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<?php
namespace SMW\Tests\Benchmark;
use RuntimeException;
use SMW\Tests\Utils\PageCreator;
use SMW\Tests\Utils\PageReader;
use Title;
/**
* @group semantic-mediawiki-benchmark
*
* @license GNU GPL v2+
* @since 2.5
*
* @author mwjames
*/
class PageContentCopyBenchmarkRunner {
/**
* @var PageImportBenchmarkRunner
*/
private $pageImportBenchmarkRunner;
/**
* @var Benchmarker
*/
private $benchmarker;
/**
* @var PageCreator
*/
private $pageCreator;
/**
* @var PageReader
*/
private $pageReader;
/**
* @var array
*/
private $benchmarkReport = [];
/**
* @var integer|count
*/
private $copyCount = null;
/**
* @since 2.5
*
* @param PageImportBenchmarkRunner $pageImportBenchmarkRunner
* @param Benchmarker $benchmarker
* @param PageCreator $pageCreator
* @param PageReader $pageReader
*/
public function __construct( PageImportBenchmarkRunner $pageImportBenchmarkRunner, Benchmarker $benchmarker, PageCreator $pageCreator, PageReader $pageReader ) {
$this->pageImportBenchmarkRunner = $pageImportBenchmarkRunner;
$this->benchmarker = $benchmarker;
$this->pageCreator = $pageCreator;
$this->pageReader = $pageReader;
}
/**
* @since 2.5
*
* @param array
*/
public function getBenchmarkReport() {
return $this->benchmarkReport;
}
/**
* @since 2.5
*
* @param integer|null $copyCount
*/
public function setCopyCount( $copyCount = null ) {
$this->copyCount = $copyCount;
}
/**
* @since 2.5
*
* @param array $case
*/
public function run( array $case ) {
$this->benchmarkReport = [];
$this->benchmarker->clear();
$start = microtime( true );
$this->pageImportBenchmarkRunner->run( $case );
$importBenchmarkReport = $this->pageImportBenchmarkRunner->getBenchmarkReport();
if ( !isset( $case['copyFrom'] ) ) {
throw new RuntimeException( 'Copy title is not available.' );
}
if ( !isset( $case['copyCount'] ) ) {
throw new RuntimeException( 'Copy count is not available.' );
}
$copyFrom = Title::newFromText( $case['copyFrom'] );
if ( !$copyFrom->exists() ) {
throw new RuntimeException( $case['copyFrom'] . ' is not available or readable for the copy process.' );
}
if ( !$this->canOverrideCount( $case ) ) {
$this->copyCount = $case['copyCount'];
}
$copyMemory = $this->doCopy( $copyFrom, $case );
$this->benchmarkReport = [
'type' => $case['type'],
'source' => $case['name'],
'import' => [
'memory' => $importBenchmarkReport['memory'],
'time' => $importBenchmarkReport['time']
],
'copy' => [
'copyFrom' => $case['copyFrom'],
'copyCount' => $this->copyCount,
'memory' => $copyMemory,
'time' => [
'sum' => $this->benchmarker->getSum(),
'mean' => $this->benchmarker->getMean(),
'sd' => $this->benchmarker->getStandardDeviation(),
'norm' => $this->benchmarker->getNormalizedValueBy( $this->copyCount )
]
],
'time' => microtime( true ) - $start
];
}
private function doCopy( $copyFrom, array $case ) {
$copyText = $this->pageReader->getContentAsText( $copyFrom );
$copyName = 'BenchmarkCopy-' . $copyFrom->getText();
$memoryBefore = memory_get_peak_usage( false );
for ( $i = 0; $i < $this->copyCount; $i++ ) {
$start = microtime( true );
$this->pageCreator->createPage(
Title::newFromText( $copyName . '-' . $i ),
$copyText
);
$this->benchmarker->addBenchmarkPoint( microtime( true ) - $start );
}
return memory_get_peak_usage( false ) - $memoryBefore;
}
private function canOverrideCount( $case ) {
return isset( $case['canOverrideCopyCount'] ) && $case['canOverrideCopyCount'] && $this->copyCount !== null;
}
}
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