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<?php declare(strict_types=1);
/*
* This file is part of PHPUnit.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace PHPUnit\Framework;
use const PHP_EOL;
use function assert;
use function defined;
use function error_clear_last;
use function extension_loaded;
use function get_include_path;
use function hrtime;
use function serialize;
use function sprintf;
use function sys_get_temp_dir;
use function tempnam;
use function unlink;
use function var_export;
use AssertionError;
use PHPUnit\Event;
use PHPUnit\Event\NoPreviousThrowableException;
use PHPUnit\Event\TestData\MoreThanOneDataSetFromDataProviderException;
use PHPUnit\Metadata\Api\CodeCoverage as CodeCoverageMetadataApi;
use PHPUnit\Metadata\Parser\Registry as MetadataRegistry;
use PHPUnit\Runner\CodeCoverage;
use PHPUnit\Runner\ErrorHandler;
use PHPUnit\TextUI\Configuration\Configuration;
use PHPUnit\TextUI\Configuration\Registry as ConfigurationRegistry;
use PHPUnit\Util\GlobalState;
use PHPUnit\Util\PHP\AbstractPhpProcess;
use ReflectionClass;
use SebastianBergmann\CodeCoverage\Exception as OriginalCodeCoverageException;
use SebastianBergmann\CodeCoverage\InvalidArgumentException;
use SebastianBergmann\CodeCoverage\StaticAnalysisCacheNotConfiguredException;
use SebastianBergmann\CodeCoverage\UnintentionallyCoveredCodeException;
use SebastianBergmann\Invoker\Invoker;
use SebastianBergmann\Invoker\TimeoutException;
use SebastianBergmann\Template\Template;
use Throwable;
/**
* @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
*
* @internal This class is not covered by the backward compatibility promise for PHPUnit
*/
final class TestRunner
{
private ?bool $timeLimitCanBeEnforced = null;
private readonly Configuration $configuration;
public function __construct()
{
$this->configuration = ConfigurationRegistry::get();
}
/**
* @throws \PHPUnit\Runner\Exception
* @throws CodeCoverageException
* @throws InvalidArgumentException
* @throws MoreThanOneDataSetFromDataProviderException
* @throws UnintentionallyCoveredCodeException
*/
public function run(TestCase $test): void
{
Assert::resetCount();
if ($this->configuration->registerMockObjectsFromTestArgumentsRecursively()) {
$test->registerMockObjectsFromTestArgumentsRecursively();
}
$shouldCodeCoverageBeCollected = (new CodeCoverageMetadataApi)->shouldCodeCoverageBeCollectedFor(
$test::class,
$test->name(),
);
$error = false;
$failure = false;
$incomplete = false;
$risky = false;
$skipped = false;
error_clear_last();
if ($this->shouldErrorHandlerBeUsed($test)) {
ErrorHandler::instance()->enable();
}
$collectCodeCoverage = CodeCoverage::instance()->isActive() &&
$shouldCodeCoverageBeCollected;
if ($collectCodeCoverage) {
CodeCoverage::instance()->start($test);
}
try {
if ($this->canTimeLimitBeEnforced() &&
$this->shouldTimeLimitBeEnforced($test)) {
$risky = $this->runTestWithTimeout($test);
} else {
$test->runBare();
}
} catch (AssertionFailedError $e) {
$failure = true;
if ($e instanceof IncompleteTestError) {
$incomplete = true;
} elseif ($e instanceof SkippedTest) {
$skipped = true;
}
} catch (AssertionError $e) {
$test->addToAssertionCount(1);
$failure = true;
$frame = $e->getTrace()[0];
assert(isset($frame['file']));
assert(isset($frame['line']));
$e = new AssertionFailedError(
sprintf(
'%s in %s:%s',
$e->getMessage(),
$frame['file'],
$frame['line'],
),
);
} catch (Throwable $e) {
$error = true;
}
$test->addToAssertionCount(Assert::getCount());
if ($this->configuration->reportUselessTests() &&
!$test->doesNotPerformAssertions() &&
$test->numberOfAssertionsPerformed() === 0) {
$risky = true;
}
if (!$error && !$failure && !$incomplete && !$skipped && !$risky &&
$this->configuration->requireCoverageMetadata() &&
!$this->hasCoverageMetadata($test::class, $test->name())) {
Event\Facade::emitter()->testConsideredRisky(
$test->valueObjectForEvents(),
'This test does not define a code coverage target but is expected to do so',
);
$risky = true;
}
if ($collectCodeCoverage) {
$append = !$risky && !$incomplete && !$skipped;
$linesToBeCovered = [];
$linesToBeUsed = [];
if ($append) {
try {
$linesToBeCovered = (new CodeCoverageMetadataApi)->linesToBeCovered(
$test::class,
$test->name(),
);
$linesToBeUsed = (new CodeCoverageMetadataApi)->linesToBeUsed(
$test::class,
$test->name(),
);
} catch (InvalidCoversTargetException $cce) {
Event\Facade::emitter()->testTriggeredPhpunitWarning(
$test->valueObjectForEvents(),
$cce->getMessage(),
);
$append = false;
}
}
try {
CodeCoverage::instance()->stop(
$append,
$linesToBeCovered,
$linesToBeUsed,
);
} catch (UnintentionallyCoveredCodeException $cce) {
Event\Facade::emitter()->testConsideredRisky(
$test->valueObjectForEvents(),
'This test executed code that is not listed as code to be covered or used:' .
