public function test_quiz_report_scale_summarks_as_percentage()
{
$quiz = new stdClass();
$quiz->sumgrades = 10;
$quiz->decimalpoints = 2;
$this->assertEquals('12.34567%', quiz_report_scale_summarks_as_percentage(1.234567, $quiz, false));
$this->assertEquals('12.35%', quiz_report_scale_summarks_as_percentage(1.234567, $quiz, true));
$this->assertEquals('-', quiz_report_scale_summarks_as_percentage('-', $quiz, true));
}
protected function get_formatted_quiz_info_data($course, $cm, $quiz, $quizstats) {
// You can edit this array to control which statistics are displayed.
$todisplay = array('firstattemptscount' => 'number',
'allattemptscount' => 'number',
'firstattemptsavg' => 'summarks_as_percentage',
'allattemptsavg' => 'summarks_as_percentage',
'median' => 'summarks_as_percentage',
'standarddeviation' => 'summarks_as_percentage',
'skewness' => 'number_format',
'kurtosis' => 'number_format',
'cic' => 'number_format_percent',
'errorratio' => 'number_format_percent',
'standarderror' => 'summarks_as_percentage');
// General information about the quiz.
$quizinfo = array();
$quizinfo[get_string('quizname', 'quiz_statistics')] = format_string($quiz->name);
$quizinfo[get_string('coursename', 'quiz_statistics')] = format_string($course->fullname);
if ($cm->idnumber) {
$quizinfo[get_string('idnumbermod')] = $cm->idnumber;
}
if ($quiz->timeopen) {
$quizinfo[get_string('quizopen', 'quiz')] = userdate($quiz->timeopen);
}
if ($quiz->timeclose) {
$quizinfo[get_string('quizclose', 'quiz')] = userdate($quiz->timeclose);
}
if ($quiz->timeopen && $quiz->timeclose) {
$quizinfo[get_string('duration', 'quiz_statistics')] =
format_time($quiz->timeclose - $quiz->timeopen);
}
// The statistics.
foreach ($todisplay as $property => $format) {
if (!isset($quizstats->$property) || empty($format[$property])) {
continue;
}
$value = $quizstats->$property;
switch ($format) {
case 'summarks_as_percentage':
$formattedvalue = quiz_report_scale_summarks_as_percentage($value, $quiz);
break;
case 'number_format_percent':
$formattedvalue = quiz_format_grade($quiz, $value) . '%';
break;
case 'number_format':
// 2 extra decimal places, since not a percentage,
// and we want the same number of sig figs.
$formattedvalue = format_float($value, $quiz->decimalpoints + 2);
break;
case 'number':
$formattedvalue = $value + 0;
break;
default:
$formattedvalue = $value;
}
$quizinfo[get_string($property, 'quiz_statistics',
$this->using_attempts_string(!empty($quizstats->allattempts)))] =
$formattedvalue;
}
return $quizinfo;
}
/**
* The intended question weight. Maximum mark for the question as a percentage
* of maximum mark for the quiz. That is, the indended influence this question
* on the student's overall mark.
* @param \core_question\statistics\questions\calculated $questionstat stats for the question.
* @return string contents of this table cell.
*/
protected function col_intended_weight($questionstat)
{
return quiz_report_scale_summarks_as_percentage($questionstat->maxmark, $this->quiz);
}
