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323 lines
12 KiB
323 lines
12 KiB
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Unit tests for core time splitting methods.
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*
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* @package core
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* @category analytics
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* @copyright 2017 David Monllaó {@link http://www.davidmonllao.com}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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defined('MOODLE_INTERNAL') || die();
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require_once(__DIR__ . '/../../analytics/tests/fixtures/test_timesplitting_seconds.php');
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require_once(__DIR__ . '/../../analytics/tests/fixtures/test_timesplitting_upcoming_seconds.php');
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require_once(__DIR__ . '/../../analytics/tests/fixtures/test_timesplitting_weekly.php');
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require_once(__DIR__ . '/../../lib/enrollib.php');
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/**
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* Unit tests for core time splitting methods.
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*
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* @package core
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* @category analytics
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* @copyright 2017 David Monllaó {@link http://www.davidmonllao.com}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class core_analytics_time_splittings_testcase extends advanced_testcase {
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/**
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* setUp
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*
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* @return void
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*/
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public function setUp() {
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$this->resetAfterTest(true);
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// Generate training data.
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$params = array(
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'startdate' => mktime(8, 15, 32, 10, 24, 2015),
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'enddate' => mktime(12, 12, 31, 10, 24, 2016),
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);
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$this->course = $this->getDataGenerator()->create_course($params);
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$this->analysable = new \core_analytics\course($this->course);
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}
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/**
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* test_ranges
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*
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* @return void
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*/
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public function test_valid_ranges() {
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// All core time splitting methods.
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$timesplittings = array(
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'\core\analytics\time_splitting\deciles',
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'\core\analytics\time_splitting\deciles_accum',
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'\core\analytics\time_splitting\no_splitting',
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'\core\analytics\time_splitting\quarters',
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'\core\analytics\time_splitting\quarters_accum',
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'\core\analytics\time_splitting\single_range',
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'\core\analytics\time_splitting\upcoming_week',
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);
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// Check that defined ranges are valid (tested through validate_ranges).
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foreach ($timesplittings as $timesplitting) {
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$instance = new $timesplitting();
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$instance->set_analysable($this->analysable);
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}
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}
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/**
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* test_range_dates
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*
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* @return void
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*/
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public function test_range_dates() {
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$nov2015 = mktime(0, 0, 0, 11, 24, 2015);
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$aug2016 = mktime(0, 0, 0, 8, 29, 2016);
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// Equal parts.
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$quarters = new \core\analytics\time_splitting\quarters();
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$quarters->set_analysable($this->analysable);
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$ranges = $quarters->get_all_ranges();
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$this->assertCount(4, $ranges);
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$this->assertCount(4, $quarters->get_training_ranges());
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$this->assertCount(4, $quarters->get_distinct_ranges());
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$this->assertGreaterThan($ranges[0]['start'], $ranges[1]['start']);
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$this->assertGreaterThan($ranges[0]['end'], $ranges[1]['start']);
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$this->assertGreaterThan($ranges[0]['end'], $ranges[1]['end']);
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$this->assertGreaterThan($ranges[1]['start'], $ranges[2]['start']);
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$this->assertGreaterThan($ranges[1]['end'], $ranges[2]['start']);
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$this->assertGreaterThan($ranges[1]['end'], $ranges[2]['end']);
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$this->assertGreaterThan($ranges[2]['start'], $ranges[3]['start']);
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$this->assertGreaterThan($ranges[2]['end'], $ranges[3]['end']);
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$this->assertGreaterThan($ranges[2]['end'], $ranges[3]['start']);
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// First range.
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$this->assertLessThan($nov2015, $ranges[0]['start']);
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$this->assertGreaterThan($nov2015, $ranges[0]['end']);
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// Last range.
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$this->assertLessThan($aug2016, $ranges[3]['start']);
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$this->assertGreaterThan($aug2016, $ranges[3]['end']);
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// Accumulative.