PHP_EOL .
$cce->getMessage(),
);
} catch (OriginalCodeCoverageException $cce) {
$error = true;
$e = $e ?? $cce;
}
}
ErrorHandler::instance()->disable();
if (!$error &&
!$incomplete &&
!$skipped &&
$this->configuration->reportUselessTests() &&
!$test->doesNotPerformAssertions() &&
$test->numberOfAssertionsPerformed() === 0) {
Event\Facade::emitter()->testConsideredRisky(
$test->valueObjectForEvents(),
'This test did not perform any assertions',
);
}
if ($test->doesNotPerformAssertions() &&
$test->numberOfAssertionsPerformed() > 0) {
Event\Facade::emitter()->testConsideredRisky(
$test->valueObjectForEvents(),
sprintf(
'This test is not expected to perform assertions but performed %d assertion%s',
$test->numberOfAssertionsPerformed(),
$test->numberOfAssertionsPerformed() > 1 ? 's' : '',
),
);
}
if ($test->hasUnexpectedOutput()) {
Event\Facade::emitter()->testPrintedUnexpectedOutput($test->output());
}
if ($this->configuration->disallowTestOutput() && $test->hasUnexpectedOutput()) {
Event\Facade::emitter()->testConsideredRisky(
$test->valueObjectForEvents(),
sprintf(
'This test printed output: %s',
$test->output(),
),
);
}
if ($test->wasPrepared()) {
Event\Facade::emitter()->testFinished(
$test->valueObjectForEvents(),
$test->numberOfAssertionsPerformed(),
);
}
}
/**
* @throws \PHPUnit\Runner\Exception
* @throws \PHPUnit\Util\Exception
* @throws \SebastianBergmann\Template\InvalidArgumentException
* @throws Exception
* @throws MoreThanOneDataSetFromDataProviderException
* @throws NoPreviousThrowableException
* @throws ProcessIsolationException
* @throws StaticAnalysisCacheNotConfiguredException
*/
public function runInSeparateProcess(TestCase $test, bool $runEntireClass, bool $preserveGlobalState): void
{
$class = new ReflectionClass($test);
if ($runEntireClass) {
$template = new Template(
__DIR__ . '/../Util/PHP/Template/TestCaseClass.tpl',
);
} else {
$template = new Template(
__DIR__ . '/../Util/PHP/Template/TestCaseMethod.tpl',
);
}
$bootstrap = '';
$constants = '';
$globals = '';
$includedFiles = '';
$iniSettings = '';
if (ConfigurationRegistry::get()->hasBootstrap()) {
$bootstrap = ConfigurationRegistry::get()->bootstrap();
}
if ($preserveGlobalState) {
$constants = GlobalState::getConstantsAsString();
$globals = GlobalState::getGlobalsAsString();
$includedFiles = GlobalState::getIncludedFilesAsString();
$iniSettings = GlobalState::getIniSettingsAsString();
}
$exportObjects = Event\Facade::emitter()->exportsObjects() ? 'true' : 'false';
$coverage = CodeCoverage::instance()->isActive() ? 'true' : 'false';
$linesToBeIgnored = var_export(CodeCoverage::instance()->linesToBeIgnored(), true);
if (defined('PHPUNIT_COMPOSER_INSTALL')) {
$composerAutoload = var_export(PHPUNIT_COMPOSER_INSTALL, true);
} else {
$composerAutoload = '\'\'';
}
if (defined('__PHPUNIT_PHAR__')) {
$phar = var_export(__PHPUNIT_PHAR__, true);
} else {
$phar = '\'\'';
}
$data = var_export(serialize($test->providedData()), true);
$dataName = var_export($test->dataName(), true);
$dependencyInput = var_export(serialize($test->dependencyInput()), true);
$includePath = var_export(get_include_path(), true);
// must do these fixes because TestCaseMethod.tpl has unserialize('{data}') in it, and we can't break BC
// the lines above used to use addcslashes() rather than var_export(), which breaks null byte escape sequences
$data = "'." . $data . ".'";
$dataName = "'.(" . $dataName . ").'";
$dependencyInput = "'." . $dependencyInput . ".'";
