Proyectos de Subversion Moodle

<?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.

//

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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

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// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

namespace core_analytics;

/**

 * Unit tests for the analysis class.

 *

 * @package   core_analytics

 * @copyright 2019 David Monllaó {@link http://www.davidmonllao.com}

 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class analysis_test extends \advanced_testcase {

    /**

     * Test fill_firstanalyses_cache.

     * @return null

     */

    public function test_fill_firstanalyses_cache(): void {

        require_once(__DIR__ . '/fixtures/test_timesplitting_upcoming_seconds.php');

        $this->resetAfterTest();

        $modelid = 1;

        $params = ['startdate' => (new \DateTimeImmutable('-5 seconds'))->getTimestamp()];

        $course1 = $this->getDataGenerator()->create_course($params);

        $course2 = $this->getDataGenerator()->create_course($params);

        $analysable1 = new \core_analytics\course($course1);

        $afewsecsago = time() - 5;

        $earliest = $afewsecsago - 1;

        $this->insert_used($modelid, $course1->id, 'training', $afewsecsago);

        // Course2 processed after course1.

        $this->insert_used($modelid, $course2->id, 'training', $afewsecsago + 1);

        // After the first process involving course1.

        $this->insert_used($modelid, $course1->id, 'prediction', $afewsecsago + 5);

        $firstanalyses = \core_analytics\analysis::fill_firstanalyses_cache($modelid);

        $this->assertCount(2, $firstanalyses);

        $this->assertEquals($afewsecsago, $firstanalyses[$modelid . '_' . $course1->id]);

        $this->assertEquals($afewsecsago + 1, $firstanalyses[$modelid . '_' . $course2->id]);

        // The cached elements get refreshed.

        $this->insert_used($modelid, $course1->id, 'prediction', $earliest);

        $firstanalyses = \core_analytics\analysis::fill_firstanalyses_cache($modelid, $course1->id);

        $this->assertCount(1, $firstanalyses);

        $this->assertEquals($earliest, $firstanalyses[$modelid . '_' . $course1->id]);

        // Upcoming periodic time-splitting methods can read and process the cached data.

        $seconds = new \test_timesplitting_upcoming_seconds();

        $seconds->set_modelid($modelid);

        $seconds->set_analysable($analysable1);

        // The generated ranges should start from the cached firstanalysis value, which is $earliest.

        $ranges = $seconds->get_all_ranges();

        $this->assertGreaterThanOrEqual(7, count($ranges));

        $firstrange = reset($ranges);

        $this->assertEquals($earliest, $firstrange['time']);

    }

    private function insert_used($modelid, $analysableid, $action, $timestamp) {

        global $DB;

        $obj = new \stdClass();

        $obj->modelid = $modelid;

        $obj->action = $action;

        $obj->analysableid = $analysableid;

        $obj->firstanalysis = $timestamp;

        $obj->timeanalysed = $timestamp;

        $obj->id = $DB->insert_record('analytics_used_analysables', $obj);

    }

}