<?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\DependencyInjection\Tests\Compiler;

use PHPUnit\Framework\TestCase;
use Symfony\Component\Config\FileLocator;
use Symfony\Component\DependencyInjection\Compiler\AutowireRequiredMethodsPass;
use Symfony\Component\DependencyInjection\Compiler\AutowirePass;
use Symfony\Component\DependencyInjection\Compiler\ResolveClassPass;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Exception\RuntimeException;
use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
use Symfony\Component\DependencyInjection\Reference;
use Symfony\Component\DependencyInjection\Tests\Fixtures\includes\FooVariadic;
use Symfony\Component\DependencyInjection\TypedReference;

require_once __DIR__.'/../Fixtures/includes/autowiring_classes.php';

/**
 * @author Kévin Dunglas <dunglas@gmail.com>
 */
class AutowirePassTest extends TestCase
{
    public function testProcess()
    {
        $container = new ContainerBuilder();

        $container->register(Foo::class);
        $barDefinition = $container->register('bar', __NAMESPACE__.'\Bar');
        $barDefinition->setAutowired(true);

        (new ResolveClassPass())->process($container);
        (new AutowirePass())->process($container);

        $this->assertCount(1, $container->getDefinition('bar')->getArguments());
        $this->assertEquals(Foo::class, (string) $container->getDefinition('bar')->getArgument(0));
    }

    /**
     * @requires PHP 5.6
     */
    public function testProcessVariadic()
    {
        $container = new ContainerBuilder();
        $container->register(Foo::class);
        $definition = $container->register('fooVariadic', FooVariadic::class);
        $definition->setAutowired(true);

        (new ResolveClassPass())->process($container);
        (new AutowirePass())->process($container);

        $this->assertCount(1, $container->getDefinition('fooVariadic')->getArguments());
        $this->assertEquals(Foo::class, (string) $container->getDefinition('fooVariadic')->getArgument(0));
    }

    /**
     * @group legacy
     * @expectedDeprecation Autowiring services based on the types they implement is deprecated since Symfony 3.3 and won't be supported in version 4.0. You should alias the "Symfony\Component\DependencyInjection\Tests\Compiler\B" service to "Symfony\Component\DependencyInjection\Tests\Compiler\A" instead.
     * @expectedExceptionInSymfony4 \Symfony\Component\DependencyInjection\Exception\RuntimeException
     * @expectedExceptionMessageInSymfony4 Cannot autowire service "c": argument "$a" of method "Symfony\Component\DependencyInjection\Tests\Compiler\C::__construct()" references class "Symfony\Component\DependencyInjection\Tests\Compiler\A" but no such service exists. You should maybe alias this class to the existing "Symfony\Component\DependencyInjection\Tests\Compiler\B" service.
     */
    public function testProcessAutowireParent()
    {
        $container = new ContainerBuilder();

        $container->register(B::class);
        $cDefinition = $container->register('c', __NAMESPACE__.'\C');
        $cDefinition->setAutowired(true);

        (new ResolveClassPass())->process($container);
        (new AutowirePass())->process($container);

        $this->assertCount(1, $container->getDefinition('c')->getArguments());
        $this->assertEquals(B::class, (string) $container->getDefinition('c')->getArgument(0));
    }

    /**
     * @group legacy
     * @expectedDeprecation Autowiring services based on the types they implement is deprecated since Symfony 3.3 and won't be supported in version 4.0. Try changing the type-hint for argument "$a" of method "Symfony\Component\DependencyInjection\Tests\Compiler\C::__construct()" to "Symfony\Component\DependencyInjection\Tests\Compiler\AInterface" instead.
     * @expectedExceptionInSymfony4 \Symfony\Component\DependencyInjection\Exception\RuntimeException
     * @expectedExceptionMessageInSymfony4 Cannot autowire service "c": argument "$a" of method "Symfony\Component\DependencyInjection\Tests\Compiler\C::__construct()" references class "Symfony\Component\DependencyInjection\Tests\Compiler\A" but no such service exists. You should maybe alias this class to the existing "Symfony\Component\DependencyInjection\Tests\Compiler\B" service.
     */
    public function testProcessLegacyAutowireWithAvailableInterface()
    {
        $container = new ContainerBuilder();

        $container->setAlias(AInterface::class, B::class);
        $container->register(B::class);
        $cDefinition = $container->register('c', __NAMESPACE__.'\C');
        $cDefinition->setAutowired(true);

        (new ResolveClassPass())->process($container);
        (new AutowirePass())->process($container);

        $this->assertCount(1, $container->getDefinition('c')->getArguments());
        $this->assertEquals(B::class, (string) $container->getDefinition('c')->getArgument(0));
    }

