BlockTemplateSuggestionsTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\block_content\Kernel;

use Drupal\block\Entity\Block;
use Drupal\block_content\Entity\BlockContent;
use Drupal\block_content\Entity\BlockContentType;
use Drupal\KernelTests\KernelTestBase;

/**
 * Tests the block_content_theme_suggestions_block() function.
 *
 * @group block_content
 */
class BlockTemplateSuggestionsTest extends KernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'user',
        'block',
        'block_content',
        'system',
    ];
    
    /**
     * The BlockContent entity used for testing.
     *
     * @var \Drupal\block_content\Entity\BlockContent
     */
    protected $blockContent;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->installEntitySchema('block_content');
        // Create a block content type.
        $block_content_type = BlockContentType::create([
            'id' => 'test_block',
            'label' => 'A test block type',
            'description' => "Provides a test block type.",
        ]);
        $block_content_type->save();
        $this->blockContent = BlockContent::create([
            'info' => 'The Test Block',
            'type' => 'test_block',
        ]);
        $this->blockContent
            ->save();
    }
    
    /**
     * Tests template suggestions from block_content_theme_suggestions_block().
     */
    public function testBlockThemeHookSuggestions() : void {
        // Create a block using a block_content plugin.
        $block = Block::create([
            'plugin' => 'block_content:' . $this->blockContent
                ->uuid(),
            'region' => 'footer',
            'id' => 'machine_name',
        ]);
        $variables['elements']['#id'] = $block->id();
        $variables['elements']['#configuration']['provider'] = 'block_content';
        $variables['elements']['#configuration']['view_mode'] = 'full';
        $variables['elements']['content']['#block_content'] = $this->blockContent;
        $suggestions_empty = [];
        $suggestions_empty[] = 'block__block_content__' . $block->uuid();
        $suggestions = block_content_theme_suggestions_block_alter($suggestions_empty, $variables);
        $this->assertSame([
            'block__block_content__' . $block->uuid(),
            'block__block_content__view__full',
            'block__block_content__type__test_block',
            'block__block_content__view_type__test_block__full',
            'block__block_content__id__machine_name',
            'block__block_content__id_view__machine_name__full',
        ], $suggestions);
    }

}