feat: collect teamers' meal preferences

tests/Form/MealPreferenceTypeTest.php

@@ -0,0 +1,62 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Form;
+
+use App\Entity\Teamer;
+use App\Entity\User;
+use App\Enum\MealPreference;
+use App\Form\MealPreferenceType;
+use App\Model\MealPreferenceDto;
+use App\RequiredTeamerCheck\MealPreferenceRequiredCheck;
+use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
+use Symfony\Component\Form\FormFactoryInterface;
+use Symfony\Component\Form\FormInterface;
+
+class MealPreferenceTypeTest extends KernelTestCase
+{
+    /**
+     * Guards against the form and the check drifting apart: what the form accepts
+     * as complete must be exactly what unlocks the portal.
+     */
+    public function testAValidSubmissionSatisfiesTheCheck(): void
+    {
+        $teamer = new Teamer();
+        $user = (new User())
+            ->setRoles(['ROLE_TEAMER'])
+            ->setTeamer($teamer)
+        ;
+
+        $check = new MealPreferenceRequiredCheck();
+        $this->assertFalse($check->isSatisfied($user));
+
+        $formData = MealPreferenceDto::fromTeamer($teamer);
+        $form = $this->createForm($formData);
+        $form->submit(['mealPreference' => MealPreference::VEGETARIAN->value]);
+        $formData->applyTo($teamer);
+
+        $this->assertTrue($check->isSatisfied($user));
+    }
+
+    public function testEmptySubmitIsRejected(): void
+    {
+        $form = $this->createForm(new MealPreferenceDto());
+        $form->submit(['mealPreference' => '']);
+
+        $this->assertFalse($form->isValid());
+        $this->assertCount(1, $form->get('mealPreference')->getErrors());
+    }
+
+    private function createForm(MealPreferenceDto $formData): FormInterface
+    {
+        self::bootKernel();
+
+        /** @var FormFactoryInterface $formFactory */
+        $formFactory = self::getContainer()->get(FormFactoryInterface::class);
+
+        return $formFactory->create(MealPreferenceType::class, $formData, [
+            'csrf_protection' => false,
+        ]);
+    }
+}