FileNamingResolver\FileInfo::getBasename PHP Method

    public function getBasename($suffix = null)
    {
        if (null === $suffix) {
            $suffix = static::SEPARATOR_EXTENSION . $this->getExtension();
        }
        return parent::getBasename((string) $suffix);
    }

 public function testGetBasename()
 {
     $fileInfo = new FileInfo(__FILE__);
     $filename = $fileInfo->getFilename();
     $basename = trim($filename, '.' . $fileInfo->getExtension());
     $this->assertEquals($basename, $fileInfo->getBasename());
 }