Your IP : 192.168.165.1
<?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/>.
/**
* @package core_grades
* @category phpunit
* @copyright nicolas@moodle.com
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once(__DIR__.'/fixtures/lib.php');
class core_grade_category_testcase extends grade_base_testcase {
public function test_grade_category() {
$this->sub_test_grade_category_construct();
$this->sub_test_grade_category_build_path();
$this->sub_test_grade_category_fetch();
$this->sub_test_grade_category_fetch_all();
$this->sub_test_grade_category_update();
$this->sub_test_grade_category_delete();
$this->sub_test_grade_category_insert();
$this->sub_test_grade_category_qualifies_for_regrading();
$this->sub_test_grade_category_force_regrading();
$this->sub_test_grade_category_aggregate_grades();
$this->sub_test_grade_category_apply_limit_rules();
$this->sub_test_grade_category_is_aggregationcoef_used();
$this->sub_test_grade_category_aggregation_uses_aggregationcoef();
$this->sub_test_grade_category_fetch_course_tree();
$this->sub_test_grade_category_get_children();
$this->sub_test_grade_category_load_grade_item();
$this->sub_test_grade_category_get_grade_item();
$this->sub_test_grade_category_load_parent_category();
$this->sub_test_grade_category_get_parent_category();
$this->sub_test_grade_category_get_name();
$this->sub_test_grade_category_generate_grades_aggregationweight();
$this->sub_test_grade_category_set_parent();
$this->sub_test_grade_category_get_final();
$this->sub_test_grade_category_get_sortorder();
$this->sub_test_grade_category_set_sortorder();
$this->sub_test_grade_category_is_editable();
$this->sub_test_grade_category_move_after_sortorder();
$this->sub_test_grade_category_is_course_category();
$this->sub_test_grade_category_fetch_course_category();
$this->sub_test_grade_category_is_locked();
$this->sub_test_grade_category_set_locked();
$this->sub_test_grade_category_is_hidden();
$this->sub_test_grade_category_set_hidden();
$this->sub_test_grade_category_can_control_visibility();
$this->sub_test_grade_category_total_visibility();
// This won't work until MDL-11837 is complete.
// $this->sub_test_grade_category_generate_grades();
// Do this last as adding a second course category messes up the data.
$this->sub_test_grade_category_insert_course_category();
$this->sub_test_grade_category_is_extracredit_used();
$this->sub_test_grade_category_aggregation_uses_extracredit();
}
// Adds 3 new grade categories at various depths.
protected function sub_test_grade_category_construct() {
$course_category = grade_category::fetch_course_category($this->courseid);
$params = new stdClass();
$params->courseid = $this->courseid;
$params->fullname = 'unittestcategory4';
$grade_category = new grade_category($params, false);
$grade_category->insert();
$this->grade_categories[] = $grade_category;
$this->assertEquals($params->courseid, $grade_category->courseid);
$this->assertEquals($params->fullname, $grade_category->fullname);
$this->assertEquals(2, $grade_category->depth);
$this->assertEquals("/$course_category->id/$grade_category->id/", $grade_category->path);
$parentpath = $grade_category->path;
// Test a child category.
$params->parent = $grade_category->id;
$params->fullname = 'unittestcategory5';
$grade_category = new grade_category($params, false);
$grade_category->insert();
$this->grade_categories[] = $grade_category;
$this->assertEquals(3, $grade_category->depth);
$this->assertEquals($parentpath.$grade_category->id."/", $grade_category->path);
$parentpath = $grade_category->path;
// Test a third depth category.
$params->parent = $grade_category->id;
$params->fullname = 'unittestcategory6';
$grade_category = new grade_category($params, false);
$grade_category->insert();
$this->grade_categories[50] = $grade_category;// Going to delete this one later hence the special index.
$this->assertEquals(4, $grade_category->depth);
$this->assertEquals($parentpath.$grade_category->id."/", $grade_category->path);
}
protected function sub_test_grade_category_build_path() {
$grade_category = new grade_category($this->grade_categories[1]);
$this->assertTrue(method_exists($grade_category, 'build_path'));
$path = grade_category::build_path($grade_category);
$this->assertEquals($grade_category->path, $path);
}
protected function sub_test_grade_category_fetch() {
$grade_category = new grade_category();
$this->assertTrue(method_exists($grade_category, 'fetch'));
$grade_category = grade_category::fetch(array('id'=>$this->grade_categories[0]->id));
$this->assertEquals($this->grade_categories[0]->id, $grade_category->id);
$this->assertEquals($this->grade_categories[0]->fullname, $grade_category->fullname);
}
protected function sub_test_grade_category_fetch_all() {
$grade_category = new grade_category();
$this->assertTrue(method_exists($grade_category, 'fetch_all'));
$grade_categories = grade_category::fetch_all(array('courseid'=>$this->courseid));
$this->assertEquals(count($this->grade_categories), count($grade_categories)-1);
}
protected function sub_test_grade_category_update() {
global $DB;
$grade_category = new grade_category($this->grade_categories[0]);
$this->assertTrue(method_exists($grade_category, 'update'));
$grade_category->fullname = 'Updated info for this unittest grade_category';
$grade_category->path = null; // Path must be recalculated if missing.
