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✏️ Editing: ArgumentResolverTest.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\HttpKernel\Tests\Controller;

use PHPUnit\Framework\TestCase;
use Symfony\Component\DependencyInjection\ServiceLocator;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Session\Session;
use Symfony\Component\HttpFoundation\Session\SessionInterface;
use Symfony\Component\HttpFoundation\Session\Storage\MockArraySessionStorage;
use Symfony\Component\HttpKernel\Attribute\ValueResolver;
use Symfony\Component\HttpKernel\Controller\ArgumentResolver;
use Symfony\Component\HttpKernel\Controller\ArgumentResolver\DefaultValueResolver;
use Symfony\Component\HttpKernel\Controller\ArgumentResolver\RequestAttributeValueResolver;
use Symfony\Component\HttpKernel\Controller\ValueResolverInterface;
use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadataFactory;
use Symfony\Component\HttpKernel\Exception\NearMissValueResolverException;
use Symfony\Component\HttpKernel\Exception\ResolverNotFoundException;
use Symfony\Component\HttpKernel\Tests\Fixtures\Controller\ExtendingRequest;
use Symfony\Component\HttpKernel\Tests\Fixtures\Controller\ExtendingSession;
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('/');
        $request->attributes->set('foo', 'foo');
        $controller = [new ArgumentResolverTestController(), 'controllerWithFoo'];

$this->assertEquals(['foo'], self::getResolver()->getArguments($request, $controller), '->getArguments() returns an array of arguments for the controller method');
    }

public function testGetArgumentsReturnsEmptyArrayWhenNoArguments()
    {
        $request = Request::create('/');
        $controller = [new ArgumentResolverTestController(), 'controllerWithoutArguments'];

$this->assertEquals([], self::getResolver()->getArguments($request, $controller), '->getArguments() returns an empty array if the method takes no arguments');
    }

public function testGetArgumentsUsesDefaultValue()
    {
        $request = Request::create('/');
        $request->attributes->set('foo', 'foo');
        $controller = [new ArgumentResolverTestController(), 'controllerWithFooAndDefaultBar'];

$this->assertEquals(['foo', null], self::getResolver()->getArguments($request, $controller), '->getArguments() uses default values if present');
    }

public function testGetArgumentsOverrideDefaultValueByRequestAttribute()
    {
        $request = Request::create('/');
        $request->attributes->set('foo', 'foo');
        $request->attributes->set('bar', 'bar');
        $controller = [new ArgumentResolverTestController(), 'controllerWithFooAndDefaultBar'];

$this->assertEquals(['foo', 'bar'], self::getResolver()->getArguments($request, $controller), '->getArguments() overrides default values if provided in the request attributes');
    }

public function testGetArgumentsFromClosure()
    {
        $request = Request::create('/');
        $request->attributes->set('foo', 'foo');
        $controller = function ($foo) {};

$this->assertEquals(['foo'], self::getResolver()->getArguments($request, $controller));
    }

public function testGetArgumentsUsesDefaultValueFromClosure()
    {
        $request = Request::create('/');
        $request->attributes->set('foo', 'foo');
        $controller = function ($foo, $bar = 'bar') {};

$this->assertEquals(['foo', 'bar'], self::getResolver()->getArguments($request, $controller));
    }

public function testGetArgumentsFromInvokableObject()
    {
        $request = Request::create('/');
        $request->attributes->set('foo', 'foo');
        $controller = new ArgumentResolverTestController();

$this->assertEquals(['foo', null], self::getResolver()->getArguments($request, $controller));

// Test default bar overridden by request attribute
        $request->attributes->set('bar', 'bar');

$this->assertEquals(['foo', 'bar'], self::getResolver()->getArguments($request, $controller));
    }

public function testGetArgumentsFromFunctionName()
    {
        $request = Request::create('/');
        $request->attributes->set('foo', 'foo');
        $request->attributes->set('foobar', 'foobar');
        $controller = __NAMESPACE__.'\controller_function';