    /**
     * @group legacy
     * @expectedDeprecation Autowiring services based on the types they implement is deprecated since Symfony 3.3 and won't be supported in version 4.0. You should alias the "Symfony\Component\DependencyInjection\Tests\Compiler\F" service to "Symfony\Component\DependencyInjection\Tests\Compiler\DInterface" instead.
     * @expectedExceptionInSymfony4 \Symfony\Component\DependencyInjection\Exception\RuntimeException
     * @expectedExceptionMessageInSymfony4 Cannot autowire service "g": argument "$d" of method "Symfony\Component\DependencyInjection\Tests\Compiler\G::__construct()" references interface "Symfony\Component\DependencyInjection\Tests\Compiler\DInterface" but no such service exists. You should maybe alias this interface to the existing "Symfony\Component\DependencyInjection\Tests\Compiler\F" service.
     */
    public function testProcessAutowireInterface()
    {
        $container = new ContainerBuilder();

        $container->register(F::class);
        $gDefinition = $container->register('g', __NAMESPACE__.'\G');
        $gDefinition->setAutowired(true);

        (new ResolveClassPass())->process($container);
        (new AutowirePass())->process($container);

        $this->assertCount(3, $container->getDefinition('g')->getArguments());
        $this->assertEquals(F::class, (string) $container->getDefinition('g')->getArgument(0));
        $this->assertEquals(F::class, (string) $container->getDefinition('g')->getArgument(1));
        $this->assertEquals(F::class, (string) $container->getDefinition('g')->getArgument(2));
    }

    public function testCompleteExistingDefinition()
    {
        $container = new ContainerBuilder();

        $container->register('b', __NAMESPACE__.'\B');
        $container->register(DInterface::class, F::class);
        $hDefinition = $container->register('h', __NAMESPACE__.'\H')->addArgument(new Reference('b'));
        $hDefinition->setAutowired(true);

        (new ResolveClassPass())->process($container);
        (new AutowirePass())->process($container);

        $this->assertCount(2, $container->getDefinition('h')->getArguments());
        $this->assertEquals('b', (string) $container->getDefinition('h')->getArgument(0));
        $this->assertEquals(DInterface::class, (string) $container->getDefinition('h')->getArgument(1));
    }

    public function testCompleteExistingDefinitionWithNotDefinedArguments()
    {
        $container = new ContainerBuilder();

        $container->register(B::class);
        $container->register(DInterface::class, F::class);
        $hDefinition = $container->register('h', __NAMESPACE__.'\H')->addArgument('')->addArgument('');
        $hDefinition->setAutowired(true);

        (new ResolveClassPass())->process($container);
        (new AutowirePass())->process($container);

        $this->assertCount(2, $container->getDefinition('h')->getArguments());
        $this->assertEquals(B::class, (string) $container->getDefinition('h')->getArgument(0));
        $this->assertEquals(DInterface::class, (string) $container->getDefinition('h')->getArgument(1));
    }

    /**
     * @group legacy
     */
    public function testExceptionsAreStored()
    {
        $container = new ContainerBuilder();

        $container->register('c1', __NAMESPACE__.'\CollisionA');
        $container->register('c2', __NAMESPACE__.'\CollisionB');
        $container->register('c3', __NAMESPACE__.'\CollisionB');
        $aDefinition = $container->register('a', __NAMESPACE__.'\CannotBeAutowired');
        $aDefinition->setAutowired(true);

        $pass = new AutowirePass(false);
        $pass->process($container);
        $this->assertCount(1, $pass->getAutowiringExceptions());
    }

    /**
     * @expectedException \Symfony\Component\DependencyInjection\Exception\AutowiringFailedException
     * @expectedExceptionMessage Invalid service "private_service": constructor of class "Symfony\Component\DependencyInjection\Tests\Compiler\PrivateConstructor" must be public.
     */
    public function testPrivateConstructorThrowsAutowireException()
    {
        $container = new ContainerBuilder();

        $container->autowire('private_service', __NAMESPACE__.'\PrivateConstructor');

        $pass = new AutowirePass(true);
        $pass->process($container);
    }

    /**
     * @expectedException \Symfony\Component\DependencyInjection\Exception\AutowiringFailedException
     * @expectedExceptionMessage Cannot autowire service "a": argument "$collision" of method "Symfony\Component\DependencyInjection\Tests\Compiler\CannotBeAutowired::__construct()" references interface "Symfony\Component\DependencyInjection\Tests\Compiler\CollisionInterface" but no such service exists. You should maybe alias this interface to one of these existing services: "c1", "c2", "c3".
     */
    public function testTypeCollision()
    {
        $container = new ContainerBuilder();

        $container->register('c1', __NAMESPACE__.'\CollisionA');
        $container->register('c2', __NAMESPACE__.'\CollisionB');
        $container->register('c3', __NAMESPACE__.'\CollisionB');
        $aDefinition = $container->register('a', __NAMESPACE__.'\CannotBeAutowired');
        $aDefinition->setAutowired(true);

