python-kasa/tests/test_feature.py

214 lines
7.2 KiB
Python

import logging
from unittest.mock import AsyncMock, patch
import pytest
from pytest_mock import MockerFixture
from kasa import Device, Feature, KasaException
_LOGGER = logging.getLogger(__name__)
class DummyDevice:
pass
@pytest.fixture
def dummy_feature() -> Feature:
# create_autospec for device slows tests way too much, so we use a dummy here
feat = Feature(
device=DummyDevice(), # type: ignore[arg-type]
id="dummy_feature",
name="dummy_feature",
attribute_getter="dummygetter",
attribute_setter="dummysetter",
container=None,
icon="mdi:dummy",
type=Feature.Type.Switch,
unit_getter=lambda: "dummyunit",
)
return feat
def test_feature_api(dummy_feature: Feature):
"""Test all properties of a dummy feature."""
assert dummy_feature.device is not None
assert dummy_feature.name == "dummy_feature"
assert dummy_feature.attribute_getter == "dummygetter"
assert dummy_feature.attribute_setter == "dummysetter"
assert dummy_feature.container is None
assert dummy_feature.icon == "mdi:dummy"
assert dummy_feature.type == Feature.Type.Switch
assert dummy_feature.unit == "dummyunit"
@pytest.mark.parametrize(
"read_only_type", [Feature.Type.Sensor, Feature.Type.BinarySensor]
)
def test_feature_setter_on_sensor(read_only_type):
"""Test that creating a sensor feature with a setter causes an error."""
with pytest.raises(ValueError, match="Invalid type for configurable feature"):
Feature(
device=DummyDevice(), # type: ignore[arg-type]
id="dummy_error",
name="dummy error",
attribute_getter="dummygetter",
attribute_setter="dummysetter",
type=read_only_type,
)
def test_feature_value(dummy_feature: Feature):
"""Verify that property gets accessed on *value* access."""
dummy_feature.attribute_getter = "test_prop"
dummy_feature.device.test_prop = "dummy" # type: ignore[attr-defined]
assert dummy_feature.value == "dummy"
def test_feature_value_container(mocker, dummy_feature: Feature):
"""Test that container's attribute is accessed when expected."""
class DummyContainer:
@property
def test_prop(self):
return "dummy"
dummy_feature.container = DummyContainer()
dummy_feature.attribute_getter = "test_prop"
mock_dev_prop = mocker.patch.object(
dummy_feature, "test_prop", new_callable=mocker.PropertyMock, create=True
)
assert dummy_feature.value == "dummy"
mock_dev_prop.assert_not_called()
def test_feature_value_callable(dev, dummy_feature: Feature):
"""Verify that callables work as *attribute_getter*."""
dummy_feature.attribute_getter = lambda x: "dummy value"
assert dummy_feature.value == "dummy value"
async def test_feature_setter(dev, mocker, dummy_feature: Feature):
"""Verify that *set_value* calls the defined method."""
mock_set_dummy = mocker.patch.object(
dummy_feature.device, "set_dummy", create=True, new_callable=AsyncMock
)
dummy_feature.attribute_setter = "set_dummy"
await dummy_feature.set_value("dummy value")
mock_set_dummy.assert_called_with("dummy value")
async def test_feature_setter_read_only(dummy_feature):
"""Verify that read-only feature raises an exception when trying to change it."""
dummy_feature.attribute_setter = None
with pytest.raises(ValueError, match="Tried to set read-only feature"):
await dummy_feature.set_value("value for read only feature")
async def test_feature_action(mocker):
"""Test that setting value on button calls the setter."""
feat = Feature(
device=DummyDevice(), # type: ignore[arg-type]
id="dummy_feature",
name="dummy_feature",
attribute_setter="call_action",
container=None,
icon="mdi:dummy",
type=Feature.Type.Action,
)
mock_call_action = mocker.patch.object(
feat.device, "call_action", create=True, new_callable=AsyncMock
)
assert feat.value == "<Action>"
await feat.set_value(1234)
mock_call_action.assert_called()
@pytest.mark.xdist_group(name="caplog")
async def test_feature_choice_list(dummy_feature, caplog, mocker: MockerFixture):
"""Test the choice feature type."""
dummy_feature.type = Feature.Type.Choice
dummy_feature.choices_getter = lambda: ["first", "second"]
mock_setter = mocker.patch.object(
dummy_feature.device, "dummysetter", create=True, new_callable=AsyncMock
)
await dummy_feature.set_value("first")
mock_setter.assert_called_with("first")
mock_setter.reset_mock()
with pytest.raises(ValueError, match="Unexpected value for dummy_feature: invalid"): # noqa: PT012
await dummy_feature.set_value("invalid")
assert "Unexpected value" in caplog.text
mock_setter.assert_not_called()
@pytest.mark.parametrize("precision_hint", [1, 2, 3])
async def test_precision_hint(dummy_feature, precision_hint):
"""Test that precision hint works as expected."""
dummy_value = 3.141593
dummy_feature.type = Feature.Type.Sensor
dummy_feature.precision_hint = precision_hint
dummy_feature.attribute_getter = lambda x: dummy_value
assert dummy_feature.value == dummy_value
assert f"{round(dummy_value, precision_hint)} dummyunit" in repr(dummy_feature)
async def test_feature_setters(dev: Device, mocker: MockerFixture):
"""Test that all feature setters query something."""
# setters that do not call set on the device itself.
internal_setters = {"pan_step", "tilt_step"}
async def _test_feature(feat, query_mock):
if feat.attribute_setter is None:
return
expecting_call = feat.id not in internal_setters
if feat.type == Feature.Type.Number:
await feat.set_value(feat.minimum_value)
elif feat.type == Feature.Type.Switch:
await feat.set_value(True)
elif feat.type == Feature.Type.Action:
await feat.set_value("dummyvalue")
elif feat.type == Feature.Type.Choice:
await feat.set_value(feat.choices[0])
elif feat.type == Feature.Type.Unknown:
_LOGGER.warning("Feature '%s' has no type, cannot test the setter", feat)
expecting_call = False
else:
raise NotImplementedError(f"set_value not implemented for {feat.type}")
if expecting_call:
query_mock.assert_called()
async def _test_features(dev):
exceptions = []
for feat in dev.features.values():
try:
with patch.object(feat.device.protocol, "query") as query:
await _test_feature(feat, query)
# we allow our own exceptions to avoid mocking valid responses
except KasaException:
pass
except Exception as ex:
ex.add_note(f"Exception when trying to set {feat} on {dev}")
exceptions.append(ex)
return exceptions
exceptions = await _test_features(dev)
for child in dev.children:
exceptions.extend(await _test_features(child))
if exceptions:
raise ExceptionGroup(
"Got exceptions while testing attribute_setters", exceptions
)