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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/>.namespace qtype_ddwtos;use question_display_options;use question_hint_with_parts;use question_state;defined('MOODLE_INTERNAL') || die();global $CFG;require_once($CFG->dirroot . '/question/engine/tests/helpers.php');require_once($CFG->dirroot . '/question/type/ddwtos/tests/helper.php');/*** Unit tests for the drag-and-drop words into sentences question type.** @package qtype_ddwtos* @copyright 2012 The Open University* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later*/class walkthrough_test extends \qbehaviour_walkthrough_test_base {protected function get_contains_drop_box_expectation($place, $group, $readonly,$stateclass = '0') {$qa = $this->quba->get_question_attempt($this->slot);$class = "place{$place} drop group{$group}";if ($readonly) {$class .= ' readonly';} else {$expectedattrs['tabindex'] = 0;}$expectedattrs['class'] = $class;return new \question_contains_tag_with_attributes('span', $expectedattrs);}public function test_interactive_behaviour(): void {// Create a drag-and-drop question.$dd = \test_question_maker::make_question('ddwtos');$dd->hints = array(new question_hint_with_parts(13, 'This is the first hint.', FORMAT_HTML, false, false),new question_hint_with_parts(14, 'This is the second hint.', FORMAT_HTML, true, true),);$dd->shufflechoices = false;$this->start_attempt_at_question($dd, 'interactive', 3);// Check the initial state.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, false),$this->get_contains_drop_box_expectation('2', 2, false),$this->get_contains_drop_box_expectation('3', 3, false),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', '0'),$this->get_contains_submit_button_expectation(true),$this->get_does_not_contain_feedback_expectation(),$this->get_tries_remaining_expectation(3),$this->get_no_hint_visible_expectation());// Save the wrong answer.$this->process_submission(array('p1' => '2', 'p2' => '2', 'p3' => '2'));// Verify.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, false),$this->get_contains_drop_box_expectation('2', 2, false),$this->get_contains_drop_box_expectation('3', 3, false),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', '2'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', '2'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', '2'),$this->get_contains_submit_button_expectation(true),$this->get_does_not_contain_correctness_expectation(),$this->get_does_not_contain_feedback_expectation(),$this->get_tries_remaining_expectation(3),$this->get_no_hint_visible_expectation());// Submit the wrong answer.$this->process_submission(array('p1' => '2', 'p2' => '2', 'p3' => '2', '-submit' => 1));// Verify.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, true),$this->get_contains_drop_box_expectation('2', 2, true),$this->get_contains_drop_box_expectation('3', 3, true),$this->get_does_not_contain_submit_button_expectation(),$this->get_contains_try_again_button_expectation(true),$this->get_does_not_contain_correctness_expectation(),$this->get_contains_hint_expectation('This is the first hint'));// Do try again.$this->process_submission(array('-tryagain' => 1));// Verify.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, false),$this->get_contains_drop_box_expectation('2', 2, false),$this->get_contains_drop_box_expectation('3', 3, false),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', '2'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', '2'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', '2'),$this->get_contains_submit_button_expectation(true),$this->get_does_not_contain_correctness_expectation(),$this->get_does_not_contain_feedback_expectation(),$this->get_tries_remaining_expectation(2),$this->get_no_hint_visible_expectation());// Submit the right answer.$this->process_submission(array('p1' => '1', 'p2' => '1', 'p3' => '1', '-submit' => 1));// Verify.$this->check_current_state(question_state::$gradedright);$this->check_current_mark(2);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, true, 'correct'),$this->get_contains_drop_box_expectation('2', 2, true, 'correct'),$this->get_contains_drop_box_expectation('3', 3, true, 'correct'),$this->get_does_not_contain_submit_button_expectation(),$this->get_contains_correct_expectation(),$this->get_no_hint_visible_expectation());// Check regrading does not mess anything up.$this->quba->regrade_all_questions();// Verify.