Step 2 - FixtureContext

behat.yml

default:
    suites:
        default:
            contexts:
                # other contexts
                # ....
                - FixtureContext:
                    doctrine: '@doctrine'
                    loader: '@fidry_alice_data_fixtures.doctrine.persister_loader'
                    fixturesBasePath: '%paths.base%/tests/Fixtures/'
    
    # We need Behat's Symfony2 extension to be able to inject Symfony services 
    # composer require --dev behat/symfony2-extension
    extensions:
        Behat\Symfony2Extension:
            kernel:
                class: App\Kernel

FixtureContext.php

<?php

declare(strict_types=1);

use Behat\Behat\Context\Context;
use Doctrine\Bundle\DoctrineBundle\Registry;
use Fidry\AliceDataFixtures\LoaderInterface;

class FixtureContext implements Context
{
    /** @var LoaderInterface */
    private $loader;
    
    /** @var string */
    private $fixturesBasePath;
    
    /** 
     * @var array Will contain all fixtures in an array with the fixture
     *            references as key 
     */
    private $fixtures;
    
    public function __construct(
        Registry $doctrine,
        LoaderInterface $loader,
        string $fixturesBasePath
    ) {
        $this->loader = $loader;
        $this->fixturesBasePath = $fixturesBasePath;
        
        /** @var ObjectManager[] $managers */
        $managers = $doctrine->getManagers(); // Note that currently, 
                                              // FidryAliceDataFixturesBundle
                                              // does not support multiple managers

        foreach ($managers as $manager) {
            if ($manager instanceof EntityManagerInterface) {
                $schemaTool = new SchemaTool($manager);
                $schemaTool->dropDatabase();
                $schemaTool->createSchema($manager->getMetadataFactory()->getAllMetadata());
            }
        }
    }
    
    /**
     * @Given the fixtures file :fixturesFile is loaded
     */
    public function theFixturesFileIsLoaded(string $fixturesFile): void
    {
        $this->fixtures = $this->loader->load([$this->fixturesBasePath.$fixturesFile]);
    }
}