/home/kueuepay/public_html/vendor/srmklive/paypal/tests/Unit/Adapter/InvoicesTest.php
<?php

namespace Srmklive\PayPal\Tests\Unit\Adapter;

use PHPUnit\Framework\TestCase;
use Srmklive\PayPal\Tests\MockClientClasses;
use Srmklive\PayPal\Tests\MockRequestPayloads;
use Srmklive\PayPal\Tests\MockResponsePayloads;

class InvoicesTest extends TestCase
{
    use MockClientClasses;
    use MockRequestPayloads;
    use MockResponsePayloads;

    /** @test */
    public function it_can_generate_unique_invoice_number()
    {
        $expectedResponse = $this->mockGenerateInvoiceNumberResponse();

        $expectedMethod = 'generateInvoiceNumber';

        $mockClient = $this->mock_client($expectedResponse, $expectedMethod, true);

        $mockClient->setApiCredentials($this->getMockCredentials());
        $mockClient->getAccessToken();

        $this->assertEquals($expectedResponse, $mockClient->{$expectedMethod}());
    }

    /** @test */
    public function it_can_create_a_draft_invoice()
    {
        $expectedResponse = $this->mockCreateInvoicesResponse();

        $expectedParams = $this->createInvoiceParams();

        $expectedMethod = 'createInvoice';

        $mockClient = $this->mock_client($expectedResponse, $expectedMethod, true);

        $mockClient->setApiCredentials($this->getMockCredentials());
        $mockClient->getAccessToken();

        $this->assertEquals($expectedResponse, $mockClient->{$expectedMethod}($expectedParams));
    }

    /** @test */
    public function it_can_list_current_invoices()
    {
        $expectedResponse = $this->mockListInvoicesResponse();

        $expectedMethod = 'listInvoices';

        $mockClient = $this->mock_client($expectedResponse, $expectedMethod, true);

        $mockClient->setApiCredentials($this->getMockCredentials());
        $mockClient->getAccessToken();

        $this->assertEquals($expectedResponse, $mockClient->{$expectedMethod}());
    }

    /** @test */
    public function it_can_delete_an_invoice()
    {
        $expectedResponse = '';

        $expectedMethod = 'deleteInvoice';

        $mockClient = $this->mock_client($expectedResponse, $expectedMethod, true);

        $mockClient->setApiCredentials($this->getMockCredentials());
        $mockClient->getAccessToken();

        $this->assertEquals($expectedResponse, $mockClient->{$expectedMethod}('INV2-Z56S-5LLA-Q52L-CPZ5'));
    }

    /** @test */
    public function it_can_update_an_invoice()
    {
        $expectedResponse = $this->mockUpdateInvoicesResponse();

        $expectedParams = $this->updateInvoiceParams();

        $expectedMethod = 'updateInvoice';

        $mockClient = $this->mock_client($expectedResponse, $expectedMethod, true);

        $mockClient->setApiCredentials($this->getMockCredentials());
        $mockClient->getAccessToken();

        $this->assertEquals($expectedResponse, $mockClient->{$expectedMethod}('INV2-Z56S-5LLA-Q52L-CPZ5', $expectedParams));
    }

    /** @test */
    public function it_can_show_details_for_an_invoice()
    {
        $expectedResponse = $this->mockGetInvoicesResponse();

        $expectedMethod = 'showInvoiceDetails';

        $mockClient = $this->mock_client($expectedResponse, $expectedMethod, true);

        $mockClient->setApiCredentials($this->getMockCredentials());
        $mockClient->getAccessToken();

        $this->assertEquals($expectedResponse, $mockClient->{$expectedMethod}('INV2-Z56S-5LLA-Q52L-CPZ5'));
    }

    /** @test */
    public function it_can_cancel_an_invoice()
    {
        $expectedResponse = '';

        $expectedParams = $this->cancelInvoiceParams();

        $expectedMethod = 'cancelInvoice';

        $mockClient = $this->mock_client($expectedResponse, $expectedMethod, true);

        $mockClient->setApiCredentials($this->getMockCredentials());
        $mockClient->getAccessToken();

        $this->assertEquals($expectedResponse, $mockClient->{$expectedMethod}(
            'INV2-Z56S-5LLA-Q52L-CPZ5',
            'Reminder: Payment due for the invoice #ABC-123',
            'Please pay before the due date to avoid incurring late payment charges which will be adjusted in the next bill generated.',
            true,
            true,
            [
                'customer-a@example.com',
                'customer@example.com',
            ]
        ));
    }

    /** @test */
    public function it_can_generate_qr_code_for_invoice()
    {
        $expectedResponse = $this->mockGenerateInvoiceQRCodeResponse();