$grade_category->depth = null;
$grade_category->aggregation = GRADE_AGGREGATE_MAX; // Should force regrading.
$grade_item = $grade_category->get_grade_item();
$this->assertEquals(0, $grade_item->needsupdate);
$this->assertTrue($grade_category->update());
$fullname = $DB->get_field('grade_categories', 'fullname', array('id' => $this->grade_categories[0]->id));
$this->assertEquals($grade_category->fullname, $fullname);
$path = $DB->get_field('grade_categories', 'path', array('id' => $this->grade_categories[0]->id));
$this->assertEquals($grade_category->path, $path);
$depth = $DB->get_field('grade_categories', 'depth', array('id' => $this->grade_categories[0]->id));
$this->assertEquals($grade_category->depth, $depth);
$grade_item = $grade_category->get_grade_item();
$this->assertEquals(1, $grade_item->needsupdate);
}
protected function sub_test_grade_category_delete() {
global $DB;
$grade_category = new grade_category($this->grade_categories[50]);
$this->assertTrue(method_exists($grade_category, 'delete'));
$this->assertTrue($grade_category->delete());
$this->assertFalse($DB->get_record('grade_categories', array('id' => $grade_category->id)));
}
protected function sub_test_grade_category_insert() {
$course_category = grade_category::fetch_course_category($this->courseid);
$grade_category = new grade_category();
$this->assertTrue(method_exists($grade_category, 'insert'));
$grade_category->fullname = 'unittestcategory4';
$grade_category->courseid = $this->courseid;
$grade_category->aggregation = GRADE_AGGREGATE_MEAN;
$grade_category->aggregateonlygraded = 1;
$grade_category->keephigh = 100;
$grade_category->droplow = 10;
$grade_category->hidden = 0;
$grade_category->parent = $this->grade_categories[1]->id; // sub_test_grade_category_delete() removed the category at 0.
$grade_category->insert();
$this->assertEquals('/'.$course_category->id.'/'.$this->grade_categories[1]->parent.'/'.$this->grade_categories[1]->id.'/'.$grade_category->id.'/', $grade_category->path);
$this->assertEquals(4, $grade_category->depth);
$last_grade_category = end($this->grade_categories);
$this->assertFalse(empty($grade_category->grade_item));
$this->assertEquals($grade_category->id, $grade_category->grade_item->iteminstance);
$this->assertEquals('category', $grade_category->grade_item->itemtype);
$this->assertEquals($grade_category->id, $last_grade_category->id + 1);
$this->assertFalse(empty($grade_category->timecreated));
$this->assertFalse(empty($grade_category->timemodified));
}
protected function sub_test_grade_category_qualifies_for_regrading() {
$grade_category = new grade_category($this->grade_categories[1]);
$this->assertTrue(method_exists($grade_category, 'qualifies_for_regrading'));
$this->assertFalse($grade_category->qualifies_for_regrading());
$grade_category->aggregation = GRADE_AGGREGATE_MAX;
$this->assertTrue($grade_category->qualifies_for_regrading());
$grade_category = new grade_category($this->grade_categories[1]);
$grade_category->droplow = 99;
$this->assertTrue($grade_category->qualifies_for_regrading());
$grade_category = new grade_category($this->grade_categories[1]);
$grade_category->keephigh = 99;
$this->assertTrue($grade_category->qualifies_for_regrading());
}
protected function sub_test_grade_category_force_regrading() {
$grade_category = new grade_category($this->grade_categories[1]);
$this->assertTrue(method_exists($grade_category, 'force_regrading'));
$grade_category->load_grade_item();
$this->assertEquals(0, $grade_category->grade_item->needsupdate);
$grade_category->force_regrading();
$grade_category->grade_item = null;
$grade_category->load_grade_item();
$this->assertEquals(1, $grade_category->grade_item->needsupdate);
}
/**
* Tests the setting of the grade_grades aggregationweight column.
* Currently, this is only a regression test for MDL-51715.
* This must be run before sub_test_grade_category_set_parent(), which alters
* the fixture.
*/
protected function sub_test_grade_category_generate_grades_aggregationweight() {
global $DB;
// Start of regression test for MDL-51715.
// grade_categories [1] and [2] are child categories of [0]
// Ensure that grades have been generated with fixture data.
$childcat1 = new grade_category($this->grade_categories[1]);
$childcat1itemid = $childcat1->load_grade_item()->id;
$childcat1->generate_grades();
$childcat2 = new grade_category($this->grade_categories[2]);
$childcat2itemid = $childcat2->load_grade_item()->id;
$childcat2->generate_grades();
$parentcat = new grade_category($this->grade_categories[0]);
$parentcat->generate_grades();
// Drop low and and re-generate to produce 'dropped' aggregation status.
$parentcat->droplow = 1;
$parentcat->generate_grades();
$this->assertTrue($DB->record_exists_select(
'grade_grades',
"aggregationstatus='dropped' and itemid in (?,?)",
array($childcat1itemid, $childcat2itemid)));
$this->assertFalse($DB->record_exists_select(
'grade_grades',
"aggregationstatus='dropped' and aggregationweight > 0.00"),
"aggregationweight should be 0.00 if aggregationstatus=='dropped'");
// Reset grade data to be consistent with fixture data.
