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/>.

/**

 * Unit tests for the {@link \mod_quiz\repaginate} class.

 * @package   mod_quiz

 * @category  test

 * @copyright 2014 The Open Univsersity

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

 */

namespace mod_quiz;

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

global $CFG;

require_once($CFG->dirroot . '/mod/quiz/locallib.php');

require_once($CFG->dirroot . '/mod/quiz/classes/repaginate.php');

/**

 * Test for {@see \mod_quiz\repaginate}

 * @copyright 2014 The Open Univsersity

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

 */

class mod_quiz_repaginate_testable extends repaginate {

    public function __construct($quizid = 0, $slots = null) {

        return parent::__construct($quizid, $slots);

    }

    public function get_this_slot($slots, $slotnumber) {

        return parent::get_this_slot($slots, $slotnumber);

    }

    public function get_slots_by_slotid($slots = null) {

        return parent::get_slots_by_slotid($slots);

    }

    public function get_slots_by_slot_number($slots = null) {

        return parent::get_slots_by_slot_number($slots);

    }

    public function repaginate_this_slot($slot, $newpagenumber) {

        return parent::repaginate_this_slot($slot, $newpagenumber);

    }

    public function repaginate_next_slot($nextslotnumber, $type) {

        return parent::repaginate_next_slot($nextslotnumber, $type);

    }

}

/**

 * Test for some parts of the repaginate class.

 * @copyright 2014 The Open University

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

 */

class repaginate_test extends \advanced_testcase {

    /** @var array stores the slots. */

    private $quizslots;

    /** @var mod_quiz_repaginate_testable the object being tested. */

    private $repaginate = null;

    public function setUp(): void {

        $this->set_quiz_slots($this->get_quiz_object()->get_slots());

        $this->repaginate = new mod_quiz_repaginate_testable(0, $this->quizslots);

    }

    /**

     * Create a quiz, add five questions to the quiz

     * which are all on one page and return the quiz object.

     */

    private function get_quiz_object() {

        global $SITE;

        $this->resetAfterTest(true);

        // Make a quiz.

        $quizgenerator = $this->getDataGenerator()->get_plugin_generator('mod_quiz');

        $quiz = $quizgenerator->create_instance([

                'course' => $SITE->id, 'questionsperpage' => 0, 'grade' => 100.0, 'sumgrades' => 2]);

        $cm = get_coursemodule_from_instance('quiz', $quiz->id, $SITE->id);

        // Create five questions.

        $questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');

        $cat = $questiongenerator->create_question_category();

        $shortanswer = $questiongenerator->create_question('shortanswer', null, ['category' => $cat->id]);

        $numerical = $questiongenerator->create_question('numerical', null, ['category' => $cat->id]);

        $essay = $questiongenerator->create_question('essay', null, ['category' => $cat->id]);

        $truefalse = $questiongenerator->create_question('truefalse', null, ['category' => $cat->id]);

        $match = $questiongenerator->create_question('match', null, ['category' => $cat->id]);

        // Add them to the quiz.

        quiz_add_quiz_question($shortanswer->id, $quiz);

        quiz_add_quiz_question($numerical->id, $quiz);

        quiz_add_quiz_question($essay->id, $quiz);

        quiz_add_quiz_question($truefalse->id, $quiz);

        quiz_add_quiz_question($match->id, $quiz);

        // Return the quiz object.

        $quizobj = new quiz_settings($quiz, $cm, $SITE);

        return structure::create_for_quiz($quizobj);

    }

    /**

     * Set the quiz slots

     * @param string $slots

     */

    private function set_quiz_slots($slots = null) {

        if (!$slots) {

            $this->quizslots = $this->get_quiz_object()->get_slots();

        } else {

            $this->quizslots = $slots;

        }

    }

    /**

     * Test the get_this_slot() method

     */

    public function test_get_this_slot(): void {

        $this->set_quiz_slots();

        $actual = [];

        $expected = $this->repaginate->get_slots_by_slot_number();

        $this->assertEquals($expected, $actual);

        $slotsbyno = $this->repaginate->get_slots_by_slot_number($this->quizslots);

        $slotnumber = 5;

        $thisslot = $this->repaginate->get_this_slot($this->quizslots, $slotnumber);

        $this->assertEquals($slotsbyno[$slotnumber], $thisslot);

    }

    public function test_get_slots_by_slotnumber(): void {

        $this->set_quiz_slots();

        $expected = [];

        $actual = $this->repaginate->get_slots_by_slot_number();

        $this->assertEquals($expected, $actual);

        foreach ($this->quizslots as $slot) {

            $expected[$slot->slot] = $slot;

        }

        $actual = $this->repaginate->get_slots_by_slot_number($this->quizslots);

        $this->assertEquals($expected, $actual);

    }

    public function test_get_slots_by_slotid(): void {

        $this->set_quiz_slots();

        $actual = $this->repaginate->get_slots_by_slotid();

        $this->assertEquals([], $actual);

        $slotsbyno = $this->repaginate->get_slots_by_slot_number($this->quizslots);

        $actual = $this->repaginate->get_slots_by_slotid($slotsbyno);

        $this->assertEquals($this->quizslots, $actual);

    }

    public function test_repaginate_n_questions_per_page(): void {

        $this->set_quiz_slots();

        // Expect 2 questions per page.