        $pass = new AutowirePass();
        $pass->process($container);
    }

    /**
     * @expectedException \Symfony\Component\DependencyInjection\Exception\AutowiringFailedException
     * @expectedExceptionMessage Cannot autowire service "a": argument "$k" of method "Symfony\Component\DependencyInjection\Tests\Compiler\NotGuessableArgument::__construct()" references class "Symfony\Component\DependencyInjection\Tests\Compiler\Foo" but no such service exists. You should maybe alias this class to one of these existing services: "a1", "a2".
     */
    public function testTypeNotGuessable()
    {
        $container = new ContainerBuilder();

        $container->register('a1', __NAMESPACE__.'\Foo');
        $container->register('a2', __NAMESPACE__.'\Foo');
        $aDefinition = $container->register('a', __NAMESPACE__.'\NotGuessableArgument');
        $aDefinition->setAutowired(true);

        $pass = new AutowirePass();
        $pass->process($container);
    }

    /**
     * @expectedException \Symfony\Component\DependencyInjection\Exception\AutowiringFailedException
     * @expectedExceptionMessage Cannot autowire service "a": argument "$k" of method "Symfony\Component\DependencyInjection\Tests\Compiler\NotGuessableArgumentForSubclass::__construct()" references class "Symfony\Component\DependencyInjection\Tests\Compiler\A" but no such service exists. You should maybe alias this class to one of these existing services: "a1", "a2".
     */
    public function testTypeNotGuessableWithSubclass()
    {
        $container = new ContainerBuilder();

        $container->register('a1', __NAMESPACE__.'\B');
        $container->register('a2', __NAMESPACE__.'\B');
        $aDefinition = $container->register('a', __NAMESPACE__.'\NotGuessableArgumentForSubclass');
        $aDefinition->setAutowired(true);

        $pass = new AutowirePass();
        $pass->process($container);
    }

    /**
     * @expectedException \Symfony\Component\DependencyInjection\Exception\AutowiringFailedException
     * @expectedExceptionMessage Cannot autowire service "a": argument "$collision" of method "Symfony\Component\DependencyInjection\Tests\Compiler\CannotBeAutowired::__construct()" references interface "Symfony\Component\DependencyInjection\Tests\Compiler\CollisionInterface" but no such service exists.
     */
    public function testTypeNotGuessableNoServicesFound()
    {
        $container = new ContainerBuilder();

        $aDefinition = $container->register('a', __NAMESPACE__.'\CannotBeAutowired');
        $aDefinition->setAutowired(true);

        $pass = new AutowirePass();
        $pass->process($container);
    }

    public function testTypeNotGuessableWithTypeSet()
    {
        $container = new ContainerBuilder();

        $container->register('a1', __NAMESPACE__.'\Foo');
        $container->register('a2', __NAMESPACE__.'\Foo');
        $container->register(Foo::class, Foo::class);
        $aDefinition = $container->register('a', __NAMESPACE__.'\NotGuessableArgument');
        $aDefinition->setAutowired(true);

        $pass = new AutowirePass();
        $pass->process($container);

        $this->assertCount(1, $container->getDefinition('a')->getArguments());
        $this->assertEquals(Foo::class, (string) $container->getDefinition('a')->getArgument(0));
    }

    public function testWithTypeSet()
    {
        $container = new ContainerBuilder();

        $container->register('c1', __NAMESPACE__.'\CollisionA');
        $container->register('c2', __NAMESPACE__.'\CollisionB');
        $container->setAlias(CollisionInterface::class, 'c2');
        $aDefinition = $container->register('a', __NAMESPACE__.'\CannotBeAutowired');
        $aDefinition->setAutowired(true);

        $pass = new AutowirePass();
        $pass->process($container);

        $this->assertCount(1, $container->getDefinition('a')->getArguments());
        $this->assertEquals(CollisionInterface::class, (string) $container->getDefinition('a')->getArgument(0));
    }

    /**
     * @group legacy
     * @expectedDeprecation Relying on service auto-registration for type "Symfony\Component\DependencyInjection\Tests\Compiler\Lille" is deprecated since Symfony 3.4 and won't be supported in 4.0. Create a service named "Symfony\Component\DependencyInjection\Tests\Compiler\Lille" instead.
     * @expectedDeprecation Relying on service auto-registration for type "Symfony\Component\DependencyInjection\Tests\Compiler\Dunglas" is deprecated since Symfony 3.4 and won't be supported in 4.0. Create a service named "Symfony\Component\DependencyInjection\Tests\Compiler\Dunglas" instead.
     */
    public function testCreateDefinition()
    {
        $container = new ContainerBuilder();

        $coopTilleulsDefinition = $container->register('coop_tilleuls', __NAMESPACE__.'\LesTilleuls');
        $coopTilleulsDefinition->setAutowired(true);

        $pass = new AutowirePass();
        $pass->process($container);

