snipe-it/tests/unit/NotificationTest.php

<?php
use App\Models\Asset;
use App\Models\AssetModel;
use App\Models\Category;
use App\Models\Location;
use App\Models\User;
use App\Notifications\CheckoutNotification;
use Illuminate\Foundation\Testing\DatabaseMigrations;
use Illuminate\Foundation\Testing\DatabaseTransactions;
use Illuminate\Foundation\Testing\WithoutMiddleware;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Facades\Notification;

class NotificationTest extends BaseTest
{
    /**
    * @var \UnitTester
    */
    protected $tester;

    public function testAUserIsEmailedIfTheyCheckoutAnAssetWithEULA()
    {
        $admin = factory(User::class)->states('superuser')->create();
        Auth::login($admin);
        $cat = factory(Category::class)->states('asset-category', 'requires-acceptance')->create();
        $model = factory(AssetModel::class)->create(['category_id' => $cat->id]);
        $asset = factory(Asset::class)->create(['model_id' => $model->id]);

        $user = factory(User::class)->create();
        Notification::fake();
        $asset->checkOut($user, 1);

        Notification::assertSentTo($user, CheckoutNotification::class);
    }

    public function testAnAssetRequiringAEulaDoesNotExplodeWhenCheckedOutToALocation()
    {
        $this->signIn();
        $asset = factory(Asset::class)->states('requires-acceptance')->create();

        $location = factory(Location::class)->create();
        Notification::fake();
        $asset->checkOut($location, 1);

        Notification::assertNotSentTo($location, CheckoutNotification::class);
    }
}