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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/>.
/**
* Unit tests for grade/report/user/lib.php.
*
* @package core_grades
* @category phpunit
* @copyright 2012 Andrew Davis
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
*/
defined('MOODLE_INTERNAL') || die();
global $CFG;
require_once($CFG->dirroot.'/grade/lib.php');
require_once($CFG->dirroot.'/grade/report/grader/lib.php');
/**
* Tests grade_report_grader (the grader report)
*/
class core_grade_report_graderlib_testcase extends advanced_testcase {
/**
* Tests grade_report_grader::process_data()
*
* process_data() processes submitted grade and feedback data
*/
public function test_process_data() {
global $DB, $CFG;
$this->resetAfterTest(true);
$course = $this->getDataGenerator()->create_course();
// Create and enrol a student.
$student = $this->getDataGenerator()->create_user(array('username' => 'Student Sam'));
$role = $DB->get_record('role', array('shortname' => 'student'), '*', MUST_EXIST);
$this->getDataGenerator()->enrol_user($student->id, $course->id, $role->id);
// Test with limited grades.
$CFG->unlimitedgrades = 0;
$forummax = 80;
$forum1 = $this->getDataGenerator()->create_module('forum', array('assessed' => 1, 'scale' => $forummax, 'course' => $course->id));
// Switch the stdClass instance for a grade item instance.
$forum1 = grade_item::fetch(array('itemtype' => 'mod', 'itemmodule' => 'forum', 'iteminstance' => $forum1->id, 'courseid' => $course->id));
$report = $this->create_report($course);
$testgrade = 60.00;
$data = new stdClass();
$data->id = $course->id;
$data->report = 'grader';
$data->timepageload = time();
$data->grade = array();
$data->grade[$student->id] = array();
$data->grade[$student->id][$forum1->id] = $testgrade;
$warnings = $report->process_data($data);
$this->assertEquals(count($warnings), 0);
$studentgrade = grade_grade::fetch(array('itemid' => $forum1->id, '' => $student->id));
$this->assertEquals($studentgrade->finalgrade, $testgrade);
// Grade above max. Should be pulled down to max.
$toobig = 200.00;
$data->grade[$student->id][$forum1->id] = $toobig;
$data->timepageload = time();
$warnings = $report->process_data($data);
$this->assertEquals(count($warnings), 1);
$studentgrade = grade_grade::fetch(array('itemid' => $forum1->id, '' => $student->id));
$this->assertEquals($studentgrade->finalgrade, $forummax);
// Grade below min. Should be pulled up to min.
$toosmall = -10.00;
$data->grade[$student->id][$forum1->id] = $toosmall;
$data->timepageload = time();
$warnings = $report->process_data($data);
$this->assertEquals(count($warnings), 1);
$studentgrade = grade_grade::fetch(array('itemid' => $forum1->id, '' => $student->id));
$this->assertEquals($studentgrade->finalgrade, 0);
// Test unlimited grades so we can give a student a grade about max.
$CFG->unlimitedgrades = 1;
$data->grade[$student->id][$forum1->id] = $toobig;
$data->timepageload = time();
$warnings = $report->process_data($data);
$this->assertEquals(count($warnings), 0);
$studentgrade = grade_grade::fetch(array('itemid' => $forum1->id, '' => $student->id));
$this->assertEquals($studentgrade->finalgrade, $toobig);
}
public function test_collapsed_preferences() {
$this->resetAfterTest(true);
$emptypreferences = array('aggregatesonly' => array(), 'gradesonly' => array());
$user1 = $this->getDataGenerator()->create_user();
$course1 = $this->getDataGenerator()->create_course();
$course2 = $this->getDataGenerator()->create_course();
$course3 = $this->getDataGenerator()->create_course();
$this->setUser($user1);
$report = $this->create_report($course1);
$this->assertEquals($emptypreferences, $report->collapsed);
// Validating preferences set/get for one course.
