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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/>.
/**
* Quiz events tests.
*
* @package mod_quiz
* @category test
* @copyright 2013 Adrian Greeve
* @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/attemptlib.php');
/**
* Unit tests for quiz events.
*
* @copyright 2013 Adrian Greeve
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class mod_quiz_structure_testcase extends advanced_testcase {
/**
* Create a course with an empty quiz.
* @return array with three elements quiz, cm and course.
*/
protected function prepare_quiz_data() {
$this->resetAfterTest(true);
// Create a course.
$course = $this->getDataGenerator()->create_course();
// Make a quiz.
$quizgenerator = $this->getDataGenerator()->get_plugin_generator('mod_quiz');
$quiz = $quizgenerator->create_instance(array('course' => $course->id, 'questionsperpage' => 0,
'grade' => 100.0, 'sumgrades' => 2, 'preferredbehaviour' => 'immediatefeedback'));
$cm = get_coursemodule_from_instance('quiz', $quiz->id, $course->id);
return array($quiz, $cm, $course);
}
/**
* Creat a test quiz.
*
* $layout looks like this:
* $layout = array(
* 'Heading 1'
* array('TF1', 1, 'truefalse'),
* 'Heading 2*'
* array('TF2', 2, 'truefalse'),
* );
* That is, either a string, which represents a section heading,
* or an array that represents a question.
*
* If the section heading ends with *, that section is shuffled.
*
* The elements in the question array are name, page number, and question type.
*
* @param array $layout as above.
* @return quiz the created quiz.
*/
protected function create_test_quiz($layout) {
list($quiz, $cm, $course) = $this->prepare_quiz_data();
$questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
$cat = $questiongenerator->create_question_category();
$headings = array();
$slot = 1;
$lastpage = 0;
foreach ($layout as $item) {
if (is_string($item)) {
if (isset($headings[$lastpage + 1])) {
throw new coding_exception('Sections cannot be empty.');
}
$headings[$lastpage + 1] = $item;
} else {
list($name, $page, $qtype) = $item;
if ($page < 1 || !($page == $lastpage + 1 ||
(!isset($headings[$lastpage + 1]) && $page == $lastpage))) {
throw new coding_exception('Page numbers wrong.');
}
$q = $questiongenerator->create_question($qtype, null,
array('name' => $name, 'category' => $cat->id));
quiz_add_quiz_question($q->id, $quiz, $page);
$lastpage = $page;
}
}
$quizobj = new quiz($quiz, $cm, $course);
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
if (isset($headings[1])) {
list($heading, $shuffle) = $this->parse_section_name($headings[1]);
$sections = $structure->get_sections();
$firstsection = reset($sections);
$structure->set_section_heading($firstsection->id, $heading);
$structure->set_section_shuffle($firstsection->id, $shuffle);
unset($headings[1]);
}
foreach ($headings as $startpage => $heading) {
list($heading, $shuffle) = $this->parse_section_name($heading);
$id = $structure->add_section_heading($startpage, $heading);
$structure->set_section_shuffle($id, $shuffle);
}
return $quizobj;
}
/**
* Verify that the given layout matches that expected.
* @param array $expectedlayout as for $layout in {@link create_test_quiz()}.
* @param \mod_quiz\structure $structure the structure to test.
*/
protected function assert_quiz_layout($expectedlayout, \mod_quiz\structure $structure) {
$sections = $structure->get_sections();
$slot = 1;
foreach ($expectedlayout as $item) {
if (is_string($item)) {
list($heading, $shuffle) = $this->parse_section_name($item);
$section = array_shift($sections);
if ($slot > 1 && $section->heading == '' && $section->firstslot == 1) {
// The array $expectedlayout did not contain default first quiz section, so skip over it.