$parentcat->droplow = 0;
$parentcat->generate_grades();
// Blank out the final grade for one of the child categories and re-generate
// to produce 'novalue' aggregationstatus. Direct DB update is testing shortcut.
$DB->set_field('grade_grades', 'finalgrade', null, array('itemid'=>$childcat1itemid));
$parentcat->generate_grades();
$this->assertFalse($DB->record_exists_select(
'grade_grades',
"aggregationstatus='dropped' and itemid in (?,?)",
array($childcat1itemid, $childcat2itemid)));
$this->assertTrue($DB->record_exists_select(
'grade_grades',
"aggregationstatus='novalue' and itemid = ?",
array($childcat1itemid)));
$this->assertFalse($DB->record_exists_select(
'grade_grades',
"aggregationstatus='novalue' and aggregationweight > 0.00"),
"aggregationweight should be 0.00 if aggregationstatus=='novalue'");
// Re-generate to be consistent with fixture data.
$childcat1->generate_grades();
$parentcat->generate_grades();
// End of regression test for MDL-51715.
}
/**
* Tests the calculation of grades using the various aggregation methods with and without hidden grades
* This will not work entirely until MDL-11837 is done
*/
protected function sub_test_grade_category_generate_grades() {
global $DB;
// Inserting some special grade items to make testing the final grade calculation easier.
$params = new stdClass();
$params->courseid = $this->courseid;
$params->fullname = 'unittestgradecalccategory';
$params->aggregation = GRADE_AGGREGATE_MEAN;
$params->aggregateonlygraded = 0;
$grade_category = new grade_category($params, false);
$grade_category->insert();
$this->assertTrue(method_exists($grade_category, 'generate_grades'));
$grade_category->load_grade_item();
$cgi = $grade_category->get_grade_item();
$cgi->grademin = 0;
$cgi->grademax = 20; // 3 grade items out of 10 but category is out of 20 to force scaling to occur.
$cgi->update();
// 3 grade items each with a maximum grade of 10.
$grade_items = array();
for ($i=0; $i<3; $i++) {
$grade_items[$i] = new grade_item();
$grade_items[$i]->courseid = $this->courseid;
$grade_items[$i]->categoryid = $grade_category->id;
$grade_items[$i]->itemname = 'manual grade_item '.$i;
$grade_items[$i]->itemtype = 'manual';
$grade_items[$i]->itemnumber = 0;
$grade_items[$i]->needsupdate = false;
$grade_items[$i]->gradetype = GRADE_TYPE_VALUE;
$grade_items[$i]->grademin = 0;
$grade_items[$i]->grademax = 10;
$grade_items[$i]->iteminfo = 'Manual grade item used for unit testing';
$grade_items[$i]->timecreated = time();
$grade_items[$i]->timemodified = time();
// Used as the weight by weighted mean and as extra credit by mean with extra credit.
// Will be 0, 1 and 2.
$grade_items[$i]->aggregationcoef = $i;
$grade_items[$i]->insert();
}
// A grade for each grade item.
$grade_grades = array();
for ($i=0; $i<3; $i++) {
$grade_grades[$i] = new grade_grade();
$grade_grades[$i]->itemid = $grade_items[$i]->id;
$grade_grades[$i]->userid = $this->userid;
$grade_grades[$i]->rawgrade = ($i+1)*2; // Produce grade grades of 2, 4 and 6.
$grade_grades[$i]->finalgrade = ($i+1)*2;
$grade_grades[$i]->timecreated = time();
$grade_grades[$i]->timemodified = time();
$grade_grades[$i]->information = '1 of 2 grade_grades';
$grade_grades[$i]->informationformat = FORMAT_PLAIN;
$grade_grades[$i]->feedback = 'Good, but not good enough..';
$grade_grades[$i]->feedbackformat = FORMAT_PLAIN;
$grade_grades[$i]->insert();
}
// 3 grade items with 1 grade_grade each.
// grade grades have the values 2, 4 and 6.
// First correct answer is the aggregate with all 3 grades.
// Second correct answer is with the first grade (value 2) hidden.
$this->helper_test_grade_agg_method($grade_category, $grade_items, $grade_grades, GRADE_AGGREGATE_MEDIAN, 'GRADE_AGGREGATE_MEDIAN', 8, 8);
$this->helper_test_grade_agg_method($grade_category, $grade_items, $grade_grades, GRADE_AGGREGATE_MAX, 'GRADE_AGGREGATE_MAX', 12, 12);
$this->helper_test_grade_agg_method($grade_category, $grade_items, $grade_grades, GRADE_AGGREGATE_MODE, 'GRADE_AGGREGATE_MODE', 12, 12);
// Weighted mean. note grade totals are rounded to an int to prevent rounding discrepancies. correct final grade isnt actually exactly 10
// 3 items with grades 2, 4 and 6 with weights 0, 1 and 2 and all out of 10. then doubled to be out of 20.
$this->helper_test_grade_agg_method($grade_category, $grade_items, $grade_grades, GRADE_AGGREGATE_WEIGHTED_MEAN, 'GRADE_AGGREGATE_WEIGHTED_MEAN', 10, 10);
// Simple weighted mean.
// 3 items with grades 2, 4 and 6 equally weighted and all out of 10. then doubled to be out of 20.