$report->process_action('cg13', 'switch_minus');
$report = $this->create_report($course1);
$this->assertEquals(array(13), $report->collapsed['aggregatesonly']);
$this->assertEmpty($report->collapsed['gradesonly']);
$report->process_action('cg13', 'switch_plus');
$report = $this->create_report($course1);
$this->assertEmpty($report->collapsed['aggregatesonly']);
$this->assertEquals(array(13), $report->collapsed['gradesonly']);
$report->process_action('cg13', 'switch_whole');
$report = $this->create_report($course1);
$this->assertEquals($emptypreferences, $report->collapsed);
// Validating preferences set/get for several courses.
$course1cats = $course2cats = $course3cats = array();
for ($i=0;$i<10;$i++) {
$course1cats[] = $this->create_grade_category($course1)->id;
$course2cats[] = $this->create_grade_category($course2)->id;
$course3cats[] = $this->create_grade_category($course3)->id;
}
$report1 = $this->create_report($course1);
foreach ($course1cats as $catid) {
$report1->process_action('cg'.$catid, 'switch_minus');
}
$report2 = $this->create_report($course2);
foreach ($course2cats as $catid) {
$report2->process_action('cg'.$catid, 'switch_minus');
$report2->process_action('cg'.$catid, 'switch_plus');
}
$report3 = $this->create_report($course3);
foreach ($course3cats as $catid) {
$report3->process_action('cg'.$catid, 'switch_minus');
if (($i++)%2) {
$report3->process_action('cg'.$catid, 'switch_plus');
}
}
$report1 = $this->create_report($course1);
$this->assertEquals(10, count($report1->collapsed['aggregatesonly']));
$this->assertEquals(0, count($report1->collapsed['gradesonly']));
$report2 = $this->create_report($course2);
$this->assertEquals(0, count($report2->collapsed['aggregatesonly']));
$this->assertEquals(10, count($report2->collapsed['gradesonly']));
$report3 = $this->create_report($course3);
$this->assertEquals(5, count($report3->collapsed['aggregatesonly']));
$this->assertEquals(5, count($report3->collapsed['gradesonly']));
// Test upgrade script.
// Combine data generated for user1 and set it in the old format for user2, Try to retrieve it and make sure it is converted.
$user2 = $this->getDataGenerator()->create_user();
$alldata = array(
'aggregatesonly' => array_merge($report1->collapsed['aggregatesonly'], $report2->collapsed['aggregatesonly'], $report3->collapsed['aggregatesonly']),
'gradesonly' => array_merge($report1->collapsed['gradesonly'], $report2->collapsed['gradesonly'], $report3->collapsed['gradesonly']),
);
set_user_preference('grade_report_grader_collapsed_categories', serialize($alldata), $user2);
$this->setUser($user2);
$convertedreport1 = $this->create_report($course1);
$this->assertEquals($report1->collapsed, $convertedreport1->collapsed);
$convertedreport2 = $this->create_report($course2);
$this->assertEquals($report2->collapsed, $convertedreport2->collapsed);
$convertedreport3 = $this->create_report($course3);
$this->assertEquals($report3->collapsed, $convertedreport3->collapsed);
// Make sure the old style user preference is removed now.
$this->assertEmpty(get_user_preferences('grade_report_grader_collapsed_categories'));
// Test overflowing the setting with non-existing categories (only validated if new setting size exceeds 1333 chars).
$toobigvalue = $expectedvalue = $report1->collapsed;
for ($i = 0; strlen(json_encode($toobigvalue)) < 1333; $i++) {
$toobigvalue[($i < 7) ? 'gradesonly' : 'aggregatesonly'][] = $course1cats[9] + 1 + $i;
}
$lastvalue = array_pop($toobigvalue['gradesonly']);
set_user_preference('grade_report_grader_collapsed_categories'.$course1->id, json_encode($toobigvalue));
$report1 = $this->create_report($course1);
$report1->process_action('cg'.$lastvalue, 'switch_minus');
$report1 = $this->create_report($course1);
$this->assertEquals($expectedvalue, $report1->collapsed);
// Test overflowing the setting with existing categories.
