Completed
Push — master ( 8c06ff...a2f0f3 )
by Julian
02:34
created

CoverageMerger::addCoverage()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 8
Code Lines 5

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 5
CRAP Score 2

Importance

Changes 0
Metric Value
dl 0
loc 8
ccs 5
cts 5
cp 1
rs 9.4285
c 0
b 0
f 0
cc 2
eloc 5
nc 2
nop 1
crap 2
1
<?php
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declare(strict_types=1);
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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): CodeCoverage
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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(string $coverageFile = null)
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    {
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        if ($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(): CoverageReporterInterface
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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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