class CommentUserNameTest

class CommentUserNameTest extends ViewsKernelTestBase {
    
    /**
     * Admin user.
     *
     * @var \Drupal\user\UserInterface
     */
    protected $adminUser;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'user',
        'comment',
        'entity_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp($import_test_views = TRUE) : void {
        parent::setUp($import_test_views);
        $this->installEntitySchema('user');
        $this->installEntitySchema('comment');
        $this->installEntitySchema('entity_test');
        // Create the anonymous role.
        $this->installConfig([
            'user',
        ]);
        // Create an anonymous user.
        $storage = \Drupal::entityTypeManager()->getStorage('user');
        // Insert a row for the anonymous user.
        $storage->create([
            'uid' => 0,
            'name' => '',
            'status' => 0,
        ])
            ->save();
        $admin_role = Role::create([
            'id' => 'admin',
            'permissions' => [
                'administer comments',
                'access user profiles',
            ],
            'label' => 'Admin',
        ]);
        $admin_role->save();
        
        /** @var \Drupal\user\RoleInterface $anonymous_role */
        $anonymous_role = Role::load(Role::ANONYMOUS_ID);
        $anonymous_role->grantPermission('access comments');
        $anonymous_role->save();
        $this->adminUser = User::create([
            'name' => $this->randomMachineName(),
            'roles' => [
                $admin_role->id(),
            ],
        ]);
        $this->adminUser
            ->save();
        $host = EntityTest::create([
            'name' => $this->randomString(),
        ]);
        $host->save();
        // Create some comments.
        $comment = Comment::create([
            'subject' => 'My comment title',
            'uid' => $this->adminUser
                ->id(),
            'name' => $this->adminUser
                ->label(),
            'entity_type' => 'entity_test',
            'field_name' => 'comment',
            'entity_id' => $host->id(),
            'comment_type' => 'entity_test',
            'status' => 1,
        ]);
        $comment->save();
        $comment_anonymous = Comment::create([
            'subject' => 'Anonymous comment title',
            'uid' => 0,
            'name' => 'barry',
            'mail' => 'test@example.com',
            'homepage' => 'https://example.com',
            'entity_type' => 'entity_test',
            'field_name' => 'comment',
            'entity_id' => $host->id(),
            'comment_type' => 'entity_test',
            'created' => 123456,
            'status' => 1,
        ]);
        $comment_anonymous->save();
    }
    
    /**
     * Tests the username formatter.
     */
    public function testUsername() {
        $view_id = $this->randomMachineName();
        $view = View::create([
            'id' => $view_id,
            'base_table' => 'comment_field_data',
            'display' => [
                'default' => [
                    'display_plugin' => 'default',
                    'id' => 'default',
                    'display_options' => [
                        'fields' => [
                            'name' => [
                                'table' => 'comment_field_data',
                                'field' => 'name',
                                'id' => 'name',
                                'plugin_id' => 'field',
                                'type' => 'comment_username',
                            ],
                            'subject' => [
                                'table' => 'comment_field_data',
                                'field' => 'subject',
                                'id' => 'subject',
                                'plugin_id' => 'field',
                                'type' => 'string',
                                'settings' => [
                                    'link_to_entity' => TRUE,
                                ],
                            ],
                        ],
                    ],
                ],
            ],
        ]);
        $view->save();
        
        /** @var \Drupal\Core\Session\AccountSwitcherInterface $account_switcher */
        $account_switcher = \Drupal::service('account_switcher');
        
        /** @var \Drupal\Core\Render\RendererInterface $renderer */
        $renderer = \Drupal::service('renderer');
        $account_switcher->switchTo($this->adminUser);
        $executable = Views::getView($view_id);
        $build = $executable->preview();
        $this->setRawContent($renderer->renderRoot($build));
        $this->assertLink('My comment title');
        $this->assertLink('Anonymous comment title');
        // Display plugin of the view is showing the name field. When comment
        // belongs to an authenticated user the name field has no value.
        $comment_author = $this->xpath('//div[contains(@class, :class)]/span[normalize-space(text())=""]', [
            ':class' => 'views-field-subject',
        ]);
        $this->assertNotEmpty($comment_author);
        // When comment belongs to an anonymous user the name field has a value and
        // it is rendered correctly.
        $this->assertLink('barry (not verified)');
        $account_switcher->switchTo(new AnonymousUserSession());
        $executable = Views::getView($view_id);
        $executable->storage
            ->invalidateCaches();
        $build = $executable->preview();
        $this->setRawContent($renderer->renderRoot($build));
        // No access to user-profiles, so shouldn't be able to see links.
        $this->assertNoLink($this->adminUser
            ->label());
        // Note: External users aren't pointing to drupal user profiles.
        $this->assertLink('barry (not verified)');
        $this->assertLink('My comment title');
        $this->assertLink('Anonymous comment title');
    }

}