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<?php |
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namespace ParaTest\Coverage; |
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use SebastianBergmann\CodeCoverage\CodeCoverage; |
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class CoverageMerger |
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{ |
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/** |
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* @var CodeCoverage |
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*/ |
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private $coverage = null; |
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/** |
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* @param CodeCoverage $coverage |
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*/ |
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private function addCoverage(CodeCoverage $coverage) |
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{ |
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if (null === $this->coverage) { |
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$this->coverage = $coverage; |
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} else { |
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$this->coverage->merge($coverage); |
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} |
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} |
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/** |
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* Returns coverage object from file. |
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* |
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* @param \SplFileObject $coverageFile coverage file |
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* |
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* @return CodeCoverage |
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*/ |
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private function getCoverageObject(\SplFileObject $coverageFile) |
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{ |
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if ('<?php' === $coverageFile->fread(5)) { |
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return include $coverageFile->getRealPath(); |
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} |
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$coverageFile->fseek(0); |
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// the PHPUnit 3.x and below |
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return unserialize($coverageFile->fread($coverageFile->getSize())); |
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} |
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/** |
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* Adds the coverage contained in $coverageFile and deletes the file afterwards. |
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* |
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* @param string $coverageFile Code coverage file |
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* |
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* @throws \RuntimeException When coverage file is empty |
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*/ |
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public function addCoverageFromFile($coverageFile) |
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{ |
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if ($coverageFile === null || !file_exists($coverageFile)) { |
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return; |
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} |
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$file = new \SplFileObject($coverageFile); |
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if (0 === $file->getSize()) { |
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throw new \RuntimeException( |
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"Coverage file {$file->getRealPath()} is empty. This means a PHPUnit process has crashed." |
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); |
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} |
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$this->addCoverage($this->getCoverageObject($file)); |
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unlink($file->getRealPath()); |
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} |
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/** |
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* Get coverage report generator. |
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* |
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* @return CoverageReporterInterface |
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*/ |
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public function getReporter() |
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{ |
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return new CoverageReporter($this->coverage); |
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} |
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} |
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brianium /
paratest
