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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 core indicators.
*
* @package core
* @category analytics
* @copyright 2017 David Monllaó {@link http://www.davidmonllao.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once(__DIR__ . '/../../analytics/tests/fixtures/test_target_shortname.php');
require_once(__DIR__ . '/../../admin/tool/log/store/standard/tests/fixtures/event.php');
require_once(__DIR__ . '/../../lib/enrollib.php');
/**
* Unit tests for core indicators.
*
* @package core
* @category analytics
* @copyright 2017 David Monllaó {@link http://www.davidmonllao.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class core_analytics_indicators_testcase extends advanced_testcase {
/**
* Test all core indicators.
*
* Single method as it is significantly faster (from 13s to 5s) than having separate
* methods because of preventResetByRollback.
*
* @return void
*/
public function test_core_indicators() {
global $DB;
$this->preventResetByRollback();
$this->resetAfterTest(true);
$this->setAdminuser();
set_config('enabled_stores', 'logstore_standard', 'tool_log');
set_config('buffersize', 0, 'logstore_standard');
$user1 = $this->getDataGenerator()->create_user();
$user2 = $this->getDataGenerator()->create_user();
// Test any access after end.
$params = array(
'startdate' => mktime(0, 0, 0, 10, 24, 2015),
'enddate' => mktime(0, 0, 0, 10, 24, 2016)
);
$course = $this->getDataGenerator()->create_course($params);
$coursecontext = \context_course::instance($course->id);
$this->getDataGenerator()->enrol_user($user1->id, $course->id);
$indicator = new \core\analytics\indicator\any_access_after_end();
$sampleids = array($user1->id => $user1->id, $user2->id => $user2->id);
$data = array($user1->id => array(
'context' => $coursecontext,
'course' => $course,
'user' => $user1
));
$data[$user2->id] = $data[$user1->id];
$data[$user2->id]['user'] = $user2;
$indicator->add_sample_data($data);
list($values, $unused) = $indicator->calculate($sampleids, 'notrelevanthere');
$this->assertEquals($indicator::get_min_value(), $values[$user1->id][0]);
$this->assertEquals($indicator::get_min_value(), $values[$user2->id][0]);
\logstore_standard\event\unittest_executed::create(
array('context' => $coursecontext, 'userid' => $user1->id))->trigger();
list($values, $unused) = $indicator->calculate($sampleids, 'notrelevanthere');
$this->assertEquals($indicator::get_max_value(), $values[$user1->id][0]);
$this->assertEquals($indicator::get_min_value(), $values[$user2->id][0]);
// Test any access before start.
$params = array(
'startdate' => 9999999998,
'enddate' => 9999999999
);
// Resetting $course var.
$course = $this->getDataGenerator()->create_course($params);
$coursecontext = \context_course::instance($course->id);
$this->getDataGenerator()->enrol_user($user1->id, $course->id);
$indicator = new \core\analytics\indicator\any_access_before_start();
$sampleids = array($user1->id => $user1->id, $user2->id => $user2->id);
$data = array($user1->id => array(
'context' => $coursecontext,
'course' => $course,
'user' => $user1
));
$data[$user2->id] = $data[$user1->id];
$data[$user2->id]['user'] = $user2;
$indicator->add_sample_data($data);
list($values, $unused) = $indicator->calculate($sampleids, 'notrelevanthere');
$this->assertEquals($indicator::get_min_value(), $values[$user1->id][0]);
$this->assertEquals($indicator::get_min_value(), $values[$user2->id][0]);
\logstore_standard\event\unittest_executed::create(
array('context' => $coursecontext, 'userid' => $user1->id))->trigger();
list($values, $unused) = $indicator->calculate($sampleids, 'notrelevanthere');
$this->assertEquals($indicator::get_max_value(), $values[$user1->id][0]);
$this->assertEquals($indicator::get_min_value(), $values[$user2->id][0]);
// Test any course access.
$course = $this->getDataGenerator()->create_course($params);
$coursecontext = \context_course::instance($course->id);
$this->getDataGenerator()->enrol_user($user1->id, $course->id);
$indicator = new \core\analytics\indicator\any_course_access();
$sampleids = array($user1->id => $user1->id);
$data = array($user1->id => array(
'course' => $course,
'user' => $user1
));
$indicator->add_sample_data($data);
$analysable = new \core_analytics\course($course);
// Min value if no user_lastaccess records.
$indicator->fill_per_analysable_caches($analysable);
list($values, $unused) = $indicator->calculate($sampleids, 'notrelevanthere');
$this->assertEquals($indicator::get_min_value(), $values[$user1->id][0]);
list($values, $unused) = $indicator->calculate($sampleids, 'notrelevanthere', time() - 10, time() + 10);
$this->assertEquals($indicator::get_min_value(), $values[$user1->id][0]);
// Any access is enough if no time restrictions.
