php-ml/tests/Dataset/CsvDatasetTest.php
2018-10-28 07:44:52 +01:00

49 lines
1.3 KiB
PHP

<?php
declare(strict_types=1);
namespace Phpml\Tests\Dataset;
use Phpml\Dataset\CsvDataset;
use Phpml\Exception\FileException;
use PHPUnit\Framework\TestCase;
class CsvDatasetTest extends TestCase
{
public function testThrowExceptionOnMissingFile(): void
{
$this->expectException(FileException::class);
new CsvDataset('missingFile', 3);
}
public function testSampleCsvDatasetWithHeaderRow(): void
{
$filePath = dirname(__FILE__).'/Resources/dataset.csv';
$dataset = new CsvDataset($filePath, 2, true);
self::assertCount(10, $dataset->getSamples());
self::assertCount(10, $dataset->getTargets());
}
public function testSampleCsvDatasetWithoutHeaderRow(): void
{
$filePath = dirname(__FILE__).'/Resources/dataset.csv';
$dataset = new CsvDataset($filePath, 2, false);
self::assertCount(11, $dataset->getSamples());
self::assertCount(11, $dataset->getTargets());
}
public function testLongCsvDataset(): void
{
$filePath = dirname(__FILE__).'/Resources/longdataset.csv';
$dataset = new CsvDataset($filePath, 1000, false);
self::assertCount(1000, $dataset->getSamples()[0]);
self::assertEquals('label', $dataset->getTargets()[0]);
}
}