$section = array_shift($sections);
}
$this->assertEquals($slot, $section->firstslot);
$this->assertEquals($heading, $section->heading);
$this->assertEquals($shuffle, $section->shufflequestions);
} else {
list($name, $page, $qtype) = $item;
$question = $structure->get_question_in_slot($slot);
$this->assertEquals($name, $question->name);
$this->assertEquals($slot, $question->slot, 'Slot number wrong for question ' . $name);
$this->assertEquals($qtype, $question->qtype, 'Question type wrong for question ' . $name);
$this->assertEquals($page, $question->page, 'Page number wrong for question ' . $name);
$slot += 1;
}
}
if ($slot - 1 != count($structure->get_slots())) {
$this->fail('The quiz contains more slots than expected.');
}
if (!empty($sections)) {
$section = array_shift($sections);
if ($section->heading != '' || $section->firstslot != 1) {
$this->fail('Unexpected section (' . $section->heading .') found in the quiz.');
}
}
}
/**
* Parse the section name, optionally followed by a * to mean shuffle, as
* used by create_test_quiz as assert_quiz_layout.
* @param string $heading the heading.
* @return array with two elements, the heading and the shuffle setting.
*/
protected function parse_section_name($heading) {
if (substr($heading, -1) == '*') {
return array(substr($heading, 0, -1), 1);
} else {
return array($heading, 0);
}
}
public function test_get_quiz_slots() {
$quizobj = $this->create_test_quiz(array(
array('TF1', 1, 'truefalse'),
array('TF2', 1, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
// Are the correct slots returned?
$slots = $structure->get_slots();
$this->assertCount(2, $structure->get_slots());
}
public function test_quiz_has_one_section_by_default() {
$quizobj = $this->create_test_quiz(array(
array('TF1', 1, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$sections = $structure->get_sections();
$this->assertCount(1, $sections);
$section = array_shift($sections);
$this->assertEquals(1, $section->firstslot);
$this->assertEquals('', $section->heading);
$this->assertEquals(0, $section->shufflequestions);
}
public function test_get_sections() {
$quizobj = $this->create_test_quiz(array(
'Heading 1*',
array('TF1', 1, 'truefalse'),
'Heading 2*',
array('TF2', 2, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$sections = $structure->get_sections();
$this->assertCount(2, $sections);
$section = array_shift($sections);
$this->assertEquals(1, $section->firstslot);
$this->assertEquals('Heading 1', $section->heading);
$this->assertEquals(1, $section->shufflequestions);
$section = array_shift($sections);
$this->assertEquals(2, $section->firstslot);
$this->assertEquals('Heading 2', $section->heading);
$this->assertEquals(1, $section->shufflequestions);
}
public function test_remove_section_heading() {
$quizobj = $this->create_test_quiz(array(
'Heading 1',
array('TF1', 1, 'truefalse'),
'Heading 2',
array('TF2', 2, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$sections = $structure->get_sections();
$section = end($sections);
$structure->remove_section_heading($section->id);
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
'Heading 1',
array('TF1', 1, 'truefalse'),
array('TF2', 2, 'truefalse'),
), $structure);
}
/**
* @expectedException coding_exception
*/
public function test_cannot_remove_first_section() {
$quizobj = $this->create_test_quiz(array(
'Heading 1',
array('TF1', 1, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$sections = $structure->get_sections();
$section = reset($sections);
$structure->remove_section_heading($section->id);
}
public function test_move_slot_to_the_same_place_does_nothing() {
$quizobj = $this->create_test_quiz(array(
array('TF1', 1, 'truefalse'),
array('TF2', 1, 'truefalse'),
array('TF3', 2, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$idtomove = $structure->get_question_in_slot(2)->slotid;