$this->assertEquals(['foo', 'foobar'], self::getResolver()->getArguments($request, $controller));
    }

public function testGetArgumentsFailsOnUnresolvedValue()
    {
        $request = Request::create('/');
        $request->attributes->set('foo', 'foo');
        $request->attributes->set('foobar', 'foobar');
        $controller = [new ArgumentResolverTestController(), 'controllerWithFooBarFoobar'];

try {
            self::getResolver()->getArguments($request, $controller);
            $this->fail('->getArguments() throws a \RuntimeException exception if it cannot determine the argument value');
        } catch (\Exception $e) {
            $this->assertInstanceOf(\RuntimeException::class, $e, '->getArguments() throws a \RuntimeException exception if it cannot determine the argument value');
        }
    }

public function testGetArgumentsInjectsRequest()
    {
        $request = Request::create('/');
        $controller = [new ArgumentResolverTestController(), 'controllerWithRequest'];

$this->assertEquals([$request], self::getResolver()->getArguments($request, $controller), '->getArguments() injects the request');
    }

public function testGetArgumentsInjectsExtendingRequest()
    {
        $request = ExtendingRequest::create('/');
        $controller = [new ArgumentResolverTestController(), 'controllerWithExtendingRequest'];

$this->assertEquals([$request], self::getResolver()->getArguments($request, $controller), '->getArguments() injects the request when extended');
    }

public function testGetVariadicArguments()
    {
        $request = Request::create('/');
        $request->attributes->set('foo', 'foo');
        $request->attributes->set('bar', ['foo', 'bar']);
        $controller = [new VariadicController(), 'action'];

$this->assertEquals(['foo', 'foo', 'bar'], self::getResolver()->getArguments($request, $controller));
    }

public function testGetVariadicArgumentsWithoutArrayInRequest()
    {
        $this->expectException(\InvalidArgumentException::class);
        $request = Request::create('/');
        $request->attributes->set('foo', 'foo');
        $request->attributes->set('bar', 'foo');
        $controller = [new VariadicController(), 'action'];

self::getResolver()->getArguments($request, $controller);
    }

public function testIfExceptionIsThrownWhenMissingAnArgument()
    {
        $request = Request::create('/');
        $controller = (new ArgumentResolverTestController())->controllerWithFoo(...);

$this->expectException(\RuntimeException::class);
        $this->expectExceptionMessage('Controller "'.ArgumentResolverTestController::class.'::controllerWithFoo" requires the "$foo" argument that could not be resolved. Either the argument is nullable and no null value has been provided, no default value has been provided or there is a non-optional argument after this one.');
        self::getResolver()->getArguments($request, $controller);
    }

public function testGetNullableArguments()
    {
        $request = Request::create('/');
        $request->attributes->set('foo', 'foo');
        $request->attributes->set('bar', new \stdClass());
        $request->attributes->set('last', 'last');
        $controller = [new NullableController(), 'action'];

$this->assertEquals(['foo', new \stdClass(), 'value', 'last'], self::getResolver()->getArguments($request, $controller));
    }

public function testGetNullableArgumentsWithDefaults()
    {
        $request = Request::create('/');
        $request->attributes->set('last', 'last');
        $controller = [new NullableController(), 'action'];

$this->assertEquals([null, null, 'value', 'last'], self::getResolver()->getArguments($request, $controller));
    }

public function testGetSessionArguments()
    {
        $session = new Session(new MockArraySessionStorage());
        $request = Request::create('/');
        $request->setSession($session);
        $controller = (new ArgumentResolverTestController())->controllerWithSession(...);

$this->assertEquals([$session], self::getResolver()->getArguments($request, $controller));
    }

public function testGetSessionArgumentsWithExtendedSession()
    {
        $session = new ExtendingSession(new MockArraySessionStorage());
        $request = Request::create('/');
        $request->setSession($session);
        $controller = (new ArgumentResolverTestController())->controllerWithExtendingSession(...);

$this->assertEquals([$session], self::getResolver()->getArguments($request, $controller));
    }

public function testGetSessionArgumentsWithInterface()
    {
        $session = $this->createMock(SessionInterface::class);
        $request = Request::create('/');
        $request->setSession($session);
        $controller = (new ArgumentResolverTestController())->controllerWithSessionInterface(...);

