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ArgumentMetadataFactory example

use Symfony\Component\HttpKernel\Tests\Fixtures\Controller\AttributeController;
use Symfony\Component\HttpKernel\Tests\Fixtures\Controller\BasicTypesController;
use Symfony\Component\HttpKernel\Tests\Fixtures\Controller\NullableController;
use Symfony\Component\HttpKernel\Tests\Fixtures\Controller\VariadicController;

class ArgumentMetadataFactoryTest extends TestCase
{
    private ArgumentMetadataFactory $factory;

    protected function setUp(): void
    {
        $this->factory = new ArgumentMetadataFactory();
    }

    public function testSignature1()
    {
        $arguments = $this->factory->createArgumentMetadata($this->signature1(...));

        $this->assertEquals([
            new ArgumentMetadata('foo', self::class, false, false, null),
            new ArgumentMetadata('bar', 'array', false, false, null),
            new ArgumentMetadata('baz', 'callable', false, false, null),
        ], $arguments);
    }

final class ArgumentResolver implements ArgumentResolverInterface
{
    private ArgumentMetadataFactoryInterface $argumentMetadataFactory;
    private iterable $argumentValueResolvers;
    private ?ContainerInterface $namedResolvers;

    /** * @param iterable<mixed, ArgumentValueResolverInterface|ValueResolverInterface> $argumentValueResolvers */
    public function __construct(ArgumentMetadataFactoryInterface $argumentMetadataFactory = null, iterable $argumentValueResolvers = [], ContainerInterface $namedResolvers = null)
    {
        $this->argumentMetadataFactory = $argumentMetadataFactory ?? new ArgumentMetadataFactory();
        $this->argumentValueResolvers = $argumentValueResolvers ?: self::getDefaultArgumentValueResolvers();
        $this->namedResolvers = $namedResolvers;
    }

    public function getArguments(Request $request, callable $controller, \ReflectionFunctionAbstract $reflector = null): array
    {
        $arguments = [];

        foreach ($this->argumentMetadataFactory->createArgumentMetadata($controller, $reflector) as $metadata) {
            $argumentValueResolvers = $this->argumentValueResolvers;
            $disabledResolvers = [];

use Symfony\Component\HttpKernel\Tests\Fixtures\Controller\NullableController;
use Symfony\Component\HttpKernel\Tests\Fixtures\Controller\VariadicController;

class ArgumentResolverTest extends TestCase
{
    public static function getResolver(array $chainableResolvers = [], array $namedResolvers = null): ArgumentResolver
    {
        if (null !== $namedResolvers) {
            $namedResolvers = new ServiceLocator(array_map(fn ($resolver) => fn () => $resolver, $namedResolvers));
        }

        return new ArgumentResolver(new ArgumentMetadataFactory(), $chainableResolvers, $namedResolvers);
    }

    public function testDefaultState()
    {
        $this->assertEquals(self::getResolver(), new ArgumentResolver());
        $this->assertNotEquals(self::getResolver(), new ArgumentResolver(null, [new RequestAttributeValueResolver()]));
    }

    public function testGetArguments()
    {
        $request = Request::create('/');