$idmoveafter = $structure->get_question_in_slot(1)->slotid;
$structure->move_slot($idtomove, $idmoveafter, '1');
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
array('TF1', 1, 'truefalse'),
array('TF2', 1, 'truefalse'),
array('TF3', 2, 'truefalse'),
), $structure);
}
public function test_move_slot_end_of_one_page_to_start_of_next() {
$quizobj = $this->create_test_quiz(array(
array('TF1', 1, 'truefalse'),
array('TF2', 1, 'truefalse'),
array('TF3', 2, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$idtomove = $structure->get_question_in_slot(2)->slotid;
$idmoveafter = $structure->get_question_in_slot(2)->slotid;
$structure->move_slot($idtomove, $idmoveafter, '2');
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
array('TF1', 1, 'truefalse'),
array('TF2', 2, 'truefalse'),
array('TF3', 2, 'truefalse'),
), $structure);
}
public function test_move_last_slot_to_previous_page_emptying_the_last_page() {
$quizobj = $this->create_test_quiz(array(
array('TF1', 1, 'truefalse'),
array('TF2', 2, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$idtomove = $structure->get_question_in_slot(2)->slotid;
$idmoveafter = $structure->get_question_in_slot(1)->slotid;
$structure->move_slot($idtomove, $idmoveafter, '1');
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
array('TF1', 1, 'truefalse'),
array('TF2', 1, 'truefalse'),
), $structure);
}
public function test_end_of_one_section_to_start_of_next() {
$quizobj = $this->create_test_quiz(array(
array('TF1', 1, 'truefalse'),
array('TF2', 1, 'truefalse'),
'Heading',
array('TF3', 2, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$idtomove = $structure->get_question_in_slot(2)->slotid;
$idmoveafter = $structure->get_question_in_slot(2)->slotid;
$structure->move_slot($idtomove, $idmoveafter, '2');
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
array('TF1', 1, 'truefalse'),
'Heading',
array('TF2', 2, 'truefalse'),
array('TF3', 2, 'truefalse'),
), $structure);
}
public function test_start_of_one_section_to_end_of_previous() {
$quizobj = $this->create_test_quiz(array(
array('TF1', 1, 'truefalse'),
'Heading',
array('TF2', 2, 'truefalse'),
array('TF3', 2, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$idtomove = $structure->get_question_in_slot(2)->slotid;
$idmoveafter = $structure->get_question_in_slot(1)->slotid;
$structure->move_slot($idtomove, $idmoveafter, '1');
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
array('TF1', 1, 'truefalse'),
array('TF2', 1, 'truefalse'),
'Heading',
array('TF3', 2, 'truefalse'),
), $structure);
}
public function test_move_slot_on_same_page() {
$quizobj = $this->create_test_quiz(array(
array('TF1', 1, 'truefalse'),
array('TF2', 1, 'truefalse'),
array('TF3', 1, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$idtomove = $structure->get_question_in_slot(2)->slotid;
$idmoveafter = $structure->get_question_in_slot(3)->slotid;
$structure->move_slot($idtomove, $idmoveafter, '1');
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
array('TF1', 1, 'truefalse'),
array('TF3', 1, 'truefalse'),
array('TF2', 1, 'truefalse'),
), $structure);
}
public function test_move_slot_up_onto_previous_page() {
$quizobj = $this->create_test_quiz(array(
array('TF1', 1, 'truefalse'),
array('TF2', 2, 'truefalse'),
array('TF3', 2, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$idtomove = $structure->get_question_in_slot(3)->slotid;
$idmoveafter = $structure->get_question_in_slot(1)->slotid;
$structure->move_slot($idtomove, $idmoveafter, '1');
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
array('TF1', 1, 'truefalse'),
array('TF3', 1, 'truefalse'),
array('TF2', 2, 'truefalse'),
), $structure);
}
public function test_move_slot_emptying_a_page_renumbers_pages() {
$quizobj = $this->create_test_quiz(array(
array('TF1', 1, 'truefalse'),
array('TF2', 2, 'truefalse'),
