class RouteCachingLanguageTest

class RouteCachingLanguageTest extends BrowserTestBase {
    use ContentTranslationTestTrait;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'path',
        'node',
        'content_translation',
        'link',
        'block',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * A user with permissions to administer content types.
     *
     * @var \Drupal\user\UserInterface
     */
    protected $webUser;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->createContentType([
            'type' => 'page',
        ]);
        $this->drupalPlaceBlock('local_tasks_block');
        $this->drupalPlaceBlock('page_title_block');
        $permissions = [
            'access administration pages',
            'administer content translation',
            'administer content types',
            'administer languages',
            'administer url aliases',
            'create content translations',
            'create page content',
            'create url aliases',
            'edit any page content',
            'translate any entity',
        ];
        // Create and log in user.
        $this->webUser = $this->drupalCreateUser($permissions);
        $this->drupalLogin($this->webUser);
        // Enable French language.
        static::createLanguageFromLangcode('fr');
        // Enable translation for page node.
        static::enableContentTranslation('node', 'page');
        // Create a field with settings to validate.
        $field_storage = FieldStorageConfig::create([
            'field_name' => 'field_link',
            'entity_type' => 'node',
            'type' => 'link',
        ]);
        $field_storage->save();
        $field = FieldConfig::create([
            'field_storage' => $field_storage,
            'bundle' => 'page',
            'settings' => [
                'title' => DRUPAL_OPTIONAL,
                'link_type' => LinkItemInterface::LINK_GENERIC,
            ],
        ]);
        $field->save();
        \Drupal::service('entity_display.repository')->getFormDisplay('node', 'page', 'default')
            ->setComponent('field_link', [
            'type' => 'link_default',
        ])
            ->save();
        \Drupal::service('entity_display.repository')->getViewDisplay('node', 'page', 'full')
            ->setComponent('field_link', [
            'type' => 'link',
        ])
            ->save();
        // Enable URL language detection and selection and set a prefix for both
        // languages.
        \Drupal::configFactory()->getEditable('language.types')
            ->set('negotiation.language_interface.enabled.language_url', 1)
            ->save();
        \Drupal::configFactory()->getEditable('language.negotiation')
            ->set('url.prefixes.en', 'en')
            ->save();
        // Reset the cache after changing the negotiation settings as that changes
        // how links are built.
        $this->resetAll();
        $definitions = \Drupal::service('entity_field.manager')->getFieldDefinitions('node', 'page');
        $this->assertTrue($definitions['path']->isTranslatable(), 'Node path is translatable.');
        $this->assertTrue($definitions['body']->isTranslatable(), 'Node body is translatable.');
    }
    
    /**
     * Creates content with a link field pointing to an alias of another language.
     *
     * @dataProvider providerLanguage
     */
    public function testLinkTranslationWithAlias($source_langcode) : void {
        $source_url_options = [
            'language' => ConfigurableLanguage::load($source_langcode),
        ];
        // Create a target node in the source language that is the link target.
        $edit = [
            'langcode[0][value]' => $source_langcode,
            'title[0][value]' => 'Target page',
            'path[0][alias]' => '/target-page',
        ];
        $this->drupalGet('node/add/page', $source_url_options);
        $this->submitForm($edit, 'Save');
        // Confirm that the alias works.
        $assert_session = $this->assertSession();
        $assert_session->addressEquals($source_langcode . '/target-page');
        $assert_session->statusCodeEquals(200);
        $assert_session->pageTextContains('Target page');
        // Create a second node that links to the first through the link field.
        $edit = [
            'langcode[0][value]' => $source_langcode,
            'title[0][value]' => 'Link page',
            'field_link[0][uri]' => '/target-page',
            'field_link[0][title]' => 'Target page',
            'path[0][alias]' => '/link-page',
        ];
        $this->drupalGet('node/add/page', $source_url_options);
        $this->submitForm($edit, 'Save');
        // Make sure the link node is displayed with a working link.
        $assert_session->pageTextContains('Link page');
        $this->clickLink('Target page');
        $assert_session->addressEquals($source_langcode . '/target-page');
        $assert_session->statusCodeEquals(200);
        $assert_session->pageTextContains('Target page');
        // Clear all caches, then add a translation for the link node.
        $this->resetAll();
        $this->drupalGet('link-page', $source_url_options);
        $this->clickLink('Translate');
        $this->clickLink('Add');
        // Do not change the link field.
        $edit = [
            'title[0][value]' => 'Translated link page',
            'path[0][alias]' => '/translated-link-page',
        ];
        $this->submitForm($edit, 'Save (this translation)');
        $assert_session->pageTextContains('Translated link page');
        // @todo Clicking on the link does not include the language prefix.
        $this->drupalGet('target-page', $source_url_options);
        $assert_session->statusCodeEquals(200);
        $assert_session->pageTextContains('Target page');
    }
    
    /**
     * Data provider for testFromUri().
     */
    public static function providerLanguage() {
        return [
            [
                'en',
            ],
            [
                'fr',
            ],
        ];
    }

}