        $this->assertCount(2, $container->getDefinition('coop_tilleuls')->getArguments());
        $this->assertEquals('autowired.Symfony\Component\DependencyInjection\Tests\Compiler\Dunglas', $container->getDefinition('coop_tilleuls')->getArgument(0));
        $this->assertEquals('autowired.Symfony\Component\DependencyInjection\Tests\Compiler\Dunglas', $container->getDefinition('coop_tilleuls')->getArgument(1));

        $dunglasDefinition = $container->getDefinition('autowired.Symfony\Component\DependencyInjection\Tests\Compiler\Dunglas');
        $this->assertEquals(__NAMESPACE__.'\Dunglas', $dunglasDefinition->getClass());
        $this->assertFalse($dunglasDefinition->isPublic());
        $this->assertCount(1, $dunglasDefinition->getArguments());
        $this->assertEquals('autowired.Symfony\Component\DependencyInjection\Tests\Compiler\Lille', $dunglasDefinition->getArgument(0));

        $lilleDefinition = $container->getDefinition('autowired.Symfony\Component\DependencyInjection\Tests\Compiler\Lille');
        $this->assertEquals(__NAMESPACE__.'\Lille', $lilleDefinition->getClass());
    }

    public function testResolveParameter()
    {
        $container = new ContainerBuilder();

        $container->setParameter('class_name', Bar::class);
        $container->register(Foo::class);
        $barDefinition = $container->register('bar', '%class_name%');
        $barDefinition->setAutowired(true);

        (new ResolveClassPass())->process($container);
        (new AutowirePass())->process($container);

        $this->assertEquals(Foo::class, $container->getDefinition('bar')->getArgument(0));
    }

    public function testOptionalParameter()
    {
        $container = new ContainerBuilder();

        $container->register(A::class);
        $container->register(Foo::class);
        $optDefinition = $container->register('opt', __NAMESPACE__.'\OptionalParameter');
        $optDefinition->setAutowired(true);

        (new ResolveClassPass())->process($container);
        (new AutowirePass())->process($container);

        $definition = $container->getDefinition('opt');
        $this->assertNull($definition->getArgument(0));
        $this->assertEquals(A::class, $definition->getArgument(1));
        $this->assertEquals(Foo::class, $definition->getArgument(2));
    }

    public function testDontTriggerAutowiring()
    {
        $container = new ContainerBuilder();

        $container->register(Foo::class);
        $container->register('bar', __NAMESPACE__.'\Bar');

        (new ResolveClassPass())->process($container);
        (new AutowirePass())->process($container);

        $this->assertCount(0, $container->getDefinition('bar')->getArguments());
    }

    /**
     * @expectedException \Symfony\Component\DependencyInjection\Exception\AutowiringFailedException
     * @expectedExceptionMessage Cannot autowire service "a": argument "$r" of method "Symfony\Component\DependencyInjection\Tests\Compiler\BadTypeHintedArgument::__construct()" has type "Symfony\Component\DependencyInjection\Tests\Compiler\NotARealClass" but this class was not found.
     */
    public function testClassNotFoundThrowsException()
    {
        $container = new ContainerBuilder();

        $aDefinition = $container->register('a', __NAMESPACE__.'\BadTypeHintedArgument');
        $aDefinition->setAutowired(true);

        $container->register(Dunglas::class, Dunglas::class);

        $pass = new AutowirePass();
        $pass->process($container);
    }

    /**
     * @expectedException \Symfony\Component\DependencyInjection\Exception\AutowiringFailedException
     * @expectedExceptionMessage Cannot autowire service "a": argument "$r" of method "Symfony\Component\DependencyInjection\Tests\Compiler\BadParentTypeHintedArgument::__construct()" has type "Symfony\Component\DependencyInjection\Tests\Compiler\OptionalServiceClass" but this class is missing a parent class (Class Symfony\Bug\NotExistClass not found).
     */
    public function testParentClassNotFoundThrowsException()
    {
        $container = new ContainerBuilder();

        $aDefinition = $container->register('a', __NAMESPACE__.'\BadParentTypeHintedArgument');
        $aDefinition->setAutowired(true);

        $container->register(Dunglas::class, Dunglas::class);

        $pass = new AutowirePass();
        $pass->process($container);
    }

    /**
     * @group legacy
     * @expectedDeprecation Autowiring services based on the types they implement is deprecated since Symfony 3.3 and won't be supported in version 4.0. You should rename (or alias) the "foo" service to "Symfony\Component\DependencyInjection\Tests\Compiler\Foo" instead.
     * @expectedExceptionInSymfony4 \Symfony\Component\DependencyInjection\Exception\AutowiringFailedException
     * @expectedExceptionMessageInSymfony4 Cannot autowire service "bar": argument "$foo" of method "Symfony\Component\DependencyInjection\Tests\Compiler\Bar::__construct()" references class "Symfony\Component\DependencyInjection\Tests\Compiler\Foo" but this service is abstract. You should maybe alias this class to the existing "foo" service.
     */
    public function testDontUseAbstractServices()
    {
        $container = new ContainerBuilder();

