_contain_feedback_expectation(),
$this->get_does_not_contain_correctness_expectation());
$this->assertEquals('A [' . question_cbm::get_string(question_cbm::HIGH) . ']',
$this->quba->get_right_answer_summary($this->slot));
$this->assertRegExp('/' . preg_quote($mc->questiontext) . '/',
$this->quba->get_question_summary($this->slot));
$this->assertNull($this->quba->get_response_summary($this->slot));
// Now get it right.
$this->process_submission(array('answer' => $rightindex, '-certainty' => 3));
$this->quba->finish_all_questions();
// Verify.
$this->check_current_state(question_state::$gradedright);
$this->check_current_mark(3);
$this->check_current_output(
$this->get_contains_mc_radio_expectation($rightindex, false, true),
$this->get_contains_cbm_radio_expectation(3, false, true),
$this->get_contains_correct_expectation());
$this->assertRegExp('/(A) \[' . preg_quote(question_cbm::get_string(3)) . '\]/',
$this->quba->get_response_summary($this->slot));
}
public function test_deferred_cbm_truefalse_no_certainty_feedback_when_not_answered() {
// Create a true-false question with correct answer true.
$tf = test_question_maker::make_question('truefalse', 'true');
$this->start_attempt_at_question($tf, 'deferredcbm', 2);
// Verify.
$this->check_current_state(question_state::$todo);
$this->check_current_mark(null);
$this->check_current_output(
$this->get_does_not_contain_correctness_expectation(),
$this->get_contains_cbm_radio_expectation(1, true, false),
$this->get_does_not_contain_feedback_expectation());
// Finish without answering.
$this->quba->finish_all_questions();
// Verify.
$this->check_current_state(question_state::$gaveup);
$this->check_current_mark(null);
$this->check_current_output(
new question_no_pattern_expectation('/class=\"im-feedback/'));
}
}
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