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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/lib.php.
*
* @package core_grades
* @category phpunit
* @author 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($CFG->dirroot.'/grade/report/lib.php');
/**
* A test class used to test grade_report, the abstract grade report parent class
*/
class grade_report_mock extends grade_report {
public function __construct($courseid, $gpr, $context, $user) {
parent::__construct($courseid, $gpr, $context);
$this->user = $user;
}
/**
* A wrapper around blank_hidden_total_and_adjust_bounds() to allow test code to call it directly
*/
public function blank_hidden_total_and_adjust_bounds($courseid, $courseitem, $finalgrade) {
return parent::blank_hidden_total_and_adjust_bounds($courseid, $courseitem, $finalgrade);
}
/**
* Implementation of the abstract method process_data()
*/
public function process_data($data) {
}
/**
* Implementation of the abstract method process_action()
*/
public function process_action($target, $action) {
}
}
/**
* Tests grade_report, the parent class for all grade reports.
*/
class reportlib_test extends advanced_testcase {
/**
* Tests grade_report::blank_hidden_total_and_adjust_bounds()
*/
public function test_blank_hidden_total_and_adjust_bounds() {
global $DB;
$this->resetAfterTest(true);
$student = $this->getDataGenerator()->create_user();
$this->setUser($student);
// Create a course and two activities.
// One activity will be hidden.
$course = $this->getDataGenerator()->create_course();
$coursegradeitem = grade_item::fetch_course_item($course->id);
$coursecontext = context_course::instance($course->id);
$data = $this->getDataGenerator()->create_module('data', array('assessed' => 1, 'scale' => 100, 'course' => $course->id));
$datacm = get_coursemodule_from_id('data', $data->cmid);
$forum = $this->getDataGenerator()->create_module('forum', array('assessed' => 1, 'scale' => 100, 'course' => $course->id));
$forumcm = get_coursemodule_from_id('forum', $forum->cmid);
// Insert student grades for the two activities.
$gi = grade_item::fetch(array('itemtype' => 'mod', 'itemmodule' => 'data', 'iteminstance' => $data->id, 'courseid' => $course->id));
$datagrade = 50;
$grade_grade = new grade_grade();
$grade_grade->itemid = $gi->id;
$grade_grade->userid = $student->id;
$grade_grade->rawgrade = $datagrade;
$grade_grade->finalgrade = $datagrade;
$grade_grade->rawgrademax = 100;
$grade_grade->rawgrademin = 0;
$grade_grade->timecreated = time();
$grade_grade->timemodified = time();
$grade_grade->insert();
$gi = grade_item::fetch(array('itemtype' => 'mod', 'itemmodule' => 'forum', 'iteminstance' => $forum->id, 'courseid' => $course->id));
$forumgrade = 70;
$grade_grade = new grade_grade();
$grade_grade->itemid = $gi->id;
$grade_grade->userid = $student->id;
$grade_grade->rawgrade = $forumgrade;
$grade_grade->finalgrade = $forumgrade;
$grade_grade->rawgrademax = 100;
$grade_grade->rawgrademin = 0;
$grade_grade->timecreated = time();
$grade_grade->timemodified = time();
$grade_grade->insert();
// Hide the database activity.
set_coursemodule_visible($datacm->id, 0);
$gpr = new grade_plugin_return(array('type' => 'report', 'courseid' => $course->id));
$report = new grade_report_mock($course->id, $gpr, $coursecontext, $student);
// Should return the supplied student total grade regardless of hiding.
$report->showtotalsifcontainhidden = array($course->id => GRADE_REPORT_SHOW_REAL_TOTAL_IF_CONTAINS_HIDDEN);
$result = $report->blank_hidden_total_and_adjust_bounds($course->id, $coursegradeitem, $datagrade + $forumgrade);
$this->assertEquals(array('grade' => $datagrade + $forumgrade,
'grademax' => $coursegradeitem->grademax,
'grademin' => $coursegradeitem->grademin,
'aggregationstatus' => 'unknown',
'aggregationweight' => null), $result);
// Should blank the student total as course grade depends on a hidden item.
$report->showtotalsifcontainhidden = array($course->id => GRADE_REPORT_HIDE_TOTAL_IF_CONTAINS_HIDDEN);
$result = $report->blank_hidden_total_and_adjust_bounds($course->id, $coursegradeitem, $datagrade + $forumgrade);
$this->assertEquals(array('grade' => null,
'grademax' => $coursegradeitem->grademax,
'grademin' => $coursegradeitem->grademin,
'aggregationstatus' => 'unknown',
'aggregationweight' => null), $result);
// Should return the course total minus the hidden database activity grade.