        $container->register(Foo::class)->setAbstract(true);
        $container->register('foo', __NAMESPACE__.'\Foo');
        $container->register('bar', __NAMESPACE__.'\Bar')->setAutowired(true);

        (new ResolveClassPass())->process($container);
        (new AutowirePass())->process($container);
    }

    public function testSomeSpecificArgumentsAreSet()
    {
        $container = new ContainerBuilder();

        $container->register('foo', Foo::class);
        $container->register(A::class);
        $container->register(Dunglas::class);
        $container->register('multiple', __NAMESPACE__.'\MultipleArguments')
            ->setAutowired(true)
            // set the 2nd (index 1) argument only: autowire the first and third
            // args are: A, Foo, Dunglas
            ->setArguments(array(
                1 => new Reference('foo'),
            ));

        (new ResolveClassPass())->process($container);
        (new AutowirePass())->process($container);

        $definition = $container->getDefinition('multiple');
        $this->assertEquals(
            array(
                new TypedReference(A::class, A::class, MultipleArguments::class),
                new Reference('foo'),
                new TypedReference(Dunglas::class, Dunglas::class, MultipleArguments::class),
            ),
            $definition->getArguments()
        );
    }

    /**
     * @expectedException \Symfony\Component\DependencyInjection\Exception\AutowiringFailedException
     * @expectedExceptionMessage Cannot autowire service "arg_no_type_hint": argument "$foo" of method "Symfony\Component\DependencyInjection\Tests\Compiler\MultipleArguments::__construct()" must have a type-hint or be given a value explicitly.
     */
    public function testScalarArgsCannotBeAutowired()
    {
        $container = new ContainerBuilder();

        $container->register(A::class);
        $container->register(Dunglas::class);
        $container->register('arg_no_type_hint', __NAMESPACE__.'\MultipleArguments')
            ->setAutowired(true);

        (new ResolveClassPass())->process($container);
        (new AutowirePass())->process($container);
    }

    public function testOptionalScalarNotReallyOptionalUsesDefaultValue()
    {
        $container = new ContainerBuilder();

        $container->register(A::class);
        $container->register(Lille::class);
        $definition = $container->register('not_really_optional_scalar', __NAMESPACE__.'\MultipleArgumentsOptionalScalarNotReallyOptional')
            ->setAutowired(true);

        (new ResolveClassPass())->process($container);
        (new AutowirePass())->process($container);

        $this->assertSame('default_val', $definition->getArgument(1));
    }

    public function testOptionalScalarArgsDontMessUpOrder()
    {
        $container = new ContainerBuilder();

        $container->register(A::class);
        $container->register(Lille::class);
        $container->register('with_optional_scalar', __NAMESPACE__.'\MultipleArgumentsOptionalScalar')
            ->setAutowired(true);

        (new ResolveClassPass())->process($container);
        (new AutowirePass())->process($container);

        $definition = $container->getDefinition('with_optional_scalar');
        $this->assertEquals(
            array(
                new TypedReference(A::class, A::class, MultipleArgumentsOptionalScalar::class),
                // use the default value
                'default_val',
                new TypedReference(Lille::class, Lille::class),
            ),
            $definition->getArguments()
        );
    }

    public function testOptionalScalarArgsNotPassedIfLast()
    {
        $container = new ContainerBuilder();

        $container->register(A::class);
        $container->register(Lille::class);
        $container->register('with_optional_scalar_last', __NAMESPACE__.'\MultipleArgumentsOptionalScalarLast')
            ->setAutowired(true);

        (new ResolveClassPass())->process($container);
        (new AutowirePass())->process($container);

        $definition = $container->getDefinition('with_optional_scalar_last');
        $this->assertEquals(
            array(
                new TypedReference(A::class, A::class, MultipleArgumentsOptionalScalarLast::class),
                new TypedReference(Lille::class, Lille::class, MultipleArgumentsOptionalScalarLast::class),
            ),
            $definition->getArguments()
        );
    }

    public function testOptionalArgsNoRequiredForCoreClasses()
    {
        $container = new ContainerBuilder();

        $container->register('foo', \SplFileObject::class)
            ->addArgument('foo.txt')
            ->setAutowired(true);

        (new AutowirePass())->process($container);

        $definition = $container->getDefinition('foo');
        $this->assertEquals(
            array('foo.txt'),
            $definition->getArguments()
        );
    }

    public function testSetterInjection()
    {
        $container = new ContainerBuilder();
        $container->register(Foo::class);
        $container->register(A::class);
        $container->register(CollisionA::class);
        $container->register(CollisionB::class);

