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<?php
/**
* @copyright Copyright (c) 2017 Matthias Held <matthias.held@uni-konstanz.de>
* @author Matthias Held <matthias.held@uni-konstanz.de>
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
namespace OCA\RansomwareDetection\tests\Unit\Analyzer;
use OCA\RansomwareDetection\Entropy\Entropy;
use OCA\RansomwareDetection\Analyzer\FileExtensionResult;
use OCA\RansomwareDetection\FileSignatures;
use OCA\RansomwareDetection\Analyzer\FileExtensionAnalyzer;
use OCP\ILogger;
use Test\TestCase;
class FileExtensionAnalyzerTest extends TestCase
{
/** @var ILogger|\PHPUnit_Framework_MockObject_MockObject */
protected $logger;
/** @var FileExtensionAnalyzer */
protected $fileExtensionAnalyzer;
public function setUp()
{
parent::setUp();
$this->logger = $this->createMock(ILogger::class);
$this->fileExtensionAnalyzer = new FileExtensionAnalyzer($this->logger);
}
public function dataAnalyze()
{
return [
['path' => 'file.jpg', 'class' => FileExtensionResult::NOT_SUSPICIOUS],
['path' => 'file.unknown', 'class' => FileExtensionResult::SUSPICIOUS],
['path' => 'file.jpg', 'class' => FileExtensionResult::NOT_SUSPICIOUS],
['path' => 'file.jpg1', 'class' => FileExtensionResult::SUSPICIOUS],
];
}
/**
* @dataProvider dataAnalyze
*
* @param string $path
* @param int $class
*/
public function testAnalyze($path, $class)
{
$result = $this->fileExtensionAnalyzer->analyze($path);
$this->assertInstanceOf(FileExtensionResult::class, $result);
$this->assertEquals($result->getFileExtensionClass(), $class);
}
public function dataIsFileExtensionKnown()
{
$signatures = FileSignatures::getSignatures();
$extensions = [];
foreach ($signatures as $signature) {
foreach ($signature['extensions'] as $extension) {
$extensions[] = $extension;
}
}
$tests = [];
foreach ($extensions as $extension) {
$tests[] = [$extension, true];
}
$tests[] = ['WNCRY', false];
return $tests;
}
/**
* @dataProvider dataIsFileExtensionKnown
*
* @param string $extension
* @param bool $return
*/
public function testIsFileExtensionKnown($extension, $return)
{
$this->assertEquals($this->invokePrivate($this->fileExtensionAnalyzer, 'isFileExtensionKnown', [$extension]), $return);
}
public function testGetFileExtension()
{
$this->assertEquals($this->invokePrivate($this->fileExtensionAnalyzer, 'getFileExtension', ['filename.extension']), 'extension');
}
}
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