test auth controller login, logout, and me methods

backend/tests/Unit/Controllers/AuthControllerTest.php

@@ -0,0 +1,183 @@
+<?php
+
+namespace Tests\Unit\Controllers;
+
+use App\Auth\UseCases\AuthenticateUser\AuthenticateUser;
+use App\Auth\UseCases\CreateSession\CreateSession;
+use App\Auth\UseCases\Logout\Logout;
+use App\Controllers\AuthController;
+use App\Http\Middleware\AuthMiddleware;
+use App\Shared\ValueObject\EmailAddress;
+use App\User\CreateUserDto;
+use DateTimeImmutable;
+use DateTimeZone;
+use Illuminate\Http\Request;
+use Tests\Fakes\FakeClock;
+use Tests\Fakes\FakeHasher;
+use Tests\Fakes\FakeSessionRepository;
+use Tests\Fakes\FakeTokenGenerator;
+use Tests\Fakes\FakeUserRepository;
+use Tests\TestCase;
+
+class AuthControllerTest extends TestCase
+{
+    private AuthController $controller;
+
+    private FakeUserRepository $userRepo;
+
+    private FakeHasher $hasher;
+
+    private FakeSessionRepository $sessionRepo;
+
+    private FakeTokenGenerator $tokenGenerator;
+
+    private FakeClock $clock;
+
+    private DateTimeImmutable $now;
+
+    protected function setUp(): void
+    {
+        $this->now = new DateTimeImmutable(
+            '2026-04-29T12:00:00',
+            new DateTimeZone('UTC')
+        );
+        $this->clock = new FakeClock($this->now);
+        $this->tokenGenerator = new FakeTokenGenerator(['session-token-1']);
+        $this->userRepo = new FakeUserRepository();
+        $this->hasher = new FakeHasher();
+        $this->sessionRepo = new FakeSessionRepository();
+        $authenticateUser = new AuthenticateUser(
+            $this->userRepo,
+            $this->hasher,
+        );
+        $createSession = new CreateSession(
+            $this->sessionRepo,
+            $this->tokenGenerator,
+            $this->clock,
+        );
+        $logout = new Logout($this->sessionRepo);
+        $this->controller = new AuthController(
+            $authenticateUser,
+            $createSession,
+            $logout,
+        );
+    }
+
+    private function seedStartupUser(string $email, string $password): void
+    {
+        $user = $this->userRepo->create(
+            new CreateUserDto(
+                email: new EmailAddress($email),
+                passwordHash: 'hashed-password',
+            )
+        );
+    }
+
+    public function test_login_returns_200_and_sets_cookie_on_success(): void
+    {
+        $email = 'user@example.com';
+        $password = 'password';
+        $this->seedStartupUser($email, $password);
+
+        $request = new Request([
+            'email' => $email,
+            'password' => $password,
+        ]);
+        $response = $this->controller->login($request);
+
+        $this->assertEquals(200, $response->getStatusCode());
+        $body = json_decode($response->getContent(), true);
+        $this->assertSame($email, $body['user']['email']);
+
+        $cookies = $response->headers->getCookies();
+        $this->assertCount(1, $cookies);
+        $cookie = $cookies[0];
+        $this->assertSame(
+            AuthMiddleware::COOKIE_NAME,
+            $cookie->getName()
+        );
+        $this->assertSame('session-token-1', $cookie->getValue());
+        $this->assertTrue($cookie->isHttpOnly());
+        $this->assertSame('lax', $cookie->getSameSite());
+        $this->assertNotNull(
+            $this->sessionRepo->findByToken('session-token-1')
+        );
+    }
+
+    public function test_login_returns_400_when_email_missing(): void
+    {
+        $request = new Request(['password' => 'correctpassword']);
+        $response = $this->controller->login($request);
+        $this->assertEquals(400, $response->getStatusCode());
+    }
+
+    public function test_login_returns_400_when_password_missing(): void
+    {
+        $request = new Request(['email' => 'user@example.com']);
+        $response = $this->controller->login($request);
+        $this->assertEquals(400, $response->getStatusCode());
+    }
+
+    public function test_login_returns_401_when_credentials_invalid(): void
+    {
+        $this->seedStartupUser('user@example.com', 'correctpassword');
+
+        $request = new Request([
+            'email' => 'user@example.com',
+            'password' => 'wrongpassword',
+        ]);
+        $response = $this->controller->login($request);
+        $this->assertEquals(401, $response->getStatusCode());
+    }
+
+    public function test_logout_returns_204_and_clears_cookie(): void
+    {
+        $this->seedStartupUser('user@example.com', 'correctpassword');
+        $loginRequest = new Request([
+            'email' => 'user@example.com',
+            'password' => 'correctpassword',
+        ]);
+        $this->controller->login($loginRequest);
+
+        $logoutRequest = new Request;
+        $logoutRequest->cookies->set(
+            AuthMiddleware::COOKIE_NAME,
+            'session-token-1'
+        );
+        $response = $this->controller->logout($logoutRequest);
+
+        $this->assertEquals(204, $response->getStatusCode());
+        $this->assertNull(
+            $this->sessionRepo->findByToken('session-token-1')
+        );
+
+        $cookies = $response->headers->getCookies();
+        $this->assertCount(1, $cookies);
+        $this->assertSame(
+            AuthMiddleware::COOKIE_NAME,
+            $cookies[0]->getName()
+        );
+        $this->assertSame('', $cookies[0]->getValue());
+    }
+
+    public function test_me_returns_200_with_user_when_authenticated(): void
+    {
+        $email = 'me@example.com';
+        $user = $this->userRepo->create(
+            new CreateUserDto(
+                email: new EmailAddress($email),
+                passwordHash: 'password'
+            )
+        );
+
+        $request = new Request;
+        $request->attributes->set('user', $user);
+
+        $response = $this->controller->me($request);
+
+        $this->assertEquals(200, $response->getStatusCode());
+        $body = json_decode($response->getContent(), true);
+        $this->assertSame($user->getId(), $body['user']['id']);
+        $this->assertSame($email, $body['user']['email']);
+    }
+}