/**
* 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));
// 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, $quiz);
// Return the quiz object.
return \mod_quiz\structure::create_for($quiz);
}
/**
* Test removing slots from a quiz.
*/
public function test_quiz_remove_slot() {
global $SITE, $DB;
$this->resetAfterTest(true);
$this->setAdminUser();
// Setup a quiz with 1 standard and 1 random question.
$quizgenerator = $this->getDataGenerator()->get_plugin_generator('mod_quiz');
$quiz = $quizgenerator->create_instance(array('course' => $SITE->id, 'questionsperpage' => 3, 'grade' => 100.0));
$questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
$cat = $questiongenerator->create_question_category();
$standardq = $questiongenerator->create_question('shortanswer', null, array('category' => $cat->id));
quiz_add_quiz_question($standardq->id, $quiz);
quiz_add_random_questions($quiz, 0, $cat->id, 1, false);
// Get the random question.
$randomq = $DB->get_record('question', array('qtype' => 'random'));
$structure = \mod_quiz\structure::create_for($quiz);
// Check that the setup looks right.
$this->assertEquals(2, $structure->get_question_count());
$this->assertEquals($standardq->id, $structure->get_question_in_slot(1)->questionid);
$this->assertEquals($randomq->id, $structure->get_question_in_slot(2)->questionid);
// Remove the standard question.
$structure->remove_slot($quiz, 1);
$alteredstructure = \mod_quiz\structure::create_for($quiz);
// Check the new ordering, and that the slot number was updated.
$this->assertEquals(1, $alteredstructure->get_question_count());
$this->assertEquals($randomq->id, $alteredstructure->get_question_in_slot(1)->questionid);
// Check that the ordinary question was not deleted.
$this->assertTrue($DB->record_exists('question', array('id' => $standardq->id)));
// Remove the random question.
$structure->remove_slot($quiz, 1);
$alteredstructure = \mod_quiz\structure::create_for($quiz);
// Check that new ordering.
$this->assertEquals(0, $alteredstructure->get_question_count());
// Check that the random question was deleted.
$this->assertFalse($DB->record_exists('question', array('id' => $randomq->id)));
}