$this->check_current_state(question_state::$gradedright);$this->check_current_mark(2);}public function test_deferred_feedback(): void {// Create a drag-and-drop question.$dd = \test_question_maker::make_question('ddwtos');$dd->shufflechoices = false;$this->start_attempt_at_question($dd, 'deferredfeedback', 3);// Check the initial state.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, false),$this->get_contains_drop_box_expectation('2', 2, false),$this->get_contains_drop_box_expectation('3', 3, false),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', '0'),$this->get_does_not_contain_feedback_expectation());// Save a partial answer.$this->process_submission(array('p1' => '1', 'p2' => '2'));// Verify.$this->check_current_state(question_state::$invalid);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, false),$this->get_contains_drop_box_expectation('2', 2, false),$this->get_contains_drop_box_expectation('3', 3, false),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', '1'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', '2'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', '0'),$this->get_does_not_contain_correctness_expectation(),$this->get_does_not_contain_feedback_expectation());// Save the right answer.$this->process_submission(array('p1' => '1', 'p2' => '1', 'p3' => '1'));// Verify.$this->check_current_state(question_state::$complete);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, false),$this->get_contains_drop_box_expectation('2', 2, false),$this->get_contains_drop_box_expectation('3', 3, false),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', '1'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', '1'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', '1'),$this->get_does_not_contain_correctness_expectation(),$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(3);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, true, 'correct'),$this->get_contains_drop_box_expectation('2', 2, true, 'correct'),$this->get_contains_drop_box_expectation('3', 3, true, 'correct'),$this->get_contains_correct_expectation());// Change the right answer a bit.$dd->rightchoices[2] = 2;// Check regrading does not mess anything up.$this->quba->regrade_all_questions();// Verify.$this->check_current_state(question_state::$gradedpartial);$this->check_current_mark(2);}public function test_deferred_feedback_unanswered(): void {// Create a drag-and-drop question.$dd = \test_question_maker::make_question('ddwtos');$dd->shufflechoices = false;$this->start_attempt_at_question($dd, 'deferredfeedback', 3);// Check the initial state.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, false),$this->get_contains_drop_box_expectation('2', 2, false),$this->get_contains_drop_box_expectation('3', 3, false),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', '0'),$this->get_does_not_contain_correctness_expectation(),$this->get_does_not_contain_feedback_expectation());$this->check_step_count(1);// Save a blank response.$this->process_submission(array('p1' => '0', 'p2' => '0', 'p3' => '0'));// Verify.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, false),$this->get_contains_drop_box_expectation('2', 2, false),$this->get_contains_drop_box_expectation('3', 3, false),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', '0'),$this->get_does_not_contain_correctness_expectation(),$this->get_does_not_contain_feedback_expectation());$this->check_step_count(1);// Finish the attempt.$this->quba->finish_all_questions();// Verify.$this->check_current_state(question_state::$gaveup);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, true),$this->get_contains_drop_box_expectation('2', 2, true),$this->get_contains_drop_box_expectation('3', 3, true));}public function test_deferred_feedback_partial_answer(): void {// Create a drag-and-drop question.$dd = \test_question_maker::make_question('ddwtos');$dd->shufflechoices = false;$this->start_attempt_at_question($dd, 'deferredfeedback', 3);// Check the initial state.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, false),$this->get_contains_drop_box_expectation('2', 2, false),$this->get_contains_drop_box_expectation('3', 3, false),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', '0'),$this->get_does_not_contain_correctness_expectation(),$this->get_does_not_contain_feedback_expectation());// Save a partial response.$this->process_submission(array('p1' => '1', 'p2' => '0', 'p3' => '0'));// Verify.