public function test_report_sql()
{
global $DB, $SITE;
$this->resetAfterTest(true);
$generator = $this->getDataGenerator();
$quizgenerator = $generator->get_plugin_generator('mod_quiz');
$quiz = $quizgenerator->create_instance(array('course' => $SITE->id, 'grademethod' => QUIZ_GRADEHIGHEST, 'grade' => 100.0, 'sumgrades' => 10.0, 'attempts' => 10));
$student1 = $generator->create_user();
$student2 = $generator->create_user();
$student3 = $generator->create_user();
$quizid = 123;
$timestamp = 1234567890;
// The test data.
$fields = array('quiz', 'userid', 'attempt', 'sumgrades', 'state');
$attempts = array(array($quiz->id, $student1->id, 1, 0.0, quiz_attempt::FINISHED), array($quiz->id, $student1->id, 2, 5.0, quiz_attempt::FINISHED), array($quiz->id, $student1->id, 3, 8.0, quiz_attempt::FINISHED), array($quiz->id, $student1->id, 4, null, quiz_attempt::ABANDONED), array($quiz->id, $student1->id, 5, null, quiz_attempt::IN_PROGRESS), array($quiz->id, $student2->id, 1, null, quiz_attempt::ABANDONED), array($quiz->id, $student2->id, 2, null, quiz_attempt::ABANDONED), array($quiz->id, $student2->id, 3, 7.0, quiz_attempt::FINISHED), array($quiz->id, $student2->id, 4, null, quiz_attempt::ABANDONED), array($quiz->id, $student2->id, 5, null, quiz_attempt::ABANDONED));
// Load it in to quiz attempts table.
$uniqueid = 1;
foreach ($attempts as $attempt) {
$data = array_combine($fields, $attempt);
$data['timestart'] = $timestamp + 3600 * $data['attempt'];
$data['timemodifed'] = $data['timestart'];
if ($data['state'] == quiz_attempt::FINISHED) {
$data['timefinish'] = $data['timestart'] + 600;
$data['timemodifed'] = $data['timefinish'];
}
$data['layout'] = '';
// Not used, but cannot be null.
$data['uniqueid'] = $uniqueid++;
$data['preview'] = 0;
$DB->insert_record('quiz_attempts', $data);
}
// Actually getting the SQL to run is quit hard. Do a minimal set up of
// some objects.
$context = context_module::instance($quiz->cmid);
$cm = get_coursemodule_from_id('quiz', $quiz->cmid);
$qmsubselect = quiz_report_qm_filter_select($quiz);
$reportstudents = array($student1->id, $student2->id, $student3->id);
// Set the options.
$reportoptions = new quiz_overview_options('overview', $quiz, $cm, null);
$reportoptions->attempts = quiz_attempts_report::ENROLLED_ALL;
$reportoptions->onlygraded = true;
$reportoptions->states = array(quiz_attempt::IN_PROGRESS, quiz_attempt::OVERDUE, quiz_attempt::FINISHED);
// Now do a minimal set-up of the table class.
$table = new quiz_overview_table($quiz, $context, $qmsubselect, $reportoptions, array(), $reportstudents, array(1), null);
$table->define_columns(array('attempt'));
$table->sortable(true, 'uniqueid');
$table->define_baseurl(new moodle_url('/mod/quiz/report.php'));
$table->setup();
// Run the query.
list($fields, $from, $where, $params) = $table->base_sql($reportstudents);
$table->set_sql($fields, $from, $where, $params);
$table->query_db(30, false);
// Verify what was returned: Student 1's best and in progress attempts.
// Stuent 2's finshed attempt, and Student 3 with no attempt.
// The array key is {student id}#{attempt number}.
$this->assertEquals(4, count($table->rawdata));
$this->assertArrayHasKey($student1->id . '#3', $table->rawdata);
$this->assertEquals(1, $table->rawdata[$student1->id . '#3']->gradedattempt);
$this->assertArrayHasKey($student1->id . '#3', $table->rawdata);
$this->assertEquals(0, $table->rawdata[$student1->id . '#5']->gradedattempt);
$this->assertArrayHasKey($student2->id . '#3', $table->rawdata);
$this->assertEquals(1, $table->rawdata[$student2->id . '#3']->gradedattempt);
$this->assertArrayHasKey($student3->id . '#0', $table->rawdata);
$this->assertEquals(0, $table->rawdata[$student3->id . '#0']->gradedattempt);
}
public function query_db($pagesize, $useinitialsbar = true)
{
parent::query_db($pagesize, $useinitialsbar);
if ($this->quiz->gradebycategory) {
$this->catgrades = new quizaccess_gradebycategory_calculator($this->quiz);
// $this->lateststeps may or may not already have been loaded depending if the reoprt
// is set to show question grades.
if ($this->lateststeps === null) {
$this->catgrades->load_latest_steps($this->attempts);
} else {
$this->catgrades->set_latest_steps($this->lateststeps);
}
$cats = $this->catgrades->load_cat_data();
$this->add_extra_headers($cats);
$this->add_extra_columns(array_keys($cats));
}
}