array('TF3', 3, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$idtomove = $structure->get_question_in_slot(2)->slotid;
$idmoveafter = $structure->get_question_in_slot(3)->slotid;
$structure->move_slot($idtomove, $idmoveafter, '3');
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
array('TF1', 1, 'truefalse'),
array('TF3', 2, 'truefalse'),
array('TF2', 2, 'truefalse'),
), $structure);
}
/**
* @expectedException coding_exception
*/
public function test_move_slot_too_small_page_number_detected() {
$quizobj = $this->create_test_quiz(array(
array('TF1', 1, 'truefalse'),
array('TF2', 2, 'truefalse'),
array('TF3', 3, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$idtomove = $structure->get_question_in_slot(3)->slotid;
$idmoveafter = $structure->get_question_in_slot(2)->slotid;
$structure->move_slot($idtomove, $idmoveafter, '1');
}
/**
* @expectedException coding_exception
*/
public function test_move_slot_too_large_page_number_detected() {
$quizobj = $this->create_test_quiz(array(
array('TF1', 1, 'truefalse'),
array('TF2', 2, 'truefalse'),
array('TF3', 3, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$idtomove = $structure->get_question_in_slot(1)->slotid;
$idmoveafter = $structure->get_question_in_slot(2)->slotid;
$structure->move_slot($idtomove, $idmoveafter, '4');
}
public function test_move_slot_within_section() {
$quizobj = $this->create_test_quiz(array(
'Heading 1',
array('TF1', 1, 'truefalse'),
array('TF2', 1, 'truefalse'),
'Heading 2',
array('TF3', 2, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$idtomove = $structure->get_question_in_slot(1)->slotid;
$idmoveafter = $structure->get_question_in_slot(2)->slotid;
$structure->move_slot($idtomove, $idmoveafter, '1');
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
'Heading 1',
array('TF2', 1, 'truefalse'),
array('TF1', 1, 'truefalse'),
'Heading 2',
array('TF3', 2, 'truefalse'),
), $structure);
}
public function test_move_slot_to_new_section() {
$quizobj = $this->create_test_quiz(array(
'Heading 1',
array('TF1', 1, 'truefalse'),
array('TF2', 1, 'truefalse'),
'Heading 2',
array('TF3', 2, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$idtomove = $structure->get_question_in_slot(2)->slotid;
$idmoveafter = $structure->get_question_in_slot(3)->slotid;
$structure->move_slot($idtomove, $idmoveafter, '2');
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
'Heading 1',
array('TF1', 1, 'truefalse'),
'Heading 2',
array('TF3', 2, 'truefalse'),
array('TF2', 2, 'truefalse'),
), $structure);
}
public function test_move_slot_to_start() {
$quizobj = $this->create_test_quiz(array(
'Heading 1',
array('TF1', 1, 'truefalse'),
'Heading 2',
array('TF2', 2, 'truefalse'),
array('TF3', 2, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$idtomove = $structure->get_question_in_slot(3)->slotid;
$structure->move_slot($idtomove, 0, '1');
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
'Heading 1',
array('TF3', 1, 'truefalse'),
array('TF1', 1, 'truefalse'),
'Heading 2',
array('TF2', 2, 'truefalse'),
), $structure);
}
public function test_move_slot_down_to_start_of_second_section() {
$quizobj = $this->create_test_quiz(array(
'Heading 1',
array('TF1', 1, 'truefalse'),
array('TF2', 1, 'truefalse'),
'Heading 2',
array('TF3', 2, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$idtomove = $structure->get_question_in_slot(2)->slotid;
$idmoveafter = $structure->get_question_in_slot(2)->slotid;
$structure->move_slot($idtomove, $idmoveafter, '2');
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
'Heading 1',
array('TF1', 1, 'truefalse'),
'Heading 2',
array('TF2', 2, 'truefalse'),
array('TF3', 2, 'truefalse'),
), $structure);
}
public function test_move_first_slot_down_to_start_of_page_2() {
$quizobj = $this->create_test_quiz(array(
'Heading 1',
array('TF1', 1, 'truefalse'),