$this->check_current_state(question_state::$invalid);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, false),$this->get_contains_drop_box_expectation('2', 2, false),$this->get_contains_drop_box_expectation('3', 3, false),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', '1'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', '0'),$this->get_does_not_contain_correctness_expectation(),$this->get_does_not_contain_feedback_expectation());// Finish the attempt.$this->quba->finish_all_questions();// Verify.$this->check_current_state(question_state::$gradedpartial);$this->check_current_mark(1);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, true, 'correct'),$this->get_contains_drop_box_expectation('2', 2, true, 'incorrect'),$this->get_contains_drop_box_expectation('3', 3, true, 'incorrect'),$this->get_contains_partcorrect_expectation());}public function test_interactive_grading(): void {// Create a drag-and-drop question.$dd = \test_question_maker::make_question('ddwtos');$dd->hints = array(new question_hint_with_parts(1, 'This is the first hint.',FORMAT_MOODLE, true, true),new question_hint_with_parts(2, 'This is the second hint.',FORMAT_MOODLE, true, true),);$dd->shufflechoices = false;$this->start_attempt_at_question($dd, 'interactive', 9);// Check the initial state.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->assertEquals('interactivecountback',$this->quba->get_question_attempt($this->slot)->get_behaviour_name());$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, false),$this->get_contains_drop_box_expectation('2', 2, false),$this->get_contains_drop_box_expectation('3', 3, false),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', '0'),$this->get_contains_submit_button_expectation(true),$this->get_does_not_contain_feedback_expectation(),$this->get_tries_remaining_expectation(3),$this->get_does_not_contain_num_parts_correct(),$this->get_no_hint_visible_expectation());// Submit an response with the first two parts right.$this->process_submission(array('p1' => '1', 'p2' => '1', 'p3' => '2', '-submit' => 1));// Verify.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, true),$this->get_contains_drop_box_expectation('2', 2, true),$this->get_contains_drop_box_expectation('3', 3, true),$this->get_does_not_contain_submit_button_expectation(),$this->get_contains_try_again_button_expectation(true),$this->get_does_not_contain_correctness_expectation(),$this->get_contains_hint_expectation('This is the first hint'),$this->get_contains_num_parts_correct(2),$this->get_contains_standard_partiallycorrect_combined_feedback_expectation(),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', '1'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', '1'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', '0'));// Check that extract responses will return the reset data.$prefix = $this->quba->get_field_prefix($this->slot);$this->assertEquals(array('p1' => '1', 'p2' => '1'),$this->quba->extract_responses($this->slot,array($prefix . 'p1' => '1', $prefix . 'p2' => '1', '-tryagain' => 1)));// Do try again.$this->process_submission(array('p1' => '1', 'p2' => '1', '-tryagain' => 1));// Verify.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, false),$this->get_contains_drop_box_expectation('2', 2, false),$this->get_contains_drop_box_expectation('3', 3, false),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', '1'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', '1'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', '0'),$this->get_contains_submit_button_expectation(true),$this->get_does_not_contain_try_again_button_expectation(),$this->get_does_not_contain_correctness_expectation(),$this->get_does_not_contain_feedback_expectation(),$this->get_tries_remaining_expectation(2),$this->get_no_hint_visible_expectation());// Submit an response with the first and last parts right.$this->process_submission(array('p1' => '1', 'p2' => '2', 'p3' => '1', '-submit' => 1));// Verify.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, true),$this->get_contains_drop_box_expectation('2', 2, true),$this->get_contains_drop_box_expectation('3', 3, true),$this->get_does_not_contain_submit_button_expectation(),$this->get_contains_try_again_button_expectation(true),$this->get_does_not_contain_correctness_expectation(),$this->get_contains_hint_expectation('This is the second hint'),$this->get_contains_num_parts_correct(2),$this->get_contains_standard_partiallycorrect_combined_feedback_expectation(),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', '1'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', '1'));// Do try again.