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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 analysers.
*
* @package core
* @category test
* @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_course_level_shortname.php');
require_once(__DIR__ . '/../../analytics/tests/fixtures/test_target_shortname.php');
require_once(__DIR__ . '/fixtures/deprecated_analyser.php');
require_once(__DIR__ . '/../../lib/enrollib.php');
/**
* Unit tests for core analysers.
*
* @package core
* @category test
* @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_analysers_testcase extends advanced_testcase {
/**
* test_courses_analyser
*
* @return void
*/
public function test_courses_analyser() {
$this->resetAfterTest(true);
$course1 = $this->getDataGenerator()->create_course();
$coursecontext = \context_course::instance($course1->id);
$target = new test_target_shortname();
$analyser = new \core\analytics\analyser\courses(1, $target, [], [], []);
$analysable = new \core_analytics\course($course1);
$this->assertInstanceOf('\core_analytics\course', $analyser->get_sample_analysable($course1->id));
$this->assertInstanceOf('\context_course', $analyser->sample_access_context($course1->id));
// Just 1 sample per course.
$class = new ReflectionClass('\core\analytics\analyser\courses');
$method = $class->getMethod('get_all_samples');
$method->setAccessible(true);
list($sampleids, $samplesdata) = $method->invoke($analyser, $analysable);
$this->assertCount(1, $sampleids);
$sampleid = reset($sampleids);
$this->assertEquals($course1->id, $sampleid);
$this->assertEquals($course1->fullname, $samplesdata[$sampleid]['course']->fullname);
$this->assertEquals($coursecontext, $samplesdata[$sampleid]['context']);
// To compare it later.
$prevsampledata = $samplesdata[$sampleid];
list($sampleids, $samplesdata) = $analyser->get_samples(array($sampleid));
$this->assertEquals($prevsampledata['context'], $samplesdata[$sampleid]['context']);
$this->assertEquals($prevsampledata['course']->shortname, $samplesdata[$sampleid]['course']->shortname);
// Context restriction.
$category1 = $this->getDataGenerator()->create_category();
$category1context = \context_coursecat::instance($category1->id);
$category2 = $this->getDataGenerator()->create_category();
$category2context = \context_coursecat::instance($category2->id);
$course2 = $this->getDataGenerator()->create_course(['category' => $category1->id]);
$course3 = $this->getDataGenerator()->create_course(['category' => $category2->id]);
$this->assertCount(2, $analyser->get_analysables_iterator(false, [$category1context, $category2context]));
}
/**
* test_site_courses_analyser
*
* @return void
*/
public function test_site_courses_analyser() {
$this->resetAfterTest(true);
$course1 = $this->getDataGenerator()->create_course();
$course2 = $this->getDataGenerator()->create_course();
$course3 = $this->getDataGenerator()->create_course();
$course1context = \context_course::instance($course1->id);
$target = new test_target_shortname();
$analyser = new \core\analytics\analyser\site_courses(1, $target, [], [], []);
$analysable = new \core_analytics\site();
$this->assertInstanceOf('\core_analytics\site', $analyser->get_sample_analysable($course1->id));
$this->assertInstanceOf('\core_analytics\site', $analyser->get_sample_analysable($course2->id));
$this->assertInstanceOf('\context_system', $analyser->sample_access_context($course1->id));
$this->assertInstanceOf('\context_system', $analyser->sample_access_context($course3->id));
$class = new ReflectionClass('\core\analytics\analyser\site_courses');
$method = $class->getMethod('get_all_samples');
$method->setAccessible(true);
list($sampleids, $samplesdata) = $method->invoke($analyser, $analysable);
$this->assertCount(3, $sampleids);
// Use course1 it does not really matter.
$this->assertArrayHasKey($course1->id, $sampleids);
$sampleid = $course1->id;
$this->assertEquals($course1->id, $sampleid);
$this->assertEquals($course1->fullname, $samplesdata[$sampleid]['course']->fullname);
$this->assertEquals($course1context, $samplesdata[$sampleid]['context']);
// To compare it later.
$prevsampledata = $samplesdata[$sampleid];
list($sampleids, $samplesdata) = $analyser->get_samples(array($sampleid));
$this->assertEquals($prevsampledata['context'], $samplesdata[$sampleid]['context']);
$this->assertEquals($prevsampledata['course']->shortname, $samplesdata[$sampleid]['course']->shortname);
}
/**
* test_student_enrolments_analyser
*
* @return void
*/
public function test_student_enrolments_analyser() {
global $DB;
$this->resetAfterTest(true);
$course1 = $this->getDataGenerator()->create_course();
$course1context = \context_course::instance($course1->id);
$user1 = $this->getDataGenerator()->create_user();
$user2 = $this->getDataGenerator()->create_user();
$user3 = $this->getDataGenerator()->create_user();
// Checking that suspended users are also included.
$this->getDataGenerator()->enrol_user($user1->id, $course1->id, 'student');
$this->getDataGenerator()->enrol_user($user2->id, $course1->id, 'student', 'manual', 0, 0, ENROL_USER_SUSPENDED);
$this->getDataGenerator()->enrol_user($user3->id, $course1->id, 'editingteacher');
$enrol = $DB->get_record('enrol', array('courseid' => $course1->id, 'enrol' => 'manual'));
$ue1 = $DB->get_record('user_enrolments', array('userid' => $user1->id, 'enrolid' => $enrol->id));
$ue2 = $DB->get_record('user_enrolments', array('userid' => $user2->id, 'enrolid' => $enrol->id));
$target = new test_target_shortname();
$analyser = new \core\analytics\analyser\student_enrolments(1, $target, [], [], []);
$analysable = new \core_analytics\course($course1);
$this->assertInstanceOf('\core_analytics\course', $analyser->get_sample_analysable($ue1->id));
$this->assertInstanceOf('\context_course', $analyser->sample_access_context($ue1->id));
$class = new ReflectionClass('\core\analytics\analyser\student_enrolments');
$method = $class->getMethod('get_all_samples');
$method->setAccessible(true);
list($sampleids, $samplesdata) = $method->invoke($analyser, $analysable);
// Only students.