$DB->insert_record('user_lastaccess', array('userid' => $user1->id,
'courseid' => $course->id, 'timeaccess' => time() - 1));
$indicator->fill_per_analysable_caches($analysable);
list($values, $unused) = $indicator->calculate($sampleids, 'notrelevanthere');
$this->assertEquals($indicator::get_max_value(), $values[$user1->id][0]);
// Min value if the existing records are old.
$indicator->fill_per_analysable_caches($analysable);
list($values, $unused) = $indicator->calculate($sampleids, 'notrelevanthere', time(), time() + 10);
$this->assertEquals($indicator::get_min_value(), $values[$user1->id][0]);
list($values, $unused) = $indicator->calculate($sampleids, 'notrelevanthere', time());
$this->assertEquals($indicator::get_min_value(), $values[$user1->id][0]);
// Max value if the existing records are prior to end.
list($values, $unused) = $indicator->calculate($sampleids, 'notrelevanthere', time() - 10, time());
$this->assertEquals($indicator::get_max_value(), $values[$user1->id][0]);
list($values, $unused) = $indicator->calculate($sampleids, 'notrelevanthere', false, time());
$this->assertEquals($indicator::get_max_value(), $values[$user1->id][0]);
list($values, $unused) = $indicator->calculate($sampleids, 'notrelevanthere', false, time());
$this->assertEquals($indicator::get_max_value(), $values[$user1->id][0]);
// Max value if no end time and existing user_lastaccess record.
list($values, $unused) = $indicator->calculate($sampleids, 'notrelevanthere', time() - 10);
$this->assertEquals($indicator::get_max_value(), $values[$user1->id][0]);
// Rely on logs if the last time access is after the end time.
list($values, $unused) = $indicator->calculate($sampleids, 'notrelevanthere', false, time() - 10);
// Min value if no logs are found.
$this->assertEquals($indicator::get_min_value(), $values[$user1->id][0]);
\logstore_standard\event\unittest_executed::create(
array('context' => \context_course::instance($course->id), 'userid' => $user1->id))->trigger();
// Max value if logs are found before the end time.
list($values, $unused) = $indicator->calculate($sampleids, 'notrelevanthere', false, time() + 10);
$this->assertEquals($indicator::get_max_value(), $values[$user1->id][0]);
// Test any write action.
$course1 = $this->getDataGenerator()->create_course();
$coursecontext1 = \context_course::instance($course1->id);
$course2 = $this->getDataGenerator()->create_course();
$coursecontext2 = \context_course::instance($course2->id);
$this->getDataGenerator()->enrol_user($user1->id, $course2->id);
$indicator = new \core\analytics\indicator\any_write_action();
$sampleids = array($user1->id => $user1->id, $user2->id => $user2->id);
$data = array($user1->id => array(
'context' => $coursecontext1,
'course' => $course1,
'user' => $user1
));
$data[$user2->id] = $data[$user1->id];
$data[$user2->id]['user'] = $user2;
$indicator->add_sample_data($data);
list($values, $unused) = $indicator->calculate($sampleids, 'user');
$this->assertEquals($indicator::get_min_value(), $values[$user1->id][0]);
$this->assertEquals($indicator::get_min_value(), $values[$user2->id][0]);
$beforecourseeventcreate = time();
sleep(1);
\logstore_standard\event\unittest_executed::create(
array('context' => $coursecontext1, 'userid' => $user1->id))->trigger();
list($values, $unused) = $indicator->calculate($sampleids, 'user');
$this->assertEquals($indicator::get_max_value(), $values[$user1->id][0]);
$this->assertEquals($indicator::get_min_value(), $values[$user2->id][0]);
// Now try with course-level samples where user is not available.
$sampleids = array($course1->id => $course1->id, $course2->id => $course2->id);
$data = array(
$course1->id => array(
'context' => $coursecontext1,
'course' => $course1,
),
$course2->id => array(
'context' => $coursecontext2,
'course' => $course2,
)
);
$indicator->clear_sample_data();
$indicator->add_sample_data($data);
// Limited by time to avoid previous logs interfering as other logs
// have been generated by the system.
list($values, $unused) = $indicator->calculate($sampleids, 'course', $beforecourseeventcreate);
$this->assertEquals($indicator::get_max_value(), $values[$course1->id][0]);
$this->assertEquals($indicator::get_min_value(), $values[$course2->id][0]);
// Test any write action in the course.
