moodle/lib/tests/graphlib_test.php
Meirza bf3a9c3b3f MDL-75945 core: Convert a floating value to an integer.
In PHP 8.1, any implicit conversion of float to int, which leads to a loss in precision, is now deprecated.
To avoid the error warning, the code must explicitly convert a floating value to an integer.
2023-01-24 16:49:10 +07:00

122 lines
4.6 KiB
PHP

<?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/>.
namespace core;
defined('MOODLE_INTERNAL') || die();
global $CFG;
require_once("$CFG->libdir/graphlib.php");
/**
* Tests for Graphlib.
*
* @coversDefaultClass \graph
* @package core
* @copyright 2023 Meirza (meirza.arson@moodle.com)
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class graphlib_test extends \basic_testcase {
/**
* Data provider for test_graphlib.
*
* @return array
*/
public function create_data(): array {
return [
'data' =>
[
'mock' => [
'survey_name' => 'Survey 101',
'names' => [
'Relevance', 'Reflective thinking', 'Interactivity', 'Tutor support', 'Peer support', 'Interpretation'
],
'buckets1' => [
0.75, 2.5, 1.5, 1.5, 2.5, 2.5
],
'stractual' => 'Actual',
'buckets2' => [
-1, -1, -1, -1, -1, -1
],
'strpreferred' => 'Preferred',
'stdev1' => [
0.82915619758885, 1.1180339887499, 1.1180339887499, 1.1180339887499, 1.1180339887499, 1.1180339887499
],
'stdev2' => [
0, 0, 0, 0, 0, 0
],
'options' => [
'Almost never', 'Seldom', 'Sometimes', 'Often', 'Almost always'
],
'maxbuckets1' => 2.5,
'maxbuckets2' => -1
]
]
];
}
/**
* Test graphlib.
*
* @dataProvider create_data
* @covers ::output
* @param array $mock
* @return void
*/
public function test_graphlib($mock) {
$graph = new \graph(300, 200);
ob_start();
$graph->parameter['title'] = strip_tags(format_string($mock['survey_name'], true));
$graph->x_data = $mock['names'];
$graph->y_data['answers1'] = $mock['buckets1'];
$graph->y_format['answers1'] = array('colour' => 'ltblue', 'line' => 'line', 'point' => 'square',
'shadow_offset' => 4, 'legend' => $mock['stractual']);
$graph->y_data['answers2'] = $mock['buckets2'];
$graph->y_format['answers2'] = array('colour' => 'ltorange', 'line' => 'line', 'point' => 'square',
'shadow_offset' => 4, 'legend' => $mock['strpreferred']);
$graph->y_data['stdev1'] = $mock['stdev1'];
$graph->y_format['stdev1'] = array('colour' => 'ltltblue', 'bar' => 'fill',
'shadow_offset' => '4', 'legend' => 'none', 'bar_size' => 0.3);
$graph->y_data['stdev2'] = $mock['stdev2'];
$graph->y_format['stdev2'] = array('colour' => 'ltltorange', 'bar' => 'fill',
'shadow_offset' => '4', 'legend' => 'none', 'bar_size' => 0.2);
$graph->offset_relation['stdev1'] = 'answers1';
$graph->offset_relation['stdev2'] = 'answers2';
$graph->parameter['legend'] = 'outside-top';
$graph->parameter['legend_border'] = 'black';
$graph->parameter['legend_offset'] = 4;
$graph->y_tick_labels = $mock['options'];
if (($mock['maxbuckets1'] > 0.0) && ($mock['maxbuckets2'] > 0.0)) {
$graph->y_order = array('stdev1', 'answers1', 'stdev2', 'answers2');
} else if ($mock['maxbuckets1'] > 0.0) {
$graph->y_order = array('stdev1', 'answers1');
} else {
$graph->y_order = array('stdev2', 'answers2');
}
$graph->parameter['y_max_left'] = 4;
$graph->parameter['y_axis_gridlines'] = 5;
$graph->parameter['y_resolution_left'] = 1;
$graph->parameter['y_decimal_left'] = 1;
$graph->parameter['x_axis_angle'] = 0;
$graph->parameter['x_inner_padding'] = 6;
@$graph->draw();
$res = ob_end_clean();
$this->assertTrue($res);
}
}