image-heberg/__tests/ImageObjectTest.php
2023-08-25 23:45:43 +02:00

283 lines
9.3 KiB
PHP

<?php
/*
* Copyright 2008-2023 Anael MOBILIA
*
* This file is part of image-heberg.fr.
*
* image-heberg.fr 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.
*
* image-heberg.fr 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 image-heberg.fr. If not, see <http://www.gnu.org/licenses/>
*/
namespace ImageHebergTests;
use ImageHeberg\ImageObject;
use ImageHeberg\MaBDD;
use ImageHeberg\HelperAdmin;
use ImageHeberg\MiniatureObject;
use ImageHeberg\HelperImage;
use ImageHeberg\HelperSysteme;
use ImageHeberg\RessourceInterface;
use ImageHeberg\RessourceObject;
use ImageHeberg\SessionObject;
use ImageHeberg\UtilisateurObject;
use ImagickException;
use PHPUnit\Framework\TestCase;
use Imagick;
/**
* L'entête des fichiers contient des informations sur la bibliothéque système les ayant produit
* <CREATOR: gd-jpeg v1.0 (using IJG JPEG v80), quality = 100
* Il faut que l'image de référence et celle générée soit avec la même version de l'outil...
* => Passage des fonction PHP à Imagick qui est un peu plus portable
* ==> Pour éviter les petites différences liées à la stack de ImageMagick, utilisation d'un fuzz
*/
class ImageObjectTest extends TestCase
{
// Rotation pour les images
private const VALEURS_ANGLE = [90, 180, 270];
// Tolérance pour la comparaison des couleurs
private const FUZZ = 10;
/**
* Charge en mémoire une image via Imagick
* Intégre un fuzz sur l'image pour avoir une tolérance sur la comparaison des couleurs
* @param $path string chemin du fichier
* @return Imagick
* @throws ImagickException
*/
private function chargeImage(string $path): Imagick
{
$uneImage = new Imagick();
// Tolérance pour la comparaison des couleurs
// https://imagemagick.org/script/command-line-options.php#fuzz
$uneImage->SetOption('fuzz', self::FUZZ . '%');
// Chargement de l'image
$uneImage->readImage($path);
return $uneImage;
}
/**
* Compare deux images
* @param $imgReference string Path de l'image de référence
* @param $img string Path de l'mage à comparer
* @return bool Identiques ?
* @throws ImagickException
*/
private function compareImages(string $imgReference, string $img): bool
{
$img1 = $this->chargeImage($imgReference);
$img2 = $this->chargeImage($img);
// https://www.php.net/manual/en/imagick.compareimages.php#114944
// compare the images using METRIC=1 (Absolute Error)
$result = $img1->compareImages($img2, Imagick::METRIC_STRUCTURAL_DISSIMILARITY_ERROR);
// Afficher le détail des incohérences
if ($result[1] != 0) {
echo 'compareImages - ' . $imgReference . ' VS ' . $img . ' => ' . $result[1] . ' (Fuzz factor : ' . self::FUZZ . ')' . PHP_EOL;
}
return ($result[1] == 0);
}
/**
* Rotation des images PNG
* @runInSeparateProcess
*/
public function testRotationImagesPNG()
{
require 'config/config.php';
$monImage = new ImageObject();
foreach (self::VALEURS_ANGLE as $angle) {
$monImage->rotation(
$angle,
_PATH_TESTS_IMAGES_ . 'image_banned.png',
_PATH_TESTS_OUTPUT_ . 'image_banned.png-' . $angle
);
$this->assertTrue(
$this->compareImages(
_PATH_TESTS_IMAGES_ . 'image_banned-' . $angle . '.png',
_PATH_TESTS_OUTPUT_ . 'image_banned.png-' . $angle,
),
'Rotation PNG ' . $angle
);
}
}
/**
* Rotation des images JPG
* @runInSeparateProcess
*/
public function testRotationImagesJPG()
{
require 'config/config.php';
$monImage = new ImageObject();
foreach (self::VALEURS_ANGLE as $angle) {
$monImage->rotation(
$angle,
_PATH_TESTS_IMAGES_ . 'image_banned.jpg',
_PATH_TESTS_OUTPUT_ . 'image_banned.jpg-' . $angle
