# File lib/deltacloud/drivers/mock/mock_driver.rb, line 449
  def delete_blob(credentials, bucket_id, blob_id, opts={})
    check_credentials(credentials)
    blobfile = File::join("#{@storage_root}", "buckets", "blobs", "#{blob_id}.yml")
    safely do
      unless File.exists?(blobfile)
        raise Deltacloud::BackendError.new(500, self.class.to_s, "blob #{blob_id} doesn't exist", "cannot delete non existant blob")
      end
      File.delete(blobfile)
    end
  end