<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Payment\Block;

use Magento\Framework\View\Element\Text;
use Magento\Framework\View\LayoutInterface;
use Magento\OfflinePayments\Model\Banktransfer;
use Magento\OfflinePayments\Model\Checkmo;
use Magento\Payment\Block\Info as BlockInfo;
use Magento\Payment\Block\Info\Instructions;
use Magento\Payment\Model\Info;
use Magento\Sales\Model\Order;
use Magento\TestFramework\Helper\Bootstrap;

/**
* Test for Magento\Payment\Block\Info
*/
class InfoTest extends \PHPUnit\Framework\TestCase
{
/**
* Tests payment info block.
*
* @magentoConfigFixture current_store payment/banktransfer/title Bank Method Title
* @magentoConfigFixture current_store payment/checkmo/title Checkmo Title Of The Method
* @magentoAppArea adminhtml
*/
public function testGetChildPdfAsArray()
{
/** @var $layout \Magento\Framework\View\Layout */
$layout = Bootstrap::getObjectManager()->get(LayoutInterface::class);
$block = $layout->createBlock(BlockInfo::class, 'block');

/** @var $paymentInfoBank Info */
$paymentInfoBank = Bootstrap::getObjectManager()->create(
Info::class
);
$order = Bootstrap::getObjectManager()->create(Order::class);
$banktransferPayment = Bootstrap::getObjectManager()->create(Banktransfer::class);
$paymentInfoBank->setMethodInstance($banktransferPayment);
$paymentInfoBank->setOrder($order);
/** @var $childBank Instructions */
$childBank = $layout->addBlock(Instructions::class, 'child.one', 'block');
$childBank->setInfo($paymentInfoBank);

$nonExpectedHtml = 'non-expected html';
$childHtml = $layout->addBlock(Text::class, 'child.html', 'block');
$childHtml->setText($nonExpectedHtml);

/** @var $paymentInfoCheckmo Info */
$paymentInfoCheckmo = Bootstrap::getObjectManager()->create(
Info::class
);
$checkmoPayment = Bootstrap::getObjectManager()->create(Checkmo::class);
$paymentInfoCheckmo->setMethodInstance($checkmoPayment);
$paymentInfoCheckmo->setOrder($order);
/** @var $childCheckmo \Magento\OfflinePayments\Block\Info\Checkmo */
$childCheckmo = $layout->addBlock(
\Magento\OfflinePayments\Block\Info\Checkmo::class,
'child.just.another',
'block'
);
$childCheckmo->setInfo($paymentInfoCheckmo);

$pdfArray = $block->getChildPdfAsArray();

$this->assertIsArray($pdfArray);
$this->assertCount(2, $pdfArray);
$text = implode('', $pdfArray);
$this->assertStringContainsString('Bank Method Title', $text);
$this->assertStringContainsString('Checkmo Title Of The Method', $text);
$this->assertStringNotContainsString($nonExpectedHtml, $text);
}
}