$this->helper_test_grade_agg_method($grade_category, $grade_items, $grade_grades, GRADE_AGGREGATE_WEIGHTED_MEAN2, 'GRADE_AGGREGATE_WEIGHTED_MEAN2', 8, 10);
// Mean of grades with extra credit.
// 3 items with grades 2, 4 and 6 with extra credit 0, 1 and 2 equally weighted and all out of 10. then doubled to be out of 20.
$this->helper_test_grade_agg_method($grade_category, $grade_items, $grade_grades, GRADE_AGGREGATE_EXTRACREDIT_MEAN, 'GRADE_AGGREGATE_EXTRACREDIT_MEAN', 10, 13);
// Aggregation tests the are affected by a hidden grade currently dont work as we dont store the altered grade in the database
// instead an in memory recalculation is done. This should be remedied by MDL-11837.
// Fails with 1 grade hidden. still reports 8 as being correct.
$this->helper_test_grade_agg_method($grade_category, $grade_items, $grade_grades, GRADE_AGGREGATE_MEAN, 'GRADE_AGGREGATE_MEAN', 8, 10);
// Fails with 1 grade hidden. still reports 4 as being correct.
$this->helper_test_grade_agg_method($grade_category, $grade_items, $grade_grades, GRADE_AGGREGATE_MIN, 'GRADE_AGGREGATE_MIN', 4, 8);
// Fails with 1 grade hidden. still reports 12 as being correct.
$this->helper_test_grade_agg_method($grade_category, $grade_items, $grade_grades, GRADE_AGGREGATE_SUM, 'GRADE_AGGREGATE_SUM', 12, 10);
}
/**
* Test grade category aggregation using the supplied grade objects and aggregation method
* @param grade_category $grade_category the category to be tested
* @param array $grade_items array of instance of grade_item
* @param array $grade_grades array of instances of grade_grade
* @param int $aggmethod the aggregation method to apply ie GRADE_AGGREGATE_MEAN
* @param string $aggmethodname the name of the aggregation method to apply. Used to display any test failure messages
* @param int $correct1 the correct final grade for the category with NO items hidden
* @param int $correct2 the correct final grade for the category with the grade at $grade_grades[0] hidden
* @return void
*/
protected function helper_test_grade_agg_method($grade_category, $grade_items, $grade_grades, $aggmethod, $aggmethodname, $correct1, $correct2) {
$grade_category->aggregation = $aggmethod;
$grade_category->update();
// Check grade_item isnt hidden from a previous test.
$grade_items[0]->set_hidden(0, true);
$this->helper_test_grade_aggregation_result($grade_category, $correct1, 'Testing aggregation method('.$aggmethodname.') with no items hidden %s');
// Hide the grade item with grade of 2.
$grade_items[0]->set_hidden(1, true);
$this->helper_test_grade_aggregation_result($grade_category, $correct2, 'Testing aggregation method('.$aggmethodname.') with 1 item hidden %s');
}
/**
* Verify the value of the category grade item for $this->userid
* @param grade_category $grade_category the category to be tested
* @param int $correctgrade the expected grade
* @param string msg The message that should be displayed if the correct grade is not found
* @return void
*/
protected function helper_test_grade_aggregation_result($grade_category, $correctgrade, $msg) {
global $DB;
$category_grade_item = $grade_category->get_grade_item();
// This creates all the grade_grades we need.
grade_regrade_final_grades($this->courseid);
$grade = $DB->get_record('grade_grades', array('itemid'=>$category_grade_item->id, 'userid'=>$this->userid));
$this->assertWithinMargin($grade->rawgrade, $grade->rawgrademin, $grade->rawgrademax);
$this->assertEquals(intval($correctgrade), intval($grade->finalgrade), $msg);
/*
* TODO this doesnt work as the grade_grades created by $grade_category->generate_grades(); dont
* observe the category's max grade
// delete the grade_grades for the category itself and check they get recreated correctly.
$DB->delete_records('grade_grades', array('itemid'=>$category_grade_item->id));
$grade_category->generate_grades();
$grade = $DB->get_record('grade_grades', array('itemid'=>$category_grade_item->id, 'userid'=>$this->userid));
$this->assertWithinMargin($grade->rawgrade, $grade->rawgrademin, $grade->rawgrademax);
$this->assertEquals(intval($correctgrade), intval($grade->finalgrade), $msg);
*
*/
}
protected function sub_test_grade_category_aggregate_grades() {
$category = new grade_category($this->grade_categories[0]);
$this->assertTrue(method_exists($category, 'aggregate_grades'));
// Tested more fully via test_grade_category_generate_grades().
}
protected function sub_test_grade_category_apply_limit_rules() {
$items[$this->grade_items[0]->id] = new grade_item($this->grade_items[0], false);
$items[$this->grade_items[1]->id] = new grade_item($this->grade_items[1], false);
$items[$this->grade_items[2]->id] = new grade_item($this->grade_items[2], false);
$items[$this->grade_items[4]->id] = new grade_item($this->grade_items[4], false);
// Test excluding the lowest 2 out of 4 grades from aggregation with no 0 grades.
