symfony-5-cli-template/tests/api/PageControllerCest.php

<?php

declare(strict_types=1);

namespace App\Tests\api\Controller;

use App\Tests\ApiTester;
use Codeception\Example;
use Iterator;

class PageControllerCest
{
    /** @var ApiTester */
    private $tester;

    public function _before(ApiTester $tester): void
    {
        $this->tester = $tester;
    }

    /**
     * @dataProvider dataTestBaseAvailability
     */
    public function testBaseAvailability(Example $example): void
    {
        $this->tester->sendGet($example['url']);
        $this->tester->seeResponseCodeIs(400);
        $this->tester->seeResponseIsJson();
    }

    protected static function dataTestBaseAvailability(): Iterator
    {
        yield [
            'url' => '/',
        ];
    }
}