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Introduce
--threads=max
option value to automatically detect the nu…
…mber of CPU cores (#1723) * Introduce `--threads=max` option value to automatically detect the number of CPU cores Implements #1722 * Fix CS
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<?php | ||
/** | ||
* This code is licensed under the BSD 3-Clause License. | ||
* | ||
* Copyright (c) 2017, Maks Rafalko | ||
* All rights reserved. | ||
* | ||
* Redistribution and use in source and binary forms, with or without | ||
* modification, are permitted provided that the following conditions are met: | ||
* | ||
* * Redistributions of source code must retain the above copyright notice, this | ||
* list of conditions and the following disclaimer. | ||
* | ||
* * Redistributions in binary form must reproduce the above copyright notice, | ||
* this list of conditions and the following disclaimer in the documentation | ||
* and/or other materials provided with the distribution. | ||
* | ||
* * Neither the name of the copyright holder nor the names of its | ||
* contributors may be used to endorse or promote products derived from | ||
* this software without specific prior written permission. | ||
* | ||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | ||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | ||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | ||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | ||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
*/ | ||
|
||
declare(strict_types=1); | ||
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namespace Infection\Resource\Processor; | ||
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use function defined; | ||
use function extension_loaded; | ||
use const FILTER_VALIDATE_INT; | ||
use function filter_var; | ||
use function function_exists; | ||
use function is_int; | ||
use function is_readable; | ||
use function Safe\file_get_contents; | ||
use function Safe\shell_exec; | ||
use function substr_count; | ||
use function trim; | ||
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/** | ||
* @internal | ||
*/ | ||
final class CpuCoresCountProvider | ||
{ | ||
/** | ||
* Copied and adapter from Psalm project: https://github.com/vimeo/psalm/blob/4.x/src/Psalm/Internal/Analyzer/ProjectAnalyzer.php#L1454 | ||
*/ | ||
public static function provide(): int | ||
{ | ||
if (defined('PHP_WINDOWS_VERSION_MAJOR')) { | ||
return 1; | ||
} | ||
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if (!extension_loaded('pcntl') || !function_exists('shell_exec')) { | ||
return 1; | ||
} | ||
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// for Linux | ||
$hasNproc = trim(@shell_exec('command -v nproc')); | ||
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if ($hasNproc !== '') { | ||
$nproc = trim(shell_exec('nproc')); | ||
$cpuCount = filter_var($nproc, FILTER_VALIDATE_INT); | ||
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if (is_int($cpuCount)) { | ||
return $cpuCount; | ||
} | ||
} | ||
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// for MacOS | ||
$ncpu = trim(shell_exec('sysctl -n hw.ncpu')); | ||
$cpuCount = filter_var($ncpu, FILTER_VALIDATE_INT); | ||
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if (is_int($cpuCount)) { | ||
return $cpuCount; | ||
} | ||
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if (is_readable('/proc/cpuinfo')) { | ||
$cpuInfo = file_get_contents('/proc/cpuinfo'); | ||
$cpuCount = substr_count($cpuInfo, 'processor'); | ||
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if ($cpuCount > 0) { | ||
return $cpuCount; | ||
} | ||
} | ||
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return 1; | ||
} | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,61 @@ | ||
<?php | ||
/** | ||
* This code is licensed under the BSD 3-Clause License. | ||
* | ||
* Copyright (c) 2017, Maks Rafalko | ||
* All rights reserved. | ||
* | ||
* Redistribution and use in source and binary forms, with or without | ||
* modification, are permitted provided that the following conditions are met: | ||
* | ||
* * Redistributions of source code must retain the above copyright notice, this | ||
* list of conditions and the following disclaimer. | ||
* | ||
* * Redistributions in binary form must reproduce the above copyright notice, | ||
* this list of conditions and the following disclaimer in the documentation | ||
* and/or other materials provided with the distribution. | ||
* | ||
* * Neither the name of the copyright holder nor the names of its | ||
* contributors may be used to endorse or promote products derived from | ||
* this software without specific prior written permission. | ||
* | ||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | ||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | ||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | ||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | ||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
*/ | ||
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declare(strict_types=1); | ||
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namespace Infection\Tests\Command; | ||
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use Infection\Console\Application; | ||
use Infection\Tests\SingletonContainer; | ||
use InvalidArgumentException; | ||
use PHPUnit\Framework\TestCase; | ||
use Symfony\Component\Console\Tester\CommandTester; | ||
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/** | ||
* @group integration | ||
*/ | ||
final class RunCommandTest extends TestCase | ||
{ | ||
public function test_it_fails_when_threads_value_is_string_but_not_max(): void | ||
{ | ||
$this->expectException(InvalidArgumentException::class); | ||
$this->expectExceptionMessage('The value of option `--threads` must be of type integer or string "max". String "abc" provided.'); | ||
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$app = new Application(SingletonContainer::getContainer()); | ||
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$tester = new CommandTester($app->find('run')); | ||
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$result = $tester->execute(['--threads' => 'abc']); | ||
$this->assertSame(1, $result); | ||
} | ||
} |