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📄 walkthrough_test.php(13.7 KB)

Editing: walkthrough_test.php

<?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_multichoice;

use question_state;

defined('MOODLE_INTERNAL') || die();

global $CFG;
require_once($CFG->dirroot . '/question/engine/lib.php');
require_once($CFG->dirroot . '/question/engine/tests/helpers.php');

/**
 * Unit tests for the mutiple choice question type.
 *
 * Note, there are already lots of tests of the multichoice type in the behaviour
 * tests. (Search for \test_question_maker::make_a_multichoice.) This file only
 * contains a few additional tests for problems that were found during testing.
 *
 * @package    qtype_multichoice
 * @copyright  2010 The Open University
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 * @covers     \qtype_multichoice_single_question
 * @covers     \qtype_multichoice_single_base
 */
class walkthrough_test extends \qbehaviour_walkthrough_test_base {
    public function test_deferredfeedback_feedback_multichoice_single() {

// Create a multichoice, single question.
        $mc = \test_question_maker::make_a_multichoice_single_question();
        $mc->shuffleanswers = false;
        $mc->answers[14]->fraction = 0.1; // Make one of the choices partially right.
        $rightindex = 0;

$this->start_attempt_at_question($mc, 'deferredfeedback', 3);
        $this->process_submission(array('answer' => $rightindex));

// Verify.
        $this->check_current_state(question_state::$complete);
        $this->check_current_mark(null);
        $this->check_current_output(
                $this->get_contains_mc_radio_expectation($rightindex, true, true),
                $this->get_contains_mc_radio_expectation($rightindex + 1, true, false),
                $this->get_contains_mc_radio_expectation($rightindex + 2, true, false),
                $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(
                $this->get_contains_mc_radio_expectation($rightindex, false, true),
                $this->get_contains_correct_expectation(),
                new \question_pattern_expectation('/class="r0 correct"/'),
                new \question_pattern_expectation('/class="r1"/'));

// Regrade with a new version of the question.
        $oldmc = \test_question_maker::make_a_multichoice_single_question();
        $oldmc->answers = [
            23 => $oldmc->answers[13],
            24 => $oldmc->answers[14],
            25 => $oldmc->answers[15],
        ];
        $oldmc->answers[23]->fraction = 0.5;
        $oldmc->answers[23]->feedback = 'A is now only partially right';
        $oldmc->answers[24]->fraction = 1;
        $oldmc->answers[24]->answer = 'B is the new right answer';
        $this->quba->regrade_question($this->slot, true, null, $oldmc);

// Verify.
        $this->check_current_mark(1.5);
        $this->render();
        $this->assertStringContainsString('A is now only partially right', $this->currentoutput);
        $this->assertStringContainsString('B is the new right answer', $this->currentoutput);
        $this->assertStringNotContainsString(
                get_string('deletedchoice', 'qtype_multichoice'), $this->currentoutput);
    }

public function test_deferredfeedback_feedback_multichoice_single_showstandardunstruction_yes() {

// Create a multichoice, single question.
        $mc = \test_question_maker::make_a_multichoice_single_question();
        $mc->showstandardinstruction = true;

$this->start_attempt_at_question($mc, 'deferredfeedback', 3);
        $this->render();

// Check for 'Show standard instruction'.
        $standardinstruction = get_string('selectone', 'qtype_multichoice');
        $this->assertStringContainsString($standardinstruction, $this->currentoutput);
    }

public function test_deferredfeedback_feedback_multichoice_single_showstandardunstruction_no() {

// Create a multichoice, single question.
        $mc = \test_question_maker::make_a_multichoice_single_question();
        $mc->showstandardinstruction = false;

$this->start_attempt_at_question($mc, 'deferredfeedback', 3);
        $this->render();

// Check for 'Show standard instruction'.
        $standardinstruction = get_string('selectmulti', 'qtype_multichoice');
        $this->assertStringNotContainsString($standardinstruction, $this->currentoutput);
    }

public function test_deferredfeedback_feedback_multichoice_multi() {
        // Create a multichoice, multi question.
        $mc = \test_question_maker::make_a_multichoice_multi_question();
        $mc->shuffleanswers = false;

$this->start_attempt_at_question($mc, 'deferredfeedback', 2);
        $this->process_submission($mc->get_correct_response());
        $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_mc_checkbox_expectation('choice0', false, true),
                $this->get_contains_mc_checkbox_expectation('choice1', false, false),
                $this->get_contains_mc_checkbox_expectation('choice2', false, true),
                $this->get_contains_mc_checkbox_expectation('choice3', false, false),
                $this->get_contains_correct_expectation(),
                new \question_pattern_expectation('/class="r0 correct"/'),
                new \question_pattern_expectation('/class="r1"/'));
    }

/**
     * Test for clear choice option.
     */
    public function test_deferredfeedback_feedback_multichoice_clearchoice() {

// Create a multichoice, single question.
        $mc = \test_question_maker::make_a_multichoice_single_question();
        $mc->shuffleanswers = false;

$clearchoice = -1;
        $rightchoice = 0;
        $wrongchoice = 2;

$this->start_attempt_at_question($mc, 'deferredfeedback', 3);

// Let's first submit the wrong choice (2).
        $this->process_submission(array('answer' => $wrongchoice));  // Wrong choice (2).