$category = new grade_category();
$category->droplow = 2;
$grades = array($this->grade_items[0]->id=>5.374,
$this->grade_items[1]->id=>9.4743,
$this->grade_items[2]->id=>2.5474,
$this->grade_items[4]->id=>7.3754);
$category->apply_limit_rules($grades, $items);
$this->assertEquals(count($grades), 2);
$this->assertEquals($grades[$this->grade_items[1]->id], 9.4743);
$this->assertEquals($grades[$this->grade_items[4]->id], 7.3754);
// Test aggregating only the highest 1 out of 4 grades.
$category = new grade_category();
$category->keephigh = 1;
$category->droplow = 0;
$grades = array($this->grade_items[0]->id=>5.374,
$this->grade_items[1]->id=>9.4743,
$this->grade_items[2]->id=>2.5474,
$this->grade_items[4]->id=>7.3754);
$category->apply_limit_rules($grades, $items);
$this->assertEquals(count($grades), 1);
$grade = reset($grades);
$this->assertEquals(9.4743, $grade);
// Test excluding the lowest 2 out of 4 grades from aggregation with no 0 grades.
// An extra credit grade item should be kept even if droplow means it would otherwise be excluded.
$category = new grade_category();
$category->droplow = 2;
$category->aggregation = GRADE_AGGREGATE_SUM;
$items[$this->grade_items[2]->id]->aggregationcoef = 1; // Mark grade item 2 as "extra credit".
$grades = array($this->grade_items[0]->id=>5.374,
$this->grade_items[1]->id=>9.4743,
$this->grade_items[2]->id=>2.5474,
$this->grade_items[4]->id=>7.3754);
$category->apply_limit_rules($grades, $items);
$this->assertEquals(count($grades), 2);
$this->assertEquals($grades[$this->grade_items[1]->id], 9.4743);
$this->assertEquals($grades[$this->grade_items[2]->id], 2.5474);
// Test only aggregating the highest 1 out of 4 grades.
// An extra credit grade item is retained in addition to the highest grade.
$category = new grade_category();
$category->keephigh = 1;
$category->droplow = 0;
$category->aggregation = GRADE_AGGREGATE_SUM;
$items[$this->grade_items[2]->id]->aggregationcoef = 1; // Mark grade item 2 as "extra credit".
$grades = array($this->grade_items[0]->id=>5.374,
$this->grade_items[1]->id=>9.4743,
$this->grade_items[2]->id=>2.5474,
$this->grade_items[4]->id=>7.3754);
$category->apply_limit_rules($grades, $items);
$this->assertEquals(count($grades), 2);
$this->assertEquals($grades[$this->grade_items[1]->id], 9.4743);
$this->assertEquals($grades[$this->grade_items[2]->id], 2.5474);
// Test excluding the lowest 1 out of 4 grades from aggregation with two 0 grades.
$items[$this->grade_items[2]->id]->aggregationcoef = 0; // Undo marking grade item 2 as "extra credit".
$category = new grade_category();
$category->droplow = 1;
$category->aggregation = GRADE_AGGREGATE_WEIGHTED_MEAN2; // Simple weighted mean.
$grades = array($this->grade_items[0]->id=>0, // 0 out of 110. Should be excluded from aggregation.
$this->grade_items[1]->id=>5, // 5 out of 100.
$this->grade_items[2]->id=>2, // 0 out of 6.
$this->grade_items[4]->id=>0); // 0 out of 100.
$category->apply_limit_rules($grades, $items);
$this->assertEquals(count($grades), 3);
$this->assertEquals($grades[$this->grade_items[1]->id], 5);
$this->assertEquals($grades[$this->grade_items[2]->id], 2);
$this->assertEquals($grades[$this->grade_items[4]->id], 0);
// Test excluding the lowest 2 out of 4 grades from aggregation with three 0 grades.
$category = new grade_category();
$category->droplow = 2;
$category->aggregation = GRADE_AGGREGATE_WEIGHTED_MEAN2; // Simple weighted mean.
$grades = array($this->grade_items[0]->id=>0, // 0 out of 110. Should be excluded from aggregation.
$this->grade_items[1]->id=>5, // 5 out of 100.
$this->grade_items[2]->id=>0, // 0 out of 6.
$this->grade_items[4]->id=>0); // 0 out of 100. Should be excluded from aggregation.
$category->apply_limit_rules($grades, $items);
$this->assertEquals(count($grades), 2);
$this->assertEquals($grades[$this->grade_items[1]->id], 5);
$this->assertEquals($grades[$this->grade_items[2]->id], 0);
// Test excluding the lowest 5 out of 4 grades from aggregation.
// Just to check we handle this sensibly.
$category = new grade_category();
$category->droplow = 5;
$category->aggregation = GRADE_AGGREGATE_WEIGHTED_MEAN2; // Simple weighted mean.
$grades = array($this->grade_items[0]->id=>0, // 0 out of 110. Should be excluded from aggregation.
$this->grade_items[1]->id=>5, // 5 out of 100.
$this->grade_items[2]->id=>6, // 6 out of 6.
$this->grade_items[4]->id=>1);// 1 out of 100. Should be excluded from aggregation.
$category->apply_limit_rules($grades, $items);
$this->assertEquals(count($grades), 0);
// Test excluding the lowest 4 out of 4 grades from aggregation with one marked as extra credit.
