MDL-64320 analytics: Validate discrete indicators separately
[moodle.git] / analytics / tests / fixtures / test_indicator_random.php
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ff656bae 1<?php
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2// This file is part of Moodle - http://moodle.org/
3//
4// Moodle is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8//
9// Moodle is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12// GNU General Public License for more details.
13//
14// You should have received a copy of the GNU General Public License
15// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
ff656bae 16
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17/**
18 * Test indicator.
19 *
20 * @package core_analytics
21 * @copyright 2017 David MonllaĆ³ {@link http://www.davidmonllao.com}
22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
23 */
24
25defined('MOODLE_INTERNAL') || die();
26
27/**
28 * Test indicator.
29 *
30 * @package core_analytics
31 * @copyright 2017 David MonllaĆ³ {@link http://www.davidmonllao.com}
32 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
33 */
e0c88997 34class test_indicator_random extends \core_analytics\local\indicator\linear {
ff656bae 35
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36 /**
37 * Returns a lang_string object representing the name for the indicator.
38 *
39 * Used as column identificator.
40 *
41 * If there is a corresponding '_help' string this will be shown as well.
42 *
43 * @return \lang_string
44 */
45 public static function get_name() : \lang_string {
46 // Using a string that exists and contains a corresponding '_help' string.
47 return new \lang_string('allowstealthmodules');
48 }
49
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50 /**
51 * calculate_sample
52 *
53 * @param int $sampleid
54 * @param string $samplesorigin
55 * @param int $starttime
56 * @param int $endtime
57 * @return float
58 */
ff656bae 59 protected function calculate_sample($sampleid, $samplesorigin, $starttime, $endtime) {
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60 return mt_rand(-1, 1);
61 }
62}