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WIP
This commit is contained in:
Luke Downing
committed by
Nuno Maduro
Nuno Maduro
parent
d69f61c8d3
commit
48309931ef
315
src/Plugins/Parallel/Paratest/WrapperRunner.php
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315
src/Plugins/Parallel/Paratest/WrapperRunner.php
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<?php
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declare(strict_types=1);
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namespace Pest\Plugins\Parallel\Paratest;
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use ParaTest\Coverage\CoverageMerger;
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use ParaTest\JUnit\LogMerger;
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use ParaTest\JUnit\Writer;
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use ParaTest\Options;
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use ParaTest\RunnerInterface;
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use ParaTest\WrapperRunner\ResultPrinter;
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use ParaTest\WrapperRunner\SuiteLoader;
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use ParaTest\WrapperRunner\WrapperWorker;
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use PHPUnit\Event\Facade as EventFacade;
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use PHPUnit\Runner\CodeCoverage;
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use PHPUnit\TestRunner\TestResult\Facade as TestResultFacade;
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use PHPUnit\TestRunner\TestResult\TestResult;
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use PHPUnit\TextUI\ShellExitCodeCalculator;
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use PHPUnit\Util\ExcludeList;
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use SplFileInfo;
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use Symfony\Component\Console\Output\OutputInterface;
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use Symfony\Component\Process\PhpExecutableFinder;
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use function array_merge;
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use function array_merge_recursive;
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use function array_shift;
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use function assert;
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use function count;
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use function dirname;
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use function file_get_contents;
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use function max;
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use function realpath;
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use function unserialize;
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use function usleep;
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use const DIRECTORY_SEPARATOR;
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/** @internal */
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final class WrapperRunner implements RunnerInterface
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{
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private const CYCLE_SLEEP = 10000;
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private readonly ResultPrinter $printer;
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/** @var non-empty-string[] */
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private array $pending = [];
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private int $exitcode = -1;
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/** @var array<positive-int,WrapperWorker> */
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private array $workers = [];
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/** @var array<int,int> */
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private array $batches = [];
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/** @var SplFileInfo */
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private array $testresultFiles = [];
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/** @var SplFileInfo */
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private array $coverageFiles = [];
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/** @var SplFileInfo */
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private array $junitFiles = [];
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/** @var SplFileInfo */
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private array $teamcityFiles = [];
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/** @var SplFileInfo */
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private array $testdoxFiles = [];
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/** @var non-empty-string[] */
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private readonly array $parameters;
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public function __construct(
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private readonly Options $options,
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private readonly OutputInterface $output
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) {
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$this->printer = new ResultPrinter($output, $options);
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$wrapper = realpath(
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dirname(__DIR__, 5) . DIRECTORY_SEPARATOR . 'bin' . DIRECTORY_SEPARATOR . 'phpunit-wrapper.php',
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);
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assert($wrapper !== false);
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$phpFinder = new PhpExecutableFinder();
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$phpBin = $phpFinder->find(false);
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assert($phpBin !== false);
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$parameters = [$phpBin];
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$parameters = array_merge($parameters, $phpFinder->findArguments());
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if ($options->passthruPhp !== null) {
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$parameters = array_merge($parameters, $options->passthruPhp);
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}
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$parameters[] = $wrapper;
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$this->parameters = $parameters;
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}
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public function run(): void
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{
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ExcludeList::addDirectory(dirname(__DIR__));
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TestResultFacade::init();
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EventFacade::seal();
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$suiteLoader = new SuiteLoader($this->options, $this->output);
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$result = TestResultFacade::result();
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$this->pending = $suiteLoader->files;
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$this->printer->setTestCount($suiteLoader->testCount);
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$this->printer->start();
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$this->startWorkers();
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$this->assignAllPendingTests();
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$this->waitForAllToFinish();
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$this->complete($result);
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}
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public function getExitCode(): int
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{
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return $this->exitcode;
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}
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private function startWorkers(): void
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{
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for ($token = 1; $token <= $this->options->processes; ++$token) {
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$this->startWorker($token);
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}
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}
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private function assignAllPendingTests(): void
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{
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$batchSize = $this->options->maxBatchSize;
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while (count($this->pending) > 0 && count($this->workers) > 0) {
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foreach ($this->workers as $token => $worker) {
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if (! $worker->isRunning()) {
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throw $worker->getWorkerCrashedException();
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}
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if (! $worker->isFree()) {
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continue;
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}
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$this->flushWorker($worker);
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if ($batchSize !== null && $batchSize !== 0 && $this->batches[$token] === $batchSize) {
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$this->destroyWorker($token);
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$worker = $this->startWorker($token);
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}
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if (
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$this->exitcode > 0
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&& (
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$this->options->configuration->stopOnFailure()
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|| $this->options->configuration->stopOnError()
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)
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) {
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$this->pending = [];
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} elseif (($pending = array_shift($this->pending)) !== null) {
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$worker->assign($pending);
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$this->batches[$token]++;
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}
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}
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usleep(self::CYCLE_SLEEP);
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}
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}
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private function flushWorker(WrapperWorker $worker): void
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{
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$this->exitcode = max($this->exitcode, $worker->getExitCode());
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$this->printer->printFeedback($worker->progressFile);
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$worker->reset();
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}
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private function waitForAllToFinish(): void
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{
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$stopped = [];
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while (count($this->workers) > 0) {
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foreach ($this->workers as $index => $worker) {
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if ($worker->isRunning()) {
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if (! isset($stopped[$index]) && $worker->isFree()) {
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$worker->stop();
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$stopped[$index] = true;
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}
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continue;
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}
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if (! $worker->isFree()) {
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throw $worker->getWorkerCrashedException();
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}
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$this->flushWorker($worker);
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unset($this->workers[$index]);
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}
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usleep(self::CYCLE_SLEEP);
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}
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}
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private function startWorker(int $token): WrapperWorker
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{
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$worker = new WrapperWorker(
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$this->output,
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$this->options,
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$this->parameters,
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$token,
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);
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$worker->start();
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$this->batches[$token] = 0;
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$this->testresultFiles[] = $worker->testresultFile;
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if (isset($worker->junitFile)) {
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$this->junitFiles[] = $worker->junitFile;
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}
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if (isset($worker->coverageFile)) {
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$this->coverageFiles[] = $worker->coverageFile;
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}
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if (isset($worker->teamcityFile)) {
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$this->teamcityFiles[] = $worker->teamcityFile;
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}
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if (isset($worker->testdoxFile)) {
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$this->testdoxFiles[] = $worker->testdoxFile;
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}
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return $this->workers[$token] = $worker;
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}
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private function destroyWorker(int $token): void
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{
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// Mutation Testing tells us that the following `unset()` already destroys
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// the `WrapperWorker`, which destroys the Symfony's `Process`, which
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// automatically calls `Process::stop` within `Process::__destruct()`.