array('TF2', 2, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$idtomove = $structure->get_question_in_slot(1)->slotid;
$structure->move_slot($idtomove, 0, '2');
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
'Heading 1',
array('TF1', 1, 'truefalse'),
array('TF2', 1, 'truefalse'),
), $structure);
}
public function test_move_first_slot_to_same_place_on_page_1() {
$quizobj = $this->create_test_quiz(array(
'Heading 1',
array('TF1', 1, 'truefalse'),
array('TF2', 2, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$idtomove = $structure->get_question_in_slot(1)->slotid;
$structure->move_slot($idtomove, 0, '1');
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
'Heading 1',
array('TF1', 1, 'truefalse'),
array('TF2', 2, 'truefalse'),
), $structure);
}
public function test_move_first_slot_to_before_page_1() {
$quizobj = $this->create_test_quiz(array(
'Heading 1',
array('TF1', 1, 'truefalse'),
array('TF2', 2, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$idtomove = $structure->get_question_in_slot(1)->slotid;
$structure->move_slot($idtomove, 0, '');
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
'Heading 1',
array('TF1', 1, 'truefalse'),
array('TF2', 2, 'truefalse'),
), $structure);
}
public function test_move_slot_up_to_start_of_second_section() {
$quizobj = $this->create_test_quiz(array(
'Heading 1',
array('TF1', 1, 'truefalse'),
'Heading 2',
array('TF2', 2, 'truefalse'),
'Heading 3',
array('TF3', 3, 'truefalse'),
array('TF4', 3, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$idtomove = $structure->get_question_in_slot(3)->slotid;
$idmoveafter = $structure->get_question_in_slot(1)->slotid;
$structure->move_slot($idtomove, $idmoveafter, '2');
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
'Heading 1',
array('TF1', 1, 'truefalse'),
'Heading 2',
array('TF3', 2, 'truefalse'),
array('TF2', 2, 'truefalse'),
'Heading 3',
array('TF4', 3, 'truefalse'),
), $structure);
}
public function test_move_slot_does_not_violate_heading_unique_key() {
$quizobj = $this->create_test_quiz(array(
'Heading 1',
array('TF1', 1, 'truefalse'),
'Heading 2',
array('TF2', 2, 'truefalse'),
'Heading 3',
array('TF3', 3, 'truefalse'),
array('TF4', 3, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$idtomove = $structure->get_question_in_slot(4)->slotid;
$idmoveafter = $structure->get_question_in_slot(1)->slotid;
$structure->move_slot($idtomove, $idmoveafter, 1);
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
'Heading 1',
array('TF1', 1, 'truefalse'),
array('TF4', 1, 'truefalse'),
'Heading 2',
array('TF2', 2, 'truefalse'),
'Heading 3',
array('TF3', 3, 'truefalse'),
), $structure);
}
public function test_quiz_remove_slot() {
$quizobj = $this->create_test_quiz(array(
array('TF1', 1, 'truefalse'),
array('TF2', 1, 'truefalse'),
'Heading 2',
array('TF3', 2, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$structure->remove_slot(2);
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
array('TF1', 1, 'truefalse'),
'Heading 2',
array('TF3', 2, 'truefalse'),
), $structure);
}
public function test_quiz_removing_a_random_question_deletes_the_question() {
global $DB;
$this->resetAfterTest(true);
$this->setAdminUser();
$quizobj = $this->create_test_quiz(array(
array('TF1', 1, 'truefalse'),
));
$questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
$cat = $questiongenerator->create_question_category();
quiz_add_random_questions($quizobj->get_quiz(), 1, $cat->id, 1, false);
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$randomq = $DB->get_record('question', array('qtype' => 'random'));
$structure->remove_slot(2);
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
array('TF1', 1, 'truefalse'),
), $structure);
$this->assertFalse($DB->record_exists('question', array('id' => $randomq->id)));
}
/**
* Unit test to make sue it is not possible to remove all slots in a section at once.