$this->assertEquals([$session], self::getResolver()->getArguments($request, $controller));
    }

public function testGetSessionMissMatchWithInterface()
    {
        $this->expectException(\RuntimeException::class);
        $session = $this->createMock(SessionInterface::class);
        $request = Request::create('/');
        $request->setSession($session);
        $controller = (new ArgumentResolverTestController())->controllerWithExtendingSession(...);

self::getResolver()->getArguments($request, $controller);
    }

public function testGetSessionMissMatchWithImplementation()
    {
        $this->expectException(\RuntimeException::class);
        $session = new Session(new MockArraySessionStorage());
        $request = Request::create('/');
        $request->setSession($session);
        $controller = (new ArgumentResolverTestController())->controllerWithExtendingSession(...);

self::getResolver()->getArguments($request, $controller);
    }

public function testGetSessionMissMatchOnNull()
    {
        $this->expectException(\RuntimeException::class);
        $request = Request::create('/');
        $controller = (new ArgumentResolverTestController())->controllerWithExtendingSession(...);

self::getResolver()->getArguments($request, $controller);
    }

public function testTargetedResolver()
    {
        $resolver = self::getResolver([], [DefaultValueResolver::class => new DefaultValueResolver()]);

$request = Request::create('/');
        $request->attributes->set('foo', 'bar');
        $controller = (new ArgumentResolverTestController())->controllerTargetingResolver(...);

$this->assertSame([1], $resolver->getArguments($request, $controller));
    }

public function testTargetedResolverWithDefaultValue()
    {
        $resolver = self::getResolver([], [TestEntityValueResolver::class => new TestEntityValueResolver()]);

$request = Request::create('/');
        $controller = (new ArgumentResolverTestController())->controllerTargetingResolverWithDefaultValue(...);

/** @var Post[] $arguments */
        $arguments = $resolver->getArguments($request, $controller);

$this->assertCount(1, $arguments);
        $this->assertSame('Default', $arguments[0]->title);
    }

public function testTargetedResolverWithNullableValue()
    {
        $resolver = self::getResolver([], [TestEntityValueResolver::class => new TestEntityValueResolver()]);

$request = Request::create('/');
        $controller = (new ArgumentResolverTestController())->controllerTargetingResolverWithNullableValue(...);

$this->assertSame([null], $resolver->getArguments($request, $controller));
    }

public function testTargetedResolverWithRequestAttributeValue()
    {
        $resolver = self::getResolver([], [TestEntityValueResolver::class => new TestEntityValueResolver()]);

$request = Request::create('/');
        $request->attributes->set('foo', $object = new Post('Random '.time()));
        $controller = (new ArgumentResolverTestController())->controllerTargetingResolverWithTestEntity(...);

$this->assertSame([$object], $resolver->getArguments($request, $controller));
    }

public function testDisabledResolver()
    {
        $resolver = self::getResolver(namedResolvers: []);

$request = Request::create('/');
        $request->attributes->set('foo', 'bar');
        $controller = (new ArgumentResolverTestController())->controllerDisablingResolver(...);

$this->assertSame([1], $resolver->getArguments($request, $controller));
    }

public function testManyTargetedResolvers()
    {
        $resolver = self::getResolver(namedResolvers: []);

$request = Request::create('/');
        $controller = (new ArgumentResolverTestController())->controllerTargetingManyResolvers(...);

$this->expectException(\LogicException::class);
        $resolver->getArguments($request, $controller);
    }

public function testUnknownTargetedResolver()
    {
        $resolver = self::getResolver(namedResolvers: []);

$request = Request::create('/');
        $controller = (new ArgumentResolverTestController())->controllerTargetingUnknownResolver(...);

$this->expectException(ResolverNotFoundException::class);
        $resolver->getArguments($request, $controller);
    }

public function testResolversChainCompletionWhenResolverThrowsSpecialException()
    {
        $failingValueResolver = new class implements ValueResolverInterface {
            public function resolve(Request $request, ArgumentMetadata $argument): iterable
            {
                throw new NearMissValueResolverException('This resolver throws an exception');
            }
        };
        // Put failing value resolver in the beginning
        $expectedToCallValueResolver = $this->createMock(ValueResolverInterface::class);
        $expectedToCallValueResolver->expects($this->once())->method('resolve')->willReturn([123]);

$resolver = self::getResolver([$failingValueResolver, ...ArgumentResolver::getDefaultArgumentValueResolvers(), $expectedToCallValueResolver]);
        $request = Request::create('/');
        $controller = [new ArgumentResolverTestController(), 'controllerWithFoo'];

