test auth middleware

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

@@ -0,0 +1,159 @@
+<?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 PHPUnit\Framework\TestCase;
+use Tests\Fakes\FakeClock;
+use Tests\Fakes\FakeSessionRepository;
+
+class AuthMiddlewareTest extends TestCase
+{
+    private FakeSessionRepository $sessionRepository;
+
+    private DateTimeImmutable $now;
+
+    private AuthMiddleware $middleware;
+
+    protected function setUp(): void
+    {
+        $this->now = new DateTimeImmutable(
+            '2026-07-31T12:00:00',
+            new DateTimeZone('UTC'),
+        );
+        $this->sessionRepository = new FakeSessionRepository;
+        $this->middleware = new AuthMiddleware(
+            sessionRepository: $this->sessionRepository,
+            clock: new FakeClock($this->now),
+        );
+    }
+
+    public function test_missing_cookie_returns_unauthenticated(): void
+    {
+        $capturedRequest = null;
+
+        $response = $this->middleware->handle(
+            $this->requestWithToken(null),
+            $this->captureNextRequest($capturedRequest),
+        );
+
+        $this->assertSame(401, $response->getStatusCode());
+        $this->assertSame(
+            ['error' => 'unauthenticated'],
+            json_decode($response->getContent(), true),
+        );
+        $this->assertNull($capturedRequest);
+    }
+
+    public function test_empty_cookie_returns_unauthenticated(): void
+    {
+        $capturedRequest = null;
+
+        $response = $this->middleware->handle(
+            $this->requestWithToken(''),
+            $this->captureNextRequest($capturedRequest),
+        );
+
+        $this->assertSame(401, $response->getStatusCode());
+        $this->assertNull($capturedRequest);
+    }
+
+    public function test_unknown_token_returns_unauthenticated(): void
+    {
+        $capturedRequest = null;
+
+        $response = $this->middleware->handle(
+            $this->requestWithToken('unknown-token'),
+            $this->captureNextRequest($capturedRequest),
+        );
+
+        $this->assertSame(401, $response->getStatusCode());
+        $this->assertNull($capturedRequest);
+    }
+
+    public function test_expired_session_is_deleted(): void
+    {
+        $this->sessionRepository->create(new CreateSessionDto(
+            token: 'expired-token',
+            user: $this->user(),
+            createdAt: $this->now->modify('-8 days'),
+            expiresAt: $this->now->modify('-1 day'),
+        ));
+        $capturedRequest = null;
+
+        $response = $this->middleware->handle(
+            $this->requestWithToken('expired-token'),
+            $this->captureNextRequest($capturedRequest),
+        );
+
+        $this->assertSame(401, $response->getStatusCode());
+        $this->assertNull($capturedRequest);
+        $this->assertNull(
+            $this->sessionRepository->findByToken('expired-token'),
+        );
+    }
+
+    public function test_valid_session_attaches_user_and_calls_next(): void
+    {
+        $user = $this->user();
+        $this->sessionRepository->create(new CreateSessionDto(
+            token: 'valid-token',
+            user: $user,
+            createdAt: $this->now,
+            expiresAt: $this->now->modify('+7 days'),
+        ));
+        $capturedRequest = null;
+
+        $response = $this->middleware->handle(
+            $this->requestWithToken('valid-token'),
+            $this->captureNextRequest($capturedRequest),
+        );
+
+        $this->assertSame(200, $response->getStatusCode());
+        $this->assertNotNull($capturedRequest);
+        $this->assertSame(
+            $user,
+            $capturedRequest->attributes->get('user'),
+        );
+    }
+
+    private function requestWithToken(?string $token): Request
+    {
+        $request = Request::create('/anything', 'GET');
+        if ($token !== null) {
+            $request->cookies->set(AuthMiddleware::COOKIE_NAME, $token);
+        }
+
+        return $request;
+    }
+
+    /**
+     * @param  Request|null  $capturedRequest
+     * @return Closure(Request): JsonResponse
+     */
+    private function captureNextRequest(
+        ?Request &$capturedRequest,
+    ): Closure {
+        return function (Request $request) use (&$capturedRequest) {
+            $capturedRequest = $request;
+
+            return new JsonResponse(['ok' => true]);
+        };
+    }
+
+    private function user(): User
+    {
+        return new User(
+            id: 7,
+            email: new EmailAddress('user@example.com'),
+        );
+    }
+}