def test_legacy_kraken_warning(self, repo_init: KrakenRepository, mocker: MockerFixture) -> None:
# arrange
mocker.patch.object(DeviceSettings, '__subclasses__', return_value=[SettingsKrakenLegacy])
mocker.patch.object(Legacy690Lc, 'find_supported_devices', return_value=[Legacy690Lc('012345', 'test device')])
mocker.patch.object(Legacy690Lc, 'connect')
mocker.patch.object(Legacy690Lc, 'initialize')
# act
with pytest.raises(LegacyKrakenWarning) as warning:
repo_init.has_supported_kraken()
# assert
assert 'driver conflict' in str(warning.value)
# act 2 - after warning has been issued to the user
is_supported = repo_init.has_supported_kraken()
# assert 2
assert isinstance(repo_init._driver, Legacy690Lc)
assert is_supported
def test_has_supported_kraken_no_device_found(self, repo_init: KrakenRepository, mocker: MockerFixture) -> None:
# arrange
mocker.patch.object(DeviceSettings, '__subclasses__', return_value=[])
# act
is_supported = repo_init.has_supported_kraken()
# assert
assert repo_init._driver is None
assert not is_supported
def test_has_supported_kraken_yes(self, repo_init: KrakenRepository, mocker: MockerFixture) -> None:
# arrange
mocker.patch.object(DeviceSettings, '__subclasses__', return_value=[SettingsKraken2])
mocker.patch.object(Kraken2, 'find_supported_devices', return_value=[Kraken2('012345', 'test device')])
mocker.patch.object(Kraken2, 'connect')
mocker.patch.object(Kraken2, 'initialize')
# act
is_supported = repo_init.has_supported_kraken()
# assert
assert isinstance(repo_init._driver, Kraken2)
assert is_supported
def test_has_supported_kraken_connection_error(self, repo_init: KrakenRepository, mocker: MockerFixture) -> None:
# arrange
mocker.patch.object(DeviceSettings, '__subclasses__', return_value=[SettingsKraken2])
mocker.patch.object(Kraken2, 'find_supported_devices', return_value=[Kraken2('012345', 'test device')])
mocker.patch.object(Kraken2, 'connect', side_effect=OSError("open failed"))
mocker.patch.object(Kraken2, 'disconnect')
# act
is_supported = repo_init.has_supported_kraken()
# assert
assert repo_init._driver is None # should be reset after has_supported_kraken call
assert is_supported