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ClosureLoader example

namespace Symfony\Component\DependencyInjection\Tests\Loader;

use PHPUnit\Framework\TestCase;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Loader\ClosureLoader;

class ClosureLoaderTest extends TestCase
{
    public function testSupports()
    {
        $loader = new ClosureLoader(new ContainerBuilder());

        $this->assertTrue($loader->supports(function D$container) {}), '->supports() returns true if the resource is loadable');
        $this->assertFalse($loader->supports('foo.foo'), '->supports() returns true if the resource is loadable');
    }

    public function testLoad()
    {
        $loader = new ClosureLoader($container = new ContainerBuilder(), 'some-env');

        $loader->load(function D$container, $env) {
            $container->setParameter('foo', 'foo');

protected function setUp(): void
    {
        self::$fixturesPath = realpath(__DIR__.'/../Fixtures/');

        $container = new ContainerBuilder();
        $this->resolver = new LoaderResolver([
            new XmlFileLoader($container, new FileLocator(self::$fixturesPath.'/xml')),
            new YamlFileLoader($container, new FileLocator(self::$fixturesPath.'/yaml')),
            new IniFileLoader($container, new FileLocator(self::$fixturesPath.'/ini')),
            new PhpFileLoader($container, new FileLocator(self::$fixturesPath.'/php')),
            new ClosureLoader($container),
        ]);
    }

    public static function provideResourcesToLoad()
    {
        return [
            ['ini_with_wrong_ext.xml', 'ini', IniFileLoader::class],
            ['xml_with_wrong_ext.php', 'xml', XmlFileLoader::class],
            ['php_with_wrong_ext.yml', 'php', PhpFileLoader::class],
            ['yaml_with_wrong_ext.ini', 'yaml', YamlFileLoader::class],
        ];
    }

return $container;
        }
        $container->compile();

        return self::$containerCache[$cacheKey] = $container;
    }

    protected function createContainerFromClosure($closure, $data = [])
    {
        $container = $this->createContainer($data);
        $container->registerExtension(new FrameworkExtension());
        $loader = new ClosureLoader($container);
        $loader->load($closure);

        $container->getCompilerPassConfig()->setOptimizationPasses([]);
        $container->getCompilerPassConfig()->setRemovingPasses([]);
        $container->getCompilerPassConfig()->setAfterRemovingPasses([]);
        $container->compile();

        return $container;
    }

    private function assertPathPackage(ContainerBuilder $container, ChildDefinition $package, $basePath, $version, $format)
    {

public function testRoutingRouteLoaderTagIsAdded()
    {
        $frameworkExtension = $this->createMock(ExtensionInterface::class);
        $frameworkExtension
            ->expects($this->atLeastOnce())
            ->method('getAlias')
            ->willReturn('framework');
        $container = new ContainerBuilder();
        $container->registerExtension($frameworkExtension);
        $kernel = $this->kernel = new ConcreteMicroKernel('test', false);
        $kernel->registerContainerConfiguration(new ClosureLoader($container));
        $this->assertTrue($container->getDefinition('kernel')->hasTag('routing.route_loader'));
    }

    public function testFlexStyle()
    {
        $kernel = new FlexStyleMicroKernel('test', false);
        $kernel->boot();

        $request = Request::create('/');
        $response = $kernel->handle($request);

namespace Symfony\Component\Routing\Tests\Loader;

use PHPUnit\Framework\TestCase;
use Symfony\Component\Routing\Loader\ClosureLoader;
use Symfony\Component\Routing\Route;
use Symfony\Component\Routing\RouteCollection;

class ClosureLoaderTest extends TestCase
{
    public function testSupports()
    {
        $loader = new ClosureLoader();

        $closure = function D) {};

        $this->assertTrue($loader->supports($closure), '->supports() returns true if the resource is loadable');
        $this->assertFalse($loader->supports('foo.foo'), '->supports() returns true if the resource is loadable');

        $this->assertTrue($loader->supports($closure, 'closure'), '->supports() checks the resource type if specified');
        $this->assertFalse($loader->supports($closure, 'foo'), '->supports() checks the resource type if specified');
    }

    public function testLoad()
    {

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) {
            $this->startTime = microtime(true);
        }
        if ($this->debug && !isset($_ENV['SHELL_VERBOSITY']) && !isset($_SERVER['SHELL_VERBOSITY'])) {

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);
    }
}

$container->setDefinition('abstract_service', $abstract);
        $container->setAlias('abstract_alias', 'abstract_service')->setPublic(true);

        $container->compile();

        $this->assertSame('abstract_service', (string) $container->getAlias('abstract_alias'));
    }

    public function testLazyLoadedService()
    {
        $loader = new ClosureLoader($container = new ContainerBuilder());
        $loader->load(function DContainerBuilder $container) {
            $container->set('a', new \BazClass());
            $definition = new Definition('BazClass');
            $definition->setLazy(true);
            $definition->setPublic(true);
            $container->setDefinition('a', $definition);
        });

        $container->setResourceTracking(true);

        $container->compile();