        // manually configure *one* call, to override autowiring
        $container
            ->register('setter_injection', SetterInjection::class)
            ->setAutowired(true)
            ->addMethodCall('setWithCallsConfigured', array('manual_arg1', 'manual_arg2'))
        ;

        (new ResolveClassPass())->process($container);
        (new AutowireRequiredMethodsPass())->process($container);
        (new AutowirePass())->process($container);

        $methodCalls = $container->getDefinition('setter_injection')->getMethodCalls();

        $this->assertEquals(
            array('setWithCallsConfigured', 'setFoo', 'setDependencies', 'setChildMethodWithoutDocBlock'),
            array_column($methodCalls, 0)
        );

        // test setWithCallsConfigured args
        $this->assertEquals(
            array('manual_arg1', 'manual_arg2'),
            $methodCalls[0][1]
        );
        // test setFoo args
        $this->assertEquals(
            array(new TypedReference(Foo::class, Foo::class, SetterInjection::class)),
            $methodCalls[1][1]
        );
    }

    public function testExplicitMethodInjection()
    {
        $container = new ContainerBuilder();
        $container->register(Foo::class);
        $container->register(A::class);
        $container->register(CollisionA::class);
        $container->register(CollisionB::class);

        $container
            ->register('setter_injection', SetterInjection::class)
            ->setAutowired(true)
            ->addMethodCall('notASetter', array())
        ;

        (new ResolveClassPass())->process($container);
        (new AutowireRequiredMethodsPass())->process($container);
        (new AutowirePass())->process($container);

        $methodCalls = $container->getDefinition('setter_injection')->getMethodCalls();

        $this->assertEquals(
            array('notASetter', 'setFoo', 'setDependencies', 'setWithCallsConfigured', 'setChildMethodWithoutDocBlock'),
            array_column($methodCalls, 0)
        );
        $this->assertEquals(
            array(new TypedReference(A::class, A::class, SetterInjection::class)),
            $methodCalls[0][1]
        );
    }

    /**
     * @group legacy
     * @expectedDeprecation Relying on service auto-registration for type "Symfony\Component\DependencyInjection\Tests\Compiler\A" is deprecated since Symfony 3.4 and won't be supported in 4.0. Create a service named "Symfony\Component\DependencyInjection\Tests\Compiler\A" instead.
     */
    public function testTypedReference()
    {
        $container = new ContainerBuilder();

        $container
            ->register('bar', Bar::class)
            ->setProperty('a', array(new TypedReference(A::class, A::class, Bar::class)))
        ;

        $pass = new AutowirePass();
        $pass->process($container);

        $this->assertSame(A::class, $container->getDefinition('autowired.'.A::class)->getClass());
    }

    /**
     * @dataProvider getCreateResourceTests
     * @group legacy
     */
    public function testCreateResourceForClass($className, $isEqual)
    {
        $startingResource = AutowirePass::createResourceForClass(
            new \ReflectionClass(__NAMESPACE__.'\ClassForResource')
        );
        $newResource = AutowirePass::createResourceForClass(
            new \ReflectionClass(__NAMESPACE__.'\\'.$className)
        );

        // hack so the objects don't differ by the class name
        $startingReflObject = new \ReflectionObject($startingResource);
        $reflProp = $startingReflObject->getProperty('class');
        $reflProp->setAccessible(true);
        $reflProp->setValue($startingResource, __NAMESPACE__.'\\'.$className);

        if ($isEqual) {
            $this->assertEquals($startingResource, $newResource);
        } else {
            $this->assertNotEquals($startingResource, $newResource);
        }
    }

    public function getCreateResourceTests()
    {
        return array(
            array('IdenticalClassResource', true),
            array('ClassChangedConstructorArgs', false),
        );
    }

    public function testIgnoreServiceWithClassNotExisting()
    {
        $container = new ContainerBuilder();

        $container->register('class_not_exist', __NAMESPACE__.'\OptionalServiceClass');

        $barDefinition = $container->register('bar', __NAMESPACE__.'\Bar');
        $barDefinition->setAutowired(true);

        $container->register(Foo::class, Foo::class);

        $pass = new AutowirePass();
        $pass->process($container);

        $this->assertTrue($container->hasDefinition('bar'));
    }

    /**
     * @expectedException \Symfony\Component\DependencyInjection\Exception\AutowiringFailedException
     * @expectedExceptionMessage Cannot autowire service "setter_injection_collision": argument "$collision" of method "Symfony\Component\DependencyInjection\Tests\Compiler\SetterInjectionCollision::setMultipleInstancesForOneArg()" references interface "Symfony\Component\DependencyInjection\Tests\Compiler\CollisionInterface" but no such service exists. You should maybe alias this interface to one of these existing services: "c1", "c2".
     */
    public function testSetterInjectionCollisionThrowsException()
    {
        $container = new ContainerBuilder();

