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<?php |
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declare(strict_types=1); |
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namespace AlecRabbit\Tools\Reports\Formatters; |
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use AlecRabbit\Tools\Internal\BenchmarkFunction; |
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use AlecRabbit\Tools\Reports\BenchmarkReport; |
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class BenchmarkReportFormatter extends ReportFormatter |
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{ |
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/** @var BenchmarkReport */ |
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protected $report; |
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/** @var mixed */ |
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protected $lastReturn; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getString(): string |
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{ |
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$str = self::BENCHMARK . PHP_EOL; |
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$equalReturns = $this->checkReturns(); |
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/** @var BenchmarkFunction $function */ |
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foreach ($this->report->getFunctions() as $name => $function) { |
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$str .= |
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(new BenchmarkFunctionFormatter($function)) |
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->noResultsIf($equalReturns) |
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->getString(); |
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} |
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return |
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sprintf( |
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'%s%s%s%s%s', |
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$str, |
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$this->allReturnsAreEqual($equalReturns), |
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$this->countersStatistics(), |
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$this->report->getMemoryUsageReport(), |
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PHP_EOL |
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); |
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} |
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/** |
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* @return bool |
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*/ |
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protected function checkReturns(): bool |
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{ |
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return |
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$this->isHomogeneous($this->extractReturns()); |
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} |
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/** |
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* @param array $arr |
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* @return bool |
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*/ |
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private function isHomogeneous(array $arr): bool |
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{ |
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$firstValue = current($arr); |
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foreach ($arr as $val) { |
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if ($firstValue !== $val) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* @return array |
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*/ |
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protected function extractReturns(): array |
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{ |
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$returns = []; |
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/** @var BenchmarkFunction $function */ |
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foreach ($this->report->getFunctions() as $name => $function) { |
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$returns[] = $this->lastReturn = $function->getReturn(); |
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} |
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return $returns; |
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} |
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private function allReturnsAreEqual(bool $equalReturns): string |
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{ |
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if (!$equalReturns) { |
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return ''; |
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} |
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return |
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sprintf( |
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'%s %s%s %s', |
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'All returns are equal:', |
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PHP_EOL, |
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BenchmarkFunctionFormatter::returnToString($this->lastReturn), |
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PHP_EOL |
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); |
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} |
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// TODO move to php-helpers |
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/** |
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* @return string |
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*/ |
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private function countersStatistics(): string |
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{ |
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$added = |
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$this->report->getProfiler() |
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->counter(static::ADDED)->getValue(); |
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$benchmarked = |
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$this->report->getProfiler() |
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->counter(static::BENCHMARKED)->getValue(); |
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if ($added === $benchmarked) { |
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return ''; |
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} |
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return |
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sprintf( |
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'%s: %s %s: %s %s %s', |
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static::ADDED, |
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$added, |
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static::BENCHMARKED, |
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$benchmarked, |
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$this->countedExceptions($added, $benchmarked), |
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PHP_EOL |
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); |
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} |
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/** |
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* @param int $added |
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* @param int $benchmarked |
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* @return string |
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*/ |
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private function countedExceptions(int $added, int $benchmarked): string |
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{ |
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if (0 !== $exceptions = $added - $benchmarked) { |
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return |
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sprintf( |
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'%s %s', |
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static::EXCEPTIONS, |
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$exceptions |
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); |
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} |
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// @codeCoverageIgnoreStart |
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return ''; |
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// @codeCoverageIgnoreEnd |
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} |
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} |
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alecrabbit /
php-simple-profiler