$course1 = $this->getDataGenerator()->create_course();
$coursecontext1 = \context_course::instance($course1->id);
$activity1 = $this->getDataGenerator()->create_module('forum', array('course' => $course1->id));
$activity1context = \context_module::instance($activity1->cmid);
$course2 = $this->getDataGenerator()->create_course();
$coursecontext2 = \context_course::instance($course2->id);
$this->getDataGenerator()->enrol_user($user1->id, $course2->id);
$indicator = new \core\analytics\indicator\any_write_action_in_course();
$sampleids = array($user1->id => $user1->id, $user2->id => $user2->id);
$data = array($user1->id => array(
'context' => $coursecontext1,
'course' => $course1,
'user' => $user1
));
$data[$user2->id] = $data[$user1->id];
$data[$user2->id]['user'] = $user2;
$indicator->add_sample_data($data);
list($values, $unused) = $indicator->calculate($sampleids, 'user');
$this->assertEquals($indicator::get_min_value(), $values[$user1->id][0]);
$this->assertEquals($indicator::get_min_value(), $values[$user2->id][0]);
$beforecourseeventcreate = time();
sleep(1);
\logstore_standard\event\unittest_executed::create(
array('context' => $activity1context, 'userid' => $user1->id))->trigger();
list($values, $unused) = $indicator->calculate($sampleids, 'user');
$this->assertEquals($indicator::get_max_value(), $values[$user1->id][0]);
$this->assertEquals($indicator::get_min_value(), $values[$user2->id][0]);
// Now try with course-level samples where user is not available.
$sampleids = array($course1->id => $course1->id, $course2->id => $course2->id);
$data = array(
$course1->id => array(
'context' => $coursecontext1,
'course' => $course1,
),
$course2->id => array(
'context' => $coursecontext2,
'course' => $course2,
)
);
$indicator->clear_sample_data();
$indicator->add_sample_data($data);
// Limited by time to avoid previous logs interfering as other logs
// have been generated by the system.
list($values, $unused) = $indicator->calculate($sampleids, 'course', $beforecourseeventcreate);
$this->assertEquals($indicator::get_max_value(), $values[$course1->id][0]);
$this->assertEquals($indicator::get_min_value(), $values[$course2->id][0]);
// Test read actions.
$course = $this->getDataGenerator()->create_course();
$coursecontext = \context_course::instance($course->id);
$this->getDataGenerator()->enrol_user($user1->id, $course->id);
$indicator = new \core\analytics\indicator\read_actions();
$sampleids = array($user1->id => $user1->id, $user2->id => $user2->id);
$data = array($user1->id => array(
'context' => $coursecontext,
'course' => $course,
'user' => $user1
));
$data[$user2->id] = $data[$user1->id];
$data[$user2->id]['user'] = $user2;
$indicator->add_sample_data($data);
// More or less 4 weeks duration.
$startdate = time() - (WEEKSECS * 2);
$enddate = time() + (WEEKSECS * 2);
$this->setAdminUser();
list($values, $unused) = $indicator->calculate($sampleids, 'user');
$this->assertNull($values[$user1->id][0]);
$this->assertNull($values[$user1->id][1]);
$this->assertNull($values[$user1->id][0]);
$this->assertNull($values[$user2->id][1]);
// Zero score for 0 accesses.
list($values, $unused) = $indicator->calculate($sampleids, 'user', $startdate, $enddate);
$this->assertEquals($indicator::get_min_value(), $values[$user1->id][0]);
$this->assertEquals($indicator::get_min_value(), $values[$user2->id][0]);
// 1/3 score for more than 0 accesses.
\core\event\course_viewed::create(
array('context' => $coursecontext, 'userid' => $user1->id))->trigger();
list($values, $unused) = $indicator->calculate($sampleids, 'user', $startdate, $enddate);
$this->assertEquals(-0.33, $values[$user1->id][0]);
$this->assertEquals($indicator::get_min_value(), $values[$user2->id][0]);
// 2/3 score for more than 1 access per week.
for ($i = 0; $i < 12; $i++) {
\core\event\course_viewed::create(
array('context' => $coursecontext, 'userid' => $user1->id))->trigger();
}
list($values, $unused) = $indicator->calculate($sampleids, 'user', $startdate, $enddate);
$this->assertEquals(0.33, $values[$user1->id][0]);
$this->assertEquals($indicator::get_min_value(), $values[$user2->id][0]);
// 100% score for tons of accesses during this period (3 logs per access * 4 weeks * 10 accesses).
for ($i = 0; $i < (3 * 10 * 4); $i++) {
\core\event\course_viewed::create(
array('context' => $coursecontext, 'userid' => $user1->id))->trigger();
}
list($values, $unused) = $indicator->calculate($sampleids, 'user', $startdate, $enddate);
$this->assertEquals($indicator::get_max_value(), $values[$user1->id][0]);
$this->assertEquals($indicator::get_min_value(), $values[$user2->id][0]);
set_config('enabled_stores', '', 'tool_log');
get_log_manager(true);
}
}