Rabbi_Gerzi/backend/tests/Unit/Auth/UseCases/CreateSessionTest.php

<?php

namespace Tests\Unit\Auth\UseCases;

use App\Auth\UseCases\CreateSession\CreateSession;
use App\Shared\ValueObject\EmailAddress;
use App\User\CreateUserDto;
use App\User\User;
use DateTimeImmutable;
use PHPUnit\Framework\TestCase;
use Tests\Fakes\FakeClock;
use Tests\Fakes\FakeSessionRepository;
use Tests\Fakes\FakeTokenGenerator;
use Tests\Fakes\FakeUserRepository;

class CreateSessionTest extends TestCase
{
    private FakeSessionRepository $sessionRepo;
    private FakeTokenGenerator $tokenGenerator;
    private FakeClock $clock;
    private CreateSession $useCase;
    private User $user;

    protected function setUp(): void
    {
        $this->sessionRepo = new FakeSessionRepository();
        $this->tokenGenerator = new FakeTokenGenerator([
            'token-1',
        ]);
        $this->clock = new FakeClock(
            new DateTimeImmutable('2026-05-16 12:00:00'),
        );
        $this->useCase = new CreateSession(
            $this->sessionRepo,
            $this->tokenGenerator,
            $this->clock,
        );

        $userRepo = new FakeUserRepository();
        $this->user = $userRepo->create(new CreateUserDto(
            email: new EmailAddress('user@example.com'),
            passwordHash: 'hashed:password',
        ));
    }

    public function testCreatesSessionWithGivenToken(): void
    {
        $session = $this->useCase->execute($this->user);

        $this->assertSame('token-1', $session->getToken());
    }

    public function testCreatesSessionWithUser(): void
    {
        $session = $this->useCase->execute($this->user);

        $this->assertSame(
            $this->user->getId(),
            $session->getUser()->getId(),
        );
    }

    public function testCreatesSessionWithCreatedAtFromClock(): void
    {
        $session = $this->useCase->execute($this->user);

        $this->assertEquals(
            new DateTimeImmutable('2026-05-16 12:00:00'),
            $session->getCreatedAt(),
        );
    }

    public function testCreatesSessionWithExpirySevenDaysLater(): void
    {
        $session = $this->useCase->execute($this->user);

        $this->assertEquals(
            new DateTimeImmutable('2026-05-23 12:00:00'),
            $session->getExpiresAt(),
        );
    }

    public function testPersistsSessionInRepository(): void
    {
        $session = $this->useCase->execute($this->user);

        $found = $this->sessionRepo->findByToken('token-1');

        $this->assertNotNull($found);
        $this->assertSame($session->getToken(), $found->getToken());
    }

    public function testFreshInstanceReturnedOnEachCall(): void
    {
        $session = $this->useCase->execute($this->user);

        $this->assertNotSame(
            $session,
            $this->sessionRepo->findByToken('token-1'),
        );
    }
}