class UserNameFormatterTest

class UserNameFormatterTest extends KernelTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'field',
        'user',
        'system',
    ];
    
    /**
     * @var string
     */
    protected $entityType;
    
    /**
     * @var string
     */
    protected $bundle;
    
    /**
     * @var string
     */
    protected $fieldName;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->installConfig([
            'field',
        ]);
        $this->installEntitySchema('user');
        $this->installSchema('system', [
            'sequences',
        ]);
        $this->entityType = 'user';
        $this->bundle = $this->entityType;
        $this->fieldName = 'name';
    }
    
    /**
     * Renders fields of a given entity with a given display.
     *
     * @param \Drupal\Core\Entity\FieldableEntityInterface $entity
     *   The entity object with attached fields to render.
     * @param \Drupal\Core\Entity\Display\EntityViewDisplayInterface $display
     *   The display to render the fields in.
     *
     * @return string
     *   The rendered entity fields.
     */
    protected function renderEntityFields(FieldableEntityInterface $entity, EntityViewDisplayInterface $display) {
        $content = $display->build($entity);
        $content = $this->render($content);
        return $content;
    }
    
    /**
     * Tests the formatter output.
     */
    public function testFormatter() {
        $user = User::create([
            'name' => 'test name',
        ]);
        $user->save();
        $result = $user->{$this->fieldName}
            ->view([
            'type' => 'user_name',
        ]);
        $this->assertEquals('username', $result[0]['#theme']);
        $this->assertEquals(spl_object_hash($user), spl_object_hash($result[0]['#account']));
        $result = $user->{$this->fieldName}
            ->view([
            'type' => 'user_name',
            'settings' => [
                'link_to_entity' => FALSE,
            ],
        ]);
        $this->assertEquals($user->getDisplayName(), $result[0]['#markup']);
        $user = User::getAnonymousUser();
        $result = $user->{$this->fieldName}
            ->view([
            'type' => 'user_name',
        ]);
        $this->assertEquals('username', $result[0]['#theme']);
        $this->assertEquals(spl_object_hash($user), spl_object_hash($result[0]['#account']));
        $result = $user->{$this->fieldName}
            ->view([
            'type' => 'user_name',
            'settings' => [
                'link_to_entity' => FALSE,
            ],
        ]);
        $this->assertEquals($user->getDisplayName(), $result[0]['#markup']);
        $this->assertEquals($this->config('user.settings')
            ->get('anonymous'), $result[0]['#markup']);
    }

}