TIDE/backend/tests/Unit/Auth/Middleware/AuthMiddlewareTest.php

<?php

namespace Tests\Unit\Auth\Middleware;

use App\Auth\CreateSessionDto;
use App\Http\Middleware\AuthMiddleware;
use App\Shared\ValueObject\EmailAddress;
use App\User\User;
use Closure;
use DateTimeImmutable;
use DateTimeZone;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Tests\Fakes\FakeClock;
use Tests\Fakes\FakeSessionRepository;
use Tests\TestCase;

class AuthMiddlewareTest extends TestCase
{
    private FakeSessionRepository $sessionRepo;

    private FakeClock $clock;

    private DateTimeImmutable $now;

    private AuthMiddleware $middleware;

    protected function setUp(): void
    {
        $this->now = new DateTimeImmutable(
            '2026-05-06T12:00:00',
            new DateTimeZone('UTC')
        );
        $this->sessionRepo = new FakeSessionRepository;
        $this->clock = new FakeClock($this->now);
        $this->middleware = new AuthMiddleware(
            $this->sessionRepo,
            $this->clock,
        );
    }

    private function makeRequest(?string $token): Request
    {
        $request = Request::create('/api/anything', 'POST');
        if ($token !== null) {
            $request->cookies->set('auth_token', $token);
        }

        return $request;
    }

    private function nextThatRecords(?Request &$captured): Closure
    {
        return function (Request $request) use (&$captured) {
            $captured = $request;

            return new JsonResponse(['ok' => true], 200);
        };
    }

    private function makeUser(int $id): User
    {
        return new User(
            id: $id,
            email: new EmailAddress('user@example.com'),
            displayName: 'user',
            passwordHash: 'hashed:irrelevant',
            isAdmin: false,
            emailConfirmedAt: null,
        );
    }

    public function test_missing_cookie_returns_unauthorized_json(): void
    {
        $captured = null;
        $response = $this->middleware->handle(
            $this->makeRequest(null),
            $this->nextThatRecords($captured),
        );

        $this->assertSame(401, $response->getStatusCode());
        $this->assertSame(
            ['error' => 'unauthenticated'],
            json_decode($response->getContent(), true),
        );
        $this->assertNull($captured);
    }

    public function test_unknown_token_returns_unauthorized(): void
    {
        $captured = null;
        $response = $this->middleware->handle(
            $this->makeRequest('does-not-exist'),
            $this->nextThatRecords($captured),
        );

        $this->assertSame(401, $response->getStatusCode());
        $this->assertNull($captured);
    }

    public function test_expired_session_returns_unauthorized_and_is_deleted(): void
    {
        $this->sessionRepo->create(new CreateSessionDto(
            token: 'expired-token',
            user: $this->makeUser(7),
            createdAt: $this->now->modify('-8 days'),
            expiresAt: $this->now->modify('-1 day'),
        ));

        $captured = null;
        $response = $this->middleware->handle(
            $this->makeRequest('expired-token'),
            $this->nextThatRecords($captured),
        );

        $this->assertSame(401, $response->getStatusCode());
        $this->assertNull($captured);
        $this->assertNull(
            $this->sessionRepo->findByToken('expired-token')
        );
    }

    public function test_valid_session_attaches_user_and_calls_next(): void
    {
        $this->sessionRepo->create(new CreateSessionDto(
            token: 'valid-token',
            user: $this->makeUser(id: 7),
            createdAt: $this->now,
            expiresAt: $this->now->modify('+7 days'),
        ));

        $captured = null;
        $response = $this->middleware->handle(
            $this->makeRequest('valid-token'),
            $this->nextThatRecords($captured),
        );

        $this->assertSame(200, $response->getStatusCode());
        $this->assertNotNull($captured);
        $attachedUser = $captured->attributes->get('user');
        $this->assertInstanceOf(User::class, $attachedUser);
        $this->assertSame(7, $attachedUser->getId());
    }
}