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// But we prefer to have an explicit stops.
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$this->workers[$token]->stop();
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unset($this->workers[$token]);
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}
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private function complete(TestResult $testResultSum): void
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{
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foreach ($this->testresultFiles as $testresultFile) {
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if (! $testresultFile->isFile()) {
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continue;
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}
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$contents = file_get_contents($testresultFile->getPathname());
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assert($contents !== false);
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$testResult = unserialize($contents);
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assert($testResult instanceof TestResult);
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$testResultSum = new TestResult(
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$testResultSum->numberOfTests() + $testResult->numberOfTests(),
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$testResultSum->numberOfTestsRun() + $testResult->numberOfTestsRun(),
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$testResultSum->numberOfAssertions() + $testResult->numberOfAssertions(),
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array_merge_recursive($testResultSum->testErroredEvents(), $testResult->testErroredEvents()),
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array_merge_recursive($testResultSum->testFailedEvents(), $testResult->testFailedEvents()),
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array_merge_recursive($testResultSum->testConsideredRiskyEvents(), $testResult->testConsideredRiskyEvents()),
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array_merge_recursive($testResultSum->testSkippedEvents(), $testResult->testSkippedEvents()),
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array_merge_recursive($testResultSum->testMarkedIncompleteEvents(), $testResult->testMarkedIncompleteEvents()),
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array_merge_recursive($testResultSum->testTriggeredDeprecationEvents(), $testResult->testTriggeredDeprecationEvents()),
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array_merge_recursive($testResultSum->testTriggeredPhpDeprecationEvents(), $testResult->testTriggeredPhpDeprecationEvents()),
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array_merge_recursive($testResultSum->testTriggeredPhpunitDeprecationEvents(), $testResult->testTriggeredPhpunitDeprecationEvents()),
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array_merge_recursive($testResultSum->testTriggeredErrorEvents(), $testResult->testTriggeredErrorEvents()),
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array_merge_recursive($testResultSum->testTriggeredNoticeEvents(), $testResult->testTriggeredNoticeEvents()),
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array_merge_recursive($testResultSum->testTriggeredPhpNoticeEvents(), $testResult->testTriggeredPhpNoticeEvents()),
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array_merge_recursive($testResultSum->testTriggeredWarningEvents(), $testResult->testTriggeredWarningEvents()),
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array_merge_recursive($testResultSum->testTriggeredPhpWarningEvents(), $testResult->testTriggeredPhpWarningEvents()),
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array_merge_recursive($testResultSum->testTriggeredPhpunitErrorEvents(), $testResult->testTriggeredPhpunitErrorEvents()),
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array_merge_recursive($testResultSum->testTriggeredPhpunitWarningEvents(), $testResult->testTriggeredPhpunitWarningEvents()),
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array_merge_recursive($testResultSum->testRunnerTriggeredDeprecationEvents(), $testResult->testRunnerTriggeredDeprecationEvents()),
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array_merge_recursive($testResultSum->testRunnerTriggeredWarningEvents(), $testResult->testRunnerTriggeredWarningEvents()),
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);
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}
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$this->printer->printResults($testResultSum);
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$this->generateCodeCoverageReports();
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$this->generateLogs();
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$this->exitcode = (new ShellExitCodeCalculator())->calculate(
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$this->options->configuration->failOnEmptyTestSuite(),
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$this->options->configuration->failOnRisky(),
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$this->options->configuration->failOnWarning(),
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$this->options->configuration->failOnIncomplete(),
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$this->options->configuration->failOnSkipped(),
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$testResultSum,
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);
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}
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protected function generateCodeCoverageReports(): void
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{
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if ($this->coverageFiles === []) {
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return;
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}
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CodeCoverage::init($this->options->configuration);
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$coverageMerger = new CoverageMerger(CodeCoverage::instance());
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foreach ($this->coverageFiles as $coverageFile) {
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$coverageMerger->addCoverageFromFile($coverageFile);
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}
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CodeCoverage::generateReports(
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$this->printer->printer,
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$this->options->configuration,
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);
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}
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private function generateLogs(): void
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{
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if ($this->junitFiles === []) {
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return;
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}
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$testSuite = (new LogMerger())->merge($this->junitFiles);
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(new Writer())->write(
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$testSuite,
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$this->options->configuration->logfileJunit(),
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);
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}
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}
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