SectionRenderTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\layout_builder\Unit;

use Drupal\Component\Plugin\Exception\PluginException;
use Drupal\Core\Access\AccessResult;
use Drupal\Core\Block\BlockManagerInterface;
use Drupal\Core\Block\BlockPluginInterface;
use Drupal\Core\Cache\Cache;
use Drupal\Core\DependencyInjection\ContainerBuilder;
use Drupal\Core\Layout\LayoutDefinition;
use Drupal\Core\Layout\LayoutInterface;
use Drupal\Core\Layout\LayoutPluginManagerInterface;
use Drupal\Core\Plugin\Context\ContextHandlerInterface;
use Drupal\Core\Plugin\Context\ContextRepositoryInterface;
use Drupal\Core\Plugin\ContextAwarePluginInterface;
use Drupal\Core\Render\PreviewFallbackInterface;
use Drupal\Core\Session\AccountInterface;
use Drupal\layout_builder\EventSubscriber\BlockComponentRenderArray;
use Drupal\layout_builder\Section;
use Drupal\layout_builder\SectionComponent;
use Drupal\Tests\UnitTestCase;
use Prophecy\Argument;
use Symfony\Component\EventDispatcher\EventDispatcher;

/**
 * @coversDefaultClass \Drupal\layout_builder\Section
 * @group layout_builder
 */
class SectionRenderTest extends UnitTestCase {
    
    /**
     * The current user.
     *
     * @var \Drupal\Core\Session\AccountInterface
     */
    protected $account;
    
    /**
     * The block plugin manager.
     *
     * @var \Drupal\Core\Block\BlockManagerInterface
     */
    protected $blockManager;
    
    /**
     * The plugin context handler.
     *
     * @var \Drupal\Core\Plugin\Context\ContextHandlerInterface
     */
    protected $contextHandler;
    
    /**
     * The context manager service.
     *
     * @var \Drupal\Core\Plugin\Context\ContextRepositoryInterface
     */
    protected $contextRepository;
    
    /**
     * The event dispatcher.
     *
     * @var \Symfony\Component\EventDispatcher\EventDispatcher
     */
    protected $eventDispatcher;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $layout_plugin_manager = $this->prophesize(LayoutPluginManagerInterface::class);
        $this->blockManager = $this->prophesize(BlockManagerInterface::class);
        $this->contextHandler = $this->prophesize(ContextHandlerInterface::class);
        $this->contextRepository = $this->prophesize(ContextRepositoryInterface::class);
        // @todo Refactor this into some better tests in https://www.drupal.org/node/2942605.
        $this->eventDispatcher = (new \ReflectionClass(EventDispatcher::class))->newInstanceWithoutConstructor();
        $this->account = $this->prophesize(AccountInterface::class);
        $subscriber = new BlockComponentRenderArray($this->account
            ->reveal());
        $this->eventDispatcher
            ->addSubscriber($subscriber);
        $layout = $this->prophesize(LayoutInterface::class);
        $layout->getPluginDefinition()
            ->willReturn(new LayoutDefinition([]));
        $layout->build(Argument::type('array'))
            ->willReturnArgument(0);
        $layout_plugin_manager->createInstance('layout_onecol', [])
            ->willReturn($layout->reveal());
        $container = new ContainerBuilder();
        $container->set('current_user', $this->account
            ->reveal());
        $container->set('plugin.manager.block', $this->blockManager
            ->reveal());
        $container->set('plugin.manager.core.layout', $layout_plugin_manager->reveal());
        $container->set('context.handler', $this->contextHandler
            ->reveal());
        $container->set('context.repository', $this->contextRepository
            ->reveal());
        $container->set('event_dispatcher', $this->eventDispatcher);
        \Drupal::setContainer($container);
    }
    
