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<?php
/*
* SPDX-FileCopyrightText: 2024 Hubzilla Community
* SPDX-FileContributor: Harald Eilertsen
*
* SPDX-License-Identifier: MIT
*/
namespace Zotlabs\Tests\Unit\Thumbs;
use PHPUnit\Framework\Attributes\{AfterClass, Before, BeforeClass};
use Zotlabs\Thumbs\Epubthumb;
use Zotlabs\Tests\Unit\UnitTestCase;
use ZipArchive;
class EpubthumbTest extends UnitTestCase {
private const TMPDIR = __DIR__ . '/tmp';
private Epubthumb $thumbnailer;
/**
* Create a temp dir to use for the tests in this class.
*/
#[BeforeClass]
static function setupTmpDir(): void {
if (!is_dir(self::TMPDIR)) {
mkdir(self::TMPDIR);
}
}
/**
* Clean up and remove the temp dir after the tests.
*/
#[AfterClass]
static function cleanupTmpDir(): void {
$files = scandir(self::TMPDIR);
if ($files !== false) {
foreach($files as $f) {
if ($f[0] !== '.') {
unlink(self::TMPDIR . '/' . $f);
}
}
}
rmdir(self::TMPDIR);
}
/**
* Create the thumbnailer object for tests.
*
* This is run before each test, so that each test has it's own
* instance of the thumbnailer.
*/
#[Before]
function createThumbnailer(): void {
$this->thumbnailer = new Epubthumb();
}
/*
* Tests
*/
public function testEpubThumbMatch(): void {
$this->assertTrue($this->thumbnailer->Match('application/epub+zip'));
$this->assertFalse($this->thumbnailer->Match('application/zip'));
}
public function testNoThumbnailCreatedForFileThatDontExist(): void {
$this->checkCreateThumbnail(self::TMPDIR . '/nonexisting.epub', false);
}
public function testNoThumbnailCreatedIfNotAZipArchive(): void {
$filename = self::TMPDIR . '/notazip.epub';
file_put_contents($filename, 'This is not a ZIP file!');
$this->checkCreateThumbnail($filename, false);
}
public function testNoThumbnailCreatedIfInvalidEpub(): void {
$filename = self::TMPDIR . '/nocontainer.epub';
$epub = new ZipArchive();
$epub->open($filename, ZipArchive::CREATE);
$epub->addFromString('somefile.txt', 'It was a dark an stormy night...');
$epub->close();
$this->checkCreateThumbnail($filename, false);
}
public function testNoThumbnailCreatedIfCoverFileMissing(): void {
$filename = self::TMPDIR . '/good.epub';
$epub = new ZipArchive();
$epub->open($filename, ZipArchive::CREATE);
$this->addEpubContainer($epub);
$this->addEpubPackage($epub);
$epub->close();
$this->checkCreateThumbnail($filename, false);
}
public function testCreateCoverFromEpub(): void {
$filename = self::TMPDIR . '/good.epub';
$epub = new ZipArchive();
$epub->open($filename, ZipArchive::CREATE);
$this->addEpubContainer($epub);
$this->addEpubPackage($epub);
$epub->addFile(PROJECT_BASE . '/images/red-koala.png', 'EPUB/cover.png');
$epub->close();
$this->checkCreateThumbnail($filename, true);
}
/*
* Helper functions
*/
private function checkCreateThumbnail(string $filename, bool $expectThumbnail): void {
$attach = [ 'content' => $filename ];
$this->thumbnailer->Thumb($attach, 0);
$this->assertEquals($expectThumbnail, file_exists($filename . '.thumb'));
}
private function addEpubContainer(ZipArchive $epub): void {
$xml = <<<XML
<?xml version="1.0" encoding="UTF-8"?>
<container version="1.0" xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
<rootfiles>
<rootfile full-path="EPUB/package.opf" media-type="application/oebps-package+xml"/>
</rootfiles>
</container>
XML;
$epub->addEmptyDir('META-INF');
$epub->addFromString('META-INF/container.xml', $xml);
}
private function addEpubPackage(ZipArchive $epub): void {
$xml = <<<XML
<?xml version="1.0" encoding="UTF-8"?>
<package xmlns="http://www.idpf.org/2007/opf" version="3.0" unique-identifier="pub-identifier">
<manifest>
<item
properties="cover-image"
id="ci"
href="cover.png"
media-type="image/png" />
</manifest>
</package>
XML;
$epub->addEmptyDir('EPUB');
$epub->addFromString('EPUB/package.opf', $xml);
}
}
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