$report->showtotalsifcontainhidden = array($course->id => GRADE_REPORT_SHOW_TOTAL_IF_CONTAINS_HIDDEN);
$result = $report->blank_hidden_total_and_adjust_bounds($course->id, $coursegradeitem, $datagrade + $forumgrade);
$this->assertEquals(array('grade' => floatval($forumgrade),
'grademax' => $coursegradeitem->grademax,
'grademin' => $coursegradeitem->grademin,
'aggregationstatus' => 'unknown',
'aggregationweight' => null), $result);
// Note: we cannot simply hide modules and call $report->blank_hidden_total() again.
// It stores grades in a static variable so $report->blank_hidden_total() will return incorrect totals
// In practice this isn't a problem. Grade visibility isn't altered mid-request outside of the unit tests.
// Add a second course to test:
// 1) How a course with no visible activities behaves.
// 2) That $report->blank_hidden_total() correctly moves on to the new course.
$course = $this->getDataGenerator()->create_course();
$coursegradeitem = grade_item::fetch_course_item($course->id);
$coursecontext = context_course::instance($course->id);
$data = $this->getDataGenerator()->create_module('data', array('assessed' => 1, 'scale' => 100, 'course' => $course->id));
$datacm = get_coursemodule_from_id('data', $data->cmid);
$forum = $this->getDataGenerator()->create_module('forum', array('assessed' => 1, 'scale' => 100, 'course' => $course->id));
$forumcm = get_coursemodule_from_id('forum', $forum->cmid);
$gi = grade_item::fetch(array('itemtype' => 'mod', 'itemmodule' => 'data', 'iteminstance' => $data->id, 'courseid' => $course->id));
$datagrade = 50;
$grade_grade = new grade_grade();
$grade_grade->itemid = $gi->id;
$grade_grade->userid = $student->id;
$grade_grade->rawgrade = $datagrade;
$grade_grade->finalgrade = $datagrade;
$grade_grade->rawgrademax = 100;
$grade_grade->rawgrademin = 0;
$grade_grade->timecreated = time();
$grade_grade->timemodified = time();
$grade_grade->insert();
$gi = grade_item::fetch(array('itemtype' => 'mod', 'itemmodule' => 'forum', 'iteminstance' => $forum->id, 'courseid' => $course->id));
$forumgrade = 70;
$grade_grade = new grade_grade();
$grade_grade->itemid = $gi->id;
$grade_grade->userid = $student->id;
$grade_grade->rawgrade = $forumgrade;
$grade_grade->finalgrade = $forumgrade;
$grade_grade->rawgrademax = 100;
$grade_grade->rawgrademin = 0;
$grade_grade->timecreated = time();
$grade_grade->timemodified = time();
$grade_grade->insert();
// Hide both activities.
set_coursemodule_visible($datacm->id, 0);
set_coursemodule_visible($forumcm->id, 0);
$gpr = new grade_plugin_return(array('type' => 'report', 'courseid' => $course->id));
$report = new grade_report_mock($course->id, $gpr, $coursecontext, $student);
// Should return the supplied student total grade regardless of hiding.
$report->showtotalsifcontainhidden = array($course->id => GRADE_REPORT_SHOW_REAL_TOTAL_IF_CONTAINS_HIDDEN);
$result = $report->blank_hidden_total_and_adjust_bounds($course->id, $coursegradeitem, $datagrade + $forumgrade);
$this->assertEquals(array('grade' => $datagrade + $forumgrade,
'grademax' => $coursegradeitem->grademax,
'grademin' => $coursegradeitem->grademin,
'aggregationstatus' => 'unknown',
'aggregationweight' => null), $result);
// Should blank the student total as course grade depends on a hidden item.
$report->showtotalsifcontainhidden = array($course->id => GRADE_REPORT_HIDE_TOTAL_IF_CONTAINS_HIDDEN);
$result = $report->blank_hidden_total_and_adjust_bounds($course->id, $coursegradeitem, $datagrade + $forumgrade);
$this->assertEquals(array('grade' => null,
'grademax' => $coursegradeitem->grademax,
'grademin' => $coursegradeitem->grademin,
'aggregationstatus' => 'unknown',
'aggregationweight' => null), $result);
// Should return the course total minus the hidden activity grades.
// They are both hidden so should return null.
$report->showtotalsifcontainhidden = array($course->id => GRADE_REPORT_SHOW_TOTAL_IF_CONTAINS_HIDDEN);
$result = $report->blank_hidden_total_and_adjust_bounds($course->id, $coursegradeitem, $datagrade + $forumgrade);
$this->assertEquals(array('grade' => null,
'grademax' => $coursegradeitem->grademax,
'grademin' => $coursegradeitem->grademin,
'aggregationstatus' => 'unknown',
'aggregationweight' => null), $result);
}
}