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<?php |
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namespace TheCodingMachine\WashingMachine\Clover; |
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use TheCodingMachine\WashingMachine\Clover\Analysis\Difference; |
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/** |
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* Service in charge of analyzing the differences between 2 clover files. |
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*/ |
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class DiffService |
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{ |
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/** |
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* @var float |
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*/ |
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private $meaningfulCrapChange; |
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/** |
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* @var int |
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*/ |
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private $maxReturnedMethods; |
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public function __construct(float $meaningfulCrapChange, int $maxReturnedMethods) |
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{ |
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$this->meaningfulCrapChange = $meaningfulCrapChange; |
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$this->maxReturnedMethods = $maxReturnedMethods; |
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} |
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/** |
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* @param CrapMethodFetcherInterface $newCloverFile |
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* @param CrapMethodFetcherInterface $oldCloverFile |
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* @return Difference[] |
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*/ |
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public function getMeaningfulDifferences(CrapMethodFetcherInterface $newCloverFile, CrapMethodFetcherInterface $oldCloverFile) |
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{ |
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$newMethods = $newCloverFile->getMethods(); |
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$oldMethods = $oldCloverFile->getMethods(); |
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// Let's keep only methods that are in both files: |
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$inCommonMethods = array_intersect(array_keys($newMethods), array_keys($oldMethods)); |
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// New methods in the new file: |
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$createdMethods = array_diff(array_keys($newMethods), $inCommonMethods); |
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$differences = []; |
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foreach ($inCommonMethods as $methodName) { |
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$change = abs($newMethods[$methodName]->getCrap() - $oldMethods[$methodName]->getCrap()); |
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if ($change > $this->meaningfulCrapChange) { |
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$differences[] = new Difference($newMethods[$methodName], $oldMethods[$methodName]); |
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} |
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} |
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foreach ($createdMethods as $methodName) { |
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$method = $newMethods[$methodName]; |
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if ($method->getCrap() > $this->meaningfulCrapChange) { |
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$differences[] = new Difference($method, null); |
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} |
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} |
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// Now, let's order the differences by crap order. |
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usort($differences, function(Difference $d1, Difference $d2) { |
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return $d2->getCrapScore() <=> $d1->getCrapScore(); |
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}); |
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// Now, let's limit the number of returned differences |
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$differences = array_slice(array_values($differences), 0, $this->maxReturnedMethods); |
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return $differences; |
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} |
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} |
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thecodingmachine /
washingmachine
