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<?php
declare(strict_types=1);
namespace ParaTest\WrapperRunner;
use ParaTest\Coverage\CoverageMerger;
use ParaTest\JUnit\LogMerger;
use ParaTest\JUnit\Writer;
use ParaTest\Options;
use ParaTest\RunnerInterface;
use PHPUnit\Event\Facade as EventFacade;
use PHPUnit\Runner\CodeCoverage;
use PHPUnit\TestRunner\TestResult\Facade as TestResultFacade;
use PHPUnit\TestRunner\TestResult\TestResult;
use PHPUnit\TextUI\Configuration\CodeCoverageFilterRegistry;
use PHPUnit\TextUI\ShellExitCodeCalculator;
use PHPUnit\Util\ExcludeList;
use SplFileInfo;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Process\PhpExecutableFinder;
use function array_merge;
use function array_merge_recursive;
use function array_shift;
use function assert;
use function count;
use function dirname;
use function file_get_contents;
use function max;
use function realpath;
use function unlink;
use function unserialize;
use function usleep;
use const DIRECTORY_SEPARATOR;
/** @internal */
final class WrapperRunner implements RunnerInterface
{
private const CYCLE_SLEEP = 10000;
private readonly ResultPrinter $printer;
/** @var list<non-empty-string> */
private array $pending = [];
private int $exitcode = -1;
/** @var array<positive-int,WrapperWorker> */
private array $workers = [];
/** @var array<int,int> */
private array $batches = [];
/** @var list<SplFileInfo> */
private array $statusFiles = [];
/** @var list<SplFileInfo> */
private array $progressFiles = [];
/** @var list<SplFileInfo> */
private array $unexpectedOutputFiles = [];
/** @var list<SplFileInfo> */
private array $testresultFiles = [];
/** @var list<SplFileInfo> */
private array $coverageFiles = [];
/** @var list<SplFileInfo> */
private array $junitFiles = [];
/** @var list<SplFileInfo> */
private array $teamcityFiles = [];
/** @var list<SplFileInfo> */
private array $testdoxFiles = [];
/** @var non-empty-string[] */
private readonly array $parameters;
private CodeCoverageFilterRegistry $codeCoverageFilterRegistry;
public function __construct(
private readonly Options $options,
private readonly OutputInterface $output
) {
$this->printer = new ResultPrinter($output, $options);
$wrapper = realpath(
dirname(__DIR__, 2) . DIRECTORY_SEPARATOR . 'bin' . DIRECTORY_SEPARATOR . 'phpunit-wrapper.php',
);
assert($wrapper !== false);
$phpFinder = new PhpExecutableFinder();
$phpBin = $phpFinder->find(false);
assert($phpBin !== false);
$parameters = [$phpBin];
$parameters = array_merge($parameters, $phpFinder->findArguments());
if ($options->passthruPhp !== null) {
$parameters = array_merge($parameters, $options->passthruPhp);
}
$parameters[] = $wrapper;
$this->parameters = $parameters;
$this->codeCoverageFilterRegistry = new CodeCoverageFilterRegistry();
}
public function run(): int
{
$directory = dirname(__DIR__);
assert($directory !== '');
ExcludeList::addDirectory($directory);
TestResultFacade::init();
EventFacade::instance()->seal();
$suiteLoader = new SuiteLoader(
$this->options,
$this->output,
$this->codeCoverageFilterRegistry,
);
$result = TestResultFacade::result();
$this->pending = $suiteLoader->tests;
$this->printer->setTestCount($suiteLoader->testCount);
$this->printer->start();
$this->startWorkers();
$this->assignAllPendingTests();
$this->waitForAllToFinish();
return $this->complete($result);
}
private function startWorkers(): void
{
for ($token = 1; $token <= $this->options->processes; ++$token) {
$this->startWorker($token);
}
}
private function assignAllPendingTests(): void
{
$batchSize = $this->options->maxBatchSize;
while (count($this->pending) > 0 && count($this->workers) > 0) {
foreach ($this->workers as $token => $worker) {
if (! $worker->isRunning()) {
throw $worker->getWorkerCrashedException();
}
if (! $worker->isFree()) {
continue;
}
$this->flushWorker($worker);
if ($batchSize !== 0 && $this->batches[$token] === $batchSize) {
$this->destroyWorker($token);
$worker = $this->startWorker($token);
}
if (
$this->exitcode > 0
&& $this->options->configuration->stopOnFailure()
) {
$this->pending = [];
} elseif (($pending = array_shift($this->pending)) !== null) {
$worker->assign($pending);
$this->batches[$token]++;
}
}
usleep(self::CYCLE_SLEEP);
}
}
private function flushWorker(WrapperWorker $worker): void
{
$this->exitcode = max($this->exitcode, $worker->getExitCode());
$this->printer->printFeedback(
$worker->progressFile,
$worker->unexpectedOutputFile,
$this->teamcityFiles,
);
$worker->reset();
}
private function waitForAllToFinish(): void
{
$stopped = [];
while (count($this->workers) > 0) {
foreach ($this->workers as $index => $worker) {
if ($worker->isRunning()) {
if (! isset($stopped[$index]) && $worker->isFree()) {
$worker->stop();
$stopped[$index] = true;
}
continue;
}
if (! $worker->isFree()) {
throw $worker->getWorkerCrashedException();
}
$this->flushWorker($worker);
unset($this->workers[$index]);
}
usleep(self::CYCLE_SLEEP);
}
}
/** @param positive-int $token */
private function startWorker(int $token): WrapperWorker
{
$worker = new WrapperWorker(
$this->output,
$this->options,
$this->parameters,
$token,
);
$worker->start();
$this->batches[$token] = 0;
$this->statusFiles[] = $worker->statusFile;
