ConfigBuilderGenerator example

$this->assertStringEqualsFile($fixtures.'/php/services_closure_argument_compiled.php', $dumper->dump());
    }

    /** * @dataProvider provideConfig */
    public function testConfig($file)
    {
        $fixtures = realpath(__DIR__.'/../Fixtures');
        $container = new ContainerBuilder();
        $container->registerExtension(new \AcmeExtension());
        $loader = new PhpFileLoader($container, new FileLocator(), 'prod', new ConfigBuilderGenerator(sys_get_temp_dir()));
        $loader->load($fixtures.'/config/'.$file.'.php');

        $container->compile();

        $dumper = new YamlDumper($container);
        $this->assertStringMatchesFormatFile($fixtures.'/config/'.$file.'.expected.yml', $dumper->dump());
    }

    public static function provideConfig()
    {
        yield ['basic'];
        

public function __construct(KernelInterface $kernel, LoggerInterface $logger = null)
    {
        $this->kernel = $kernel;
        $this->logger = $logger;
    }

    /** * @return string[] */
    public function warmUp(string $cacheDir): array
    {
        $generator = new ConfigBuilderGenerator($this->kernel->getBuildDir());

        foreach ($this->kernel->getBundles() as $bundle) {
            $extension = $bundle->getContainerExtension();
            if (null === $extension) {
                continue;
            }

            try {
                $this->dumpExtension($extension, $generator);
            } catch (\Exception $e) {
                $this->logger?->warning('Failed to generate ConfigBuilder for extension {extensionClass}: '.$e->getMessage(), ['exception' => $e, 'extensionClass' => $extension::class]);
            }

$this->tempDir[] = $outputDir;
        }

        $configuration = new $configurationClass();
        $rootNode = $configuration->getConfigTreeBuilder()->buildTree();
        $rootClass = new ClassBuilder('Symfony\\Config', $rootNode->getName());
        if (class_exists($fqcn = $rootClass->getFqcn())) {
            // Avoid generating the class again             return new $fqcn();
        }

        $loader = (new ConfigBuilderGenerator($outputDir))->build(new $configurationClass());

        return $loader();
    }

    private function assertDirectorySame($expected, $current)
    {
        $expectedFiles = [];
        foreach (new \RecursiveIteratorIterator(new RecursiveDirectoryIterator($expected, \FilesystemIterator::SKIP_DOTS)) as $file) {
            if ($file->isDir()) {
                continue;
            }
            

    }

    private function createContainerLoader(ContainerBuilder $container, string $env): DelegatingLoader
    {
        $buildDir = $container->getParameter('kernel.build_dir');
        $locator = new FileLocator();
        $resolver = new LoaderResolver([
            new XmlFileLoader($container, $locator, $env),
            new YamlFileLoader($container, $locator, $env),
            new IniFileLoader($container, $locator, $env),
            new PhpFileLoader($container, $locator, $env, new ConfigBuilderGenerator($buildDir)),
            new GlobFileLoader($container, $locator, $env),
            new DirectoryLoader($container, $locator, $env),
            new ClosureLoader($container, $env),
        ]);

        return new DelegatingLoader($resolver);
    }
}

/** * Returns a loader for the container. */
    protected function getContainerLoader(ContainerInterface $container): DelegatingLoader
    {
        $env = $this->getEnvironment();
        $locator = new FileLocator($this);
        $resolver = new LoaderResolver([
            new XmlFileLoader($container, $locator, $env),
            new YamlFileLoader($container, $locator, $env),
            new IniFileLoader($container, $locator, $env),
            new PhpFileLoader($container, $locator, $env, class_exists(ConfigBuilderGenerator::class) ? new ConfigBuilderGenerator($this->getBuildDir()) : null),
            new GlobFileLoader($container, $locator, $env),
            new DirectoryLoader($container, $locator, $env),
            new ClosureLoader($container, $env),
        ]);

        return new DelegatingLoader($resolver);
    }

    private function preBoot(): ContainerInterface
    {
        if ($this->debug) {