$category = new grade_category();
$category->droplow = 4;
$category->aggregation = GRADE_AGGREGATE_WEIGHTED_MEAN2; // Simple weighted mean.
$items[$this->grade_items[2]->id]->aggregationcoef = 1; // Mark grade item 2 as "extra credit".
$grades = array($this->grade_items[0]->id=>0, // 0 out of 110. Should be excluded from aggregation.
$this->grade_items[1]->id=>5, // 5 out of 100. Should be excluded from aggregation.
$this->grade_items[2]->id=>6, // 6 out of 6. Extra credit. Should be retained.
$this->grade_items[4]->id=>1);// 1 out of 100. Should be excluded from aggregation.
$category->apply_limit_rules($grades, $items);
$this->assertEquals(count($grades), 1);
$this->assertEquals($grades[$this->grade_items[2]->id], 6);
// MDL-35667 - There was an infinite loop if several items had the same grade and at least one was extra credit.
$category = new grade_category();
$category->droplow = 1;
$category->aggregation = GRADE_AGGREGATE_WEIGHTED_MEAN2; // Simple weighted mean.
$items[$this->grade_items[1]->id]->aggregationcoef = 1; // Mark grade item 1 as "extra credit".
$grades = array($this->grade_items[0]->id=>1, // 1 out of 110. Should be excluded from aggregation.
$this->grade_items[1]->id=>1, // 1 out of 100. Extra credit. Should be retained.
$this->grade_items[2]->id=>1, // 1 out of 6. Should be retained.
$this->grade_items[4]->id=>1);// 1 out of 100. Should be retained.
$category->apply_limit_rules($grades, $items);
$this->assertEquals(count($grades), 3);
$this->assertEquals($grades[$this->grade_items[1]->id], 1);
$this->assertEquals($grades[$this->grade_items[2]->id], 1);
$this->assertEquals($grades[$this->grade_items[4]->id], 1);
}
protected function sub_test_grade_category_is_aggregationcoef_used() {
$category = new grade_category();
// Following use aggregationcoef.
$category->aggregation = GRADE_AGGREGATE_WEIGHTED_MEAN;
$this->assertTrue($category->is_aggregationcoef_used());
$category->aggregation = GRADE_AGGREGATE_WEIGHTED_MEAN2;
$this->assertTrue($category->is_aggregationcoef_used());
$category->aggregation = GRADE_AGGREGATE_EXTRACREDIT_MEAN;
$this->assertTrue($category->is_aggregationcoef_used());
$category->aggregation = GRADE_AGGREGATE_SUM;
$this->assertTrue($category->is_aggregationcoef_used());
// Following don't use aggregationcoef.
$category->aggregation = GRADE_AGGREGATE_MAX;
$this->assertFalse($category->is_aggregationcoef_used());
$category->aggregation = GRADE_AGGREGATE_MEAN;
$this->assertFalse($category->is_aggregationcoef_used());
$category->aggregation = GRADE_AGGREGATE_MEDIAN;
$this->assertFalse($category->is_aggregationcoef_used());
$category->aggregation = GRADE_AGGREGATE_MIN;
$this->assertFalse($category->is_aggregationcoef_used());
$category->aggregation = GRADE_AGGREGATE_MODE;
$this->assertFalse($category->is_aggregationcoef_used());
}
protected function sub_test_grade_category_aggregation_uses_aggregationcoef() {
$this->assertTrue(grade_category::aggregation_uses_aggregationcoef(GRADE_AGGREGATE_WEIGHTED_MEAN));
$this->assertTrue(grade_category::aggregation_uses_aggregationcoef(GRADE_AGGREGATE_WEIGHTED_MEAN2));
$this->assertTrue(grade_category::aggregation_uses_aggregationcoef(GRADE_AGGREGATE_EXTRACREDIT_MEAN));
$this->assertTrue(grade_category::aggregation_uses_aggregationcoef(GRADE_AGGREGATE_SUM));
$this->assertFalse(grade_category::aggregation_uses_aggregationcoef(GRADE_AGGREGATE_MAX));
$this->assertFalse(grade_category::aggregation_uses_aggregationcoef(GRADE_AGGREGATE_MEAN));
$this->assertFalse(grade_category::aggregation_uses_aggregationcoef(GRADE_AGGREGATE_MEDIAN));
$this->assertFalse(grade_category::aggregation_uses_aggregationcoef(GRADE_AGGREGATE_MIN));
$this->assertFalse(grade_category::aggregation_uses_aggregationcoef(GRADE_AGGREGATE_MODE));
}
protected function sub_test_grade_category_fetch_course_tree() {
$category = new grade_category();
$this->assertTrue(method_exists($category, 'fetch_course_tree'));
// TODO: add some tests.
