<?php
/**
 * Copyright © 2016 Magento. All rights reserved.
 * See COPYING.txt for license details.
 */
namespace Magento\Backend\Block\Widget;

/**
 * @magentoAppArea adminhtml
 */
class GridTest extends \PHPUnit_Framework_TestCase
{
    /**
     * @var \Magento\Backend\Block\Widget\Grid\ColumnSet
     */
    protected $_block;

    /**
     * @var \Magento\Framework\View\LayoutInterface|\PHPUnit_Framework_MockObject_MockObject
     */
    protected $_layoutMock;

    /**
     * @var \Magento\Backend\Block\Widget\Grid\ColumnSet|\PHPUnit_Framework_MockObject_MockObject
     */
    protected $_columnSetMock;

    protected function setUp()
    {
        $this->_layoutMock = $this->getMock('Magento\Framework\View\Layout', [], [], '', false);
        $this->_columnSetMock = $this->_getColumnSetMock();

        $returnValueMap = [
            ['grid', 'grid.columnSet', 'grid.columnSet'],
            ['grid', 'reset_filter_button', 'reset_filter_button'],
            ['grid', 'search_button', 'search_button'],
        ];
        $this->_layoutMock->expects(
            $this->any()
        )->method(
            'getChildName'
        )->will(
            $this->returnValueMap($returnValueMap)
        );
        $this->_layoutMock->expects(
            $this->any()
        )->method(
            'getBlock'
        )->with(
            'grid.columnSet'
        )->will(
            $this->returnValue($this->_columnSetMock)
        );
        $this->_layoutMock->expects(
            $this->any()
        )->method(
            'createBlock'
        )->with(
            'Magento\Backend\Block\Widget\Button'
        )->will(
            $this->returnValue(
                \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->get(
                    'Magento\Framework\View\LayoutInterface'
                )->createBlock(
                    'Magento\Backend\Block\Widget\Button'
                )
            )
        );
        $this->_layoutMock->expects(
            $this->any()
        )->method(
            'helper'
        )->with(
            'Magento\Framework\Json\Helper\Data'
        )->will(
            $this->returnValue(
                \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->get('Magento\Framework\Json\Helper\Data')
            )
        );

        $this->_block = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->get(
            'Magento\Framework\View\LayoutInterface'
        )->createBlock(
            'Magento\Backend\Block\Widget\Grid'
        );
        $this->_block->setLayout($this->_layoutMock);
        $this->_block->setNameInLayout('grid');
    }

    /**
     * Retrieve the mocked column set block instance
     *
     * @return \Magento\Backend\Block\Widget\Grid\ColumnSet|\PHPUnit_Framework_MockObject_MockObject
     */
    protected function _getColumnSetMock()
    {
        $objectManager = \Magento\TestFramework\Helper\Bootstrap::getObjectManager();
        $directoryList = $objectManager->create(
            'Magento\Framework\App\Filesystem\DirectoryList',
            ['root' => __DIR__]
        );
        return $this->getMock(
            'Magento\Backend\Block\Widget\Grid\ColumnSet',
            [],
            [
                $objectManager->create(
                    'Magento\Framework\View\Element\Template\Context',
                    [
                        'filesystem' => $objectManager->create(
                            'Magento\Framework\Filesystem',
                            ['directoryList' => $directoryList]
                        )
                    ]
                ),
                $objectManager->create('Magento\Backend\Model\Widget\Grid\Row\UrlGeneratorFactory'),
                $objectManager->create('Magento\Backend\Model\Widget\Grid\SubTotals'),
                $objectManager->create('Magento\Backend\Model\Widget\Grid\Totals')
            ]
        );
    }

    public function testToHtmlPreparesColumns()
    {
        $this->_columnSetMock->expects($this->once())->method('setRendererType');
        $this->_columnSetMock->expects($this->once())->method('setFilterType');
        $this->_columnSetMock->expects($this->once())->method('setSortable');
        $this->_block->setColumnRenderers(['filter' => 'Filter_Class']);
        $this->_block->setColumnFilters(['filter' => 'Filter_Class']);
        $this->_block->setSortable(false);
        $this->_block->toHtml();
    }

    public function testGetMainButtonsHtmlReturnsEmptyStringIfFiltersArentVisible()
    {
        $this->_columnSetMock->expects($this->once())->method('isFilterVisible')->will($this->returnValue(false));
        $this->_block->getMainButtonsHtml();
    }

    public function testGetMassactionBlock()
    {
        /** @var $layout \Magento\Framework\View\Layout */
        $layout = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->get(
            'Magento\Framework\View\LayoutInterface'
        );
        /** @var $block \Magento\Backend\Block\Widget\Grid */
        $block = $layout->createBlock('Magento\Backend\Block\Widget\Grid\Extended', 'block');
        $child = $layout->addBlock('Magento\Framework\View\Element\Template', 'massaction', 'block');
        $this->assertSame($child, $block->getMassactionBlock());
    }
}