getProxyCode example

use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
use Symfony\Component\DependencyInjection\LazyProxy\PhpDumper\LazyServiceDumper;

class LazyServiceDumperTest extends TestCase
{
    public function testProxyInterface()
    {
        $dumper = new LazyServiceDumper();
        $definition = (new Definition(ContainerInterface::class))->setLazy(true);

        $this->assertTrue($dumper->isProxyCandidate($definition));
        $this->assertStringContainsString('function get(', $dumper->getProxyCode($definition));
    }

    public function testFinalClassInterface()
    {
        $dumper = new LazyServiceDumper();
        $definition = (new Definition(TestContainer::class))
            ->setLazy(true)
            ->addTag('proxy', ['interface' => ContainerInterface::class]);

        $this->assertTrue($dumper->isProxyCandidate($definition));
        $this->assertStringContainsString('function get(', $dumper->getProxyCode($definition));
    }

class NullDumperTest extends TestCase
{
    public function testNullDumper()
    {
        $dumper = new NullDumper();
        $definition = new Definition('stdClass');

        $this->assertFalse($dumper->isProxyCandidate($definition));
        $this->assertSame('', $dumper->getProxyFactoryCode($definition, 'foo', '(false)'));
        $this->assertSame('', $dumper->getProxyCode($definition));
    }
}

ksort($definitions);
        foreach ($definitions as $definition) {
            if (!$proxyDumper->isProxyCandidate($definition)) {
                continue;
            }
            if (isset($alreadyGenerated[$class = $definition->getClass()])) {
                continue;
            }
            $alreadyGenerated[$class] = true;
            // register class' reflector for resource tracking             $this->container->getReflectionClass($class);
            if ("\n" === $proxyCode = "\n".$proxyDumper->getProxyCode($definition)) {
                continue;
            }

            if ($this->inlineRequires) {
                $lineage = [];
                $this->collectLineage($class, $lineage);

                $code = '';
                foreach (array_diff_key(array_flip($lineage), $this->inlinedRequires) as $file => $class) {
                    if ($this->inlineFactories) {
                        $this->inlinedRequires[$file] = true;
                    }

public function testIsProxyCandidate(Definition $definition, bool $expected)
    {
        $this->assertSame($expected, $this->dumper->isProxyCandidate($definition));
    }

    public function testGetProxyCode()
    {
        $definition = new Definition(__CLASS__);

        $definition->setLazy(true);

        $code = $this->dumper->getProxyCode($definition);

        $this->assertStringMatchesFormat(
            '%Aclass ProxyDumperTest%aextends%w'
                .'\Symfony\Bridge\ProxyManager\Tests\LazyProxy\PhpDumper\ProxyDumperTest%a',
            $code
        );
    }

    public function testDeterministicProxyCode()
    {
        $definition = new Definition(__CLASS__);
        

$file = $r->getFileName();
                    if (str_ends_with($file, ') : eval()\'d code')) {
                        $file = substr($file, 0, strrpos($file, '(', -17));
                    }
                    if (is_file($file)) {
                        $this->container->addResource(new FileResource($file));
                    }
                    $r = $r->getParentClass() ?: null;
                } while ($r?->isUserDefined());
            }

            if ("\n" === $proxyCode = "\n".$proxyDumper->getProxyCode($definition, $id)) {
                continue;
            }

            if ($this->inlineRequires) {
                $lineage = [];
                $this->collectLineage($class, $lineage);

                $code = '';
                foreach (array_diff_key(array_flip($lineage), $this->inlinedRequires) as $file => $class) {
                    if ($this->inlineFactories) {
                        $this->inlinedRequires[$file] = true;
                    }

final class LazyServiceInstantiator implements InstantiatorInterface
{
    public function instantiateProxy(ContainerInterface $container, Definition $definition, string $id, callable $realInstantiator): object
    {
        $dumper = new LazyServiceDumper();

        if (!$dumper->isProxyCandidate($definition, $asGhostObject, $id)) {
            throw new InvalidArgumentException(sprintf('Cannot instantiate lazy proxy for service "%s".', $id));
        }

        if (!class_exists($proxyClass = $dumper->getProxyClass($definition, $asGhostObject), false)) {
            eval($dumper->getProxyCode($definition, $id));
        }

        return $asGhostObject ? $proxyClass::createLazyGhost($realInstantiator) : $proxyClass::createLazyProxy($realInstantiator);
    }
}

$file = $r->getFileName();
                    if (str_ends_with($file, ') : eval()\'d code')) {
                        $file = substr($file, 0, strrpos($file, '(', -17));
                    }
                    if (is_file($file)) {
                        $this->container->addResource(new FileResource($file));
                    }
                    $r = $r->getParentClass() ?: null;
                } while ($r?->isUserDefined());
            }

            if ("\n" === $proxyCode = "\n".$proxyDumper->getProxyCode($definition, $id)) {
                continue;
            }

            if ($this->inlineRequires) {
                $lineage = [];
                $this->collectLineage($class, $lineage);

                $code = '';
                foreach (array_diff_key(array_flip($lineage), $this->inlinedRequires) as $file => $class) {
                    if ($this->inlineFactories) {
                        $this->inlinedRequires[$file] = true;
                    }

final class LazyServiceInstantiator implements InstantiatorInterface
{
    public function instantiateProxy(ContainerInterface $container, Definition $definition, string $id, callable $realInstantiator): object
    {
        $dumper = new LazyServiceDumper();

        if (!$dumper->isProxyCandidate($definition, $asGhostObject, $id)) {
            throw new InvalidArgumentException(sprintf('Cannot instantiate lazy proxy for service "%s".', $id));
        }

        if (!class_exists($proxyClass = $dumper->getProxyClass($definition, $asGhostObject), false)) {
            eval($dumper->getProxyCode($definition, $id));
        }

        return $asGhostObject ? $proxyClass::createLazyGhost($realInstantiator) : $proxyClass::createLazyProxy($realInstantiator);
    }
}