invoiceninja/tests/acceptance/CheckBalanceCest.php

<?php

use Codeception\Util\Fixtures;
use \AcceptanceTester;
use Faker\Factory;

class OnlinePaymentCest
{
    private $faker;

    public function _before(AcceptanceTester $I)
    {
        $I->checkIfLogin($I);

        $this->faker = Factory::create();
    }

    public function checkBalance(AcceptanceTester $I)
    {
        $I->wantTo('ensure the balance is correct');
        
        $clientEmail = $this->faker->safeEmail;
        $productKey = $this->faker->text(10);
        $productPrice = $this->faker->numberBetween(1, 20);

        // create client
        $I->amOnPage('/clients/create');
        $I->fillField(['name' => 'email'], $clientEmail);
        $I->click('Save');
        $I->wait(1);
        $I->see($clientEmail);

        $clientId = $I->grabFromCurrentUrl('~clients/(\d+)~');
        
        // create product
        $I->amOnPage('/products/create');
        $I->fillField(['name' => 'product_key'], $productKey);
        $I->fillField(['name' => 'notes'], $this->faker->text(80));
        $I->fillField(['name' => 'cost'], $productPrice);
        $I->click('Save');
        $I->wait(1);
        $I->see($productKey);
        
        // create invoice
        $I->amOnPage('/invoices/create');
        $I->selectDropdown($I, $clientEmail, '.client_select .dropdown-toggle');
        $I->fillField('table.invoice-table tbody tr:nth-child(1) #product_key', $productKey);
        $I->click('Save');
        $I->wait(1);
        $I->see($clientEmail);
        $invoiceId = $I->grabFromCurrentUrl('~invoices/(\d+)~');
        $I->amOnPage("/clients/{$clientId}");
        $I->see('Balance $' . $productPrice);
        
        // update the invoice
        $I->amOnPage('/invoices/' . $invoiceId);
        $I->fillField(['name' => 'quantity'], 2);
        $I->click('Save');
        $I->wait(1);
        $I->amOnPage("/clients/{$clientId}");
        $I->see('Balance $' . ($productPrice * 2));

        // enter payment
        $I->amOnPage("/payments/create/{$clientId}/{$invoiceId}");
        $I->click('Save');
        $I->wait(1);
        $I->see('Balance $0.00');
        $I->see('Paid to Date $' . ($productPrice * 2));

        // archive the invoice
        $I->amOnPage('/invoices/' . $invoiceId);
        $I->executeJS('submitAction("archive")');
        $I->wait(1);
        $I->amOnPage("/clients/{$clientId}");
        $I->see('Balance $0.00');
        $I->see('Paid to Date $' . ($productPrice * 2));

        // delete the invoice
        $I->amOnPage('/invoices/' . $invoiceId);
        $I->executeJS('submitAction("delete")');
        $I->wait(1);
        $I->amOnPage("/clients/{$clientId}");
        $I->see('Balance $0.00');
        $I->see('Paid to Date $0.00');
    }
}