php-ml/tests/Phpml/Dataset/CsvDatasetTest.php

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