Expose PIR enabled setting for iot dimmers (#1174)

This adds PIR enabled feature to iot dimmers, making it possible to
enable and disable the motion detection.

kasa/tests/iot/modules/test_motion.py

@@ -0,0 +1,57 @@
+from pytest_mock import MockerFixture
+
+from kasa import Module
+from kasa.iot import IotDimmer
+from kasa.iot.modules.motion import Motion, Range
+from kasa.tests.device_fixtures import dimmer_iot
+
+
+@dimmer_iot
+def test_motion_getters(dev: IotDimmer):
+    assert Module.IotMotion in dev.modules
+    motion: Motion = dev.modules[Module.IotMotion]
+
+    assert motion.enabled == motion.config["enable"]
+    assert motion.inactivity_timeout == motion.config["cold_time"]
+    assert motion.range.value == motion.config["trigger_index"]
+
+
+@dimmer_iot
+async def test_motion_setters(dev: IotDimmer, mocker: MockerFixture):
+    motion: Motion = dev.modules[Module.IotMotion]
+    query_helper = mocker.patch("kasa.iot.IotDimmer._query_helper")
+
+    await motion.set_enabled(True)
+    query_helper.assert_called_with("smartlife.iot.PIR", "set_enable", {"enable": True})
+
+    await motion.set_inactivity_timeout(10)
+    query_helper.assert_called_with(
+        "smartlife.iot.PIR", "set_cold_time", {"cold_time": 10}
+    )
+
+
+@dimmer_iot
+async def test_motion_range(dev: IotDimmer, mocker: MockerFixture):
+    motion: Motion = dev.modules[Module.IotMotion]
+    query_helper = mocker.patch("kasa.iot.IotDimmer._query_helper")
+
+    await motion.set_range(custom_range=123)
+    query_helper.assert_called_with(
+        "smartlife.iot.PIR",
+        "set_trigger_sens",
+        {"index": Range.Custom.value, "value": 123},
+    )
+
+    await motion.set_range(range=Range.Far)
+    query_helper.assert_called_with(
+        "smartlife.iot.PIR", "set_trigger_sens", {"index": Range.Far.value}
+    )
+
+
+@dimmer_iot
+def test_motion_feature(dev: IotDimmer):
+    assert Module.IotMotion in dev.modules
+    motion: Motion = dev.modules[Module.IotMotion]
+
+    pir_enabled = dev.features["pir_enabled"]
+    assert motion.enabled == pir_enabled.value