*
* @expectedException coding_exception
*/
public function test_cannot_remove_all_slots_in_a_section() {
$quizobj = $this->create_test_quiz(array(
array('TF1', 1, 'truefalse'),
array('TF2', 1, 'truefalse'),
'Heading 2',
array('TF3', 2, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$structure->remove_slot(1);
$structure->remove_slot(2);
}
/**
* @expectedException coding_exception
*/
public function test_cannot_remove_last_slot_in_a_section() {
$quizobj = $this->create_test_quiz(array(
array('TF1', 1, 'truefalse'),
array('TF2', 1, 'truefalse'),
'Heading 2',
array('TF3', 2, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$structure->remove_slot(3);
}
public function test_can_remove_last_question_in_a_quiz() {
$quizobj = $this->create_test_quiz(array(
'Heading 1',
array('TF1', 1, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$structure->remove_slot(1);
$questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
$cat = $questiongenerator->create_question_category();
$q = $questiongenerator->create_question('truefalse', null,
array('name' => 'TF2', 'category' => $cat->id));
quiz_add_quiz_question($q->id, $quizobj->get_quiz(), 0);
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
'Heading 1',
array('TF2', 1, 'truefalse'),
), $structure);
}
public function test_add_question_updates_headings() {
$quizobj = $this->create_test_quiz(array(
array('TF1', 1, 'truefalse'),
'Heading 2',
array('TF2', 2, 'truefalse'),
));
$questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
$cat = $questiongenerator->create_question_category();
$q = $questiongenerator->create_question('truefalse', null,
array('name' => 'TF3', 'category' => $cat->id));
quiz_add_quiz_question($q->id, $quizobj->get_quiz(), 1);
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
array('TF1', 1, 'truefalse'),
array('TF3', 1, 'truefalse'),
'Heading 2',
array('TF2', 2, 'truefalse'),
), $structure);
}
public function test_add_question_updates_headings_even_with_one_question_sections() {
$quizobj = $this->create_test_quiz(array(
'Heading 1',
array('TF1', 1, 'truefalse'),
'Heading 2',
array('TF2', 2, 'truefalse'),
'Heading 3',
array('TF3', 3, 'truefalse'),
));
$questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
$cat = $questiongenerator->create_question_category();
$q = $questiongenerator->create_question('truefalse', null,
array('name' => 'TF4', 'category' => $cat->id));
quiz_add_quiz_question($q->id, $quizobj->get_quiz(), 1);
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
'Heading 1',
array('TF1', 1, 'truefalse'),
array('TF4', 1, 'truefalse'),
'Heading 2',
array('TF2', 2, 'truefalse'),
'Heading 3',
array('TF3', 3, 'truefalse'),
), $structure);
}
public function test_add_question_at_end_does_not_update_headings() {
$quizobj = $this->create_test_quiz(array(
array('TF1', 1, 'truefalse'),
'Heading 2',
array('TF2', 2, 'truefalse'),
));
$questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
$cat = $questiongenerator->create_question_category();
$q = $questiongenerator->create_question('truefalse', null,
array('name' => 'TF3', 'category' => $cat->id));
quiz_add_quiz_question($q->id, $quizobj->get_quiz(), 0);
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
array('TF1', 1, 'truefalse'),
'Heading 2',
array('TF2', 2, 'truefalse'),
array('TF3', 2, 'truefalse'),
), $structure);
}
public function test_remove_page_break() {
$quizobj = $this->create_test_quiz(array(
array('TF1', 1, 'truefalse'),
array('TF2', 2, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$slotid = $structure->get_question_in_slot(2)->slotid;
$slots = $structure->update_page_break($slotid, \mod_quiz\repaginate::LINK);
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
array('TF1', 1, 'truefalse'),
array('TF2', 1, 'truefalse'),
), $structure);
}
public function test_add_page_break() {
$quizobj = $this->create_test_quiz(array(
array('TF1', 1, 'truefalse'),
array('TF2', 1, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$slotid = $structure->get_question_in_slot(2)->slotid;
$slots = $structure->update_page_break($slotid, \mod_quiz\repaginate::UNLINK);
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array(
array('TF1', 1, 'truefalse'),
array('TF2', 2, 'truefalse'),
), $structure);
}
public function test_update_question_dependency() {
$quizobj = $this->create_test_quiz(array(
array('TF1', 1, 'truefalse'),
array('TF2', 1, 'truefalse'),
));
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
// Test adding a dependency.
$slotid = $structure->get_slot_id_for_slot(2);
$structure->update_question_dependency($slotid, true);
// Having called update page break, we need to reload $structure.
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assertEquals(1, $structure->is_question_dependent_on_previous_slot(2));
// Test removing a dependency.
$structure->update_question_dependency($slotid, false);
// Having called update page break, we need to reload $structure.
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assertEquals(0, $structure->is_question_dependent_on_previous_slot(2));
}
/**
* Data provider for the get_slot_tags_for_slot test.
