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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_ddimageortext;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/ddimageortext/tests/helper.php');/*** Unit tests for the drag-and-drop onto image question type.** @package qtype_ddimageortext* @copyright 2010 The Open University* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later*/class walkthrough_test extends \qbehaviour_walkthrough_test_base {/*** Get an expectation that the output contains an item ready to drag.* @param int $dragitemno the item number.* @param int $choice which choice this is.* @param int $group which drag group it belongs to.* @return \question_contains_tag_with_attributes the required expectation.*/protected function get_contains_drag_image_home_expectation($dragitemno, $choice, $group) {$class = 'group' . $group . ' draghome choice' . $choice;$expectedattrs = array();$expectedattrs['class'] = $class;return new \question_contains_tag_with_attributes('div', $expectedattrs);}public function test_interactive_behaviour(): void {// Create a drag-and-drop question.$dd = \test_question_maker::make_question('ddimageortext');$dd->hints = array(new question_hint_with_parts(13, 'This is the first hint.', FORMAT_HTML, false, false),new question_hint_with_parts(14, 'This is the second hint.', FORMAT_HTML, true, true),);$dd->shufflechoices = false;$this->start_attempt_at_question($dd, 'interactive', 12);// Check the initial state.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4'),$this->get_contains_submit_button_expectation(true),$this->get_does_not_contain_feedback_expectation(),$this->get_tries_remaining_expectation(3),$this->get_no_hint_visible_expectation());// Save the wrong answer.$this->process_submission(array('p1' => '2', 'p2' => '1', 'p3' => '2', 'p4' => '1'));// Verify.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', 2),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', 1),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', 2),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4', 1),$this->get_contains_submit_button_expectation(true),$this->get_does_not_contain_feedback_expectation(),$this->get_tries_remaining_expectation(3),$this->get_no_hint_visible_expectation());// Submit the wrong answer.$this->process_submission(array('p1' => '2', 'p2' => '1', 'p3' => '2', 'p4' => '1', '-submit' => 1));// Verify.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', 2),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', 1),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', 2),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4', 1),$this->get_contains_try_again_button_expectation(true),$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_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', '2'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', '1'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', '2'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4', '1'),$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.$this->process_submission(array('p1' => '1', 'p2' => '2', 'p3' => '1', 'p4' => '2', '-submit' => 1));// Verify.$this->check_current_state(question_state::$gradedright);$this->check_current_mark(8);$this->check_current_output($this->get_contains_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$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', '1'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4', '2'),$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(8);}public function test_deferred_feedback(): void {// Create a drag-and-drop question.$dd = \test_question_maker::make_question('ddimageortext');$dd->shufflechoices = false;$this->start_attempt_at_question($dd, 'deferredfeedback', 12);// Check the initial state.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4'),$this->get_does_not_contain_feedback_expectation());// Save a partial answer.$this->process_submission(array('p1' => '2', 'p2' => '1'));// Verify.$this->check_current_state(question_state::$invalid);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', 2),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', 1),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', ''),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4', ''),$this->get_does_not_contain_correctness_expectation(),$this->get_does_not_contain_feedback_expectation());// Save the right answer.$this->process_submission(array('p1' => '1', 'p2' => '2', 'p3' => '1', 'p4' => '2'));// Verify.$this->check_current_state(question_state::$complete);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$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', 1),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4', 2),$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);$this->check_current_mark(12);$this->check_current_output($this->get_contains_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$this->get_contains_hidden_expectation($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($this->slot) . 'p3', 1),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4', 2),$this->get_contains_correct_expectation());// Change the right answer a bit.$dd->rightchoices[2] = 1;// Check regrading does not mess anything up.$this->quba->regrade_all_questions();// Verify.$this->check_current_state(question_state::$gradedpartial);$this->check_current_mark(9);}public function test_deferred_feedback_unanswered(): void {// Create a drag-and-drop question.$dd = \test_question_maker::make_question('ddimageortext');$dd->shufflechoices = false;$this->start_attempt_at_question($dd, 'deferredfeedback', 12);// Check the initial state.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4'),$this->get_does_not_contain_correctness_expectation(),$this->get_does_not_contain_feedback_expectation());$this->check_step_count(1);// Save a blank response.$this->process_submission(array('p1' => '', 'p2' => '', 'p3' => '', 'p4' => ''));// Verify.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1', ''),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2', ''),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', ''),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4', ''),$this->get_does_not_contain_correctness_expectation(),$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($this->get_contains_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2));}public function test_deferred_feedback_partial_answer(): void {// Create a drag-and-drop question.$dd = \test_question_maker::make_question('ddimageortext');$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($this->get_contains_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4'),$this->get_does_not_contain_correctness_expectation(),$this->get_does_not_contain_feedback_expectation());// Save a partial response.$this->process_submission(array('p1' => '1', 'p2' => '2', 'p3' => '', 'p4' => ''));// Verify.$this->check_current_state(question_state::$invalid);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$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),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4', 0),$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);$this->check_current_mark(1.5);$this->check_current_output($this->get_contains_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$this->get_contains_partcorrect_expectation());}public function test_interactive_grading(): void {// Create a drag-and-drop question.