<?php
/**
 * Copyright © 2016 Magento. All rights reserved.
 * See COPYING.txt for license details.
 */
namespace Magento\Store\Test\Unit\Model\Config\Reader;

class StoreTest extends \PHPUnit_Framework_TestCase
{
    /**
     * @var \Magento\Store\Model\Config\Reader\Store
     */
    protected $_model;

    /**
     * @var \Magento\Framework\App\Config\ScopePool|\PHPUnit_Framework_MockObject_MockObject
     */
    protected $_scopePullMock;

    /**
     * @var \PHPUnit_Framework_MockObject_MockObject
     */
    protected $_initialConfigMock;

    /**
     * @var \PHPUnit_Framework_MockObject_MockObject
     */
    protected $_collectionFactory;

    /**
     * @var \PHPUnit_Framework_MockObject_MockObject
     */
    protected $_storeMock;

    /**
     * @var \Magento\Store\Model\StoreManagerInterface|\PHPUnit_Framework_MockObject_MockObject
     */
    protected $_storeManagerMock;

    protected function setUp()
    {
        $this->_scopePullMock = $this->getMock('Magento\Framework\App\Config\ScopePool', [], [], '', false);
        $this->_storeManagerMock = $this->getMock('Magento\Store\Model\StoreManagerInterface');
        $this->_initialConfigMock = $this->getMock('Magento\Framework\App\Config\Initial', [], [], '', false);
        $this->_collectionFactory = $this->getMock(
            'Magento\Store\Model\ResourceModel\Config\Collection\ScopedFactory',
            ['create'],
            [],
            '',
            false
        );
        $this->_storeMock = $this->getMock('Magento\Store\Model\Store', [], [], '', false);
        $placeholderProcessor = $this->getMock(
            'Magento\Store\Model\Config\Processor\Placeholder',
            [],
            [],
            '',
            false
        );
        $placeholderProcessor->expects($this->any())->method('process')->will($this->returnArgument(0));
        $this->_model = new \Magento\Store\Model\Config\Reader\Store(
            $this->_initialConfigMock,
            $this->_scopePullMock,
            new \Magento\Store\Model\Config\Converter($placeholderProcessor),
            $this->_collectionFactory,
            $this->_storeManagerMock
        );
    }

    /**
     * @dataProvider readDataProvider
     * @param string|null $storeCode
     */
    public function testRead($storeCode)
    {
        $websiteCode = 'default';
        $storeId = 1;
        $websiteMock = $this->getMock('Magento\Store\Model\Website', [], [], '', false);
        $websiteMock->expects($this->any())->method('getCode')->will($this->returnValue($websiteCode));
        $this->_storeMock->expects($this->any())->method('getWebsite')->will($this->returnValue($websiteMock));
        $this->_storeMock->expects($this->any())->method('getId')->will($this->returnValue($storeId));
        $this->_storeMock->expects($this->any())->method('getCode')->will($this->returnValue($websiteCode));

        $dataMock = $this->getMock('Magento\Framework\App\Config\Data', [], [], '', false);
        $dataMock->expects(
            $this->any()
        )->method(
            'getValue'
        )->will(
            $this->returnValue(['config' => ['key0' => 'website_value0', 'key1' => 'website_value1']])
        );

        $dataMock->expects(
            $this->once()
        )->method(
            'getSource'
        )->will(
            $this->returnValue(['config' => ['key0' => 'website_value0', 'key1' => 'website_value1']])
        );
        $this->_scopePullMock->expects(
            $this->once()
        )->method(
            'getScope'
        )->with(
            'website',
            $websiteCode
        )->will(
            $this->returnValue($dataMock)
        );

        $this->_initialConfigMock->expects(
            $this->once()
        )->method(
            'getData'
        )->with(
            "stores|{$storeCode}"
        )->will(
            $this->returnValue(['config' => ['key1' => 'store_value1', 'key2' => 'store_value2']])
        );
        $this->_collectionFactory->expects(
            $this->once()
        )->method(
            'create'
        )->with(
            ['scope' => 'stores', 'scopeId' => $storeId]
        )->will(
            $this->returnValue(
                [
                    new \Magento\Framework\DataObject(['path' => 'config/key1', 'value' => 'store_db_value1']),
                    new \Magento\Framework\DataObject(['path' => 'config/key3', 'value' => 'store_db_value3']),
                ]
            )
        );

        $this->_storeManagerMock
            ->expects($this->any())
            ->method('getStore')
            ->with($storeCode)
            ->will($this->returnValue($this->_storeMock));
        $expectedData = [
            'config' => [
                'key0' => 'website_value0',
                'key1' => 'store_db_value1',
                'key2' => 'store_value2',
                'key3' => 'store_db_value3',
            ],
        ];
        $this->assertEquals($expectedData, $this->_model->read($storeCode));
    }

    public function readDataProvider()
    {
        return [
            ['default'],
            [null],
            ['code', '']
        ];
    }
}