        $expected = [];

        foreach ($this->quizslots as $slot) {

            // Page 1 contains Slots 1 and 2.

            if ($slot->slot >= 1 && $slot->slot <= 2) {

                $slot->page = 1;

            }

            // Page 2 contains slots 3 and 4.

            if ($slot->slot >= 3 && $slot->slot <= 4) {

                $slot->page = 2;

            }

            // Page 3 contains slots 5.

            if ($slot->slot >= 5 && $slot->slot <= 6) {

                $slot->page = 3;

            }

            $expected[$slot->id] = $slot;

        }

        $actual = $this->repaginate->repaginate_n_question_per_page($this->quizslots, 2);

        $this->assertEquals($expected, $actual);

        // Expect 3 questions per page.

        $expected = [];

        foreach ($this->quizslots as $slot) {

            // Page 1 contains Slots 1, 2 and 3.

            if ($slot->slot >= 1 && $slot->slot <= 3) {

                $slot->page = 1;

            }

            // Page 2 contains slots 4 and 5.

            if ($slot->slot >= 4 && $slot->slot <= 6) {

                $slot->page = 2;

            }

            $expected[$slot->id] = $slot;

        }

        $actual = $this->repaginate->repaginate_n_question_per_page($this->quizslots, 3);

        $this->assertEquals($expected, $actual);

        // Expect 5 questions per page.

        $expected = [];

        foreach ($this->quizslots as $slot) {

            // Page 1 contains Slots 1, 2, 3, 4 and 5.

            if ($slot->slot > 0 && $slot->slot < 6) {

                $slot->page = 1;

            }

            // Page 2 contains slots 6, 7, 8, 9 and 10.

            if ($slot->slot > 5 && $slot->slot < 11) {

                $slot->page = 2;

            }

            $expected[$slot->id] = $slot;

        }

        $actual = $this->repaginate->repaginate_n_question_per_page($this->quizslots, 5);

        $this->assertEquals($expected, $actual);

        // Expect 10 questions per page.

        $expected = [];

        foreach ($this->quizslots as $slot) {

            // Page 1 contains Slots 1 to 10.

            if ($slot->slot >= 1 && $slot->slot <= 10) {

                $slot->page = 1;

            }

            // Page 2 contains slots 11 to 20.

            if ($slot->slot >= 11 && $slot->slot <= 20) {

                $slot->page = 2;

            }

            $expected[$slot->id] = $slot;

        }

        $actual = $this->repaginate->repaginate_n_question_per_page($this->quizslots, 10);

        $this->assertEquals($expected, $actual);

        // Expect 1 questions per page.

        $expected = [];

        $page = 1;

        foreach ($this->quizslots as $slot) {

            $slot->page = $page++;

            $expected[$slot->id] = $slot;

        }

        $actual = $this->repaginate->repaginate_n_question_per_page($this->quizslots, 1);

        $this->assertEquals($expected, $actual);

    }

    public function test_repaginate_this_slot(): void {

        $this->set_quiz_slots();

        $slotsbyslotno = $this->repaginate->get_slots_by_slot_number($this->quizslots);

        $slotnumber = 3;

        $newpagenumber = 2;

        $thisslot = $slotsbyslotno[3];

        $thisslot->page = $newpagenumber;

        $expected = $thisslot;

        $actual = $this->repaginate->repaginate_this_slot($slotsbyslotno[3], $newpagenumber);

        $this->assertEquals($expected, $actual);

    }

    public function test_repaginate_the_rest(): void {

        $this->set_quiz_slots();

        $slotfrom = 1;

        $type = repaginate::LINK;

        $expected = [];

        foreach ($this->quizslots as $slot) {

            if ($slot->slot > $slotfrom) {

                $slot->page = $slot->page - 1;

                $expected[$slot->id] = $slot;

            }

        }

        $actual = $this->repaginate->repaginate_the_rest($this->quizslots, $slotfrom, $type, false);

        $this->assertEquals($expected, $actual);

        $slotfrom = 2;

        $newslots = [];

        foreach ($this->quizslots as $s) {

            if ($s->slot === $slotfrom) {

                $s->page = $s->page - 1;

            }

            $newslots[$s->id] = $s;

        }

        $type = repaginate::UNLINK;

        $expected = [];

        foreach ($this->quizslots as $slot) {

            if ($slot->slot > ($slotfrom - 1)) {

                $slot->page = $slot->page - 1;

                $expected[$slot->id] = $slot;

            }

        }

        $actual = $this->repaginate->repaginate_the_rest($newslots, $slotfrom, $type, false);

        $this->assertEquals($expected, $actual);

    }

}