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<?php |
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declare(strict_types = 1); |
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namespace PHPChunkit; |
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/** |
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* @testClass PHPChunkit\Test\TestChunkerTest |
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*/ |
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class TestChunker |
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{ |
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/** |
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* @var TestCounter |
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*/ |
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private $testCounter; |
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public function __construct(TestCounter $testCounter) |
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{ |
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$this->testCounter = $testCounter; |
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} |
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public function chunkTestFiles(ChunkedTests $chunkedTests, array $testFiles) |
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{ |
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$chunk = $chunkedTests->getChunk(); |
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$numChunks = $chunkedTests->getNumChunks(); |
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$fileTestCounts = $this->getTestFileCounts($testFiles); |
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$totalTests = array_sum($fileTestCounts); |
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$testsPerChunk = (int) round($totalTests / $numChunks, 0); |
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$chunks = [[]]; |
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$numTestsInChunk = 0; |
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foreach ($testFiles as $file) { |
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$numTestsInFile = $fileTestCounts[$file]; |
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$chunkFile = [ |
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'file' => $file, |
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'numTests' => $numTestsInFile, |
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]; |
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// start a new chunk |
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if ($numTestsInChunk >= $testsPerChunk) { |
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$chunks[] = [$chunkFile]; |
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$numTestsInChunk = $numTestsInFile; |
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// add file to current chunk |
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} else { |
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$chunks[count($chunks) - 1][] = $chunkFile; |
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$numTestsInChunk += $numTestsInFile; |
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} |
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} |
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if ($chunk) { |
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$chunkOffset = $chunk - 1; |
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if (isset($chunks[$chunkOffset]) && $chunks[$chunkOffset]) { |
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$chunks = [$chunkOffset => $chunks[$chunkOffset]]; |
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} else { |
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$chunks = []; |
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} |
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} |
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$chunkedTests->setChunks($chunks); |
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$chunkedTests->setTotalTests($totalTests); |
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$chunkedTests->setTestsPerChunk($testsPerChunk); |
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} |
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private function getTestFileCounts(array $testFiles) : array |
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{ |
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$fileTestCounts = []; |
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foreach ($testFiles as $file) { |
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$fileTestCounts[$file] = $this->testCounter->countNumTestsInFile($file); |
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} |
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return $fileTestCounts; |
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} |
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} |
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jwage /
phpchunkit