$this->progressFiles[] = $worker->progressFile;
$this->unexpectedOutputFiles[] = $worker->unexpectedOutputFile;
$this->testresultFiles[] = $worker->testresultFile;
if (isset($worker->junitFile)) {
$this->junitFiles[] = $worker->junitFile;
}
if (isset($worker->coverageFile)) {
$this->coverageFiles[] = $worker->coverageFile;
}
if (isset($worker->teamcityFile)) {
$this->teamcityFiles[] = $worker->teamcityFile;
}
if (isset($worker->testdoxFile)) {
$this->testdoxFiles[] = $worker->testdoxFile;
}
return $this->workers[$token] = $worker;
}
private function destroyWorker(int $token): void
{
$this->workers[$token]->stop();
// We need to wait for ApplicationForWrapperWorker::end to end
while ($this->workers[$token]->isRunning()) {
usleep(self::CYCLE_SLEEP);
}
unset($this->workers[$token]);
}
private function complete(TestResult $testResultSum): int
{
foreach ($this->testresultFiles as $testresultFile) {
if (! $testresultFile->isFile()) {
continue;
}
$contents = file_get_contents($testresultFile->getPathname());
assert($contents !== false);
$testResult = unserialize($contents);
assert($testResult instanceof TestResult);
$testResultSum = new TestResult(
(int) $testResultSum->hasTests() + (int) $testResult->hasTests(),
$testResultSum->numberOfTestsRun() + $testResult->numberOfTestsRun(),
$testResultSum->numberOfAssertions() + $testResult->numberOfAssertions(),
array_merge_recursive($testResultSum->testErroredEvents(), $testResult->testErroredEvents()),
array_merge_recursive($testResultSum->testFailedEvents(), $testResult->testFailedEvents()),
array_merge_recursive($testResultSum->testConsideredRiskyEvents(), $testResult->testConsideredRiskyEvents()),
array_merge_recursive($testResultSum->testSuiteSkippedEvents(), $testResult->testSuiteSkippedEvents()),
array_merge_recursive($testResultSum->testSkippedEvents(), $testResult->testSkippedEvents()),
array_merge_recursive($testResultSum->testMarkedIncompleteEvents(), $testResult->testMarkedIncompleteEvents()),
array_merge_recursive($testResultSum->testTriggeredPhpunitDeprecationEvents(), $testResult->testTriggeredPhpunitDeprecationEvents()),
array_merge_recursive($testResultSum->testTriggeredPhpunitErrorEvents(), $testResult->testTriggeredPhpunitErrorEvents()),
array_merge_recursive($testResultSum->testTriggeredPhpunitWarningEvents(), $testResult->testTriggeredPhpunitWarningEvents()),
array_merge_recursive($testResultSum->testRunnerTriggeredDeprecationEvents(), $testResult->testRunnerTriggeredDeprecationEvents()),
array_merge_recursive($testResultSum->testRunnerTriggeredWarningEvents(), $testResult->testRunnerTriggeredWarningEvents()),
array_merge_recursive($testResultSum->errors(), $testResult->errors()),
array_merge_recursive($testResultSum->deprecations(), $testResult->deprecations()),
array_merge_recursive($testResultSum->notices(), $testResult->notices()),
array_merge_recursive($testResultSum->warnings(), $testResult->warnings()),
array_merge_recursive($testResultSum->phpDeprecations(), $testResult->phpDeprecations()),
array_merge_recursive($testResultSum->phpNotices(), $testResult->phpNotices()),
array_merge_recursive($testResultSum->phpWarnings(), $testResult->phpWarnings()),
$testResultSum->numberOfIssuesIgnoredByBaseline() + $testResult->numberOfIssuesIgnoredByBaseline(),
);
}
$this->printer->printResults(
$testResultSum,
$this->teamcityFiles,
$this->testdoxFiles,
);
$this->generateCodeCoverageReports();
$this->generateLogs();
$exitcode = (new ShellExitCodeCalculator())->calculate(
$this->options->configuration->failOnDeprecation(),
$this->options->configuration->failOnEmptyTestSuite(),
$this->options->configuration->failOnIncomplete(),
$this->options->configuration->failOnNotice(),
$this->options->configuration->failOnRisky(),
$this->options->configuration->failOnSkipped(),
$this->options->configuration->failOnWarning(),
$testResultSum,
);
$this->clearFiles($this->statusFiles);
$this->clearFiles($this->progressFiles);
$this->clearFiles($this->unexpectedOutputFiles);
$this->clearFiles($this->testresultFiles);
$this->clearFiles($this->coverageFiles);
$this->clearFiles($this->junitFiles);
$this->clearFiles($this->teamcityFiles);
$this->clearFiles($this->testdoxFiles);
return $exitcode;
}
protected function generateCodeCoverageReports(): void
{
if ($this->coverageFiles === []) {
return;
}
$coverageManager = new CodeCoverage();
$coverageManager->init(
$this->options->configuration,
$this->codeCoverageFilterRegistry,
false,
);
$coverageMerger = new CoverageMerger($coverageManager->codeCoverage());
foreach ($this->coverageFiles as $coverageFile) {
$coverageMerger->addCoverageFromFile($coverageFile);
}
$coverageManager->generateReports(
$this->printer->printer,
$this->options->configuration,
);
}
private function generateLogs(): void
{
if ($this->junitFiles === []) {
return;
}
$testSuite = (new LogMerger())->merge($this->junitFiles);
(new Writer())->write(
$testSuite,
$this->options->configuration->logfileJunit(),
);
}
/** @param list<SplFileInfo> $files */
private function clearFiles(array $files): void
{
foreach ($files as $file) {
if (! $file->isFile()) {
continue;
}
unlink($file->getPathname());
}
}
}
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