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 qbehaviour_deferredfeedback;

use question_state;

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

global $CFG;

require_once(__DIR__ . '/../../../engine/lib.php');

require_once(__DIR__ . '/../../../engine/tests/helpers.php');

/**

 * Unit tests for the deferred feedback behaviour.

 *

 * @package    qbehaviour_deferredfeedback

 * @copyright  2009 The Open University

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class walkthrough_test extends \qbehaviour_walkthrough_test_base {

    public function test_deferredfeedback_feedback_truefalse() {

        // Create a true-false question with correct answer true.

        $tf = \test_question_maker::make_question('truefalse', 'true');

        $this->start_attempt_at_question($tf, 'deferredfeedback', 2);

        // Check the initial state.

        $this->check_current_state(question_state::$todo);

        $this->check_output_contains_lang_string('notyetanswered', 'question');

        $this->check_current_mark(null);

        $this->check_current_output($this->get_contains_question_text_expectation($tf),

                $this->get_does_not_contain_feedback_expectation());

        $this->assertEquals(get_string('true', 'qtype_truefalse'),

                $this->quba->get_right_answer_summary($this->slot));

        $this->assertMatchesRegularExpression('/' . preg_quote($tf->questiontext, '/') . '/',

                $this->quba->get_question_summary($this->slot));

        $this->assertNull($this->quba->get_response_summary($this->slot));

        // Process a true answer and check the expected result.

        $this->process_submission(array('answer' => 1));

        $this->check_current_state(question_state::$complete);

        $this->check_output_contains_lang_string('answersaved', 'question');

        $this->check_current_mark(null);

        $this->check_current_output($this->get_contains_tf_true_radio_expectation(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));

        $this->check_step_count($numsteps);

        // Process different data, check it creates a new step.

        $this->process_submission(array('answer' => 0));

        $this->check_step_count($numsteps + 1);

        $this->check_current_state(question_state::$complete);

        // Change back, check it creates a new step.

        $this->process_submission(array('answer' => 1));

        $this->check_step_count($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_correct_expectation(),

                $this->get_contains_tf_true_radio_expectation(false, true),

                new \question_pattern_expectation('/class="r0 correct"/'));

        $this->assertEquals(get_string('true', 'qtype_truefalse'),

                $this->quba->get_response_summary($this->slot));

        // Process a manual comment.

        $this->manual_grade('Not good enough!', 1, FORMAT_HTML);

        $this->check_current_state(question_state::$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);

        $this->assertEqualsWithDelta($autogradedstep->get_fraction(), 0, 0.0000001);

    }

    public function test_deferredfeedback_feedback_multichoice_single() {

        // Create a true-false question with correct answer true.

        $mc = \test_question_maker::make_a_multichoice_single_question();

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

        // Start a deferred feedback attempt and add the question to it.

        $rightindex = $this->get_mc_right_answer_index($mc);

        $this->check_current_state(question_state::$todo);

        $this->check_output_contains_lang_string('notyetanswered', 'question');

        $this->check_current_mark(null);

        $this->check_current_output(

                $this->get_contains_question_text_expectation($mc),

                $this->get_contains_mc_radio_expectation(0, true, false),

                $this->get_contains_mc_radio_expectation(1, true, false),

                $this->get_contains_mc_radio_expectation(2, true, false),

                $this->get_does_not_contain_feedback_expectation());

        // Process the data extracted for this question.

        $this->process_submission(array('answer' => $rightindex));

        // Verify.

        $this->check_current_state(question_state::$complete);

        $this->check_output_contains_lang_string('answersaved', 'question');

        $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) % 3, true, false),

                $this->get_contains_mc_radio_expectation(($rightindex + 1) % 3, 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());

        // Now change the correct answer to the question, and regrade.

        $mc->answers[13]->fraction = -0.33333333;

        $mc->answers[14]->fraction = 1;

        $this->quba->regrade_all_questions();

        // Verify.

