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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/>.
/**
* Test helpers for the algebra question type.
*
* @package qtype_algebra
* @copyright 2017 Jean-Michel Vedrine
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* Test helper class for the algebra question type.
*
* @copyright 2017 Jean-Michel Vedrine
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class qtype_algebra_test_helper extends question_test_helper {
public function get_test_questions() {
return array('simplemath', 'derive');
}
/**
* Makes a algebra question with correct ansewer 7 and defaultmark 1.
* This question also has one variable.
* @return qtype_algebra_question
*/
public function make_algebra_question_simplemath() {
question_bank::load_question_definition_classes('algebra');
$q = new qtype_algebra_question();
test_question_maker::initialise_a_question($q);
$q->name = 'Algebra question';
$q->questiontext = 'P(x) = 3x and Q(x) = 4x. Calculate (P + Q)(x)';
$q->generalfeedback = 'Generalfeedback: (P + Q)(x) = 7x.';
$q->compareby = 'eval';
$q->nchecks = 10;
$q->tolerance = 0.001;
$q->disallow = '';
$q->allowedfuncs = '';
$q->answerprefix = '';
$q->answers = array(
13 => new question_answer(13, '7*x', 1.0, 'This is a very good answer.', FORMAT_HTML),
);
$q->variables = array(
7 => new qtype_algebra_variable(7, 'x', -5, 5)
);
$q->qtype = question_bank::get_qtype('algebra');
return $q;
}
/**
* Gets the question data for a algebra question with with correct
* ansewer 7 and defaultmark 1.
* This question also has one variable.
* @return stdClass
*/
public function get_algebra_question_data_simplemath() {
$qdata = new stdClass();
test_question_maker::initialise_question_data($qdata);
$qdata->qtype = 'algebra';
$qdata->name = 'Algebra question';
$qdata->questiontext = 'P(x) = 3x and Q(x) = 4x. Calculate (P + Q)(x)';
$qdata->generalfeedback = 'Generalfeedback: (P + Q)(x) = 7x.';
$qdata->options = new stdClass();
$qdata->options->compareby = 'eval';
$qdata->options->nchecks = '10';
$qdata->options->tolerance = 0.001;
$qdata->options->disallow = '';
$qdata->options->allowedfuncs = array();
$qdata->options->answerprefix = '';
$qdata->options->answers = array(
13 => new question_answer(13, '7*x', 1.0, 'This is a very good answer.', FORMAT_HTML),
);
$qdata->options->variables = array(
7 => new qtype_algebra_variable(7, 'x', -5, 5)
);
return $qdata;
}
/**
* Gets the question form data for a algebra question with with correct
* answer '7*x' and defaultmark 1.
* @return stdClass
*/
public function get_algebra_question_form_data_simplemath() {
$form = new stdClass();
$form->name = 'Algebra question';
$form->questiontext = array('text' => 'P(x) = 3x and Q(x) = 4x. Calculate (P + Q)(x)',
'format' => FORMAT_HTML);
$form->defaultmark = 1.0;
$form->generalfeedback = array('text' => 'Generalfeedback: (P + Q)(x) = 7x.', 'format' => FORMAT_HTML);
$form->compareby = 'eval';
$form->nchecks = '10';
$form->tolerance = 0.001;
$form->allowedfuncs = array('all' => 1);
$form->disallow = '';
$form->answerprefix = '';
$form->answer = array('7*x');
$form->fraction = array('1.0');
$form->variable = array('x');
$form->varmin = array('-5');
$form->varmax = array('5');
$form->feedback = array(
array('text' => 'This is a very good answer.', 'format' => FORMAT_HTML),
);
$form->penalty = 0.3333333;
return $form;
}
/**
* Makes a algebra question with one correct and one partially correct answer.
* @return qtype_algebra_question
*/
public function make_algebra_question_derive() {
question_bank::load_question_definition_classes('algebra');
$q = new qtype_algebra_question();
test_question_maker::initialise_a_question($q);
$q->name = 'Algebra question';
$q->questiontext = 'What is the derivative of the function \(f(x) = x^2\) ?';
$q->generalfeedback = 'Generalfeedback: 2*x is the correct answer.';
$q->compareby = 'eval';
$q->nchecks = 10;
$q->tolerance = 0.001;
$q->disallow = '';
$q->allowedfuncs = '';
$q->answerprefix = 'f(x) =';
$q->answers = array(
13 => new question_answer(13, '2*x', 1.0, 'Correct.', FORMAT_HTML),
14 => new question_answer(14, 'x', 0.2, 'It seems that you forgot something.', FORMAT_HTML),
);
$q->variables = array(
7 => new qtype_algebra_variable(7, 'x', -5, 5)
);
$q->qtype = question_bank::get_qtype('algebra');
return $q;
}
/**
* Gets the question data for a algebra question with one correct and
* one partially correct answer.
* @return stdClass
*/
public function get_algebra_question_data_derive() {
$qdata = new stdClass();
test_question_maker::initialise_question_data($qdata);
$qdata->qtype = 'algebra';
$qdata->name = 'Algebra question';
$qdata->questiontext = 'What is the derivative of the function \(f(x) = x^2\) ?';
$qdata->generalfeedback = 'Generalfeedback: 2*x is the correct answer.';
$qdata->options = new stdClass();
$qdata->options->compareby = 'eval';
$qdata->options->nchecks = 10;
$qdata->options->tolerance = 0.001;
$qdata->options->disallow = '';
$qdata->options->allowedfuncs = '';
$qdata->options->answerprefix = 'f(x) =';
$qdata->options->answers = array(
13 => new question_answer(13, '2*x', 1.0, 'Correct.', FORMAT_HTML),
14 => new question_answer(14, 'x', 0.2, 'It seems that you forgot something.', FORMAT_HTML),
);
$qdata->options->variables = array(
7 => new qtype_algebra_variable(7, 'x', -5, 5)
);
return $qdata;
}
}
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