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$accum = new \core\analytics\time_splitting\quarters_accum();
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$accum->set_analysable($this->analysable);
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$ranges = $accum->get_all_ranges();
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$this->assertCount(4, $ranges);
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$this->assertCount(4, $accum->get_training_ranges());
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$this->assertCount(4, $accum->get_distinct_ranges());
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$this->assertEquals($ranges[0]['start'], $ranges[1]['start']);
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$this->assertEquals($ranges[1]['start'], $ranges[2]['start']);
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$this->assertEquals($ranges[2]['start'], $ranges[3]['start']);
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$this->assertGreaterThan($ranges[0]['end'], $ranges[1]['end']);
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$this->assertGreaterThan($ranges[1]['end'], $ranges[2]['end']);
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$this->assertGreaterThan($ranges[2]['end'], $ranges[3]['end']);
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// Present in all ranges.
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$this->assertLessThan($nov2015, $ranges[0]['start']);
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$this->assertGreaterThan($nov2015, $ranges[0]['end']);
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$this->assertGreaterThan($nov2015, $ranges[1]['end']);
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$this->assertGreaterThan($nov2015, $ranges[2]['end']);
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$this->assertGreaterThan($nov2015, $ranges[3]['end']);
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// Only in the last range.
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$this->assertLessThan($aug2016, $ranges[0]['end']);
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$this->assertLessThan($aug2016, $ranges[1]['end']);
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$this->assertLessThan($aug2016, $ranges[2]['end']);
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$this->assertLessThan($aug2016, $ranges[3]['start']);
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$this->assertGreaterThan($aug2016, $ranges[3]['end']);
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}
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/**
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* test_ready_predict
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*
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* @return void
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*/
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public function test_ready_predict() {
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$quarters = new \core\analytics\time_splitting\quarters();
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$nosplitting = new \core\analytics\time_splitting\no_splitting();
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$singlerange = new \core\analytics\time_splitting\single_range();
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$range = array(
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'start' => time() - 100,
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'end' => time() - 20,
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);
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$range['time'] = $range['end'];
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$this->assertTrue($quarters->ready_to_predict($range));
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$this->assertTrue($nosplitting->ready_to_predict($range));
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// Single range time is 0.
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$range['time'] = 0;
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$this->assertTrue($singlerange->ready_to_predict($range));
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$range = array(
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'start' => time() + 20,
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'end' => time() + 100,
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);
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$range['time'] = $range['end'];
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$this->assertFalse($quarters->ready_to_predict($range));
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$this->assertTrue($nosplitting->ready_to_predict($range));
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// Single range time is 0.
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$range['time'] = 0;
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$this->assertTrue($singlerange->ready_to_predict($range));
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}
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/**
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* test_periodic
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*
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* @return void
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*/
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public function test_periodic() {
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// Using a finished course.
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$weekly = new test_timesplitting_weekly();
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$weekly->set_analysable($this->analysable);
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$this->assertCount(1, $weekly->get_distinct_ranges());
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$ranges = $weekly->get_all_ranges();
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$this->assertEquals(52, count($ranges));
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$this->assertEquals($this->course->startdate, $ranges[0]['start']);
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$this->assertNotEquals($this->course->startdate, $ranges[0]['time']);
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// The analysable is finished so all ranges are available for training.
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$this->assertCount(count($ranges), $weekly->get_training_ranges());
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$ranges = $weekly->get_most_recent_prediction_range();
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$range = reset($ranges);
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$this->assertEquals(51, key($ranges));
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// We now use an ongoing course.
