63 lines
2.1 KiB
PHP
63 lines
2.1 KiB
PHP
<?php
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namespace Box\Spout\Reader\CSV;
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use Box\Spout\Common\Type;
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use Box\Spout\Reader\Common\Creator\ReaderEntityFactory;
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use Box\Spout\TestUsingResource;
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use PHPUnit\Framework\TestCase;
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/**
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* Class ReaderPerfTest
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* Performance tests for CSV Reader
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*/
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class ReaderPerfTest extends TestCase
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{
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use TestUsingResource;
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/**
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* 1 million rows (each row containing 3 cells) should be read
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* in less than 1 minute and the execution should not require
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* more than 1MB of memory
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*
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* @group perf-tests
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*
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* @return void
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*/
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public function testPerfWhenReadingOneMillionRowsCSV()
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{
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// getting current memory peak to avoid taking into account the memory used by PHPUnit
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$beforeMemoryPeakUsage = memory_get_peak_usage(true);
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$expectedMaxExecutionTime = 60; // 1 minute in seconds
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$expectedMaxMemoryPeakUsage = 1 * 1024 * 1024; // 1MB in bytes
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$startTime = time();
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$fileName = 'csv_with_one_million_rows.csv';
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$resourcePath = $this->getResourcePath($fileName);
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$reader = ReaderEntityFactory::createReader(Type::CSV);
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$reader->open($resourcePath);
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$numReadRows = 0;
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/** @var Sheet $sheet */
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foreach ($reader->getSheetIterator() as $sheet) {
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foreach ($sheet->getRowIterator() as $row) {
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$numReadRows++;
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}
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}
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$reader->close();
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$expectedNumRows = 1000000;
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$this->assertEquals($expectedNumRows, $numReadRows, "$expectedNumRows rows should have been read");
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$executionTime = time() - $startTime;
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$this->assertTrue($executionTime < $expectedMaxExecutionTime, "Reading 1 million rows should take less than $expectedMaxExecutionTime seconds (took $executionTime seconds)");
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$memoryPeakUsage = memory_get_peak_usage(true) - $beforeMemoryPeakUsage;
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$this->assertTrue($memoryPeakUsage < $expectedMaxMemoryPeakUsage, 'Reading 1 million rows should require less than ' . ($expectedMaxMemoryPeakUsage / 1024 / 1024) . ' MB of memory (required ' . round($memoryPeakUsage / 1024 / 1024, 2) . ' MB)');
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}
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}
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