/**
* Get an instance of the {@link \mod_quiz\structure} class for this quiz.
* @return \mod_quiz\structure describes the questions in the quiz.
*/
public function get_structure()
{
return \mod_quiz\structure::create_for_quiz($this);
}
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, $structure->is_question_dependent_on_previous_slot(2));
}
/**
* Test updating pagebreaks in the quiz.
*/
public function test_update_question_dependency()
{
// Create a test quiz with 8 questions.
list($quiz, $cm, $course) = $this->prepare_quiz_data();
$this->add_eight_questions_to_the_quiz($quiz);
$quizobj = new quiz($quiz, $cm, $course);
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
// Store the original order of slots, so we can assert what has changed.
$originalslotids = array();
foreach ($structure->get_slots() as $slot) {
$originalslotids[$slot->slot] = $slot->id;
}
// Test adding a dependency.
$slotid = $structure->get_slot_id_for_slot(3);
$structure->update_question_dependency($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(3));
// 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, $structure->is_question_dependent_on_previous_slot(3));
}
/**
* Test updating pagebreaks in the quiz.
*/
public function test_update_page_break()
{
// Create a test quiz with 8 questions.
list($quiz, $cm, $course) = $this->prepare_quiz_data();
$this->add_eight_questions_to_the_quiz($quiz);
$quizobj = new quiz($quiz, $cm, $course);
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
// Store the original order of slots, so we can assert what has changed.
$originalslotids = array();
foreach ($structure->get_slots() as $slot) {
$originalslotids[$slot->slot] = $slot->id;
}
// Test removing a page break.
$slotid = $structure->get_question_in_slot(2)->slotid;
$type = \mod_quiz\repaginate::LINK;
$slots = $structure->update_page_break($quiz, $slotid, $type);
// Having called update page break, we need to reload $structure.
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array($originalslotids[1] => 1, $originalslotids[2] => 1, $originalslotids[3] => 1, $originalslotids[4] => 1, $originalslotids[5] => 1, $originalslotids[6] => 1, $originalslotids[7] => 2, $originalslotids[8] => 3), $structure);
// Test adding a page break.
$slotid = $structure->get_question_in_slot(2)->slotid;
$type = \mod_quiz\repaginate::UNLINK;
$slots = $structure->update_page_break($quiz, $slotid, $type);
// Having called update page break, we need to reload $structure.
$structure = \mod_quiz\structure::create_for_quiz($quizobj);
$this->assert_quiz_layout(array($originalslotids[1] => 1, $originalslotids[2] => 2, $originalslotids[3] => 2, $originalslotids[4] => 2, $originalslotids[5] => 2, $originalslotids[6] => 2, $originalslotids[7] => 3, $originalslotids[8] => 4), $structure);
}
/**
* 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);
}
