Test controller with a stubbed ParamConverter

UserControllerTest.php

<?php

// Bunch of use ...

class UserControllerTest extends WebTestCase 
{
    function setUp()
    {
        $this->client = static::createClient();
    }
function testItRendersShowPage()
    {
        $user = new User();

        $entityRepository = $this->getMockBuilder(EntityRepository::class)
            ->disableOriginalConstructor()
            ->getMock();
        $entityRepository->expects($this->any())
            ->method('find')
            ->willReturn($user);

        $objectManager = $this->getMockBuilder(ObjectManager::class)
            ->disableOriginalConstructor()
            ->getMock();
        $objectManager->expects($this->any())
            ->method('getRepository')
            ->willReturn($entityRepository);

        $managerRegistry = $this->getMockBuilder(ManagerRegistry::class)
            ->setMethods(array('getManagerForClass'))
            ->disableOriginalConstructor()
            ->getMockForAbstractClass();
        $managerRegistry->expects($this->any())
            ->method('getManagerForClass')
            ->willReturn($objectManager);

        $doctrineParamConverter = 
            $this->getMockBuilder(DoctrineParamConverter::class)
                 ->setMethods(array('__construct', 'supports'))
                 ->setConstructorArgs(array($managerRegistry))
                 ->getMock();
        $doctrineParamConverter
            ->method('supports')
            ->willReturn(true);
        
            $paramManager = $this->getMockBuilder(ParamConverterManager::class)
            ->setMethods(array('add', 'all'))
            ->disableOriginalConstructor()
            ->getMock();
        $paramManager->add($doctrineParamConverter, 10);
        $paramManager
            ->method('all')
            ->willReturn([$doctrineParamConverter]);

        $paramListener = $this->getMockBuilder(ParamConverterListener::class)
            ->setMethods(array('__construct'))
            ->setConstructorArgs(array($paramManager))
            ->getMock();

        $this
            ->client
            ->getContainer()
            ->set('sensio_framework_extra.converter.listener', $paramListener);

        $crawler = $this->client->request('GET', '/user/1');
        $this->assertEquals(
            200, $this->client->getResponse()->getStatusCode()
        );
    }
}