$this->process_submission(array('p1' => '1', 'p3' => '1', '-tryagain' => 1));// Verify.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, false),$this->get_contains_drop_box_expectation('2', 2, false),$this->get_contains_drop_box_expectation('3', 3, false),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', '1'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', '1'),$this->get_contains_submit_button_expectation(true),$this->get_does_not_contain_try_again_button_expectation(),$this->get_does_not_contain_correctness_expectation(),$this->get_does_not_contain_feedback_expectation(),$this->get_tries_remaining_expectation(1),$this->get_no_hint_visible_expectation());// Submit the right answer.$this->process_submission(array('p1' => '1', 'p2' => '1', 'p3' => '1', '-submit' => 1));// Verify.$this->check_current_state(question_state::$gradedright);$this->check_current_mark(6);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, true, 'correct'),$this->get_contains_drop_box_expectation('2', 2, true, 'correct'),$this->get_contains_drop_box_expectation('3', 3, true, 'correct'),$this->get_does_not_contain_submit_button_expectation(),$this->get_does_not_contain_try_again_button_expectation(),$this->get_contains_correct_expectation(),$this->get_no_hint_visible_expectation(),$this->get_does_not_contain_num_parts_correct(),$this->get_contains_standard_correct_combined_feedback_expectation(),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', '1'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', '1'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', '1'));}public function test_interactive_correct_no_submit(): void {// Create a drag-and-drop question.$dd = \test_question_maker::make_question('ddwtos');$dd->hints = array(new question_hint_with_parts(23, 'This is the first hint.',FORMAT_MOODLE, false, false),new question_hint_with_parts(24, 'This is the second hint.',FORMAT_MOODLE, true, true),);$dd->shufflechoices = false;$this->start_attempt_at_question($dd, 'interactive', 3);// Check the initial state.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, false),$this->get_contains_drop_box_expectation('2', 2, false),$this->get_contains_drop_box_expectation('3', 3, false),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', '0'),$this->get_contains_submit_button_expectation(true),$this->get_does_not_contain_feedback_expectation(),$this->get_tries_remaining_expectation(3),$this->get_no_hint_visible_expectation());// Save the right answer.$this->process_submission(array('p1' => '1', 'p2' => '1', 'p3' => '1'));// Finish the attempt without clicking check.$this->quba->finish_all_questions();// Verify.$this->check_current_state(question_state::$gradedright);$this->check_current_mark(3);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, true, 'correct'),$this->get_contains_drop_box_expectation('2', 2, true, 'correct'),$this->get_contains_drop_box_expectation('3', 3, true, 'correct'),$this->get_does_not_contain_submit_button_expectation(),$this->get_contains_correct_expectation(),$this->get_no_hint_visible_expectation());// Check regrading does not mess anything up.$this->quba->regrade_all_questions();// Verify.$this->check_current_state(question_state::$gradedright);$this->check_current_mark(3);}public function test_interactive_partial_no_submit(): void {// Create a drag-and-drop question.$dd = \test_question_maker::make_question('ddwtos');$dd->hints = array(new question_hint_with_parts(23, 'This is the first hint.',FORMAT_MOODLE, false, false),new question_hint_with_parts(24, 'This is the second hint.',FORMAT_MOODLE, true, true),);$dd->shufflechoices = false;$this->start_attempt_at_question($dd, 'interactive', 3);// Check the initial state.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, false),$this->get_contains_drop_box_expectation('2', 2, false),$this->get_contains_drop_box_expectation('3', 3, false),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', '0'),$this->get_contains_submit_button_expectation(true),$this->get_does_not_contain_feedback_expectation(),$this->get_tries_remaining_expectation(3),$this->get_no_hint_visible_expectation());// Save the a partially right answer.$this->process_submission(array('p1' => '1', 'p2' => '2', 'p3' => '2'));// Finish the attempt without clicking check.$this->quba->finish_all_questions();// Verify.