Attainly/backend/tests/Unit/Http/Controllers/AuthControllerTest.php

<?php

namespace Tests\Unit\Http\Controllers;

use App\Auth\UseCases\AuthenticateUser\AuthenticateUser;
use App\Auth\UseCases\CreateSession\CreateSession;
use App\Auth\UseCases\Logout\Logout;
use App\Http\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 PHPUnit\Framework\TestCase;
use Tests\Fakes\FakeClock;
use Tests\Fakes\FakePasswordHasher;
use Tests\Fakes\FakeSessionRepository;
use Tests\Fakes\FakeTokenGenerator;
use Tests\Fakes\FakeUserRepository;

class AuthControllerTest extends TestCase
{
    private FakeUserRepository $userRepository;

    private FakePasswordHasher $passwordHasher;

    private FakeSessionRepository $sessionRepository;

    private AuthController $controller;

    protected function setUp(): void
    {
        $this->userRepository = new FakeUserRepository;
        $this->passwordHasher = new FakePasswordHasher;
        $this->sessionRepository = new FakeSessionRepository;
        $authenticateUser = new AuthenticateUser(
            $this->userRepository,
            $this->passwordHasher,
        );
        $createSession = new CreateSession(
            $this->sessionRepository,
            new FakeTokenGenerator(['session-token']),
            new FakeClock(new DateTimeImmutable(
                '2026-07-31T12:00:00',
                new DateTimeZone('UTC'),
            )),
        );
        $logout = new Logout($this->sessionRepository);
        $this->controller = new AuthController(
            $authenticateUser,
            $createSession,
            $logout,
        );
    }

    public function test_login_returns_user_and_cookie(): void
    {
        $this->createUser('correct-password');

        $response = $this->controller->login(new Request([
            'email' => 'user@example.com',
            'password' => 'correct-password',
        ]));

        $this->assertSame(200, $response->getStatusCode());
        $this->assertSame(
            'user@example.com',
            json_decode($response->getContent(), true)['user']['email'],
        );
        $cookie = $response->headers->getCookies()[0];
        $this->assertSame(AuthMiddleware::COOKIE_NAME, $cookie->getName());
        $this->assertSame('session-token', $cookie->getValue());
        $this->assertTrue($cookie->isHttpOnly());
        $this->assertSame('lax', $cookie->getSameSite());
        $this->assertNotNull(
            $this->sessionRepository->findByToken('session-token'),
        );
    }

    public function test_login_returns_bad_request_for_missing_email(): void
    {
        $response = $this->controller->login(new Request([
            'password' => 'correct-password',
        ]));

        $this->assertSame(400, $response->getStatusCode());
        $this->assertSame(
            ['error' => 'email is required'],
            json_decode($response->getContent(), true),
        );
    }

    public function test_login_returns_bad_request_for_missing_password(): void
    {
        $response = $this->controller->login(new Request([
            'email' => 'user@example.com',
        ]));

        $this->assertSame(400, $response->getStatusCode());
        $this->assertSame(
            ['error' => 'password is required'],
            json_decode($response->getContent(), true),
        );
    }

    public function test_login_returns_unauthorized_for_invalid_credentials(): void
    {
        $this->createUser('correct-password');

        $response = $this->controller->login(new Request([
            'email' => 'user@example.com',
            'password' => 'wrong-password',
        ]));

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

    public function test_logout_deletes_session_and_clears_cookie(): void
    {
        $this->createUser('correct-password');
        $this->controller->login(new Request([
            'email' => 'user@example.com',
            'password' => 'correct-password',
        ]));
        $request = new Request;
        $request->cookies->set(
            AuthMiddleware::COOKIE_NAME,
            'session-token',
        );

        $response = $this->controller->logout($request);

        $this->assertSame(204, $response->getStatusCode());
        $this->assertNull(
            $this->sessionRepository->findByToken('session-token'),
        );
        $cookies = $response->headers->getCookies();
        $this->assertCount(1, $cookies);
        $this->assertSame(
            AuthMiddleware::COOKIE_NAME,
            $cookies[0]->getName(),
        );
        $this->assertSame('', $cookies[0]->getValue());
        $this->assertSame(1, $cookies[0]->getExpiresTime());
        $this->assertTrue($cookies[0]->isHttpOnly());
        $this->assertSame('lax', $cookies[0]->getSameSite());
    }

    private function createUser(string $password): void
    {
        $this->userRepository->create(new CreateUserDto(
            email: new EmailAddress('user@example.com'),
            passwordHash: $this->passwordHasher->hash($password),
        ));
    }
}