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