        $container->register('c1', CollisionA::class);
        $container->register('c2', CollisionB::class);
        $aDefinition = $container->register('setter_injection_collision', SetterInjectionCollision::class);
        $aDefinition->setAutowired(true);

        (new AutowireRequiredMethodsPass())->process($container);

        $pass = new AutowirePass();
        $pass->process($container);
    }

    /**
     * @expectedException \Symfony\Component\DependencyInjection\Exception\AutowiringFailedException
     * @expectedExceptionMessage Cannot autowire service "my_service": argument "$i" of method "Symfony\Component\DependencyInjection\Tests\Compiler\K::__construct()" references interface "Symfony\Component\DependencyInjection\Tests\Compiler\IInterface" but no such service exists. Did you create a class that implements this interface?
     */
    public function testInterfaceWithNoImplementationSuggestToWriteOne()
    {
        $container = new ContainerBuilder();

        $aDefinition = $container->register('my_service', K::class);
        $aDefinition->setAutowired(true);

        (new AutowireRequiredMethodsPass())->process($container);

        $pass = new AutowirePass();
        $pass->process($container);
    }

    /**
     * @group legacy
     * @expectedDeprecation Autowiring services based on the types they implement is deprecated since Symfony 3.3 and won't be supported in version 4.0. You should rename (or alias) the "foo" service to "Symfony\Component\DependencyInjection\Tests\Compiler\Foo" instead.
     * @expectedExceptionInSymfony4 \Symfony\Component\DependencyInjection\Exception\AutowiringFailedException
     * @expectedExceptionMessageInSymfony4 Cannot autowire service "bar": argument "$foo" of method "Symfony\Component\DependencyInjection\Tests\Compiler\Bar::__construct()" references class "Symfony\Component\DependencyInjection\Tests\Compiler\Foo" but no such service exists. You should maybe alias this class to the existing "foo" service.
     */
    public function testProcessDoesNotTriggerDeprecations()
    {
        $container = new ContainerBuilder();
        $container->register('deprecated', 'Symfony\Component\DependencyInjection\Tests\Fixtures\DeprecatedClass')->setDeprecated(true);
        $container->register('foo', __NAMESPACE__.'\Foo');
        $container->register('bar', __NAMESPACE__.'\Bar')->setAutowired(true);

        $pass = new AutowirePass();
        $pass->process($container);

        $this->assertTrue($container->hasDefinition('deprecated'));
        $this->assertTrue($container->hasDefinition('foo'));
        $this->assertTrue($container->hasDefinition('bar'));
    }

    public function testEmptyStringIsKept()
    {
        $container = new ContainerBuilder();

        $container->register(A::class);
        $container->register(Lille::class);
        $container->register('foo', __NAMESPACE__.'\MultipleArgumentsOptionalScalar')
            ->setAutowired(true)
            ->setArguments(array('', ''));

        (new ResolveClassPass())->process($container);
        (new AutowirePass())->process($container);

        $this->assertEquals(array(new TypedReference(A::class, A::class, MultipleArgumentsOptionalScalar::class), '', new TypedReference(Lille::class, Lille::class)), $container->getDefinition('foo')->getArguments());
    }

    public function testWithFactory()
    {
        $container = new ContainerBuilder();

        $container->register(Foo::class);
        $definition = $container->register('a', A::class)
            ->setFactory(array(A::class, 'create'))
            ->setAutowired(true);

        (new ResolveClassPass())->process($container);
        (new AutowirePass())->process($container);

        $this->assertEquals(array(new TypedReference(Foo::class, Foo::class, A::class)), $definition->getArguments());
    }

    /**
     * @dataProvider provideNotWireableCalls
     * @expectedException \Symfony\Component\DependencyInjection\Exception\AutowiringFailedException
     */
    public function testNotWireableCalls($method, $expectedMsg)
    {
        $container = new ContainerBuilder();

        $foo = $container->register('foo', NotWireable::class)->setAutowired(true)
            ->addMethodCall('setBar', array())
            ->addMethodCall('setOptionalNotAutowireable', array())
            ->addMethodCall('setOptionalNoTypeHint', array())
            ->addMethodCall('setOptionalArgNoAutowireable', array())
        ;

        if ($method) {
            $foo->addMethodCall($method, array());
        }

        if (method_exists($this, 'expectException')) {
            $this->expectException(RuntimeException::class);
            $this->expectExceptionMessage($expectedMsg);
        } else {
            $this->setExpectedException(RuntimeException::class, $expectedMsg);
        }

