Bolt\Twig\Handler\RecordHandler::excerpt PHP Method

    public function excerpt($content, $length = 200, $focus = null)
    {
        $excerpter = new Excerpt($content);
        $excerpt = $excerpter->getExcerpt($length, false, $focus);
        return $excerpt;
    }

 public function testExcerptNull()
 {
     $app = $this->getApp();
     $handler = new RecordHandler($app);
     $result = $handler->excerpt(null);
     $this->assertSame('', $result);
 }