import struct
import asyncio
from unittest.mock import AsyncMock
from pm3py.protocol import Cmd
from pm3py.transport import PM3Response
from pm3py.hf_mf import HFMFCommands

def test_mf_rdbl():
    t = AsyncMock()
    mf = HFMFCommands(t)
    block_data = bytes(range(16))
    t.send_ng.return_value = PM3Response(cmd=Cmd.HF_MIFARE_READBL, status=0,
                                         reason=0, ng=True, data=block_data)
    result = asyncio.get_event_loop().run_until_complete(
        mf.rdbl(block=0, key="FFFFFFFFFFFF"))
    assert result["data"] == block_data.hex()
    assert len(result["raw"]) == 16

def test_mf_wrbl():
    t = AsyncMock()
    mf = HFMFCommands(t)
    t.send_mix.return_value = PM3Response(cmd=Cmd.ACK, status=0, reason=0,
                                          ng=False, data=b"", oldarg=[1, 0, 0])
    result = asyncio.get_event_loop().run_until_complete(
        mf.wrbl(block=4, key="FFFFFFFFFFFF", data="00" * 16))
    assert result["success"] is True