        (new ResolveClassPass())->process($container);
        (new AutowireRequiredMethodsPass())->process($container);
        (new AutowirePass())->process($container);
    }

    public function provideNotWireableCalls()
    {
        return array(
            array('setNotAutowireable', 'Cannot autowire service "foo": argument "$n" of method "Symfony\Component\DependencyInjection\Tests\Compiler\NotWireable::setNotAutowireable()" has type "Symfony\Component\DependencyInjection\Tests\Compiler\NotARealClass" but this class was not found.'),
            array('setDifferentNamespace', 'Cannot autowire service "foo": argument "$n" of method "Symfony\Component\DependencyInjection\Tests\Compiler\NotWireable::setDifferentNamespace()" references class "stdClass" but no such service exists. It cannot be auto-registered because it is from a different root namespace.'),
            array(null, 'Invalid service "foo": method "Symfony\Component\DependencyInjection\Tests\Compiler\NotWireable::setProtectedMethod()" must be public.'),
        );
    }

    /**
     * @group legacy
     * @expectedDeprecation Autowiring services based on the types they implement is deprecated since Symfony 3.3 and won't be supported in version 4.0. Try changing the type-hint for argument "$i" of method "Symfony\Component\DependencyInjection\Tests\Compiler\J::__construct()" to "Symfony\Component\DependencyInjection\Tests\Compiler\IInterface" instead.
     * @expectedExceptionInSymfony4 \Symfony\Component\DependencyInjection\Exception\AutowiringFailedException
     * @expectedExceptionMessageInSymfony4 Cannot autowire service "j": argument "$i" of method "Symfony\Component\DependencyInjection\Tests\Compiler\J::__construct()" references class "Symfony\Component\DependencyInjection\Tests\Compiler\I" but no such service exists. Try changing the type-hint to "Symfony\Component\DependencyInjection\Tests\Compiler\IInterface" instead.
     */
    public function testByIdAlternative()
    {
        $container = new ContainerBuilder();

        $container->setAlias(IInterface::class, 'i');
        $container->register('i', I::class);
        $container->register('j', J::class)
            ->setAutowired(true);

        $pass = new AutowirePass();
        $pass->process($container);
    }

    /**
     * @group legacy
     * @expectedDeprecation Autowiring services based on the types they implement is deprecated since Symfony 3.3 and won't be supported in version 4.0. Try changing the type-hint for "Symfony\Component\DependencyInjection\Tests\Compiler\A" in "Symfony\Component\DependencyInjection\Tests\Compiler\Bar" to "Symfony\Component\DependencyInjection\Tests\Compiler\AInterface" instead.
     */
    public function testTypedReferenceDeprecationNotice()
    {
        $container = new ContainerBuilder();

        $container->register('aClass', A::class);
        $container->setAlias(AInterface::class, 'aClass');
        $container
            ->register('bar', Bar::class)
            ->setProperty('a', array(new TypedReference(A::class, A::class, Bar::class)))
        ;

        $pass = new AutowirePass();
        $pass->process($container);
    }

    /**
     * @expectedException \Symfony\Component\DependencyInjection\Exception\AutowiringFailedException
     * @expectedExceptionMessage Cannot autowire service "j": argument "$i" of method "Symfony\Component\DependencyInjection\Tests\Compiler\J::__construct()" references class "Symfony\Component\DependencyInjection\Tests\Compiler\I" but no such service exists. Try changing the type-hint to "Symfony\Component\DependencyInjection\Tests\Compiler\IInterface" instead.
     */
    public function testExceptionWhenAliasExists()
    {
        $container = new ContainerBuilder();

        // multiple I services... but there *is* IInterface available
        $container->setAlias(IInterface::class, 'i');
        $container->register('i', I::class);
        $container->register('i2', I::class);
        // J type-hints against I concretely
        $container->register('j', J::class)
            ->setAutowired(true);

        $pass = new AutowirePass();
        $pass->process($container);
    }

    /**
     * @expectedException \Symfony\Component\DependencyInjection\Exception\AutowiringFailedException
     * @expectedExceptionMessage Cannot autowire service "j": argument "$i" of method "Symfony\Component\DependencyInjection\Tests\Compiler\J::__construct()" references class "Symfony\Component\DependencyInjection\Tests\Compiler\I" but no such service exists. You should maybe alias this class to one of these existing services: "i", "i2".
     */
    public function testExceptionWhenAliasDoesNotExist()
    {
        $container = new ContainerBuilder();

        // multiple I instances... but no IInterface alias
        $container->register('i', I::class);
        $container->register('i2', I::class);
        // J type-hints against I concretely
        $container->register('j', J::class)
            ->setAutowired(true);

        $pass = new AutowirePass();
        $pass->process($container);
    }

    public function testInlineServicesAreNotCandidates()
    {
        $container = new ContainerBuilder();
        $loader = new XmlFileLoader($container, new FileLocator(realpath(__DIR__.'/../Fixtures/xml')));
        $loader->load('services_inline_not_candidate.xml');

        $pass = new AutowirePass();
        $pass->process($container);

        $this->assertSame(array(), $container->getDefinition('autowired')->getArguments());
    }
}
