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"""
Test the instrument class for the Velleman F8090.

This is not an integration test! This is software-only.
"""
import pytest

from pymeasure.test import expected_protocol
from pymeasure.instruments.velleman import VellemanK8090, VellemanK8090Switches as Switches


def test_version():
    with expected_protocol(
        VellemanK8090,
        [
            (
                bytearray.fromhex("04 71 00 00 00 8B 0F"),
                bytearray.fromhex("04 71 FF 0A 01 81 0F"),
            )
        ],
    ) as inst:
        assert inst.version == (10, 1)


@pytest.mark.parametrize("reply,msg", [
    (b"0", "Incoming packet was 1 bytes instead of 7"),
    (bytearray.fromhex("04 71 FF 0A 01 82 0F"), "Packet checksum was not correct"),
    (bytearray.fromhex("04 71 FF 0A 01 81 00"), "Received invalid start and stop bytes"),
])
def test_version_bad_reply_short(reply, msg):
    with expected_protocol(
        VellemanK8090,
        [
            (
                bytearray.fromhex("04 71 00 00 00 8B 0F"),
                reply,
            )
        ],
    ) as inst:
        with pytest.raises(ConnectionError, match=msg):
            _ = inst.version


def test_status():
    with expected_protocol(
        VellemanK8090,
        [
            (
                bytearray.fromhex("04 18 00 00 00 E4 0F"),
                bytearray.fromhex("04 51 01 15 80 15 0F"),
            )
        ],
    ) as inst:
        last_on, curr_on, time_on = inst.status

        assert last_on == Switches.CH1
        assert curr_on == Switches.CH1 | Switches.CH3 | Switches.CH5
        assert time_on == Switches.CH8


def test_switch_on():
    with expected_protocol(
        VellemanK8090,
        [
            (
                bytearray.fromhex("04 11 05 00 00 E6 0F"),
                bytearray.fromhex("04 51 01 05 80 25 0F"),
            )
        ]
        * 2,
    ) as inst:
        # Test both signatures
        inst.switch_on = Switches.CH1 | Switches.CH3
        inst.switch_on = [1, 3]


def test_switch_off():
    with expected_protocol(
        VellemanK8090,
        [
            (
                bytearray.fromhex("04 12 FF 00 00 EB 0F"),
                bytearray.fromhex("04 51 01 00 80 2A 0F"),
            )
        ],
    ) as inst:
        inst.switch_off = Switches.ALL