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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Tests for the quiz overview report.
*
* @package quiz_overview
* @copyright 2014 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
global $CFG;
require_once($CFG->dirroot . '/mod/quiz/locallib.php');
require_once($CFG->dirroot . '/mod/quiz/report/reportlib.php');
require_once($CFG->dirroot . '/mod/quiz/report/default.php');
require_once($CFG->dirroot . '/mod/quiz/report/overview/report.php');
require_once($CFG->dirroot . '/mod/quiz/report/overview/tests/helpers.php');
/**
* Tests for the quiz overview report.
*
* @copyright 2014 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class quiz_overview_report_testcase extends advanced_testcase {
/**
* Data provider for test_report_sql.
*
* @return array the data for the test sub-cases.
*/
public function report_sql_cases() {
return [[null], ['csv']]; // Only need to test on or off, not all download types.
}
/**
* Test how the report queries the database.
*
* @param bool $isdownloading a download type, or null.
* @dataProvider report_sql_cases
*/
public function test_report_sql($isdownloading) {
global $DB;
$this->resetAfterTest(true);
// Create a course and a quiz.
$generator = $this->getDataGenerator();
$course = $generator->create_course();
$quizgenerator = $generator->get_plugin_generator('mod_quiz');
$quiz = $quizgenerator->create_instance(array('course' => $course->id,
'grademethod' => QUIZ_GRADEHIGHEST, 'grade' => 100.0, 'sumgrades' => 10.0,
'attempts' => 10));
// Add one question.
$questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
$cat = $questiongenerator->create_question_category();
$q = $questiongenerator->create_question('essay', 'plain', ['category' => $cat->id]);
quiz_add_quiz_question($q->id, $quiz, 0 , 10);
// Create some students and enrol them in the course.
$student1 = $generator->create_user();
$student2 = $generator->create_user();
$student3 = $generator->create_user();
$generator->enrol_user($student1->id, $course->id);
$generator->enrol_user($student2->id, $course->id);
$generator->enrol_user($student3->id, $course->id);
// This line is not really necessary for the test asserts below,
// but what it does is add an extra user row returned by
// get_enrolled_with_capabilities_join because of a second enrolment.
// The extra row returned used to make $table->query_db complain
// about duplicate records. So this is really a test that an extra
// student enrolment does not cause duplicate records in this query.
$generator->enrol_user($student2->id, $course->id, null, 'self');
// Also create a user who should not appear in the reports,
// because they have a role with neither 'mod/quiz:attempt'
// nor 'mod/quiz:reviewmyattempts'.
$tutor = $generator->create_user();
$generator->enrol_user($tutor->id, $course->id, 'teacher');
// The test data.
$timestamp = 1234567890;
$attempts = array(
array($quiz, $student1, 1, 0.0, quiz_attempt::FINISHED),
array($quiz, $student1, 2, 5.0, quiz_attempt::FINISHED),
array($quiz, $student1, 3, 8.0, quiz_attempt::FINISHED),
array($quiz, $student1, 4, null, quiz_attempt::ABANDONED),
array($quiz, $student1, 5, null, quiz_attempt::IN_PROGRESS),
array($quiz, $student2, 1, null, quiz_attempt::ABANDONED),
array($quiz, $student2, 2, null, quiz_attempt::ABANDONED),
array($quiz, $student2, 3, 7.0, quiz_attempt::FINISHED),
array($quiz, $student2, 4, null, quiz_attempt::ABANDONED),
array($quiz, $student2, 5, null, quiz_attempt::ABANDONED),
);
// Load it in to quiz attempts table.
foreach ($attempts as $attemptdata) {
list($quiz, $student, $attemptnumber, $sumgrades, $state) = $attemptdata;
$timestart = $timestamp + $attemptnumber * 3600;
$quizobj = quiz::create($quiz->id, $student->id);
$quba = question_engine::make_questions_usage_by_activity('mod_quiz', $quizobj->get_context());
$quba->set_preferred_behaviour($quizobj->get_quiz()->preferredbehaviour);
// Create the new attempt and initialize the question sessions.
$attempt = quiz_create_attempt($quizobj, $attemptnumber, null, $timestart, false, $student->id);
$attempt = quiz_start_new_attempt($quizobj, $quba, $attempt, $attemptnumber, $timestamp);
$attempt = quiz_attempt_save_started($quizobj, $quba, $attempt);
// Process some responses from the student.
$attemptobj = quiz_attempt::create($attempt->id);
switch ($state) {
case quiz_attempt::ABANDONED:
$attemptobj->process_abandon($timestart + 300, false);
break;
case quiz_attempt::IN_PROGRESS:
// Do nothing.
break;
case quiz_attempt::FINISHED:
// Save answer and finish attempt.
$attemptobj->process_submitted_actions($timestart + 300, false, [
1 => ['answer' => 'My essay by ' . $student->firstname, 'answerformat' => FORMAT_PLAIN]]);
$attemptobj->process_finish($timestart + 600, false);
// Manually grade it.
$quba = $attemptobj->get_question_usage();
$quba->get_question_attempt(1)->manual_grade(
'Comment', $sumgrades, FORMAT_HTML, $timestart + 1200);
question_engine::save_questions_usage_by_activity($quba);
$update = new stdClass();
$update->id = $attemptobj->get_attemptid();
$update->timemodified = $timestart + 1200;
$update->sumgrades = $quba->get_total_mark();
$DB->update_record('quiz_attempts', $update);
quiz_save_best_grade($attemptobj->get_quiz(), $student->id);
break;
}
}
// Actually getting the SQL to run is quite 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);
$studentsjoins = get_enrolled_with_capabilities_join($context, '',
array('mod/quiz:attempt', 'mod/quiz:reviewmyattempts'));
$empty = new \core\dml\sql_join();
// 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.