*/
public function get_slot_tags_for_slot_test_cases() {
return [
'incorrect slot id' => [
'layout' => [
['TF1', 1, 'truefalse'],
['TF2', 1, 'truefalse'],
['TF3', 1, 'truefalse']
],
'tagnames' => [
['foo'],
['bar'],
['baz']
],
'slotnumber' => null,
'expected' => []
],
'no tags' => [
'layout' => [
['TF1', 1, 'truefalse'],
['TF2', 1, 'truefalse'],
['TF3', 1, 'truefalse']
],
'tagnames' => [
['foo'],
[],
['baz']
],
'slotnumber' => 2,
'expected' => []
],
'one tag 1' => [
'layout' => [
['TF1', 1, 'truefalse'],
['TF2', 1, 'truefalse'],
['TF3', 1, 'truefalse']
],
'tagnames' => [
['foo'],
['bar'],
['baz']
],
'slotnumber' => 1,
'expected' => ['foo']
],
'one tag 2' => [
'layout' => [
['TF1', 1, 'truefalse'],
['TF2', 1, 'truefalse'],
['TF3', 1, 'truefalse']
],
'tagnames' => [
['foo'],
['bar'],
['baz']
],
'slotnumber' => 2,
'expected' => ['bar']
],
'multiple tags 1' => [
'layout' => [
['TF1', 1, 'truefalse'],
['TF2', 1, 'truefalse'],
['TF3', 1, 'truefalse']
],
'tagnames' => [
['foo', 'bar'],
['bar'],
['baz']
],
'slotnumber' => 1,
'expected' => ['foo', 'bar']
],
'multiple tags 2' => [
'layout' => [
['TF1', 1, 'truefalse'],
['TF2', 1, 'truefalse'],
['TF3', 1, 'truefalse']
],
'tagnames' => [
['foo', 'bar'],
['bar', 'baz'],
['baz']
],
'slotnumber' => 2,
'expected' => ['bar', 'baz']
]
];
}
/**
* @dataProvider get_slot_tags_for_slot_test_cases()
* @param array $layout Quiz layout for create_test_quiz function
* @param array $tagnames Tags to create for each question slot
* @param int $slotnumber The slot number to select tags from
* @param string[] $expected The tags expected for the given $slotnumber
*/
public function test_get_slot_tags_for_slot($layout, $tagnames, $slotnumber, $expected) {
global $DB;
$this->resetAfterTest();
$quiz = $this->create_test_quiz($layout);
$structure = \mod_quiz\structure::create_for_quiz($quiz);
$collid = core_tag_area::get_collection('core', 'question');
$slottagrecords = [];
if (is_null($slotnumber)) {
// Null slot number means to create a non-existent slot id.
$slot = $structure->get_last_slot();
$slotid = $slot->id + 100;
} else {
$slot = $structure->get_slot_by_number($slotnumber);
$slotid = $slot->id;
}
foreach ($tagnames as $index => $slottagnames) {
$tagslotnumber = $index + 1;
$tagslotid = $structure->get_slot_id_for_slot($tagslotnumber);
$tags = core_tag_tag::create_if_missing($collid, $slottagnames);
$records = array_map(function($tag) use ($tagslotid) {
return (object) [
'slotid' => $tagslotid,
'tagid' => $tag->id,
'tagname' => $tag->name
];
}, array_values($tags));
$slottagrecords = array_merge($slottagrecords, $records);
}
$DB->insert_records('quiz_slot_tags', $slottagrecords);
$actualslottags = $structure->get_slot_tags_for_slot_id($slotid);
$actual = array_map(function($slottag) {
return $slottag->tagname;
}, $actualslottags);
sort($expected);
sort($actual);
$this->assertEquals($expected, $actual);
}
/**
* Test for can_add_random_questions.
*/
public function test_can_add_random_questions() {
$this->resetAfterTest();
$quiz = $this->create_test_quiz([]);
$course = $quiz->get_course();
$generator = $this->getDataGenerator();
$teacher = $generator->create_and_enrol($course, 'editingteacher');
$noneditingteacher = $generator->create_and_enrol($course, 'teacher');
$this->setUser($teacher);
$structure = \mod_quiz\structure::create_for_quiz($quiz);
$this->assertTrue($structure->can_add_random_questions());
$this->setUser($noneditingteacher);
$structure = \mod_quiz\structure::create_for_quiz($quiz);
$this->assertFalse($structure->can_add_random_questions());
}
}