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"""Fixtures definitions for pyEGPS tests."""
from __future__ import annotations
from array import array
from unittest.mock import MagicMock
import pytest
CTRL_IN = 1 << 7
def get_usb_mock(product_id: int) -> MagicMock:
"""Create a Mock representing a pyusb device."""
mock = MagicMock()
mock.idProduct = product_id
mock.manufacturer = "AllFake"
mock.product = "Fake-Product"
def ctrl_transfer(
bmRequestType,
bRequest,
wValue,
wIndex,
data_or_wLength,
USB_CTRL_TRANSFER_TIMEOUT,
) -> bytes | int:
req_in: bool = (bmRequestType & CTRL_IN) == CTRL_IN
return array("B", []) if req_in else 0
mock.ctrl_transfer = ctrl_transfer
return mock
@pytest.fixture
def fakeUsbDevice() -> MagicMock:
"""Return a fake USB device with supported product_id."""
return get_usb_mock(product_id=0xFD15)
@pytest.fixture
def fakeUnknownUsbDevice() -> MagicMock:
"""Return a fake USB device with unsupported product_id."""
return get_usb_mock(product_id=0xFD20)
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