}
protected function sub_test_grade_category_get_children() {
$course_category = grade_category::fetch_course_category($this->courseid);
$category = new grade_category($this->grade_categories[0]);
$this->assertTrue(method_exists($category, 'get_children'));
$children_array = $category->get_children(0);
$this->assertTrue(is_array($children_array));
$this->assertFalse(empty($children_array[2]));
$this->assertFalse(empty($children_array[2]['object']));
$this->assertFalse(empty($children_array[2]['children']));
$this->assertEquals($this->grade_categories[1]->id, $children_array[2]['object']->id);
$this->assertEquals($this->grade_categories[2]->id, $children_array[5]['object']->id);
$this->assertEquals($this->grade_items[0]->id, $children_array[2]['children'][3]['object']->id);
$this->assertEquals($this->grade_items[1]->id, $children_array[2]['children'][4]['object']->id);
$this->assertEquals($this->grade_items[2]->id, $children_array[5]['children'][6]['object']->id);
}
protected function sub_test_grade_category_load_grade_item() {
$category = new grade_category($this->grade_categories[0]);
$this->assertTrue(method_exists($category, 'load_grade_item'));
$this->assertEquals(null, $category->grade_item);
$category->load_grade_item();
$this->assertEquals($this->grade_items[3]->id, $category->grade_item->id);
}
protected function sub_test_grade_category_get_grade_item() {
$category = new grade_category($this->grade_categories[0]);
$this->assertTrue(method_exists($category, 'get_grade_item'));
$grade_item = $category->get_grade_item();
$this->assertEquals($this->grade_items[3]->id, $grade_item->id);
}
protected function sub_test_grade_category_load_parent_category() {
$category = new grade_category($this->grade_categories[1]);
$this->assertTrue(method_exists($category, 'load_parent_category'));
$this->assertEquals(null, $category->parent_category);
$category->load_parent_category();
$this->assertEquals($this->grade_categories[0]->id, $category->parent_category->id);
}
protected function sub_test_grade_category_get_parent_category() {
$category = new grade_category($this->grade_categories[1]);
$this->assertTrue(method_exists($category, 'get_parent_category'));
$parent_category = $category->get_parent_category();
$this->assertEquals($this->grade_categories[0]->id, $parent_category->id);
}
protected function sub_test_grade_category_get_name() {
$category = new grade_category($this->grade_categories[0]);
$this->assertTrue(method_exists($category, 'get_name'));
$this->assertEquals($this->grade_categories[0]->fullname, $category->get_name());
}
protected function sub_test_grade_category_set_parent() {
$category = new grade_category($this->grade_categories[1]);
$this->assertTrue(method_exists($category, 'set_parent'));
// TODO: implement detailed tests.
$course_category = grade_category::fetch_course_category($this->courseid);
$this->assertTrue($category->set_parent($course_category->id));
$this->assertEquals($course_category->id, $category->parent);
}
protected function sub_test_grade_category_get_final() {
$category = new grade_category($this->grade_categories[0]);
$this->assertTrue(method_exists($category, 'get_final'));
$category->load_grade_item();
$this->assertEquals($category->get_final(), $category->grade_item->get_final());
}
protected function sub_test_grade_category_get_sortorder() {
$category = new grade_category($this->grade_categories[0]);
$this->assertTrue(method_exists($category, 'get_sortorder'));
$category->load_grade_item();
$this->assertEquals($category->get_sortorder(), $category->grade_item->get_sortorder());
}
protected function sub_test_grade_category_set_sortorder() {
$category = new grade_category($this->grade_categories[0]);
$this->assertTrue(method_exists($category, 'set_sortorder'));
$category->load_grade_item();
$this->assertEquals($category->set_sortorder(10), $category->grade_item->set_sortorder(10));
}
protected function sub_test_grade_category_move_after_sortorder() {
$category = new grade_category($this->grade_categories[0]);
$this->assertTrue(method_exists($category, 'move_after_sortorder'));
$category->load_grade_item();
$this->assertEquals($category->move_after_sortorder(10), $category->grade_item->move_after_sortorder(10));
}
protected function sub_test_grade_category_is_course_category() {
$category = grade_category::fetch_course_category($this->courseid);
$this->assertTrue(method_exists($category, 'is_course_category'));
$this->assertTrue($category->is_course_category());
}
protected function sub_test_grade_category_fetch_course_category() {
$category = new grade_category();
$this->assertTrue(method_exists($category, 'fetch_course_category'));
$category = grade_category::fetch_course_category($this->courseid);
$this->assertTrue(empty($category->parent));
}
/**
* TODO implement
*/
protected function sub_test_grade_category_is_editable() {
}
protected function sub_test_grade_category_is_locked() {
$category = new grade_category($this->grade_categories[0]);
$this->assertTrue(method_exists($category, 'is_locked'));
$category->load_grade_item();
$this->assertEquals($category->is_locked(), $category->grade_item->is_locked());
}
protected function sub_test_grade_category_set_locked() {
$category = new grade_category($this->grade_categories[0]);
$this->assertTrue(method_exists($category, 'set_locked'));
// Will return false as cannot lock a grade that needs updating.
$this->assertFalse($category->set_locked(1));
grade_regrade_final_grades($this->courseid);
// Get the category from the db again.
