test auth middleware

tests/Unit/Auth/Middleware/AuthMiddlewareTest.php

@@ -0,0 +1,161 @@
+<?php
+
+namespace Tests\Unit\Auth\Middleware;
+
+use App\Auth\AuthMiddleware;
+use App\Auth\CreateSessionDto;
+use App\User\UseCases\CreateUserDto;
+use App\User\User;
+use App\ValueObjects\EmailAddress;
+use DateTimeImmutable;
+use PHPUnit\Framework\TestCase;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+use Slim\Psr7\Factory\ServerRequestFactory;
+use Slim\Psr7\Response;
+use Tests\Fakes\FakeClock;
+use Tests\Fakes\FakeSessionRepository;
+use Tests\Fakes\FakeUserRepository;
+
+class AuthMiddlewareTest extends TestCase
+{
+    private FakeUserRepository $userRepo;
+    private FakeSessionRepository $sessionRepo;
+    private FakeClock $clock;
+    private AuthMiddleware $middleware;
+    private User $user;
+
+    public function setUp(): void
+    {
+        $this->userRepo = new FakeUserRepository();
+        $this->sessionRepo = new FakeSessionRepository();
+        $this->clock = new FakeClock(
+            new DateTimeImmutable('2025-01-01T12:00:00+00:00')
+        );
+        $this->user = $this->userRepo->create(new CreateUserDto(
+            email: new EmailAddress('test@test.com'),
+            passwordHash: '',
+        ));
+        $this->middleware = new AuthMiddleware(
+            $this->sessionRepo,
+            $this->userRepo,
+            $this->clock,
+        );
+    }
+
+    private function makeApiRequest(
+        ?string $cookieToken = null
+    ): ServerRequestInterface {
+        $request = new ServerRequestFactory()
+            ->createServerRequest('GET', 'http://localhost/api/texts');
+        if ($cookieToken !== null) {
+            $request = $request->withCookieParams([
+                'auth_token' => $cookieToken,
+            ]);
+        }
+        return $request;
+    }
+
+    private function makeHtmlRequest(
+        ?string $cookieToken = null
+    ): ServerRequestInterface {
+        $request = new ServerRequestFactory()
+            ->createServerRequest('GET', 'http://localhost/home')
+            ->withHeader('Accept', 'text/html');
+        if ($cookieToken !== null) {
+            $request = $request->withCookieParams([
+                'auth_token' => $cookieToken,
+            ]);
+        }
+        return $request;
+    }
+
+    private function makeHandler(): RequestHandlerInterface
+    {
+        return new class() implements RequestHandlerInterface {
+            public ?ServerRequestInterface $capturedRequest = null;
+
+            public function handle(
+                ServerRequestInterface $request
+            ): \Psr\Http\Message\ResponseInterface {
+                $this->capturedRequest = $request;
+                return new Response(200);
+            }
+        };
+    }
+
+    public function test_returns_401_json_when_cookie_missing(): void
+    {
+        $response = $this->middleware->process(
+            $this->makeApiRequest(),
+            $this->makeHandler(),
+        );
+
+        $this->assertEquals(401, $response->getStatusCode());
+        $this->assertStringContainsString(
+            'application/json',
+            $response->getHeaderLine('Content-Type')
+        );
+    }
+
+    public function test_returns_401_when_token_not_in_repo(): void
+    {
+        $response = $this->middleware->process(
+            $this->makeApiRequest('unknown-token'),
+            $this->makeHandler(),
+        );
+
+        $this->assertEquals(401, $response->getStatusCode());
+    }
+
+    public function test_returns_401_when_token_expired(): void
+    {
+        $this->sessionRepo->create(new CreateSessionDto(
+            token: 'expired-token',
+            userId: $this->user->getId(),
+            createdAt: new DateTimeImmutable('2024-12-01'),
+            expiresAt: new DateTimeImmutable('2024-12-08'),
+        ));
+
+        $response = $this->middleware->process(
+            $this->makeApiRequest('expired-token'),
+            $this->makeHandler(),
+        );
+
+        $this->assertEquals(401, $response->getStatusCode());
+    }
+
+    public function test_attaches_user_to_request_on_success(): void
+    {
+        $this->sessionRepo->create(new CreateSessionDto(
+            token: 'valid-token',
+            userId: $this->user->getId(),
+            createdAt: new DateTimeImmutable('2025-01-01'),
+            expiresAt: new DateTimeImmutable('2025-01-08'),
+        ));
+        $handler = $this->makeHandler();
+
+        $this->middleware->process(
+            $this->makeApiRequest('valid-token'),
+            $handler,
+        );
+
+        $attached = $handler->capturedRequest->getAttribute('user');
+        $this->assertInstanceOf(User::class, $attached);
+        $this->assertEquals(
+            'test@test.com',
+            (string) $attached->getEmail()
+        );
+    }
+
+    public function test_redirects_to_login_when_html_unauthenticated(): void
+    {
+        $response = $this->middleware->process(
+            $this->makeHtmlRequest(),
+            $this->makeHandler(),
+        );
+
+        $this->assertEquals(302, $response->getStatusCode());
+        $this->assertEquals('/login', $response->getHeaderLine('Location'));
+    }
+}