VersionCheckCommand.php

<?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\TextUI\Command;

use const PHP_EOL;
use function assert;
use function sprintf;
use function version_compare;
use PHPUnit\Util\Http\Downloader;

/**
 * @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 VersionCheckCommand implements Command {
    private readonly Downloader $downloader;
    private readonly int $majorVersionNumber;
    private readonly string $versionId;
    public function __construct(Downloader $downloader, int $majorVersionNumber, string $versionId) {
        $this->downloader = $downloader;
        $this->majorVersionNumber = $majorVersionNumber;
        $this->versionId = $versionId;
    }
    public function execute() : Result {
        $latestVersion = $this->downloader
            ->download('https://phar.phpunit.de/latest-version-of/phpunit');
        assert($latestVersion !== false);
        $latestCompatibleVersion = $this->downloader
            ->download('https://phar.phpunit.de/latest-version-of/phpunit-' . $this->majorVersionNumber);
        assert($latestCompatibleVersion !== false);
        $notLatest = version_compare($latestVersion, $this->versionId, '>');
        $notLatestCompatible = version_compare($latestCompatibleVersion, $this->versionId, '>');
        if (!$notLatest && !$notLatestCompatible) {
            return Result::from('You are using the latest version of PHPUnit.' . PHP_EOL);
        }
        $buffer = 'You are not using the latest version of PHPUnit.' . PHP_EOL;
        if ($notLatestCompatible) {
            $buffer .= sprintf('The latest version compatible with PHPUnit %s is PHPUnit %s.' . PHP_EOL, $this->versionId, $latestCompatibleVersion);
        }
        if ($notLatest) {
            $buffer .= sprintf('The latest version is PHPUnit %s.' . PHP_EOL, $latestVersion);
        }
        return Result::from($buffer);
    }

}