BlockManagerTest.php

<?php

namespace Drupal\Tests\Core\Block;

use Drupal\Component\Plugin\Discovery\DiscoveryInterface;
use Drupal\Core\Block\BlockManager;
use Drupal\Core\Block\Plugin\Block\Broken;
use Drupal\Core\Cache\CacheBackendInterface;
use Drupal\Core\Extension\ModuleHandlerInterface;
use Drupal\Tests\UnitTestCase;
use Psr\Log\LoggerInterface;

/**
 * @coversDefaultClass \Drupal\Core\Block\BlockManager
 *
 * @group block
 */
class BlockManagerTest extends UnitTestCase {
    
    /**
     * The block manager under test.
     *
     * @var \Drupal\Core\Block\BlockManager
     */
    protected $blockManager;
    
    /**
     * The logger.
     *
     * @var \Psr\Log\LoggerInterface
     */
    protected $logger;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        $cache_backend = $this->prophesize(CacheBackendInterface::class);
        $module_handler = $this->prophesize(ModuleHandlerInterface::class);
        $this->logger = $this->prophesize(LoggerInterface::class);
        $this->blockManager = new BlockManager(new \ArrayObject(), $cache_backend->reveal(), $module_handler->reveal(), $this->logger
            ->reveal());
        $this->blockManager
            ->setStringTranslation($this->getStringTranslationStub());
        $discovery = $this->prophesize(DiscoveryInterface::class);
        // Specify the 'broken' block, as well as 3 other blocks with admin labels
        // that are purposefully not in alphabetical order.
        $discovery->getDefinitions()
            ->willReturn([
            'broken' => [
                'admin_label' => 'Broken/Missing',
                'category' => 'Block',
                'class' => Broken::class,
                'provider' => 'core',
            ],
            'block1' => [
                'admin_label' => 'Coconut',
                'category' => 'Group 2',
            ],
            'block2' => [
                'admin_label' => 'Apple',
                'category' => 'Group 1',
            ],
            'block3' => [
                'admin_label' => 'Banana',
                'category' => 'Group 2',
            ],
        ]);
        // Force the discovery object onto the block manager.
        $property = new \ReflectionProperty(BlockManager::class, 'discovery');
        $property->setAccessible(TRUE);
        $property->setValue($this->blockManager, $discovery->reveal());
    }
    
    /**
     * @covers ::getDefinitions
     */
    public function testDefinitions() {
        $definitions = $this->blockManager
            ->getDefinitions();
        $this->assertSame([
            'broken',
            'block1',
            'block2',
            'block3',
        ], array_keys($definitions));
    }
    
    /**
     * @covers ::getSortedDefinitions
     */
    public function testSortedDefinitions() {
        $definitions = $this->blockManager
            ->getSortedDefinitions();
        $this->assertSame([
            'block2',
            'block3',
            'block1',
        ], array_keys($definitions));
    }
    
    /**
     * @covers ::getGroupedDefinitions
     */
    public function testGroupedDefinitions() {
        $definitions = $this->blockManager
            ->getGroupedDefinitions();
        $this->assertSame([
            'Group 1',
            'Group 2',
        ], array_keys($definitions));
        $this->assertSame([
            'block2',
        ], array_keys($definitions['Group 1']));
        $this->assertSame([
            'block3',
            'block1',
        ], array_keys($definitions['Group 2']));
    }
    
    /**
     * @covers ::handlePluginNotFound
     */
    public function testHandlePluginNotFound() {
        $this->logger
            ->warning('The "%plugin_id" was not found', [
            '%plugin_id' => 'invalid',
        ])
            ->shouldBeCalled();
        $plugin = $this->blockManager
            ->createInstance('invalid');
        $this->assertSame('broken', $plugin->getPluginId());
    }

}