Proyectos de Subversion Moodle

<?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

 */

final class walkthrough_test extends \qbehaviour_walkthrough_test_base {

    public function test_deferredfeedback_feedback_multichoice_single(): void {

        // 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(): void {

        // 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(): void {

        // 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(): void {

        // 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(): void {

        // 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(): void {

        // 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();

        // 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));

        // 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(): void {

        // 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(): void {

        // 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 fw-normal visually-hidden',

        ]);

        $this->assertStringContainsString($standardinstruction, $this->currentoutput);

    }

}