$this->check_current_state(question_state::$gradedpartial);$this->check_current_mark(1);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, true, 'correct'),$this->get_contains_drop_box_expectation('2', 2, true, 'incorrect'),$this->get_contains_drop_box_expectation('3', 3, true, 'incorrect'),$this->get_does_not_contain_submit_button_expectation(),$this->get_contains_partcorrect_expectation(),$this->get_no_hint_visible_expectation());// Check regrading does not mess anything up.$this->quba->regrade_all_questions();// Verify.$this->check_current_state(question_state::$gradedpartial);$this->check_current_mark(1);}public function test_interactive_no_right_clears(): void {// Create a drag-and-drop question.$dd = \test_question_maker::make_question('ddwtos');$dd->hints = array(new question_hint_with_parts(23, 'This is the first hint.', FORMAT_MOODLE, false, true),new question_hint_with_parts(24, 'This is the second hint.', FORMAT_MOODLE, true, true),);$dd->shufflechoices = false;$this->start_attempt_at_question($dd, 'interactive', 3);// Check the initial state.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_marked_out_of_summary(),$this->get_contains_drop_box_expectation('1', 1, false),$this->get_contains_drop_box_expectation('2', 2, false),$this->get_contains_drop_box_expectation('3', 3, false),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', '0'),$this->get_contains_submit_button_expectation(true),$this->get_does_not_contain_feedback_expectation(),$this->get_tries_remaining_expectation(3),$this->get_no_hint_visible_expectation());// Save the a completely wrong answer.$this->process_submission(array('p1' => '2', 'p2' => '2', 'p3' => '2', '-submit' => 1));// Verify.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_marked_out_of_summary(),$this->get_contains_drop_box_expectation('1', 1, true),$this->get_contains_drop_box_expectation('2', 2, true),$this->get_contains_drop_box_expectation('3', 3, true),$this->get_does_not_contain_submit_button_expectation(),$this->get_contains_hint_expectation('This is the first hint'));// Do try again.$this->process_submission(array('p1' => '0', 'p2' => '0', 'p3' => '0', '-tryagain' => 1));// Check that all the wrong answers have been cleared.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_marked_out_of_summary(),$this->get_contains_drop_box_expectation('1', 1, false),$this->get_contains_drop_box_expectation('2', 2, false),$this->get_contains_drop_box_expectation('3', 3, false),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', '0'),$this->get_contains_submit_button_expectation(true),$this->get_does_not_contain_feedback_expectation(),$this->get_tries_remaining_expectation(2),$this->get_no_hint_visible_expectation());}public function test_display_of_right_answer_when_shuffled(): void {// Create a drag-and-drop question.$dd = \test_question_maker::make_question('ddwtos');$this->start_attempt_at_question($dd, 'deferredfeedback', 3);// Check the initial state.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, false),$this->get_contains_drop_box_expectation('2', 2, false),$this->get_contains_drop_box_expectation('3', 3, false),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', '0'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', '0'),$this->get_does_not_contain_feedback_expectation());// Save a partial answer.$this->process_submission($dd->get_correct_response());// Verify.$this->check_current_state(question_state::$complete);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, false),$this->get_contains_drop_box_expectation('2', 2, false),$this->get_contains_drop_box_expectation('3', 3, false),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1',$dd->get_right_choice_for(1)),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2',$dd->get_right_choice_for(2)),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3',$dd->get_right_choice_for(3)),$this->get_does_not_contain_correctness_expectation(),$this->get_does_not_contain_feedback_expectation());// Finish the attempt.$this->quba->finish_all_questions();// Verify.$this->displayoptions->rightanswer = question_display_options::VISIBLE;$this->assertEquals('{quick} {fox} {lazy}', $dd->get_right_answer_summary());$this->check_current_state(question_state::$gradedright);$this->check_current_mark(3);$this->check_current_output($this->get_contains_drop_box_expectation('1', 1, true, 'correct'),$this->get_contains_drop_box_expectation('2', 2, true, 'correct'),$this->get_contains_drop_box_expectation('3', 3, true, 'correct'),$this->get_contains_correct_expectation(),new \question_pattern_expectation('/' .preg_quote('The [quick] brown [fox] jumped over the [lazy] dog.', '/') . '/'));}}