$this->assertCount(2, $sampleids);
$this->assertArrayHasKey($ue1->id, $sampleids);
$this->assertArrayHasKey($ue2->id, $sampleids);
// Shouldn't matter which one we select.
$sampleid = $ue1->id;
$this->assertEquals($ue1, $samplesdata[$sampleid]['user_enrolments']);
$this->assertEquals($course1->fullname, $samplesdata[$sampleid]['course']->fullname);
$this->assertEquals($course1context, $samplesdata[$sampleid]['context']);
$this->assertEquals($user1->firstname, $samplesdata[$sampleid]['user']->firstname);
// To compare it later.
$prevsampledata = $samplesdata[$sampleid];
list($sampleids, $samplesdata) = $analyser->get_samples(array($sampleid));
$this->assertEquals($prevsampledata['user_enrolments'], $samplesdata[$sampleid]['user_enrolments']);
$this->assertEquals($prevsampledata['context'], $samplesdata[$sampleid]['context']);
$this->assertEquals($prevsampledata['course']->shortname, $samplesdata[$sampleid]['course']->shortname);
$this->assertEquals($prevsampledata['user']->firstname, $samplesdata[$sampleid]['user']->firstname);
// Context restriction.
$category1 = $this->getDataGenerator()->create_category();
$category1context = \context_coursecat::instance($category1->id);
$category2 = $this->getDataGenerator()->create_category();
$category2context = \context_coursecat::instance($category2->id);
$course2 = $this->getDataGenerator()->create_course(['category' => $category1->id]);
$course3 = $this->getDataGenerator()->create_course(['category' => $category2->id]);
$this->assertCount(2, $analyser->get_analysables_iterator(false, [$category1context, $category2context]));
}
/**
* test_deprecated_analyser
*
* @return void
*/
public function test_deprecated_analyser() {
$target = new test_target_shortname();
$analyser = new deprecated_analyser(1, $target, [], [], []);
$analysables = $analyser->get_analysables_iterator();
$this->assertDebuggingCalled();
}
/**
* test_get_analysables_iterator description
*
* @return null
*/
public function test_get_analysables_iterator() {
global $DB;
$this->resetAfterTest(true);
$courses = array();
for ($i = 0; $i < 2; $i++) {
$course = $this->getDataGenerator()->create_course();
$analysable = new \core_analytics\course($course);
$courses[$analysable->get_id()] = $course;
}
// Check that the analysis performs as expected.
$modelid = 1;
$includetarget = false;
$target = new test_target_course_level_shortname();
$analyser = new \core\analytics\analyser\courses($modelid, $target, [], [], []);
$result = new \core_analytics\local\analysis\result_array($modelid, $includetarget, []);
$analysis = new \core_analytics\analysis($analyser, $includetarget, $result);
$analysis->run();
$params = array('modelid' => $modelid, 'action' => 'prediction');
$this->assertEquals(2, $DB->count_records('analytics_used_analysables', $params));
// Check that the previous records do not conflict with the includetarget == false ones.
$includetarget = true;
$target = new test_target_course_level_shortname();
$analyser = new \core\analytics\analyser\courses($modelid, $target, [], [], []);
$result = new \core_analytics\local\analysis\result_array($modelid, $includetarget, []);
$analysis = new \core_analytics\analysis($analyser, $includetarget, $result);
$analysis->run();
$params = array('modelid' => $modelid, 'action' => 'prediction');
$this->assertEquals(2, $DB->count_records('analytics_used_analysables', $params));
$params = array('modelid' => $modelid, 'action' => 'training');
$this->assertEquals(2, $DB->count_records('analytics_used_analysables', $params));
$params = array('modelid' => $modelid);
$this->assertEquals(4, $DB->count_records('analytics_used_analysables', $params));
// Check that other models' records do not conflict with previous records.
$prevmodelid = 1;
$modelid = 2;
$includetarget = false;
$target = new test_target_course_level_shortname();
$analyser = new \core\analytics\analyser\courses($modelid, $target, [], [], []);
$result = new \core_analytics\local\analysis\result_array($modelid, $includetarget, []);
$analysis = new \core_analytics\analysis($analyser, $includetarget, $result);
$analysis->run();
$params = array('modelid' => $prevmodelid);
$this->assertEquals(4, $DB->count_records('analytics_used_analysables', $params));
$params = array('modelid' => $modelid, 'action' => 'prediction');
$this->assertEquals(2, $DB->count_records('analytics_used_analysables', $params));
$this->assertEquals(6, $DB->count_records('analytics_used_analysables'));
$includetarget = true;
$target = new test_target_course_level_shortname();
$analyser = new \core\analytics\analyser\courses($modelid, $target, [], [], []);
$result = new \core_analytics\local\analysis\result_array($modelid, $includetarget, []);
$analysis = new \core_analytics\analysis($analyser, $includetarget, $result);
$analysis->run();
$params = array('modelid' => $prevmodelid);
$this->assertEquals(4, $DB->count_records('analytics_used_analysables', $params));
$params = array('modelid' => $modelid, 'action' => 'training');
$this->assertEquals(2, $DB->count_records('analytics_used_analysables', $params));
$this->assertEquals(8, $DB->count_records('analytics_used_analysables'));
}
}