DataAssignObserverTest.php

<?php
/**
 * Copyright 2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */
namespace Amazon\Payment\Test\Unit\Observer;

use Magento\Framework\DataObject;
use Magento\Framework\Event;
use Magento\Payment\Model\InfoInterface;
use Magento\Payment\Observer\AbstractDataAssignObserver;
use Amazon\Payment\Observer\DataAssignObserver;
use Magento\Quote\Api\Data\PaymentInterface;

/**
 * Class DataAssignObserverTest
 */
class DataAssignObserverTest extends \PHPUnit\Framework\TestCase
{
    const KEY_SANDBOX_SIMULATION_REFERENCE = 'sandbox_simulation_reference';

    public function testExecute()
    {
        $observerContainer = $this->getMockBuilder(Event\Observer::class)
            ->disableOriginalConstructor()
            ->getMock();
        $event = $this->getMockBuilder(Event::class)
            ->disableOriginalConstructor()
            ->getMock();
        $paymentInfoModel = $this->createMock(InfoInterface::class);
        $dataObject = new DataObject(
            [
                PaymentInterface::KEY_ADDITIONAL_DATA => [
                    'sandbox_simulation_reference' => self::KEY_SANDBOX_SIMULATION_REFERENCE
                ]
            ]
        );
        $observerContainer->expects(static::atLeastOnce())
            ->method('getEvent')
            ->willReturn($event);
        $event->expects(static::exactly(2))
            ->method('getDataByKey')
            ->willReturnMap(
                [
                    [AbstractDataAssignObserver::MODEL_CODE, $paymentInfoModel],
                    [AbstractDataAssignObserver::DATA_CODE, $dataObject]
                ]
            );
        $paymentInfoModel->expects(static::at(0))
            ->method('setAdditionalInformation')
            ->with('sandbox_simulation_reference', self::KEY_SANDBOX_SIMULATION_REFERENCE);

        $observer = new DataAssignObserver();
        $observer->execute($observerContainer);
    }
}