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<?php |
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/** |
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* This file is part of tenside/core. |
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* |
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* (c) Christian Schiffler <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* This project is provided in good faith and hope to be usable by anyone. |
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* |
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* @package tenside/core |
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* @author Christian Schiffler <[email protected]> |
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* @copyright 2015 Christian Schiffler <[email protected]> |
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* @license https://github.com/tenside/core/blob/master/LICENSE MIT |
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* @link https://github.com/tenside/core |
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* @filesource |
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*/ |
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namespace Tenside\Core\SelfTest\Cli; |
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use Symfony\Component\Process\Process; |
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use Tenside\Core\SelfTest\AbstractSelfTest; |
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/** |
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* This class tests that the php-cli can fork sub processes. |
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*/ |
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class SelfTestCliCanFork extends AbstractSelfTest |
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{ |
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/** |
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* The interpreter to use. |
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* |
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* @var string |
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*/ |
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private $interpreter; |
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/** |
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* Check that we have a correct CLI executable of PHP. |
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* |
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* @return void |
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*/ |
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public function doTest() |
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{ |
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$this->setMessage('Check if the PHP CLI executable can fork processes.'); |
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if (null === ($this->interpreter = $this->getAutoConfig()->getPhpCliBinary())) { |
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$this->markSkipped('No PHP interpreter detected, can not test - assuming forking is not supported.'); |
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$this->getAutoConfig()->setForkingAvailable(false); |
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return; |
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} |
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$output = $this->testCliRuntime('var_export(function_exists("pcntl_fork"));'); |
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if ('true' !== $output) { |
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$this->markFailed('Function pcntl_fork not available (Output: ' . $output . ').'); |
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$this->getAutoConfig()->setForkingAvailable(false); |
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return; |
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} |
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$output = $this->testCliRuntime('var_export(pcntl_fork());'); |
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if (is_numeric($output)) { |
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if ('-1' === $output) { |
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$this->markFailed('Function pcntl_fork() returned -1. Forking is not supported.'); |
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$this->getAutoConfig()->setForkingAvailable(false); |
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return; |
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} |
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$this->markSuccess('Forked as pid ' . $output); |
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$this->getAutoConfig()->setForkingAvailable(true); |
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return; |
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} |
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$this->getAutoConfig()->setForkingAvailable(false); |
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$this->markWarning( |
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'Could not determine if forking is possible, assuming not supported (Output : ' . $output .').' |
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); |
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} |
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/** |
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* Runs the passed test script through the php cli and returns the output. |
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* |
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* @param string $testScript The test script to run. |
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* |
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* @return null|string |
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*/ |
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private function testCliRuntime($testScript) |
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{ |
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$process = new Process( |
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sprintf('%s %s', escapeshellcmd($this->interpreter), escapeshellarg('-r ' . $testScript)) |
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); |
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if (0 !== $process->run()) { |
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return null; |
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} |
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return $process->getOutput(); |
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} |
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} |
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