invoiceninja/tests/Integration/MarkInvoicePaidTest.php

<?php

namespace Tests\Integration;

use App\Jobs\Invoice\MarkInvoicePaid;
use App\Models\Account;
use App\Models\Company;
use App\Models\Invoice;
use App\Models\Payment;
use App\Models\User;
use Illuminate\Foundation\Testing\Concerns\InteractsWithDatabase;
use Illuminate\Foundation\Testing\DatabaseTransactions;
use Tests\MockAccountData;
use Tests\TestCase;

/**
 * @test
 * @covers  App\Jobs\Invoice\MarkInvoicePaid
 */
class MarkInvoicePaidTest extends TestCase
{
    use MockAccountData;
    use DatabaseTransactions;

    public function setUp() :void
    {
        parent::setUp();

        $this->makeTestData();
    }

    public function testClientExists()
    {
        $this->assertNotNull($this->client);
    }

    public function testMarkInvoicePaidInvoice()
    {

        MarkInvoicePaid::dispatchNow($this->invoice, $this->company);

        $invoice = Invoice::find($this->invoice->id);

        $this->assertEquals(0.00, $invoice->balance);

        $this->assertEquals(1, count($invoice->payments));

        foreach($invoice->payments as $payment) {
            $this->assertEquals(round($this->invoice->amount,2), $payment->amount);
        }

       //events are not firing which makes this impossible to control.

        $this->assertEquals(0.00, $invoice->balance);

    }

}