$this->check_current_mark(null);
        // Clear choice radio should not be checked.
        $this->check_current_output(
            $this->get_contains_mc_radio_expectation($rightchoice, true, false), // Not checked.
            $this->get_contains_mc_radio_expectation($rightchoice + 1, true, false), // Not checked.
            $this->get_contains_mc_radio_expectation($rightchoice + 2, true, true), // Wrong choice (2) checked.
            $this->get_contains_mc_radio_expectation($clearchoice, true, false), // Not checked.
            $this->get_does_not_contain_correctness_expectation(),
            $this->get_does_not_contain_feedback_expectation()
        );

// Now, let's clear our previous choice.
        $this->process_submission(array('answer' => $clearchoice)); // Clear choice (-1).
        $this->check_current_mark(null);

// This time, the clear choice radio should be the only one checked.
        $this->check_current_output(
            $this->get_contains_mc_radio_expectation($rightchoice, true, false), // Not checked.
            $this->get_contains_mc_radio_expectation($rightchoice + 1, true, false), // Not checked.
            $this->get_contains_mc_radio_expectation($rightchoice + 2, true, false), // Not checked.
            $this->get_contains_mc_radio_expectation($clearchoice, true, true), // Clear choice radio checked.
            $this->get_does_not_contain_correctness_expectation(),
            $this->get_does_not_contain_feedback_expectation()
        );

// Finally, let's submit the right choice.
        $this->process_submission(array('answer' => $rightchoice)); // Right choice (0).
        $this->check_current_state(question_state::$complete);
        $this->check_current_mark(null);
        $this->check_current_output(
            $this->get_contains_mc_radio_expectation($rightchoice, true, true),
            $this->get_contains_mc_radio_expectation($rightchoice + 1, true, false),
            $this->get_contains_mc_radio_expectation($rightchoice + 2, true, false),
            $this->get_contains_mc_radio_expectation($clearchoice, true, false),
            $this->get_does_not_contain_correctness_expectation(),
            $this->get_does_not_contain_feedback_expectation()
        );

// Finish the attempt.
        $this->finish();

// Verify.
        $this->check_current_state(question_state::$gradedright);
        $this->check_current_mark(3);
        $this->check_current_output(
            $this->get_contains_mc_radio_expectation($rightchoice, false, true),
            $this->get_contains_correct_expectation(),
            new \question_pattern_expectation('/class="r0 correct"/'),
            new \question_pattern_expectation('/class="r1"/'));
    }

public function test_each_attempt_builds_on_last_and_regrade() {

// Create a multichoice, single question.
        $mc = \test_question_maker::make_a_multichoice_single_question();
        $mc->shuffleanswers = false;

$rightchoice = 0;

$this->start_attempt_at_question(clone($mc), 'deferredfeedback', 3);

// Submit the answer false (correct).
        $this->process_submission(['answer' => $rightchoice]);

// Finish the attempt.
        $this->quba->finish_all_questions();

// Check the state.
        $this->check_current_state(question_state::$gradedright);
        $this->check_current_mark(3);
        $this->check_current_output(
            $this->get_contains_mc_radio_expectation($rightchoice, false, true),
            $this->get_contains_mc_radio_expectation($rightchoice + 1, false, false),
            $this->get_contains_mc_radio_expectation($rightchoice + 2, false, false));

// Start a new attempt based on the first one.
        $firstattemptqa = $this->quba->get_question_attempt($this->slot);
        $this->quba = \question_engine::make_questions_usage_by_activity('unit_test',
                \context_system::instance());
        $this->quba->set_preferred_behaviour('deferredfeedback');
        $this->slot = $this->quba->add_question(clone($mc), 3);
        $this->quba->start_question_based_on($this->slot, $firstattemptqa);

// Verify.
        $this->check_current_state(question_state::$complete);
        $this->check_current_mark(null);
        $this->check_current_output(
            $this->get_contains_mc_radio_expectation($rightchoice, true, true),
            $this->get_contains_mc_radio_expectation($rightchoice + 1, true, false),
            $this->get_contains_mc_radio_expectation($rightchoice + 2, true, false));

// Finish the attempt without changing the answer.
        $this->quba->finish_all_questions();

// Regrade the attempt - code based on question_usage_by_activity::regrade_question.
        $oldqa = $this->quba->get_question_attempt($this->slot);
        $newqa = new \question_attempt(clone($mc),
                $oldqa->get_usage_id(), $this->quba->get_observer());
        $newqa->set_database_id($oldqa->get_database_id());
        $newqa->set_slot($oldqa->get_slot());
        $newqa->set_max_mark(3);
        $newqa->regrade($oldqa, true);

// Check the state.
        $this->assertEquals(question_state::$gradedright, $newqa->get_state());
        $this->assertEquals(3, $newqa->get_mark());
    }

public function test_deferredfeedback_feedback_multichoice_multi_showstandardunstruction_yes() {

// Create a multichoice, multi question.
        $mc = \test_question_maker::make_a_multichoice_multi_question();
        $mc->showstandardinstruction = true;

$this->start_attempt_at_question($mc, 'deferredfeedback', 3);
        $this->render();

// Check for 'Show standard instruction'.
        $standardinstruction = get_string('selectmulti', 'qtype_multichoice');
        $this->assertStringContainsString($standardinstruction, $this->currentoutput);
    }

public function test_deferredfeedback_feedback_multichoice_multi_showstandardunstruction_no() {

// Create a multichoice, multi question.
        $mc = \test_question_maker::make_a_multichoice_multi_question();
        $mc->showstandardinstruction = false;

$this->start_attempt_at_question($mc, 'deferredfeedback', 3);
        $this->render();

// Check for 'Show standard instruction'.
        $standardinstruction = \html_writer::tag('legend', get_string('answer'), [
            'class' => 'prompt h6 font-weight-normal sr-only'
        ]);
        $this->assertStringContainsString($standardinstruction, $this->currentoutput);
    }

}

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