        $expectedMethod = 'generateQRCodeInvoice';

        $mockClient = $this->mock_client($expectedResponse, $expectedMethod, true);

        $mockClient->setApiCredentials($this->getMockCredentials());
        $mockClient->getAccessToken();

        $this->assertEquals($expectedResponse, $mockClient->{$expectedMethod}('INV2-Z56S-5LLA-Q52L-CPZ5', 400, 400));
    }

    /** @test */
    public function it_can_register_payment_for_invoice()
    {
        $expectedResponse = $this->mockInvoiceRegisterPaymentResponse();

        $expectedMethod = 'registerPaymentInvoice';

        $mockClient = $this->mock_client($expectedResponse, $expectedMethod, true);

        $mockClient->setApiCredentials($this->getMockCredentials());
        $mockClient->getAccessToken();

        $this->assertEquals($expectedResponse, $mockClient->{$expectedMethod}('INV2-Z56S-5LLA-Q52L-CPZ5', '2018-05-01', 'BANK_TRANSFER', 10.00));
    }

    /** @test */
    public function it_can_delete_payment_for_invoice()
    {
        $expectedResponse = '';

        $expectedMethod = 'deleteExternalPaymentInvoice';

        $mockClient = $this->mock_client($expectedResponse, $expectedMethod, true);

        $mockClient->setApiCredentials($this->getMockCredentials());
        $mockClient->getAccessToken();

        $this->assertEquals($expectedResponse, $mockClient->{$expectedMethod}('INV2-Z56S-5LLA-Q52L-CPZ5', 'EXTR-86F38350LX4353815'));
    }

    /** @test */
    public function it_can_refund_payment_for_invoice()
    {
        $expectedResponse = $this->mockInvoiceRefundPaymentResponse();

        $expectedMethod = 'refundInvoice';

        $mockClient = $this->mock_client($expectedResponse, $expectedMethod, true);

        $mockClient->setApiCredentials($this->getMockCredentials());
        $mockClient->getAccessToken();

        $this->assertEquals($expectedResponse, $mockClient->{$expectedMethod}('INV2-Z56S-5LLA-Q52L-CPZ5', '2018-05-01', 'BANK_TRANSFER', 5.00));
    }

    /** @test */
    public function it_can_delete_refund_for_invoice()
    {
        $expectedResponse = '';

        $expectedMethod = 'deleteRefundInvoice';

        $mockClient = $this->mock_client($expectedResponse, $expectedMethod, true);

        $mockClient->setApiCredentials($this->getMockCredentials());
        $mockClient->getAccessToken();

        $this->assertEquals($expectedResponse, $mockClient->{$expectedMethod}('INV2-Z56S-5LLA-Q52L-CPZ5', 'EXTR-2LG703375E477444T'));
    }

    /** @test */
    public function it_can_send_an_invoice()
    {
        $expectedResponse = '';

        $expectedMethod = 'sendInvoice';

        $mockClient = $this->mock_client($expectedResponse, $expectedMethod, true);

        $mockClient->setApiCredentials($this->getMockCredentials());
        $mockClient->getAccessToken();

        $this->assertEquals($expectedResponse, $mockClient->{$expectedMethod}(
            'INV2-Z56S-5LLA-Q52L-CPZ5',
            'Reminder: Payment due for the invoice #ABC-123',
            'Please pay before the due date to avoid incurring late payment charges which will be adjusted in the next bill generated.',
            true,
            true,
            [
                'customer-a@example.com',
                'customer@example.com',
            ]
        ));
    }

    /** @test */
    public function it_can_send_reminder_for_an_invoice()
    {
        $expectedResponse = '';

        $expectedMethod = 'sendInvoiceReminder';

        $mockClient = $this->mock_client($expectedResponse, $expectedMethod, true);

        $mockClient->setApiCredentials($this->getMockCredentials());
        $mockClient->getAccessToken();

        $this->assertEquals($expectedResponse, $mockClient->{$expectedMethod}(
            'INV2-Z56S-5LLA-Q52L-CPZ5',
            'Reminder: Payment due for the invoice #ABC-123',
            'Please pay before the due date to avoid incurring late payment charges which will be adjusted in the next bill generated.',
            true,
            true,
            [
                'customer-a@example.com',
                'customer@example.com',
            ]
        ));
    }
}
Best Practice

Best Practices

To ensure a smooth integration process and optimal performance, follow these best practices:

  1. Use secure HTTPS connections for all API requests.
  2. Implement robust error handling to handle potential issues gracefully.
  3. Regularly update your integration to stay current with any API changes or enhancements.