Add tests for the second variant of Kogan Smart Switch.

This was previously handled by the same legacy class, but now a separate
config file.  Split the tests out.

tests/devices/test_kogan_switch2.py

@@ -0,0 +1,131 @@
+"""Tests for the switch entity."""
+from unittest import IsolatedAsyncioTestCase
+from unittest.mock import AsyncMock, patch
+
+from homeassistant.components.switch import DEVICE_CLASS_OUTLET
+from homeassistant.const import STATE_UNAVAILABLE
+
+from custom_components.tuya_local.generic.switch import TuyaLocalSwitch
+from custom_components.tuya_local.helpers.device_config import TuyaDeviceConfig
+
+from ..const import KOGAN_SOCKET_PAYLOAD2
+from ..helpers import assert_device_properties_set
+
+SWITCH_DPS = "1"
+TIMER_DPS = "9"
+CURRENT_DPS = "18"
+POWER_DPS = "19"
+VOLTAGE_DPS = "20"
+
+
+class TestKoganSwitch(IsolatedAsyncioTestCase):
+    def setUp(self):
+        device_patcher = patch("custom_components.tuya_local.device.TuyaLocalDevice")
+        self.addCleanup(device_patcher.stop)
+        self.mock_device = device_patcher.start()
+        cfg = TuyaDeviceConfig("kogan_switch2.yaml")
+        switch = cfg.primary_entity
+        self.switch_name = switch.name
+        self.subject = TuyaLocalSwitch(self.mock_device(), switch)
+        self.dps = KOGAN_SOCKET_PAYLOAD2.copy()
+
+        self.subject._device.get_property.side_effect = lambda id: self.dps[id]
+
+    def test_should_poll(self):
+        self.assertTrue(self.subject.should_poll)
+
+    def test_name_returns_device_name(self):
+        self.assertEqual(self.subject.name, self.subject._device.name)
+
+    def test_friendly_name_returns_config_name(self):
+        self.assertEqual(self.subject.friendly_name, self.switch_name)
+
+    def test_unique_id_returns_device_unique_id(self):
+        self.assertEqual(self.subject.unique_id, self.subject._device.unique_id)
+
+    def test_device_info_returns_device_info_from_device(self):
+        self.assertEqual(self.subject.device_info, self.subject._device.device_info)
+
+    def test_device_class_is_outlet(self):
+        self.assertEqual(self.subject.device_class, DEVICE_CLASS_OUTLET)
+
+    def test_is_on(self):
+        self.dps[SWITCH_DPS] - True
+        self.assertTrue(self.subject.is_on)
+
+        self.dps[SWITCH_DPS] = False
+        self.assertFalse(self.subject.is_on)
+
+    def test_is_on_when_unavailable(self):
+        self.dps[SWITCH_DPS] = None
+        self.assertEqual(self.subject.is_on, STATE_UNAVAILABLE)
+
+    async def test_turn_on(self):
+        async with assert_device_properties_set(
+            self.subject._device, {SWITCH_DPS: True}
+        ):
+            await self.subject.async_turn_on()
+
+    async def test_turn_off(self):
+        async with assert_device_properties_set(
+            self.subject._device, {SWITCH_DPS: False}
+        ):
+            await self.subject.async_turn_off()
+
+    async def test_toggle_turns_the_switch_on_when_it_was_off(self):
+        self.dps[SWITCH_DPS] = False
+
+        async with assert_device_properties_set(
+            self.subject._device, {SWITCH_DPS: True}
+        ):
+            await self.subject.async_toggle()
+
+    async def test_toggle_turns_the_switch_off_when_it_was_on(self):
+        self.dps[SWITCH_DPS] = True
+
+        async with assert_device_properties_set(
+            self.subject._device, {SWITCH_DPS: False}
+        ):
+            await self.subject.async_toggle()
+
+    def test_current_power_w(self):
+        self.dps[POWER_DPS] = 1234
+        self.assertEqual(self.subject.current_power_w, 123.4)
+
+    def test_device_state_attributes_set(self):
+        self.dps[TIMER_DPS] = 1
+        self.dps[VOLTAGE_DPS] = 2350
+        self.dps[CURRENT_DPS] = 1234
+        self.dps[POWER_DPS] = 5678
+        self.assertEqual(
+            self.subject.device_state_attributes,
+            {
+                "timer": 1,
+                "current_a": 1.234,
+                "voltage_v": 235.0,
+                "current_power_w": 567.8,
+            },
+        )
+
+        self.dps[TIMER_DPS] = 0
+        self.dps[CURRENT_DPS] = None
+        self.dps[VOLTAGE_DPS] = None
+        self.dps[POWER_DPS] = None
+        self.assertEqual(
+            self.subject.device_state_attributes,
+            {
+                "timer": 0,
+                "current_a": None,
+                "voltage_v": None,
+                "current_power_w": None,
+            },
+        )
+
+    async def test_update(self):
+        result = AsyncMock()
+        self.subject._device.async_refresh.return_value = result()
+
+        await self.subject.async_update()
+
+        self.subject._device.async_refresh.assert_called_once()
+        result.assert_awaited()