def METHOD_NAME():
    """Test the class that receives progress callbacks."""
    thread = threading.current_thread()
    callback = file_transfer.TransferCallback(100)
    callback(10)
    for key, value in callback.thread_info.items():
        assert key == thread.ident
        assert value == 10
    callback(50)
    for key, value in callback.thread_info.items():
        assert key == thread.ident
        assert value == 60