$actualArguments = $resolver->getArguments($request, $controller);
        self::assertEquals([123], $actualArguments);
    }

public function testExceptionListSingle()
    {
        $failingValueResolverOne = new class implements ValueResolverInterface {
            public function resolve(Request $request, ArgumentMetadata $argument): iterable
            {
                throw new NearMissValueResolverException('Some reason why value could not be resolved.');
            }
        };

$resolver = self::getResolver([$failingValueResolverOne]);
        $request = Request::create('/');
        $controller = [new ArgumentResolverTestController(), 'controllerWithFoo'];

$this->expectException(\RuntimeException::class);
        $this->expectExceptionMessage('Controller "Symfony\Component\HttpKernel\Tests\Controller\ArgumentResolverTestController::controllerWithFoo" requires the "$foo" argument that could not be resolved. Some reason why value could not be resolved.');
        $resolver->getArguments($request, $controller);
    }

public function testExceptionListMultiple()
    {
        $failingValueResolverOne = new class implements ValueResolverInterface {
            public function resolve(Request $request, ArgumentMetadata $argument): iterable
            {
                throw new NearMissValueResolverException('Some reason why value could not be resolved.');
            }
        };
        $failingValueResolverTwo = new class implements ValueResolverInterface {
            public function resolve(Request $request, ArgumentMetadata $argument): iterable
            {
                throw new NearMissValueResolverException('Another reason why value could not be resolved.');
            }
        };

$resolver = self::getResolver([$failingValueResolverOne, $failingValueResolverTwo]);
        $request = Request::create('/');
        $controller = [new ArgumentResolverTestController(), 'controllerWithFoo'];

$this->expectException(\RuntimeException::class);
        $this->expectExceptionMessage('Controller "Symfony\Component\HttpKernel\Tests\Controller\ArgumentResolverTestController::controllerWithFoo" requires the "$foo" argument that could not be resolved. Possible reasons: 1) Some reason why value could not be resolved. 2) Another reason why value could not be resolved.');
        $resolver->getArguments($request, $controller);
    }
}

class ArgumentResolverTestController
{
    public function __invoke($foo, $bar = null)
    {
    }

public function controllerWithFoo($foo)
    {
    }

public function controllerWithoutArguments()
    {
    }

public function controllerWithFooAndDefaultBar($foo, $bar = null)
    {
    }

public function controllerWithFooBarFoobar($foo, $bar, $foobar)
    {
    }

public function controllerWithRequest(Request $request)
    {
    }

public function controllerWithExtendingRequest(ExtendingRequest $request)
    {
    }

public function controllerWithSession(Session $session)
    {
    }

public function controllerWithSessionInterface(SessionInterface $session)
    {
    }

public function controllerWithExtendingSession(ExtendingSession $session)
    {
    }

public function controllerTargetingResolver(#[ValueResolver(DefaultValueResolver::class)] int $foo = 1)
    {
    }

public function controllerTargetingResolverWithDefaultValue(#[ValueResolver(TestEntityValueResolver::class)] Post $foo = new Post('Default'))
    {
    }

public function controllerTargetingResolverWithNullableValue(#[ValueResolver(TestEntityValueResolver::class)] ?Post $foo)
    {
    }

public function controllerTargetingResolverWithTestEntity(#[ValueResolver(TestEntityValueResolver::class)] Post $foo)
    {
    }

public function controllerDisablingResolver(#[ValueResolver(RequestAttributeValueResolver::class, disabled: true)] int $foo = 1)
    {
    }

public function controllerTargetingManyResolvers(
        #[ValueResolver(RequestAttributeValueResolver::class)]
        #[ValueResolver(DefaultValueResolver::class)]
        int $foo,
    ) {
    }

public function controllerTargetingUnknownResolver(
        #[ValueResolver('foo')]
        int $bar,
    ) {
    }
}

function controller_function($foo, $foobar)
{
}

class TestEntityValueResolver implements ValueResolverInterface
{
    public function resolve(Request $request, ArgumentMetadata $argument): iterable
    {
        return Post::class === $argument->getType() && $request->request->has('title')
            ? [new Post($request->request->get('title'))]
            : [];
    }
}

class Post
{
    public function __construct(
        public readonly string $title,
    ) {
    }
}

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