michaelschiemer/tests/Feature/NotificationSystemTest.php

<?php

declare(strict_types=1);

use App\Framework\EventBus\EventBus;
use App\Framework\Notification\Notification;
use App\Framework\Notification\NotificationDispatcher;
use App\Framework\Notification\ValueObjects\NotificationChannel;
use App\Framework\Notification\ValueObjects\NotificationPriority;
use App\Framework\Notification\ValueObjects\NotificationType;
use App\Framework\Queue\InMemoryQueue;

// Mock EventBus for testing
class MockEventBus implements EventBus
{
    public array $dispatchedEvents = [];

    public function dispatch(object $event): void
    {
        $this->dispatchedEvents[] = $event;
    }
}

describe('Notification System', function () {
    beforeEach(function () {
        // Setup test dependencies
        $this->queue = new InMemoryQueue();
        $this->eventBus = new MockEventBus();
    });

    it('can create a notification with required fields', function () {
        $notification = Notification::create(
            'user-123',
            NotificationType::system(),
            'System Update',
            'Your system has been updated',
            NotificationChannel::DATABASE,
            NotificationChannel::EMAIL
        );

        expect($notification->recipientId)->toBe('user-123');
        expect($notification->title)->toBe('System Update');
        expect($notification->body)->toBe('Your system has been updated');
        expect($notification->channels)->toHaveCount(2);
        expect($notification->priority)->toBe(NotificationPriority::NORMAL);
    });

    it('can add action to notification', function () {
        $notification = Notification::create(
            'user-123',
            NotificationType::system(),
            'Action Required',
            'Please review your settings',
            NotificationChannel::DATABASE
        )->withAction('/settings', 'Review Settings');

        expect($notification->hasAction())->toBeTrue();
        expect($notification->actionUrl)->toBe('/settings');
        expect($notification->actionLabel)->toBe('Review Settings');
    });

    it('can set priority on notification', function () {
        $notification = Notification::create(
            'user-123',
            NotificationType::security(),
            'Security Alert',
            'Unusual login detected',
            NotificationChannel::DATABASE,
            NotificationChannel::EMAIL
        )->withPriority(NotificationPriority::URGENT);

        expect($notification->priority)->toBe(NotificationPriority::URGENT);
        expect($notification->priority->shouldInterruptUser())->toBeTrue();
    });

    it('can add custom data to notification', function () {
        $notification = Notification::create(
            'user-123',
            NotificationType::social(),
            'New Follower',
            'John Doe started following you',
            NotificationChannel::DATABASE
        )->withData([
            'follower_id' => 'user-456',
            'follower_name' => 'John Doe',
            'follower_avatar' => '/avatars/456.jpg',
        ]);

        expect($notification->data)->toHaveKey('follower_id');
        expect($notification->data['follower_name'])->toBe('John Doe');
    });

    it('validates required fields', function () {
        try {
            Notification::create(
                '',
                NotificationType::system(),
                'Test',
                'Test body',
                NotificationChannel::DATABASE
            );
            expect(true)->toBeFalse('Should have thrown exception');
        } catch (\InvalidArgumentException $e) {
            expect($e->getMessage())->toContain('Recipient ID');
        }
    });

    it('requires at least one channel', function () {
        try {
            new Notification(
                id: \App\Framework\Notification\ValueObjects\NotificationId::generate(),
                recipientId: 'user-123',
                type: NotificationType::system(),
                title: 'Test',
                body: 'Test body',
                data: [],
                channels: [], // Empty channels
                priority: NotificationPriority::NORMAL,
                status: \App\Framework\Notification\ValueObjects\NotificationStatus::PENDING,
                createdAt: \App\Framework\Core\ValueObjects\Timestamp::now()
            );
            expect(true)->toBeFalse('Should have thrown exception');
        } catch (\InvalidArgumentException $e) {
            expect($e->getMessage())->toContain('channel');
        }
    });

    it('can mark notification as read', function () {
        $notification = Notification::create(
            'user-123',
            NotificationType::system(),
            'Test',
            'Test body',
            NotificationChannel::DATABASE
        );

        expect($notification->isRead())->toBeFalse();

        $readNotification = $notification->markAsRead();

        expect($readNotification->isRead())->toBeTrue();
        expect($readNotification->readAt)->toBeInstanceOf(\App\Framework\Core\ValueObjects\Timestamp::class);
    });

    it('can convert notification to array', function () {
        $notification = Notification::create(
            'user-123',
            NotificationType::transactional(),
            'Payment Received',
            'Your payment of $50 was processed',
            NotificationChannel::DATABASE,
            NotificationChannel::EMAIL
        )->withData(['amount' => 50, 'currency' => 'USD']);

        $array = $notification->toArray();

        expect($array)->toHaveKey('id');
        expect($array)->toHaveKey('recipient_id');
        expect($array['title'])->toBe('Payment Received');
        expect($array['data']['amount'])->toBe(50);
        expect($array['channels'])->toContain('database');
        expect($array['channels'])->toContain('email');
    });
});

describe('Notification Dispatcher', function () {
    it('can queue notification for async delivery', function () {
        $queue = new InMemoryQueue();
        $eventBus = new MockEventBus();

        $dispatcher = new NotificationDispatcher(
            channels: [],
            queue: $queue,
            eventBus: $eventBus
        );

        $notification = Notification::create(
            'user-123',
            NotificationType::system(),
            'Test',
            'Test body',
            NotificationChannel::DATABASE
        );

        expect($queue->size())->toBe(0);

        $dispatcher->sendLater($notification);

        expect($queue->size())->toBe(1);
    });
});