class AssetResolverTest

class AssetResolverTest extends UnitTestCase {
  
  /**
   * The tested asset resolver service.
   *
   * @var \Drupal\Core\Asset\AssetResolver
   */
  protected $assetResolver;
  
  /**
   * The mocked library discovery service.
   *
   * @var \Drupal\Core\Asset\LibraryDiscoveryInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $libraryDiscovery;
  
  /**
   * The mocked library dependency resolver.
   *
   * @var \Drupal\Core\Asset\LibraryDependencyResolverInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $libraryDependencyResolver;
  
  /**
   * The mocked module handler.
   *
   * @var \Drupal\Core\Extension\ModuleHandlerInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $moduleHandler;
  
  /**
   * The mocked theme manager.
   *
   * @var \Drupal\Core\Theme\ThemeManagerInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $themeManager;
  
  /**
   * The mocked language manager.
   *
   * @var \Drupal\Core\Language\LanguageManagerInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $languageManager;
  
  /**
   * The cache backend to use.
   *
   * @var \Drupal\Core\Cache\CacheBackendInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $cache;
  
  /**
   * The mocked theme handler.
   *
   * @var \Drupal\Core\Extension\ThemeHandlerInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $themeHandler;
  
  /**
   * A mocked English language object.
   */
  protected LanguageInterface $english;
  
  /**
   * A mocked Japanese language object.
   */
  protected LanguageInterface $japanese;
  
  /**
   * An array of library definitions.
   */
  protected array $libraries = [];
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->libraryDiscovery = $this->getMockBuilder('Drupal\\Core\\Asset\\LibraryDiscovery')
      ->disableOriginalConstructor()
      ->getMock();
    $this->libraryDiscovery
      ->expects($this->any())
      ->method('getLibraryByName')
      ->willReturnCallback(function ($extension, $name) {
      return $this->libraries[$extension . '/' . $name];
    });
    $this->libraries = [
      'core/drupal' => [
        'version' => '1.0.0',
        'css' => [],
        'js' => [
          'core/misc/drupal.js' => [
            'data' => 'core/misc/drupal.js',
            'preprocess' => TRUE,
          ],
        ],
        'license' => '',
      ],
      'core/jquery' => [
        'version' => '1.0.0',
        'css' => [],
        'js' => [
          'core/misc/jquery.js' => [
            'data' => 'core/misc/jquery.js',
            'minified' => TRUE,
          ],
        ],
        'license' => '',
      ],
      'llama/css' => [
        'version' => '1.0.0',
        'css' => [
          'core/misc/llama.css' => [
            'data' => 'core/misc/llama.css',
          ],
        ],
        'js' => [],
        'license' => '',
      ],
      'piggy/css' => [
        'version' => '1.0.0',
        'css' => [
          'core/misc/piggy.css' => [
            'data' => 'core/misc/piggy.css',
          ],
        ],
        'js' => [],
        'license' => '',
      ],
      'core/ckeditor5' => [
        'remote' => 'https://github.com/ckeditor/ckeditor5',
        'version' => '1.0.0',
        'license' => '',
        'js' => [
          'assets/vendor/ckeditor5/ckeditor5-dll/ckeditor5-dll.js' => [
            'data' => 'assets/vendor/ckeditor5/ckeditor5-dll/ckeditor5-dll.js',
            'preprocess' => FALSE,
            'minified' => TRUE,
          ],
        ],
      ],
      'piggy/ckeditor' => [
        'version' => '1.0.0',
        'css' => [
          'core/misc/ckeditor.css' => [
            'data' => 'core/misc/ckeditor.css',
          ],
        ],
        'js' => [],
        'license' => '',
        'dependencies' => [
          'core/ckeditor5',
        ],
      ],
    ];
    $this->libraryDependencyResolver = new LibraryDependencyResolver($this->libraryDiscovery);
    $this->moduleHandler = $this->createMock('\\Drupal\\Core\\Extension\\ModuleHandlerInterface');
    $this->themeManager = $this->createMock('\\Drupal\\Core\\Theme\\ThemeManagerInterface');
    $active_theme = $this->getMockBuilder('\\Drupal\\Core\\Theme\\ActiveTheme')
      ->disableOriginalConstructor()
      ->getMock();
    $this->themeManager
      ->expects($this->any())
      ->method('getActiveTheme')
      ->willReturn($active_theme);
    $this->languageManager = $this->createMock('\\Drupal\\Core\\Language\\LanguageManagerInterface');
    $english = $this->createMock('\\Drupal\\Core\\Language\\LanguageInterface');
    $english->expects($this->any())
      ->method('getId')
      ->willReturn('en');
    $this->english = $english;
    $japanese = $this->createMock('\\Drupal\\Core\\Language\\LanguageInterface');
    $japanese->expects($this->any())
      ->method('getId')
      ->willReturn('jp');
    $this->japanese = $japanese;
    $this->languageManager = $this->createMock('\\Drupal\\Core\\Language\\LanguageManagerInterface');
    $this->languageManager
      ->expects($this->any())
      ->method('getCurrentLanguage')
      ->willReturn($english, $english, $japanese, $japanese);
    $this->cache = new TestMemoryBackend(new Time());
    $this->themeHandler = $this->createMock('\\Drupal\\Core\\Extension\\ThemeHandlerInterface');
    $this->assetResolver = new AssetResolver($this->libraryDiscovery, $this->libraryDependencyResolver, $this->moduleHandler, $this->themeManager, $this->languageManager, $this->cache, $this->themeHandler);
  }
  