$category = new grade_category($this->grade_categories[0]);
$this->assertTrue($category->set_locked(1));
}
protected function sub_test_grade_category_is_hidden() {
$category = new grade_category($this->grade_categories[0]);
$this->assertTrue(method_exists($category, 'is_hidden'));
$category->load_grade_item();
$this->assertEquals($category->is_hidden(), $category->grade_item->is_hidden());
}
protected function sub_test_grade_category_set_hidden() {
$category = new grade_category($this->grade_categories[0]);
$this->assertTrue(method_exists($category, 'set_hidden'));
$category->set_hidden(1, true);
$category->load_grade_item();
$this->assertEquals(true, $category->grade_item->is_hidden());
}
protected function sub_test_grade_category_can_control_visibility() {
$category = new grade_category($this->grade_categories[0]);
$this->assertTrue($category->can_control_visibility());
}
protected function sub_test_grade_category_insert_course_category() {
// Beware: adding a duplicate course category messes up the data in a way that's hard to recover from.
$grade_category = new grade_category();
$this->assertTrue(method_exists($grade_category, 'insert_course_category'));
$id = $grade_category->insert_course_category($this->courseid);
$this->assertNotNull($id);
$this->assertEquals('?', $grade_category->fullname);
$this->assertEquals(GRADE_AGGREGATE_WEIGHTED_MEAN2, $grade_category->aggregation);
$this->assertEquals("/$id/", $grade_category->path);
$this->assertEquals(1, $grade_category->depth);
$this->assertNull($grade_category->parent);
}
protected function generate_random_raw_grade($item, $userid) {
$grade = new grade_grade();
$grade->itemid = $item->id;
$grade->userid = $userid;
$grade->grademin = 0;
$grade->grademax = 1;
$valuetype = "grade$item->gradetype";
$grade->rawgrade = rand(0, 1000) / 1000;
$grade->insert();
return $grade->rawgrade;
}
protected function sub_test_grade_category_is_extracredit_used() {
$category = new grade_category();
// Following use aggregationcoef.
$category->aggregation = GRADE_AGGREGATE_WEIGHTED_MEAN2;
$this->assertTrue($category->is_extracredit_used());
$category->aggregation = GRADE_AGGREGATE_EXTRACREDIT_MEAN;
$this->assertTrue($category->is_extracredit_used());
$category->aggregation = GRADE_AGGREGATE_SUM;
$this->assertTrue($category->is_extracredit_used());
// Following don't use aggregationcoef.
$category->aggregation = GRADE_AGGREGATE_WEIGHTED_MEAN;
$this->assertFalse($category->is_extracredit_used());
$category->aggregation = GRADE_AGGREGATE_MAX;
$this->assertFalse($category->is_extracredit_used());
$category->aggregation = GRADE_AGGREGATE_MEAN;
$this->assertFalse($category->is_extracredit_used());
$category->aggregation = GRADE_AGGREGATE_MEDIAN;
$this->assertFalse($category->is_extracredit_used());
$category->aggregation = GRADE_AGGREGATE_MIN;
$this->assertFalse($category->is_extracredit_used());
$category->aggregation = GRADE_AGGREGATE_MODE;
$this->assertFalse($category->is_extracredit_used());
}
protected function sub_test_grade_category_aggregation_uses_extracredit() {
$this->assertTrue(grade_category::aggregation_uses_extracredit(GRADE_AGGREGATE_WEIGHTED_MEAN2));
$this->assertTrue(grade_category::aggregation_uses_extracredit(GRADE_AGGREGATE_EXTRACREDIT_MEAN));
$this->assertTrue(grade_category::aggregation_uses_extracredit(GRADE_AGGREGATE_SUM));
$this->assertFalse(grade_category::aggregation_uses_extracredit(GRADE_AGGREGATE_WEIGHTED_MEAN));
$this->assertFalse(grade_category::aggregation_uses_extracredit(GRADE_AGGREGATE_MAX));
$this->assertFalse(grade_category::aggregation_uses_extracredit(GRADE_AGGREGATE_MEAN));
$this->assertFalse(grade_category::aggregation_uses_extracredit(GRADE_AGGREGATE_MEDIAN));
$this->assertFalse(grade_category::aggregation_uses_extracredit(GRADE_AGGREGATE_MIN));
$this->assertFalse(grade_category::aggregation_uses_extracredit(GRADE_AGGREGATE_MODE));
}
/**
* Test for category total visibility.
*/
protected function sub_test_grade_category_total_visibility() {
// 15 is a manual grade item in grade_categories[5].
$category = new grade_category($this->grade_categories[5], true);
$gradeitem = new grade_item($this->grade_items[15], true);
// Hide grade category.
$category->set_hidden(true, true);
$this->assertTrue($category->is_hidden());
// Category total is hidden.
$categorytotal = $category->get_grade_item();
$this->assertTrue($categorytotal->is_hidden());
// Manual grade is hidden.
$gradeitem->update_from_db();
$this->assertTrue($gradeitem->is_hidden());
// Unhide manual grade item.
$gradeitem->set_hidden(false);
$this->assertFalse($gradeitem->is_hidden());
// Category is unhidden.
$category->update_from_db();
$this->assertFalse($category->is_hidden());
// Category total remain hidden.
$categorytotal = $category->get_grade_item();
$this->assertTrue($categorytotal->is_hidden());
// Edit manual grade item.
$this->assertFalse($gradeitem->is_locked());
$gradeitem->set_locked(true);
$gradeitem->update_from_db();
$this->assertTrue($gradeitem->is_locked());
// Category total should still be hidden.
$category->update_from_db();
$categorytotal = $category->get_grade_item();
$this->assertTrue($categorytotal->is_hidden());
}
}