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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/>.
/**
* 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
*/
defined('MOODLE_INTERNAL') || die();
global $CFG;
require_once($CFG->dirroot . '/mod/quiz/locallib.php');
require_once($CFG->dirroot . '/mod/quiz/classes/repaginate.php');
/**
* Testable subclass, giving access to the protected methods of {@link \mod_quiz\repaginate}
* @copyright 2014 The Open Univsersity
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class mod_quiz_repaginate_testable extends \mod_quiz\repaginate {
public function __construct($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 mod_quiz_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() {
$this->set_quiz_slots($this->get_quiz_object()->get_slots());
$this->repaginate = new mod_quiz_repaginate_testable(0, $this->quizslots);
}
public function tearDown() {
$this->repaginate = null;
}
/**
* 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(array(
'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, array('category' => $cat->id));
$numerical = $questiongenerator->create_question('numerical', null, array('category' => $cat->id));
$essay = $questiongenerator->create_question('essay', null, array('category' => $cat->id));
$truefalse = $questiongenerator->create_question('truefalse', null, array('category' => $cat->id));
$match = $questiongenerator->create_question('match', null, array('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.
$quizobj = new quiz($quiz, $cm, $SITE);
return \mod_quiz\structure::create_for_quiz($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() {
$this->set_quiz_slots();
$actual = array();
$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() {
$this->set_quiz_slots();
$expected = array();
$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() {
$this->set_quiz_slots();
$actual = $this->repaginate->get_slots_by_slotid();
$this->assertEquals(array(), $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() {
$this->set_quiz_slots();
// Expect 2 questions per page.
$expected = array();
foreach ($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.
$expected = array();
foreach ($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.
$expected = array();
foreach ($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.
$expected = array();
foreach ($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 = array();
$page = 1;
foreach ($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() {
$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() {
$this->set_quiz_slots();
$slotfrom = 1;
$type = \mod_quiz\repaginate::LINK;
$expected = array();
foreach ($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;
$newslots = array();
foreach ($this->quizslots as $s) {
if ($s->slot === $slotfrom) {
$s->page = $s->page - 1;
}
$newslots[$s->id] = $s;
}
$type = \mod_quiz\repaginate::UNLINK;
$expected = array();
foreach ($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);
}
}