  /**
   * Tests get css assets.
   */
  public function testGetCssAssets(AttachedAssetsInterface $assets_a, AttachedAssetsInterface $assets_b, $expected_css_cache_item_count) : void {
    $this->libraryDiscovery
      ->expects($this->any())
      ->method('getLibraryByName')
      ->willReturnCallback(function ($extension, $name) {
      return $this->libraries[$extension . '/' . $name];
    });
    $this->assetResolver
      ->getCssAssets($assets_a, FALSE, $this->english);
    $this->assetResolver
      ->getCssAssets($assets_b, FALSE, $this->english);
    $this->assertCount($expected_css_cache_item_count, $this->cache
      ->getAllCids());
  }
  public static function providerAttachedCssAssets() : array {
    return [
      'one js only library and one css only library' => [
        (new AttachedAssets())->setAlreadyLoadedLibraries([])
          ->setLibraries([
          'core/drupal',
        ]),
        (new AttachedAssets())->setAlreadyLoadedLibraries([])
          ->setLibraries([
          'llama/css',
        ]),
        1,
      ],
      'two different css libraries' => [
        (new AttachedAssets())->setAlreadyLoadedLibraries([])
          ->setLibraries([
          'core/drupal',
          'llama/css',
        ]),
        (new AttachedAssets())->setAlreadyLoadedLibraries([])
          ->setLibraries([
          'piggy/css',
        ]),
        2,
      ],
    ];
  }
  
  /**
   * Tests get js assets.
   */
  public function testGetJsAssets(AttachedAssetsInterface $assets_a, AttachedAssetsInterface $assets_b, $expected_js_cache_item_count, $expected_multilingual_js_cache_item_count) : void {
    $this->libraryDiscovery
      ->expects($this->any())
      ->method('getLibraryByName')
      ->willReturnCallback(function ($extension, $name) {
      return $this->libraries[$extension . '/' . $name];
    });
    $this->assetResolver
      ->getJsAssets($assets_a, FALSE, $this->english);
    $this->assetResolver
      ->getJsAssets($assets_b, FALSE, $this->english);
    $this->assertCount($expected_js_cache_item_count, $this->cache
      ->getAllCids());
    $this->assetResolver
      ->getJsAssets($assets_a, FALSE, $this->japanese);
    $this->assetResolver
      ->getJsAssets($assets_b, FALSE, $this->japanese);
    $this->assertCount($expected_multilingual_js_cache_item_count, $this->cache
      ->getAllCids());
  }
  public static function providerAttachedJsAssets() : array {
    $time = time();
    return [
      'same libraries, different timestamps' => [
        (new AttachedAssets())->setAlreadyLoadedLibraries([])
          ->setLibraries([
          'core/drupal',
        ])
          ->setSettings([
          'currentTime' => $time,
        ]),
        (new AttachedAssets())->setAlreadyLoadedLibraries([])
          ->setLibraries([
          'core/drupal',
        ])
          ->setSettings([
          'currentTime' => $time + 100,
        ]),
        1,
        2,
      ],
      'different libraries, same timestamps' => [
        (new AttachedAssets())->setAlreadyLoadedLibraries([])
          ->setLibraries([
          'core/drupal',
        ])
          ->setSettings([
          'currentTime' => $time,
        ]),
        (new AttachedAssets())->setAlreadyLoadedLibraries([])
          ->setLibraries([
          'core/drupal',
          'core/jquery',
        ])
          ->setSettings([
          'currentTime' => $time,
        ]),
        2,
        4,
      ],
    ];
  }
  
  /**
   * Test that order of scripts are correct.
   */
  public function testJsAssetsOrder() : void {
    $time = time();
    $assets_a = (new AttachedAssets())->setAlreadyLoadedLibraries([])
      ->setLibraries([
      'core/drupal',
      'core/ckeditor5',
      'core/jquery',
      'piggy/ckeditor',
    ])
      ->setSettings([
      'currentTime' => $time,
    ]);
    $assets_b = (new AttachedAssets())->setAlreadyLoadedLibraries([])
      ->setLibraries([
      'piggy/ckeditor',
      'core/drupal',
      'core/ckeditor5',
      'core/jquery',
    ])
      ->setSettings([
      'currentTime' => $time,
    ]);
    $js_assets_a = $this->assetResolver
      ->getJsAssets($assets_a, FALSE, $this->english);
    $js_assets_b = $this->assetResolver
      ->getJsAssets($assets_b, FALSE, $this->english);
    $grouper = new JsCollectionGrouper();
    $group_a = $grouper->group($js_assets_a[1]);
    $group_b = $grouper->group($js_assets_b[1]);
    foreach ($group_a as $key => $value) {
      $this->assertSame($value['items'], $group_b[$key]['items']);
    }
  }

}