C:/xampp/htdocs/moodle/question/type/multianswer/simpletest/testquestiontype.php

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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/>.

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

require_once($CFG->dirroot . '/question/engine/simpletest/helpers.php');
require_once($CFG->dirroot . '/question/type/multianswer/questiontype.php');


class qtype_multianswer_test extends UnitTestCase {
    protected $qtype;

    public function setUp() {
        $this->qtype = new qtype_multianswer();
    }

    public function tearDown() {
        $this->qtype = null;
    }

    protected function get_test_question_data() {
        global $USER;
        $q = new stdClass();
        $q->id = 0;
        $q->name = 'Simple multianswer';
        $q->category = 0;
        $q->contextid = 0;
        $q->parent = 0;
        $q->questiontext =
                'Complete this opening line of verse: "The {#1} and the {#2} went to sea".';
        $q->questiontextformat = FORMAT_HTML;
        $q->generalfeedback = 'Generalfeedback: It\'s from "The Owl and the Pussy-cat" by Lear: ' .
                '"The owl and the pussycat went to see';
        $q->generalfeedbackformat = FORMAT_HTML;
        $q->defaultmark = 2;
        $q->penalty = 0.3333333;
        $q->length = 1;
        $q->stamp = make_unique_id_code();
        $q->version = make_unique_id_code();
        $q->hidden = 0;
        $q->timecreated = time();
        $q->timemodified = time();
        $q->createdby = $USER->id;
        $q->modifiedby = $USER->id;

        $sadata = new stdClass();
        $sadata->id = 1;
        $sadata->qtype = 'shortanswer';
        $sadata->defaultmark = 1;
        $sadata->options->usecase = true;
        $sadata->options->answers[1] = (object) array('answer' => 'Bow-wow', 'fraction' => 0);
        $sadata->options->answers[2] = (object) array('answer' => 'Wiggly worm', 'fraction' => 0);
        $sadata->options->answers[3] = (object) array('answer' => 'Pussy-cat', 'fraction' => 1);

        $mcdata = new stdClass();
        $mcdata->id = 1;
        $mcdata->qtype = 'multichoice';
        $mcdata->defaultmark = 1;
        $mcdata->options->single = true;
        $mcdata->options->answers[1] = (object) array('answer' => 'Dog', 'fraction' => 0);
        $mcdata->options->answers[2] = (object) array('answer' => 'Owl', 'fraction' => 1);
        $mcdata->options->answers[3] = (object) array('answer' => '*', 'fraction' => 0);

        $q->options->questions = array(
            1 => $sadata,
            2 => $mcdata,
        );

        return $q;
    }

    public function test_name() {
        $this->assertEqual($this->qtype->name(), 'multianswer');
    }

    public function test_can_analyse_responses() {
        $this->assertFalse($this->qtype->can_analyse_responses());
    }

    public function test_get_random_guess_score() {
        $q = test_question_maker::get_question_data('multianswer', 'twosubq');
        $this->assertWithinMargin(0.1666667, $this->qtype->get_random_guess_score($q), 0.0000001);
    }
}