friends-of-behat/symfony-extension

behat.yml.dist

default:
    suites:
        default:
            contexts:
                - App\Tests\Behat\DemoContext

    extensions:
        FriendsOfBehat\SymfonyExtension: null

config/services_test.yaml

services:
    _defaults:
        autowire: true
        autoconfigure: true

    App\Tests\Behat\:
        resource: '../tests/Behat/*'

features/demo.feature

# This file contains a user story for demonstration only.
# Learn how to get started with Behat and BDD on Behat's website:
# http://behat.org/en/latest/quick_start.html

Feature:
    In order to prove that the Behat Symfony extension is correctly installed
    As a user
    I want to have a demo scenario

    Scenario: It receives a response from Symfony's kernel
        When a demo scenario sends a request to "/"
        Then the response should be received

tests/Behat/DemoContext.php

<?php

declare(strict_types=1);

namespace App\Tests\Behat;

use Behat\Behat\Context\Context;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\KernelInterface;

/**
 * This context class contains the definitions of the steps used by the demo
 * feature file. Learn how to get started with Behat and BDD on Behat's website.
 *
 * @see http://behat.org/en/latest/quick_start.html
 */
final class DemoContext implements Context
{
    /** @var KernelInterface */
    private $kernel;

    /** @var Response|null */
    private $response;

    public function __construct(KernelInterface $kernel)
    {
        $this->kernel = $kernel;
    }

    /**
     * @When a demo scenario sends a request to :path
     */
    public function aDemoScenarioSendsARequestTo(string $path): void
    {
        $this->response = $this->kernel->handle(Request::create($path, 'GET'));
    }

    /**
     * @Then the response should be received
     */
    public function theResponseShouldBeReceived(): void
    {
        if ($this->response === null) {
            throw new \RuntimeException('No response received');
        }
    }
}