);
$this->assertTrue(
$this->compareImages(
_PATH_TESTS_IMAGES_ . 'image_banned-' . $angle . '.jpg',
_PATH_TESTS_OUTPUT_ . 'image_banned.jpg-' . $angle
),
'Rotation JPG ' . $angle
);
}
}
/**
* Rotation des images GIF
* Pas de changement en fonction des versions de PHP
* @runInSeparateProcess
*/
public function testRotationImagesGIF()
{
require 'config/config.php';
$monImage = new ImageObject();
foreach (self::VALEURS_ANGLE as $angle) {
$monImage->rotation(
$angle,
_PATH_TESTS_IMAGES_ . 'image_banned.gif',
_PATH_TESTS_OUTPUT_ . 'image_banned.gif-' . $angle
);
$this->assertTrue(
$this->compareImages(
_PATH_TESTS_IMAGES_ . 'image_banned-' . $angle . '.gif',
_PATH_TESTS_OUTPUT_ . 'image_banned.gif-' . $angle
),
'Rotation GIF ' . $angle
);
}
}
/**
* Redimensionnement des images
* @runInSeparateProcess
*/
public function testRedimensionnementImages()
{
require 'config/config.php';
$monImage = new ImageObject();
/*
* Cas incohérents => Ne rien faire
*/
$this->assertFalse(
$monImage->redimensionner(_PATH_TESTS_IMAGES_ . 'image_portrait_600x800.png', '', 600, 800),
'Pas d\'agrandissement'
);
$this->assertFalse(
$monImage->redimensionner(_PATH_TESTS_IMAGES_ . 'image_portrait_600x800.png', '', 601, 800),
'Pas d\'agrandissement'
);
$this->assertFalse(
$monImage->redimensionner(_PATH_TESTS_IMAGES_ . 'image_portrait_600x800.png', '', 600, 801),
'Pas d\'agrandissement'
);
$this->assertFalse(
$monImage->redimensionner(_PATH_TESTS_IMAGES_ . 'image_portrait_600x800.png', '', 599, 800),
'Pas d\'agrandissement'
);
$this->assertFalse(
$monImage->redimensionner(_PATH_TESTS_IMAGES_ . 'image_portrait_600x800.png', '', 600, 799),
'Pas d\'agrandissement'
);
$this->assertFalse(
$monImage->redimensionner(_PATH_TESTS_IMAGES_ . 'image_portrait_600x800.png', '', 0, 799),
'Image de taille zéro'
);
$this->assertFalse(
$monImage->redimensionner(_PATH_TESTS_IMAGES_ . 'image_portrait_600x800.png', '', 0, 0),
'Image de taille zéro'
);
$this->assertFalse(
$monImage->redimensionner(_PATH_TESTS_IMAGES_ . 'image_portrait_600x800.png', '', 10, 0),
'Image de taille zéro'
);
/*
* Format portrait
*/
// Doit être 200x267
$monImage->redimensionner(
_PATH_TESTS_IMAGES_ . 'image_portrait_600x800.png',
_PATH_TESTS_OUTPUT_ . 'image_portrait_200x400.png',
200,
400
);
$this->assertTrue(
$this->compareImages(
_PATH_TESTS_IMAGES_ . 'image_portrait_200x400.png',
_PATH_TESTS_OUTPUT_ . 'image_portrait_200x400.png'
),
'Redimensionnement portrait 200x400'
);
// Doit être 150x200
$monImage->redimensionner(
_PATH_TESTS_IMAGES_ . 'image_portrait_600x800.png',
_PATH_TESTS_OUTPUT_ . 'image_portrait_400x200.png',
400,
200
);
$this->assertTrue(
$this->compareImages(
_PATH_TESTS_IMAGES_ . 'image_portrait_400x200.png',
_PATH_TESTS_OUTPUT_ . 'image_portrait_400x200.png'
),
'Redimensionnement portrait 400x200'
);
/*
* Format paysage
*/
// Doit être 267x200
$monImage->redimensionner(
_PATH_TESTS_IMAGES_ . 'image_paysage_800x600.png',
_PATH_TESTS_OUTPUT_ . 'image_paysage_400x200.png',
400,
200
);
$this->assertTrue(
$this->compareImages(
_PATH_TESTS_IMAGES_ . 'image_paysage_400x200.png',
_PATH_TESTS_OUTPUT_ . 'image_paysage_400x200.png'
),
'Redimensionnement paysage 400x200'
);
// Doit être 200x150
$monImage->redimensionner(
_PATH_TESTS_IMAGES_ . 'image_paysage_800x600.png',
_PATH_TESTS_OUTPUT_ . 'image_paysage_200x400.png',
200,
400
);
$this->assertTrue(
$this->compareImages(
_PATH_TESTS_IMAGES_ . 'image_paysage_200x400.png',
_PATH_TESTS_OUTPUT_ . 'image_paysage_200x400.png'
),
'Redimensionnement paysage 200x400'
);
}
}