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$onemonthago = new DateTime('-30 days');
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$params = array(
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'startdate' => $onemonthago->getTimestamp(),
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);
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$ongoingcourse = $this->getDataGenerator()->create_course($params);
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$ongoinganalysable = new \core_analytics\course($ongoingcourse);
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$weekly = new test_timesplitting_weekly();
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$weekly->set_analysable($ongoinganalysable);
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$this->assertCount(1, $weekly->get_distinct_ranges());
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$ranges = $weekly->get_all_ranges();
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$this->assertEquals(4, count($ranges));
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$this->assertCount(4, $weekly->get_training_ranges());
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$ranges = $weekly->get_most_recent_prediction_range();
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$range = reset($ranges);
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$this->assertEquals(3, key($ranges));
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$this->assertLessThan(time(), $range['time']);
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$this->assertLessThan(time(), $range['start']);
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$this->assertLessThan(time(), $range['end']);
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$starttime = time();
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$upcomingweek = new \core\analytics\time_splitting\upcoming_week();
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$upcomingweek->set_analysable($ongoinganalysable);
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$this->assertCount(1, $upcomingweek->get_distinct_ranges());
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$ranges = $upcomingweek->get_all_ranges();
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$this->assertEquals(1, count($ranges));
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$range = reset($ranges);
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$this->assertLessThan(time(), $range['time']);
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$this->assertLessThan(time(), $range['start']);
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$this->assertGreaterThan(time(), $range['end']);
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$this->assertCount(0, $upcomingweek->get_training_ranges());
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$ranges = $upcomingweek->get_most_recent_prediction_range();
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$range = reset($ranges);
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$this->assertEquals(0, key($ranges));
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$this->assertLessThan(time(), $range['time']);
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$this->assertLessThan(time(), $range['start']);
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// We substract 1 because upcoming_periodic also has that -1 so that predictions
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// get executed once the first time range is set.
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$this->assertGreaterThanOrEqual($starttime - 1, $range['time']);
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$this->assertGreaterThanOrEqual($starttime - 1, $range['start']);
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$this->assertGreaterThan(time(), $range['end']);
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$this->assertNotEmpty($upcomingweek->get_range_by_index(0));
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$this->assertFalse($upcomingweek->get_range_by_index(1));
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// We now check how new ranges get added as time passes.
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$fewsecsago = new DateTime('-5 seconds');
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$params = array(
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'startdate' => $fewsecsago->getTimestamp(),
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'enddate' => (new DateTimeImmutable('+1 year'))->getTimestamp(),
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);
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$course = $this->getDataGenerator()->create_course($params);
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$analysable = new \core_analytics\course($course);
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$seconds = new test_timesplitting_seconds();
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$seconds->set_analysable($analysable);
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// Store the ranges we just obtained.
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$nranges = count($seconds->get_all_ranges());
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$ntrainingranges = count($seconds->get_training_ranges());
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$mostrecentrange = $seconds->get_most_recent_prediction_range();
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$mostrecentrange = reset($mostrecentrange);
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// We wait for the next range to be added.
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usleep(1000000);
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// We set the analysable again so the time ranges are recalculated.
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$seconds->set_analysable($analysable);
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$nnewranges = $seconds->get_all_ranges();
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$nnewtrainingranges = $seconds->get_training_ranges();
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$newmostrecentrange = $seconds->get_most_recent_prediction_range();
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$newmostrecentrange = reset($newmostrecentrange);
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$this->assertGreaterThan($nranges, $nnewranges);
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$this->assertGreaterThan($ntrainingranges, $nnewtrainingranges);
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$this->assertGreaterThan($mostrecentrange['time'], $newmostrecentrange['time']);
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$seconds = new test_timesplitting_upcoming_seconds();
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$seconds->set_analysable($analysable);
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// Store the ranges we just obtained.
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$nranges = count($seconds->get_all_ranges());
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$ntrainingranges = count($seconds->get_training_ranges());
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$mostrecentrange = $seconds->get_most_recent_prediction_range();
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$mostrecentrange = reset($mostrecentrange);
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// We wait for the next range to be added.
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usleep(1000000);
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$seconds->set_analysable($analysable);
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$nnewranges = $seconds->get_all_ranges();
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$nnewtrainingranges = $seconds->get_training_ranges();
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$newmostrecentrange = $seconds->get_most_recent_prediction_range();
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$newmostrecentrange = reset($newmostrecentrange);
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$this->assertGreaterThan($nranges, $nnewranges);
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$this->assertGreaterThan($ntrainingranges, $nnewtrainingranges);
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$this->assertGreaterThan($mostrecentrange['time'], $newmostrecentrange['time']);
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}
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}
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