$dd = \test_question_maker::make_question('ddimageortext');$dd->hints = array(new question_hint_with_parts(1, 'This is the first hint.',FORMAT_MOODLE, true, true),new question_hint_with_parts(2, 'This is the second hint.',FORMAT_MOODLE, true, true),);$dd->shufflechoices = false;$this->start_attempt_at_question($dd, 'interactive', 12);// 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_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4'),$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.$this->process_submission(array('p1' => '1', 'p2' => '2', 'p3' => '2', 'p4' => '1', '-submit' => 1));// Verify.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$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($this->slot) . 'p2', 2),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', 2),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4', 1));// Check that extract responses will return the reset data.$prefix = $this->quba->get_field_prefix($this->slot);$this->assertEquals(array('p1' => '1', 'p2' => '2'),$this->quba->extract_responses($this->slot,array($prefix . 'p1' => '1', $prefix . 'p2' => '2', '-tryagain' => 1)));// Do try again.// keys p3 and p4 are extra hidden fields to clear data.$this->process_submission(array('p1' => '1', 'p2' => '2', 'p3' => '', 'p4' => '', '-tryagain' => 1));// Verify.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$this->get_contains_hidden_expectation($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_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4', 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.$this->process_submission(array('p1' => '1', 'p2' => '1', 'p3' => '2', 'p4' => '2', '-submit' => 1));// Verify.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$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($this->slot) . 'p2', 1),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3', 2),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4', 2));// Do try again.$this->process_submission(array('p1' => '1', 'p2' => '', 'p3' => '', 'p4' => '2', '-tryagain' => 1));// Verify.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$this->get_contains_hidden_expectation($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_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4', 2),$this->get_contains_submit_button_expectation(true),$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.$this->process_submission(array('p1' => '1', 'p2' => '2', 'p3' => '1', 'p4' => '2', '-submit' => 1));// Verify.$this->check_current_state(question_state::$gradedright);$this->check_current_mark(7);$this->check_current_output($this->get_contains_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$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', 1),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4', 2),$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(),$this->get_contains_standard_correct_combined_feedback_expectation());}public function test_interactive_correct_no_submit(): void {// Create a drag-and-drop question.$dd = \test_question_maker::make_question('ddimageortext');$dd->hints = array(new question_hint_with_parts(23, 'This is the first hint.',FORMAT_MOODLE, false, false),new question_hint_with_parts(24, 'This is the second hint.',FORMAT_MOODLE, true, true),);$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($this->get_contains_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4'),$this->get_contains_submit_button_expectation(true),$this->get_does_not_contain_feedback_expectation(),$this->get_tries_remaining_expectation(3),$this->get_no_hint_visible_expectation());// Save the right answer.$this->process_submission(array('p1' => '1', 'p2' => '2', 'p3' => '1', 'p4' => '2'));// Finish the attempt without clicking check.$this->quba->finish_all_questions();// Verify.$this->check_current_state(question_state::$gradedright);$this->check_current_mark(3);$this->check_current_output($this->get_contains_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$this->get_does_not_contain_submit_button_expectation(),$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('ddimageortext');$dd->hints = array(new question_hint_with_parts(23, 'This is the first hint.',FORMAT_MOODLE, false, false),new question_hint_with_parts(24, 'This is the second hint.',FORMAT_MOODLE, true, true),);$dd->shufflechoices = false;$this->start_attempt_at_question($dd, 'interactive', 4);// Check the initial state.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4'),$this->get_contains_submit_button_expectation(true),$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.$this->process_submission(array('p1' => '1', 'p2' => '1', 'p3' => '2', 'p4' => '1'));// Finish the attempt without clicking check.$this->quba->finish_all_questions();// Verify.$this->check_current_state(question_state::$gradedpartial);$this->check_current_mark(1);$this->check_current_output($this->get_contains_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$this->get_does_not_contain_submit_button_expectation(),$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('ddimageortext');$dd->hints = array(new question_hint_with_parts(23, 'This is the first hint.', FORMAT_MOODLE, false, true),new question_hint_with_parts(24, 'This is the second hint.', FORMAT_MOODLE, true, true),);$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_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4'),$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' => '1', 'p3' => '2', 'p4' => '1', '-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_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$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' => '', 'p2' => '', 'p3' => '', 'p4' => '', '-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_drag_image_home_expectation(1, 1, 1),$this->get_contains_drag_image_home_expectation(2, 2, 1),$this->get_contains_drag_image_home_expectation(3, 1, 2),$this->get_contains_drag_image_home_expectation(4, 2, 2),$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),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4', 0),$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('ddimageortext');$this->start_attempt_at_question($dd, 'deferredfeedback', 3);// Check the initial state.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output($this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p1'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p2'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p3'),$this->get_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4'),$this->get_does_not_contain_feedback_expectation());// Save a partial answer.$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_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_contains_hidden_expectation($this->quba->get_field_prefix($this->slot) . 'p4',$dd->get_right_choice_for(4)),$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('Drop zone 1 -> {1. quick} '.'Drop zone 2 -> {2. fox} '.'Drop zone 3 -> {3. lazy} '.'Drop zone 4 -> {4. dog}',$dd->get_right_answer_summary());$this->check_current_state(question_state::$gradedright);$this->check_current_mark(3);}public function test_mixed_lang_rendering(): void {// Create a mixe drag-and-drop question.$dd = \test_question_maker::make_question('ddimageortext', 'mixedlang');$dd->shufflechoices = false;$this->start_attempt_at_question($dd, 'interactive', 1);// Check the initial state.$this->check_current_state(question_state::$todo);$this->check_current_mark(null);$this->check_current_output(new \question_pattern_expectation('~<div class="group1 draghome user-select-none choice1"><span lang="fr">la</span></div>~'),new \question_pattern_expectation('~<div class="group1 draghome user-select-none choice2"><span lang="fr">ma</span></div>~'));}}