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<?php declare(strict_types=1);
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/*
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 * This file is part of PHPUnit.
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 *
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 * (c) Sebastian Bergmann <sebastian@phpunit.de>
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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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namespace PHPUnit\Runner;
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use const DIRECTORY_SEPARATOR;
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use const LOCK_EX;
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use function assert;
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use function dirname;
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use function file_get_contents;
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use function file_put_contents;
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use function in_array;
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use function is_array;
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use function is_dir;
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use function is_file;
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use function json_decode;
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use function json_encode;
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use function sprintf;
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use PHPUnit\Util\Filesystem;
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/**
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 * @internal This class is not covered by the backward compatibility promise for PHPUnit
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 */
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final class DefaultTestResultCache implements TestResultCache
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{
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    /**
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     * @var int
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     */
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    private const VERSION = 1;
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    /**
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     * @psalm-var list<int>
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     */
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    private const ALLOWED_TEST_STATUSES = [
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        BaseTestRunner::STATUS_SKIPPED,
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        BaseTestRunner::STATUS_INCOMPLETE,
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        BaseTestRunner::STATUS_FAILURE,
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        BaseTestRunner::STATUS_ERROR,
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        BaseTestRunner::STATUS_RISKY,
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        BaseTestRunner::STATUS_WARNING,
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    ];
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    /**
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     * @var string
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     */
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    private const DEFAULT_RESULT_CACHE_FILENAME = '.phpunit.result.cache';
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    /**
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     * @var string
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     */
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    private $cacheFilename;
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    /**
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     * @psalm-var array<string, int>
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     */
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    private $defects = [];
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    /**
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     * @psalm-var array<string, float>
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     */
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    private $times = [];
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    public function __construct(?string $filepath = null)
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    {
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        if ($filepath !== null && is_dir($filepath)) {
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            $filepath .= DIRECTORY_SEPARATOR . self::DEFAULT_RESULT_CACHE_FILENAME;
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        }
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        $this->cacheFilename = $filepath ?? $_ENV['PHPUNIT_RESULT_CACHE'] ?? self::DEFAULT_RESULT_CACHE_FILENAME;
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    }
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    public function setState(string $testName, int $state): void
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    {
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        if (!in_array($state, self::ALLOWED_TEST_STATUSES, true)) {
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            return;
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        }
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        $this->defects[$testName] = $state;
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    }
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    public function getState(string $testName): int
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    {
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        return $this->defects[$testName] ?? BaseTestRunner::STATUS_UNKNOWN;
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    }
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    public function setTime(string $testName, float $time): void
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    {
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        $this->times[$testName] = $time;
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    }
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    public function getTime(string $testName): float
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    {
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        return $this->times[$testName] ?? 0.0;
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    }
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    public function load(): void
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    {
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        if (!is_file($this->cacheFilename)) {
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            return;
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        }
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        $data = json_decode(
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            file_get_contents($this->cacheFilename),
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            true
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        );
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        if ($data === null) {
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            return;
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        }
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        if (!isset($data['version'])) {
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            return;
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        }
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        if ($data['version'] !== self::VERSION) {
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            return;
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        }
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        assert(isset($data['defects']) && is_array($data['defects']));
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        assert(isset($data['times']) && is_array($data['times']));
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        $this->defects = $data['defects'];
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        $this->times   = $data['times'];
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    }
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    /**
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     * @throws Exception
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     */
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    public function persist(): void
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    {
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        if (!Filesystem::createDirectory(dirname($this->cacheFilename))) {
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            throw new Exception(
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                sprintf(
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                    'Cannot create directory "%s" for result cache file',
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                    $this->cacheFilename
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                )
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            );
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        }
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        file_put_contents(
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            $this->cacheFilename,
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            json_encode(
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                [
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                    'version' => self::VERSION,
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                    'defects' => $this->defects,
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                    'times'   => $this->times,
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                ]
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            ),
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            LOCK_EX
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        );
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    }
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}