php-ml/tests/Phpml/ModelManagerTest.php

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<?php
declare(strict_types=1);
namespace tests;
use Phpml\Exception\FileException;
use Phpml\ModelManager;
use Phpml\Regression\LeastSquares;
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use PHPUnit\Framework\TestCase;
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class ModelManagerTest extends TestCase
{
public function testSaveAndRestore(): void
{
$filename = uniqid();
$filepath = sys_get_temp_dir().DIRECTORY_SEPARATOR.$filename;
$estimator = new LeastSquares();
$modelManager = new ModelManager();
$modelManager->saveToFile($estimator, $filepath);
$restored = $modelManager->restoreFromFile($filepath);
$this->assertEquals($estimator, $restored);
}
public function testRestoreWrongFile(): void
{
$this->expectException(FileException::class);
$filepath = sys_get_temp_dir().DIRECTORY_SEPARATOR.'unexisting';
$modelManager = new ModelManager();
$modelManager->restoreFromFile($filepath);
}
}