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"""Main pyEGPS tests."""
from __future__ import annotations
from array import array
import pytest
from unittest.mock import patch
import usb.core
from pyegps.usb.eg_powerstrip import PowerStripUSB
from pyegps.exceptions import MaximumConnectionTriesReached, MissingLibrary
def test_main(fakeUsbDevice):
"""Dummy Test."""
# check that all device impl have a unique id
ps = PowerStripUSB(fakeUsbDevice)
assert ps.manufacturer == "AllFake"
with pytest.raises(MaximumConnectionTriesReached):
_ = ps.device_id
with patch.object(
fakeUsbDevice, "ctrl_transfer", return_value=array("B", [1, 2, 3])
):
assert ps.device_id == ":".join(
[ps.get_implementation_id()] + [format(x, "02x") for x in [1, 2, 3]]
)
def test_main_error_check(fakeUsbDevice):
"""Dummy Test."""
# check that all device impl have a unique id
ps = PowerStripUSB(fakeUsbDevice)
with patch.object(
fakeUsbDevice,
"ctrl_transfer",
return_value=array("B", [1, 2, 3]),
side_effect=usb.core.USBError("Error"),
):
with pytest.raises(MaximumConnectionTriesReached):
_ = ps.device_id
with patch("usb.core.find", side_effect=usb.core.NoBackendError("Error")):
with pytest.raises(MissingLibrary):
PowerStripUSB.search_for_devices()
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