        $this->check_current_state(question_state::$gradedwrong);

        $this->check_current_mark(-1);

        $this->check_current_output(

                $this->get_contains_incorrect_expectation());

    }

    public function test_deferredfeedback_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, 'deferredfeedback', 3);

        $rightindex = $this->get_mc_right_answer_index($mc);

        $wrongindex = ($rightindex + 1) % 3;

        $this->check_current_state(question_state::$todo);

        $this->check_output_contains_lang_string('notyetanswered', 'question');

        $this->check_current_mark(null);

        $this->process_submission(array('answer' => $wrongindex));

        $this->quba->finish_all_questions();

        // Verify.

        $this->check_current_state(question_state::$gradedwrong);

        $this->check_current_mark(-1);

        $this->check_current_output(

                $this->get_contains_mc_radio_expectation($wrongindex, false, true),

                $this->get_contains_incorrect_expectation());

        // Save the old attempt.

        $oldqa = $this->quba->get_question_attempt($this->slot);

        // Reinitialise.

        $this->setUp();

        $this->quba->set_preferred_behaviour('deferredfeedback');

        $this->slot = $this->quba->add_question($mc, 3);

        $this->quba->start_question_based_on($this->slot, $oldqa);

        // Verify.

        $this->check_current_state(question_state::$complete);

        $this->check_output_contains_lang_string('notchanged', 'question');

        $this->check_current_mark(null);

        $this->check_current_output(

                $this->get_contains_mc_radio_expectation($wrongindex, true, true),

                $this->get_does_not_contain_feedback_expectation(),

                $this->get_does_not_contain_correctness_expectation());

        // Now get it right.

        $this->process_submission(array('answer' => $rightindex));

        $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());

    }

    public function test_deferredfeedback_resume_multichoice_single_emptyanswer_first() {

        // Create a multiple-choice question.

        $mc = \test_question_maker::make_a_multichoice_single_question();

        // Attempt it and submit empty.

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

        $rightindex = $this->get_mc_right_answer_index($mc);

        $wrongindex = ($rightindex + 1) % 3;

        $this->check_current_state(question_state::$todo);

        $this->check_output_contains_lang_string('notyetanswered', 'question');

        $this->check_current_mark(null);

        $this->process_submission(array('-submit' => 1));

        $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_mc_radio_expectation(0, false, false),

                $this->get_contains_mc_radio_expectation(1, false, false),

                $this->get_contains_mc_radio_expectation(2, false, false),

                $this->get_contains_general_feedback_expectation($mc));

        // Save the old attempt.

        $oldqa = $this->quba->get_question_attempt($this->slot);

        // Reinitialise.

        $this->setUp();

        $this->quba->set_preferred_behaviour('deferredfeedback');

        $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_output_contains_lang_string('notyetanswered', 'question');

        $this->check_current_mark(null);

        $this->check_current_output(

                $this->get_contains_mc_radio_expectation(0, true, false),

                $this->get_contains_mc_radio_expectation(1, true, false),

                $this->get_contains_mc_radio_expectation(2, true, false),

                $this->get_does_not_contain_feedback_expectation(),

                $this->get_does_not_contain_correctness_expectation());

        // Now get it wrong.

        $this->process_submission(array('answer' => $wrongindex));

        $this->quba->finish_all_questions();

        // Verify.

        $this->check_current_state(question_state::$gradedwrong);

        $this->check_current_mark(-1);

        $this->check_current_output(

                $this->get_contains_mc_radio_expectation($wrongindex, false, true),

                $this->get_contains_incorrect_expectation());

        // Save the old attempt.

        $oldqa = $this->quba->get_question_attempt($this->slot);

        // Reinitialise.

        $this->setUp();

        $this->quba->set_preferred_behaviour('deferredfeedback');

        $this->slot = $this->quba->add_question($mc, 3);

        $this->quba->start_question_based_on($this->slot, $oldqa);

        // Verify.

        $this->check_current_state(question_state::$complete);

        $this->check_output_contains_lang_string('notchanged', 'question');

        $this->check_current_mark(null);

        $this->check_current_output(

                $this->get_contains_mc_radio_expectation($wrongindex, true, true),

                $this->get_does_not_contain_feedback_expectation(),

                $this->get_does_not_contain_correctness_expectation());

        // Now get it right.

        $this->process_submission(array('answer' => $rightindex));

        $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());

    }

}