    /**
     * @covers ::toRenderArray
     */
    public function testToRenderArray() : void {
        $block_content = [
            '#markup' => 'The block content.',
        ];
        $placeholder_label = 'Placeholder Label';
        $render_array = [
            '#theme' => 'block',
            '#weight' => 0,
            '#configuration' => [],
            '#plugin_id' => 'block_plugin_id',
            '#base_plugin_id' => 'block_plugin_id',
            '#derivative_plugin_id' => NULL,
            'content' => $block_content,
            '#cache' => [
                'contexts' => [],
                'tags' => [],
                'max-age' => -1,
            ],
            '#in_preview' => FALSE,
        ];
        $block = $this->prophesize(BlockPluginInterface::class)
            ->willImplement(PreviewFallbackInterface::class);
        $this->blockManager
            ->createInstance('block_plugin_id', [
            'id' => 'block_plugin_id',
        ])
            ->willReturn($block->reveal());
        $access_result = AccessResult::allowed();
        $block->access($this->account
            ->reveal(), TRUE)
            ->willReturn($access_result);
        $block->build()
            ->willReturn($block_content);
        $block->getCacheContexts()
            ->willReturn([]);
        $block->getCacheTags()
            ->willReturn([]);
        $block->getCacheMaxAge()
            ->willReturn(Cache::PERMANENT);
        $block->getPluginId()
            ->willReturn('block_plugin_id');
        $block->getBaseId()
            ->willReturn('block_plugin_id');
        $block->getDerivativeId()
            ->willReturn(NULL);
        $block->getConfiguration()
            ->willReturn([]);
        $block->getPreviewFallbackString()
            ->willReturn($placeholder_label);
        $section = [
            new SectionComponent('some_uuid', 'content', [
                'id' => 'block_plugin_id',
            ]),
        ];
        $expected = [
            'content' => [
                'some_uuid' => $render_array,
            ],
        ];
        $result = (new Section('layout_onecol', [], $section))->toRenderArray();
        $this->assertEquals($expected, $result);
    }
    
    /**
     * @covers ::toRenderArray
     */
    public function testToRenderArrayAccessDenied() : void {
        $block = $this->prophesize(BlockPluginInterface::class);
        $this->blockManager
            ->createInstance('block_plugin_id', [
            'id' => 'block_plugin_id',
        ])
            ->willReturn($block->reveal());
        $access_result = AccessResult::forbidden();
        $block->access($this->account
            ->reveal(), TRUE)
            ->willReturn($access_result);
        $block->build()
            ->shouldNotBeCalled();
        $block->getCacheContexts()
            ->willReturn([]);
        $block->getCacheTags()
            ->willReturn([]);
        $block->getCacheMaxAge()
            ->willReturn(Cache::PERMANENT);
        $section = [
            new SectionComponent('some_uuid', 'content', [
                'id' => 'block_plugin_id',
            ]),
        ];
        $expected = [
            'content' => [
                'some_uuid' => [
                    '#cache' => [
                        'contexts' => [],
                        'tags' => [],
                        'max-age' => -1,
                    ],
                ],
            ],
        ];
        $result = (new Section('layout_onecol', [], $section))->toRenderArray();
        $this->assertEquals($expected, $result);
    }
    
