E2eTest.php

<?php

namespace App\Tests;

use Symfony\Component\Panther\PantherTestCase;

/**
 * @see https://github.com/symfony/panther#a-polymorphic-feline
 */
class E2eTest extends PantherTestCase
{
    public function testMyApp(): void
    {
        $client = static::createPantherClient(); // Or static::createPantherClient(['browser' => static::FIREFOX]) for example
        $client->request('GET', '/mypage');

        $this->assertPageTitleContains('My Title');
        $this->assertSelectorTextContains('#main', 'My body');
        
        $this->assertSelectorIsEnabled('.search');
        $this->assertSelectorIsDisabled('[type="submit"]');
        // ...
        $client->waitForStaleness('.popin');
        $client->waitForVisibility('.loader');
        $client->waitForElementToContain('.total', '25 €');
        // ...
        $this->assertSelectorWillExist('.popin');
        $this->assertSelectorWillNotExist('.popin');
        $this->assertSelectorWillBeVisible('.loader');
        $this->assertSelectorWillNotBeVisible('.loader');
        $this->assertSelectorWillContain('.total', '€25');
        // ...
    }
}