ResolvedLibraryDefinitionsFilesMatchTest.php

<?php

namespace Drupal\KernelTests\Core\Asset;

use Drupal\KernelTests\KernelTestBase;

/**
 * Tests that the asset files for all core libraries exist.
 *
 * This test also changes the active theme to each core theme to verify
 * the libraries after theme-level libraries-override and libraries-extend are
 * applied.
 *
 * @group Asset
 */
class ResolvedLibraryDefinitionsFilesMatchTest extends KernelTestBase {
    
    /**
     * The theme handler.
     *
     * @var \Drupal\Core\Extension\ThemeHandlerInterface
     */
    protected $themeHandler;
    
    /**
     * The theme initialization.
     *
     * @var \Drupal\Core\Theme\ThemeInitializationInterface
     */
    protected $themeInitialization;
    
    /**
     * The theme manager.
     *
     * @var \Drupal\Core\Theme\ThemeManagerInterface
     */
    protected $themeManager;
    
    /**
     * The library discovery service.
     *
     * @var \Drupal\Core\Asset\LibraryDiscoveryInterface
     */
    protected $libraryDiscovery;
    
    /**
     * A list of all core modules.
     *
     * @var string[]
     */
    protected $allModules;
    
    /**
     * A list of all core themes.
     *
     * We hardcode this because test themes don't use a 'package' or 'hidden' key
     * so we don't have a good way of filtering to only get "real" themes.
     *
     * @var string[]
     */
    protected $allThemes = [
        'bartik',
        'classy',
        'seven',
        'stable',
        'stark',
    ];
    
    /**
     * A list of libraries to skip checking, in the format extension/library_name.
     *
     * @var string[]
     */
    protected $librariesToSkip = [
        // Locale has a "dummy" library that does not actually exist.
'locale/translations',
    ];
    
    /**
     * A list of all paths that have been checked.
     *
     * @var array[]
     */
    protected $pathsChecked;
    
    /**
     * {@inheritdoc}
     */
    public static $modules = [
        'system',
        'user',
        'path_alias',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        // Install all core themes.
        sort($this->allThemes);
        $this->container
            ->get('theme_installer')
            ->install($this->allThemes);
        // Enable all core modules.
        $all_modules = $this->container
            ->get('extension.list.module')
            ->getList();
        $all_modules = array_filter($all_modules, function ($module) {
            // Filter contrib, hidden, already enabled modules and modules in the
            // Testing package.
            if ($module->origin !== 'core' || !empty($module->info['hidden']) || $module->status == TRUE || $module->info['package'] == 'Testing') {
                return FALSE;
            }
            return TRUE;
        });
        // Install the 'user' entity schema because the workspaces module's install
        // hook creates a workspace with default uid of 1. Then the layout_builder
        // module's implementation of hook_entity_presave will cause
        // \Drupal\Core\TypedData\Validation\RecursiveValidator::validate() to run
        // on the workspace which will fail because the user table is not present.
        // @todo Remove this in https://www.drupal.org/node/3039217.
        $this->installEntitySchema('user');
        // Remove demo_umami_content module as its install hook creates content
        // that relies on the presence of entity tables and various other elements
        // not present in a kernel test.
        unset($all_modules['demo_umami_content']);
        $this->allModules = array_keys($all_modules);
        $this->allModules[] = 'system';
        $this->allModules[] = 'user';
        $this->allModules[] = 'path_alias';
        sort($this->allModules);
        $this->container
            ->get('module_installer')
            ->install($this->allModules);
        $this->themeHandler = $this->container
            ->get('theme_handler');
        $this->themeInitialization = $this->container
            ->get('theme.initialization');
        $this->themeManager = $this->container
            ->get('theme.manager');
        $this->libraryDiscovery = $this->container
            ->get('library.discovery');
    }
    
    /**
     * Ensures that all core module and theme library files exist.
     */
    public function testCoreLibraryCompleteness() {
        // First verify all libraries with no active theme.
        $this->verifyLibraryFilesExist($this->getAllLibraries());
        // Then verify all libraries for each core theme. This may seem like
        // overkill but themes can override and extend other extensions' libraries
        // and these changes are only applied for the active theme.
        foreach ($this->allThemes as $theme) {
            $this->themeManager
                ->setActiveTheme($this->themeInitialization
                ->getActiveThemeByName($theme));
            $this->libraryDiscovery
                ->clearCachedDefinitions();
            $this->verifyLibraryFilesExist($this->getAllLibraries());
        }
    }
    
    /**
     * Checks that all the library files exist.
     *
     * @param array[] $library_definitions
     *   An array of library definitions, keyed by extension, then by library, and
     *   so on.
     */
    protected function verifyLibraryFilesExist($library_definitions) {
        foreach ($library_definitions as $extension => $libraries) {
            foreach ($libraries as $library_name => $library) {
                if (in_array("{$extension}/{$library_name}", $this->librariesToSkip)) {
                    continue;
                }
                // Check that all the assets exist.
                foreach ([
                    'css',
                    'js',
                ] as $asset_type) {
                    foreach ($library[$asset_type] as $asset) {
                        $file = $asset['data'];
                        $path = $this->root . '/' . $file;
                        // Only check and assert each file path once.
                        if (!isset($this->pathsChecked[$path])) {
                            $this->assertFileExists($path, "{$file} file referenced from the {$extension}/{$library_name} library does not exist.");
                            $this->pathsChecked[$path] = TRUE;
                        }
                    }
                }
            }
        }
    }
    
    /**
     * Gets all libraries for core and all installed modules.
     *
     * @return \Drupal\Core\Extension\Extension[]
     */
    protected function getAllLibraries() {
        $modules = \Drupal::moduleHandler()->getModuleList();
        $extensions = $modules;
        $module_list = array_keys($modules);
        sort($module_list);
        $this->assertEqual($this->allModules, $module_list, 'All core modules are installed.');
        $themes = $this->themeHandler
            ->listInfo();
        $extensions += $themes;
        $theme_list = array_keys($themes);
        sort($theme_list);
        $this->assertEqual($this->allThemes, $theme_list, 'All core themes are installed.');
        $libraries['core'] = $this->libraryDiscovery
            ->getLibrariesByExtension('core');
        foreach ($extensions as $extension_name => $extension) {
            $library_file = $extension->getPath() . '/' . $extension_name . '.libraries.yml';
            if (is_file($this->root . '/' . $library_file)) {
                $libraries[$extension_name] = $this->libraryDiscovery
                    ->getLibrariesByExtension($extension_name);
            }
        }
        return $libraries;
    }

}