$toobigvalue = $report1->collapsed;
for ($i = 0; strlen(json_encode($toobigvalue)) < 1333; $i++) {
$catid = $this->create_grade_category($course1)->id;
$toobigvalue[($i < 7) ? 'gradesonly' : 'aggregatesonly'][] = $catid;
}
$lastcatid = array_pop($toobigvalue['gradesonly']);
set_user_preference('grade_report_grader_collapsed_categories'.$course1->id, json_encode($toobigvalue));
$toobigvalue['aggregatesonly'][] = $lastcatid;
$report1 = $this->create_report($course1);
$report1->process_action('cg'.$lastcatid, 'switch_minus');
// One last value should be removed from both arrays.
$report1 = $this->create_report($course1);
$this->assertEquals(count($toobigvalue['aggregatesonly']) - 1, count($report1->collapsed['aggregatesonly']));
$this->assertEquals(count($toobigvalue['gradesonly']) - 1, count($report1->collapsed['gradesonly']));
}
/**
* Tests the get_right_rows function with one 'normal' and one 'ungraded' quiz.
*
* Previously, with an ungraded quiz (which results in a grade item with type GRADETYPE_NONE)
* there was a bug in get_right_rows in some situations.
*/
public function test_get_right_rows() {
global $USER, $DB;
$this->resetAfterTest(true);
// Create manager and student on a course.
$generator = $this->getDataGenerator();
$manager = $generator->create_user();
$student = $generator->create_user();
$course = $generator->create_course();
$generator->enrol_user($manager->id, $course->id, 'manager');
$generator->enrol_user($student->id, $course->id, 'student');
// Create a couple of quizzes on the course.
$normalquiz = $generator->create_module('quiz', array('course' => $course->id,
'name' => 'NormalQuiz'));
$ungradedquiz = $generator->create_module('quiz', array('course' => $course->id,
'name' => 'UngradedQuiz'));
// Set the grade for the second one to 0 (note, you have to do this after creating it,
// otherwise it doesn't create an ungraded grade item).
$ungradedquiz->instance = $ungradedquiz->id;
quiz_set_grade(0, $ungradedquiz);
// Set current user.
$this->setUser($manager);
$USER->gradeediting[$course->id] = false;
// Get the report.
$report = $this->create_report($course);
$report->load_users();
$report->load_final_grades();
$result = $report->get_right_rows(false);
// There should be 3 rows (2 header rows, plus the grades for the first user).
$this->assertCount(3, $result);
// The second row should contain 2 cells - one for the graded quiz and course total.
$this->assertCount(2, $result[1]->cells);
$this->assertContains('NormalQuiz', $result[1]->cells[0]->text);
$this->assertContains('Course total', $result[1]->cells[1]->text);
// User row should contain grade values '-'.
$this->assertCount(2, $result[2]->cells);
$this->assertContains('>-<', $result[2]->cells[0]->text);
$this->assertContains('>-<', $result[2]->cells[1]->text);
// Supposing the user cannot view hidden grades, this shouldn't make any difference (due
// to a bug, it previously did).
$context = context_course::instance($course->id);
$managerroleid = $DB->get_field('role', 'id', array('shortname' => 'manager'));
assign_capability('moodle/grade:viewhidden', CAP_PROHIBIT, $managerroleid, $context->id, true);
$this->assertFalse(has_capability('moodle/grade:viewhidden', $context));
// Recreate the report. Confirm it returns successfully still.
$report = $this->create_report($course);
$report->load_users();
$report->load_final_grades();
$result = $report->get_right_rows(false);
$this->assertCount(3, $result);
}
private function create_grade_category($course) {
static $cnt = 0;
$cnt++;
$grade_category = new grade_category(array('courseid' => $course->id, 'fullname' => 'Cat '.$cnt), false);
$grade_category->apply_default_settings();
$grade_category->apply_forced_settings();
$grade_category->insert();
return $grade_category;
}
private function create_report($course) {
$coursecontext = context_course::instance($course->id);
$gpr = new grade_plugin_return(array('type' => 'report', 'plugin'=>'grader', 'courseid' => $course->id));
$report = new grade_report_grader($course->id, $gpr, $coursecontext);
return $report;
}
}