$includePath = "'." . $includePath . ".'";
$offset = hrtime();
$serializedConfiguration = $this->saveConfigurationForChildProcess();
$processResultFile = tempnam(sys_get_temp_dir(), 'phpunit_');
$var = [
'bootstrap' => $bootstrap,
'composerAutoload' => $composerAutoload,
'phar' => $phar,
'filename' => $class->getFileName(),
'className' => $class->getName(),
'collectCodeCoverageInformation' => $coverage,
'linesToBeIgnored' => $linesToBeIgnored,
'data' => $data,
'dataName' => $dataName,
'dependencyInput' => $dependencyInput,
'constants' => $constants,
'globals' => $globals,
'include_path' => $includePath,
'included_files' => $includedFiles,
'iniSettings' => $iniSettings,
'name' => $test->name(),
'offsetSeconds' => $offset[0],
'offsetNanoseconds' => $offset[1],
'serializedConfiguration' => $serializedConfiguration,
'processResultFile' => $processResultFile,
'exportObjects' => $exportObjects,
];
if (!$runEntireClass) {
$var['methodName'] = $test->name();
}
$template->setVar($var);
$php = AbstractPhpProcess::factory();
$php->runTestJob($template->render(), $test, $processResultFile);
@unlink($serializedConfiguration);
}
/**
* @psalm-param class-string $className
* @psalm-param non-empty-string $methodName
*/
private function hasCoverageMetadata(string $className, string $methodName): bool
{
foreach (MetadataRegistry::parser()->forClassAndMethod($className, $methodName) as $metadata) {
if ($metadata->isCovers()) {
return true;
}
if ($metadata->isCoversClass()) {
return true;
}
if ($metadata->isCoversFunction()) {
return true;
}
if ($metadata->isCoversNothing()) {
return true;
}
}
return false;
}
private function canTimeLimitBeEnforced(): bool
{
if ($this->timeLimitCanBeEnforced !== null) {
return $this->timeLimitCanBeEnforced;
}
$this->timeLimitCanBeEnforced = (new Invoker)->canInvokeWithTimeout();
return $this->timeLimitCanBeEnforced;
}
private function shouldTimeLimitBeEnforced(TestCase $test): bool
{
if (!$this->configuration->enforceTimeLimit()) {
return false;
}
if (!(($this->configuration->defaultTimeLimit() || $test->size()->isKnown()))) {
return false;
}
if (extension_loaded('xdebug') && xdebug_is_debugger_active()) {
return false;
}
return true;
}
/**
* @throws Throwable
*/
private function runTestWithTimeout(TestCase $test): bool
{
$_timeout = $this->configuration->defaultTimeLimit();
$testSize = $test->size();
if ($testSize->isSmall()) {
$_timeout = $this->configuration->timeoutForSmallTests();
} elseif ($testSize->isMedium()) {
$_timeout = $this->configuration->timeoutForMediumTests();
} elseif ($testSize->isLarge()) {
$_timeout = $this->configuration->timeoutForLargeTests();
}
try {
(new Invoker)->invoke([$test, 'runBare'], [], $_timeout);
} catch (TimeoutException) {
Event\Facade::emitter()->testConsideredRisky(
$test->valueObjectForEvents(),
sprintf(
'This test was aborted after %d second%s',
$_timeout,
$_timeout !== 1 ? 's' : '',
),
);
return true;
}
return false;
}
/**
* @throws ProcessIsolationException
*/
private function saveConfigurationForChildProcess(): string
{
$path = tempnam(sys_get_temp_dir(), 'phpunit_');
if ($path === false) {
throw new ProcessIsolationException;
}
if (!ConfigurationRegistry::saveTo($path)) {
throw new ProcessIsolationException;
}
return $path;
}
private function shouldErrorHandlerBeUsed(TestCase $test): bool
{
if (MetadataRegistry::parser()->forMethod($test::class, $test->name())->isWithoutErrorHandler()->isNotEmpty()) {
return false;
}
return true;
}
}