    /**
     * @covers ::toRenderArray
     */
    public function testToRenderArrayPreview() : void {
        $block_content = [
            '#markup' => 'The block content.',
        ];
        $placeholder_label = 'Placeholder Label';
        $render_array = [
            '#theme' => 'block',
            '#weight' => 0,
            '#configuration' => [],
            '#plugin_id' => 'block_plugin_id',
            '#base_plugin_id' => 'block_plugin_id',
            '#derivative_plugin_id' => NULL,
            'content' => $block_content,
            '#attributes' => [
                'data-layout-content-preview-placeholder-label' => $placeholder_label,
            ],
            '#cache' => [
                'contexts' => [],
                'tags' => [],
                'max-age' => 0,
            ],
            '#in_preview' => TRUE,
        ];
        $block = $this->prophesize(BlockPluginInterface::class)
            ->willImplement(PreviewFallbackInterface::class);
        $this->blockManager
            ->createInstance('block_plugin_id', [
            'id' => 'block_plugin_id',
        ])
            ->willReturn($block->reveal());
        $block->access($this->account
            ->reveal(), TRUE)
            ->shouldNotBeCalled();
        $block->build()
            ->willReturn($block_content);
        $block->getCacheContexts()
            ->willReturn([]);
        $block->getCacheTags()
            ->willReturn([]);
        $block->getCacheMaxAge()
            ->willReturn(Cache::PERMANENT);
        $block->getConfiguration()
            ->willReturn([]);
        $block->getPluginId()
            ->willReturn('block_plugin_id');
        $block->getBaseId()
            ->willReturn('block_plugin_id');
        $block->getDerivativeId()
            ->willReturn(NULL);
        $block->getPreviewFallbackString()
            ->willReturn($placeholder_label);
        $section = [
            new SectionComponent('some_uuid', 'content', [
                'id' => 'block_plugin_id',
            ]),
        ];
        $expected = [
            'content' => [
                'some_uuid' => $render_array,
            ],
        ];
        $result = (new Section('layout_onecol', [], $section))->toRenderArray([], TRUE);
        $this->assertEquals($expected, $result);
    }
    
    /**
     * @covers ::toRenderArray
     */
    public function testToRenderArrayEmpty() : void {
        $section = [];
        $expected = [];
        $result = (new Section('layout_onecol', [], $section))->toRenderArray();
        $this->assertEquals($expected, $result);
    }
    
    /**
     * @covers ::toRenderArray
     */
    public function testContextAwareBlock() : void {
        $block_content = [
            '#markup' => 'The block content.',
        ];
        $placeholder_label = 'Placeholder Label';
        $render_array = [
            '#theme' => 'block',
            '#weight' => 0,
            '#configuration' => [],
            '#plugin_id' => 'block_plugin_id',
            '#base_plugin_id' => 'block_plugin_id',
            '#derivative_plugin_id' => NULL,
            'content' => $block_content,
            '#cache' => [
                'contexts' => [],
                'tags' => [],
                'max-age' => -1,
            ],
            '#in_preview' => FALSE,
        ];
        $block = $this->prophesize(BlockPluginInterface::class)
            ->willImplement(ContextAwarePluginInterface::class)
            ->willImplement(PreviewFallbackInterface::class);
        $this->blockManager
            ->createInstance('block_plugin_id', [
            'id' => 'block_plugin_id',
        ])
            ->willReturn($block->reveal());
        $access_result = AccessResult::allowed();
        $block->access($this->account
            ->reveal(), TRUE)
            ->willReturn($access_result);
        $block->build()
            ->willReturn($block_content);
        $block->getCacheContexts()
            ->willReturn([]);
        $block->getCacheTags()
            ->willReturn([]);
        $block->getCacheMaxAge()
            ->willReturn(Cache::PERMANENT);
        $block->getContextMapping()
            ->willReturn([]);
        $block->getPluginId()
            ->willReturn('block_plugin_id');
        $block->getBaseId()
            ->willReturn('block_plugin_id');
        $block->getDerivativeId()
            ->willReturn(NULL);
        $block->getConfiguration()
            ->willReturn([]);
        $block->getPreviewFallbackString()
            ->willReturn($placeholder_label);
        $section = [
            new SectionComponent('some_uuid', 'content', [
                'id' => 'block_plugin_id',
            ]),
        ];
        $expected = [
            'content' => [
                'some_uuid' => $render_array,
            ],
        ];
        $result = (new Section('layout_onecol', [], $section))->toRenderArray();
        $this->assertEquals($expected, $result);
    }
    
    /**
     * @covers ::toRenderArray
     */
    public function testToRenderArrayMissingPluginId() : void {
        $this->expectException(PluginException::class);
        $this->expectExceptionMessage('No plugin ID specified for component with "some_uuid" UUID');
        (new Section('layout_onecol', [], [
            new SectionComponent('some_uuid', 'content'),
        ]))->toRenderArray();
    }

}