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<?php
declare(strict_types=1);
namespace Drupal\KernelTests\Components;
use Drupal\Core\Render\BubbleableMetadata;
use Drupal\Core\Render\RenderContext;
use Drupal\Core\Theme\ComponentNegotiator;
use Drupal\Core\Theme\ComponentPluginManager;
use Drupal\KernelTests\KernelTestBase;
use Symfony\Component\DomCrawler\Crawler;
/**
* Defines a base class for component kernel tests.
*/
abstract class ComponentKernelTestBase extends KernelTestBase {
/**
* {@inheritdoc}
*/
protected static $modules = [
'system',
'user',
'serialization',
];
/**
* Themes to install.
*
* @var string[]
*/
protected static $themes = [];
/**
* The component negotiator.
*
* @return \Drupal\Core\Theme\ComponentNegotiator
*/
protected ComponentNegotiator $negotiator;
/**
* The component plugin manager.
*
* @var \Drupal\Core\Theme\ComponentPluginManager
*/
protected ComponentPluginManager $manager;
/**
* {@inheritdoc}
*/
protected function setUp(): void {
parent::setUp();
if (empty(static::$themes)) {
throw new \Exception('You need to set the protected static $themes property on your test class, with the first item being the default theme.');
}
$this->container->get('theme_installer')->install(static::$themes);
$this->installConfig('system');
$system_theme_config = $this->container->get('config.factory')->getEditable('system.theme');
$theme_name = reset(static::$themes);
$system_theme_config
->set('default', $theme_name)
->save();
$theme_manager = \Drupal::service('theme.manager');
$active_theme = \Drupal::service('theme.initialization')->initTheme($theme_name);
$theme_manager->setActiveTheme($active_theme);
$this->negotiator = new ComponentNegotiator($theme_manager);
$this->manager = \Drupal::service('plugin.manager.sdc');
}
/**
* Renders a component for testing sake.
*
* @param array $component
* Component render array.
* @param \Drupal\Core\Render\BubbleableMetadata|null $metadata
* Bubble metadata.
*
* @return \Symfony\Component\DomCrawler\Crawler
* Crawler for introspecting the rendered component.
*/
protected function renderComponentRenderArray(array $component, ?BubbleableMetadata $metadata = NULL): Crawler {
$component = [
'#type' => 'container',
'#attributes' => [
'id' => 'sdc-wrapper',
],
'component' => $component,
];
$metadata = $metadata ?: new BubbleableMetadata();
$context = new RenderContext();
$renderer = \Drupal::service('renderer');
$output = $renderer->executeInRenderContext($context, fn () => $renderer->render($component));
if (!$context->isEmpty()) {
$metadata->addCacheableDependency($context->pop());
}
return new Crawler((string) $output);
}
}
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