StableTemplateOverrideTest.php

<?php

namespace Drupal\KernelTests\Core\Theme;

use Drupal\Core\Theme\Registry;
use Drupal\KernelTests\KernelTestBase;

/**
 * Tests Stable's template overrides.
 *
 * @group Theme
 */
class StableTemplateOverrideTest extends KernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    public static $modules = [
        'system',
        'user',
    ];
    
    /**
     * An array of template names to skip, without the extension.
     *
     * @var string[]
     */
    protected $templatesToSkip = [
        'views-form-views-form',
    ];
    
    /**
     * The theme handler.
     *
     * @var \Drupal\Core\Extension\ThemeHandlerInterface
     */
    protected $themeHandler;
    
    /**
     * A list of all core modules.
     *
     * @var string[]
     */
    protected $allModules;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        $this->themeHandler = $this->container
            ->get('theme_handler');
        $this->container
            ->get('theme_installer')
            ->install([
            'stable',
        ]);
        $this->installAllModules();
    }
    
    /**
     * Installs all core modules.
     */
    protected function installAllModules() {
        // Enable all core modules.
        $all_modules = $this->container
            ->get('extension.list.module')
            ->getList();
        $all_modules = array_filter($all_modules, function ($module) {
            // Filter contrib, hidden, experimental, already enabled modules, and
            // modules in the Testing package.
            if ($module->origin !== 'core' || !empty($module->info['hidden']) || $module->status == TRUE || $module->info['package'] == 'Testing' || $module->info['package'] == 'Core (Experimental)') {
                return FALSE;
            }
            return TRUE;
        });
        $this->allModules = array_keys($all_modules);
        sort($this->allModules);
        $module_installer = $this->container
            ->get('module_installer');
        $module_installer->install($this->allModules);
        $this->installConfig([
            'system',
            'user',
        ]);
    }
    
    /**
     * Ensures that Stable overrides all relevant core templates.
     */
    public function testStableTemplateOverrides() {
        $registry = new Registry($this->root, \Drupal::cache(), \Drupal::lock(), \Drupal::moduleHandler(), $this->themeHandler, \Drupal::service('theme.initialization'), 'stable');
        $registry->setThemeManager(\Drupal::theme());
        $registry_full = $registry->get();
        foreach ($registry_full as $hook => $info) {
            if (isset($info['template'])) {
                // Allow skipping templates.
                if (in_array($info['template'], $this->templatesToSkip)) {
                    continue;
                }
                $this->assertEquals('core/themes/stable', $info['theme path'], $info['template'] . '.html.twig overridden in Stable.');
            }
        }
    }

}