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use Acme\Orders\Broadcasting\OrderChannel;
use Illuminate\Support\Facades\Broadcast;

public function boot(): void
{
    Broadcast::channel('acme.orders.{order}', OrderChannel::class);
}

<?php

namespace Acme\Orders\Broadcasting;

use Acme\Orders\Models\Order;
use Illuminate\Contracts\Auth\Authenticatable;

class OrderChannel
{
    public function join(Authenticatable $user, Order $order): bool
    {
        return $user->getAuthIdentifier() === $order->owner_id;
    }
}

Broadcast::channel('acme.orders.{order}', OrderChannel::class, [
    'guards' => ['web', 'api'],
]);

use Illuminate\Support\Facades\Broadcast;

public function test_package_registers_order_channel(): void
{
    $channels = Broadcast::driver()->getChannels();

    $this->assertTrue($channels->has('acme.orders.{order}'));
}

use Acme\Orders\Models\Order;
use App\Models\User;

public function test_owner_can_join_order_channel(): void
{
    $user = User::factory()->create();
    $order = Order::factory()->for($user, 'owner')->create();

    $this->actingAs($user)
        ->post('/broadcasting/auth', [
            'channel_name' => 'private-acme.orders.'.$order->id,
            'socket_id' => '1234.5678',
        ])
        ->assertOk();
}