$q->slot = 1;
$q->maxmark = 10;
$table = new quiz_overview_table($quiz, $context, $qmsubselect, $reportoptions,
$empty, $studentsjoins, array(1 => $q), null);
$table->download = $isdownloading; // Cannot call the is_downloading API, because it gives errors.
$table->define_columns(array('fullname'));
$table->sortable(true, 'uniqueid');
$table->define_baseurl(new moodle_url('/mod/quiz/report.php'));
$table->setup();
// Run the query.
$table->setup_sql_queries($studentsjoins);
$table->query_db(30, false);
// Should be 4 rows, matching count($table->rawdata) tested below.
// The count is only done if not downloading.
if (!$isdownloading) {
$this->assertEquals(4, $table->totalrows);
}
// Verify what was returned: Student 1's best and in progress attempts.
// Student 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);
// Check the calculation of averages.
$averagerow = $table->compute_average_row('overallaverage', $studentsjoins);
$this->assertContains('75.00', $averagerow['sumgrades']);
$this->assertContains('75.00', $averagerow['qsgrade1']);
if (!$isdownloading) {
$this->assertContains('(2)', $averagerow['sumgrades']);
$this->assertContains('(2)', $averagerow['qsgrade1']);
}
// Ensure that filtering by initial does not break it.
// This involves setting a private properly of the base class, which is
// only really possible using reflection :-(.
$reflectionobject = new ReflectionObject($table);
while ($parent = $reflectionobject->getParentClass()) {
$reflectionobject = $parent;
}
$prefsproperty = $reflectionobject->getProperty('prefs');
$prefsproperty->setAccessible(true);
$prefs = $prefsproperty->getValue($table);
$prefs['i_first'] = 'A';
$prefsproperty->setValue($table, $prefs);
list($fields, $from, $where, $params) = $table->base_sql($studentsjoins);
$table->set_count_sql("SELECT COUNT(1) FROM (SELECT $fields FROM $from WHERE $where) temp WHERE 1 = 1", $params);
$table->set_sql($fields, $from, $where, $params);
$table->query_db(30, false);
// Just verify that this does not cause a fatal error.
}
/**
* Bands provider.
* @return array
*/
public function get_bands_count_and_width_provider() {
return [
[10, [20, .5]],
[20, [20, 1]],
[30, [15, 2]],
// TODO MDL-55068 Handle bands better when grade is 50.
// [50, [10, 5]],
[100, [20, 5]],
[200, [20, 10]],
];
}
/**
* Test bands.
*
* @dataProvider get_bands_count_and_width_provider
* @param int $grade grade
* @param array $expected
*/
public function test_get_bands_count_and_width($grade, $expected) {
$this->resetAfterTest(true);
$quizgenerator = $this->getDataGenerator()->get_plugin_generator('mod_quiz');
$quiz = $quizgenerator->create_instance(['course' => SITEID, 'grade' => $grade]);
$this->assertEquals($expected, quiz_overview_report::get_bands_count_and_width($quiz));
}
/**
* Test delete_selected_attempts function.
*/
public function test_delete_selected_attempts() {
$this->resetAfterTest(true);
$timestamp = 1234567890;
$timestart = $timestamp + 3600;
// Create a course and a quiz.
$generator = $this->getDataGenerator();
$course = $generator->create_course();
$quizgenerator = $generator->get_plugin_generator('mod_quiz');
$quiz = $quizgenerator->create_instance([
'course' => $course->id,
'grademethod' => QUIZ_GRADEHIGHEST,
'grade' => 100.0,
'sumgrades' => 10.0,
'attempts' => 10
]);
// Add one question.
$questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
$cat = $questiongenerator->create_question_category();
$q = $questiongenerator->create_question('essay', 'plain', ['category' => $cat->id]);
quiz_add_quiz_question($q->id, $quiz, 0 , 10);
// Create student and enrol them in the course.
// Note: we create two enrolments, to test the problem reported in MDL-67942.
$student = $generator->create_user();
$generator->enrol_user($student->id, $course->id);
$generator->enrol_user($student->id, $course->id, null, 'self');
$context = context_module::instance($quiz->cmid);
$cm = get_coursemodule_from_id('quiz', $quiz->cmid);
$allowedjoins = get_enrolled_with_capabilities_join($context, '', ['mod/quiz:attempt', 'mod/quiz:reviewmyattempts']);
$quizattemptsreport = new testable_quiz_attempts_report();
// Create the new attempt and initialize the question sessions.
$quizobj = quiz::create($quiz->id, $student->id);
$quba = question_engine::make_questions_usage_by_activity('mod_quiz', $quizobj->get_context());
$quba->set_preferred_behaviour($quizobj->get_quiz()->preferredbehaviour);
$attempt = quiz_create_attempt($quizobj, 1, null, $timestart, false, $student->id);
$attempt = quiz_start_new_attempt($quizobj, $quba, $attempt, 1, $timestamp);
$attempt = quiz_attempt_save_started($quizobj, $quba, $attempt);
// Delete the student's attempt.
$quizattemptsreport->delete_selected_attempts($quiz, $cm, [$attempt->id], $allowedjoins);
}
}