rector/packages/Testing/PHPUnit/AbstractTestCase.php

<?php

declare (strict_types=1);
namespace Rector\Testing\PHPUnit;

use PHPUnit\Framework\TestCase;
use RectorPrefix202308\Psr\Container\ContainerInterface;
use Rector\Core\Exception\ShouldNotHappenException;
use Rector\Core\Kernel\RectorKernel;
use Rector\Core\Util\FileHasher;
abstract class AbstractTestCase extends TestCase
{
    /**
     * @var array<string, RectorKernel>
     */
    private static $kernelsByHash = [];
    /**
     * @var \Psr\Container\ContainerInterface|null
     */
    private static $currentContainer;
    protected function boot() : void
    {
        $this->bootFromConfigFiles([]);
    }
    /**
     * @param string[] $configFiles
     */
    protected function bootFromConfigFiles(array $configFiles) : void
    {
        $fileHasher = new FileHasher();
        $configsHash = $fileHasher->hashFiles($configFiles);
        if (isset(self::$kernelsByHash[$configsHash])) {
            $rectorKernel = self::$kernelsByHash[$configsHash];
            self::$currentContainer = $rectorKernel->getContainer();
        } else {
            $rectorKernel = new RectorKernel();
            $containerBuilder = $rectorKernel->createFromConfigs($configFiles);
            self::$kernelsByHash[$configsHash] = $rectorKernel;
            self::$currentContainer = $containerBuilder;
        }
    }
    /**
     * Syntax-sugar to remove static
     *
     * @template T of object
     * @param class-string<T> $type
     * @return T
     */
    protected function getService(string $type) : object
    {
        if (!self::$currentContainer instanceof ContainerInterface) {
            throw new ShouldNotHappenException('First, create container with "boot()" or "bootWithConfigFileInfos([...])"');
        }
        $object = self::$currentContainer->get($type);
        if ($object === null) {
            $message = \sprintf('Service "%s" was not found', $type);
            throw new ShouldNotHappenException($message);
        }
        return $object;
    }
}