/**
* @return question_finder a question finder.
*/
public static function get_instance() {
if (is_null(self::$questionfinder)) {
self::$questionfinder = new question_finder();
}
return self::$questionfinder;
}
/**
* @param $responsecounts
* @param $qubaids
* @param $questions
* @param $whichtries
*/
protected function check_response_counts($responsecounts, $qubaids, $questions, $whichtries)
{
for ($rowno = 0; $rowno < $responsecounts->getRowCount(); $rowno++) {
$expected = $responsecounts->getRow($rowno);
$defaultsforexpected = array('randq' => '', 'variant' => '1', 'subpart' => '1');
foreach ($defaultsforexpected as $key => $expecteddefault) {
if (!isset($expected[$key])) {
$expected[$key] = $expecteddefault;
}
}
if ($expected['randq'] == '') {
$question = $questions[$expected['slot']];
} else {
$qid = $this->randqids[$expected['slot']][$expected['randq']];
$question = question_finder::get_instance()->load_question_data($qid);
}
$this->assert_response_count_equals($question, $qubaids, $expected, $whichtries);
}
}
