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"""Test backward compatibility with liquidctl 1.1.x."""
import pytest
import usb
from liquidctl.driver.kraken2 import Kraken2
from liquidctl.driver.usb import hid, HidapiDevice
class _MockPyUsbHandle(usb.core.Device):
def __init__(self, serial_number):
self.idVendor = 0x1e71
self.idProduct = 0x170e
self._serial_number = serial_number
class MockResourceManager():
def dispose(self, *args, **kwargs):
pass
self._ctx = MockResourceManager()
def _mock_enumerate(vendor_id=0, product_id=0):
return [
{'vendor_id': vendor_id, 'product_id': product_id, 'serial_number': '_21', 'path': b'/_21'},
{'vendor_id': vendor_id, 'product_id': product_id, 'serial_number': '_89', 'path': b'/_89'}
]
def test_construct_with_raw_pyusb_handle(monkeypatch):
monkeypatch.setattr(hid, 'enumerate', _mock_enumerate)
pyusb_handle = _MockPyUsbHandle(serial_number='_89')
liquidctl_device = Kraken2(pyusb_handle, 'Some device')
assert liquidctl_device.device.vendor_id == pyusb_handle.idVendor, \
'<driver instance>.device points to incorrect physical device'
assert liquidctl_device.device.product_id == pyusb_handle.idProduct, \
'<driver instance>.device points to incorrect physical device'
assert liquidctl_device.device.serial_number == pyusb_handle.serial_number, \
'<driver instance>.device points to different physical unit'
assert isinstance(liquidctl_device.device, HidapiDevice), \
'<driver instance>.device not properly converted to HidapiDevice instance'
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